4197 Morpheus

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Export map as:

Research this topic

Explore the main themes, entities and connections around 4197 Morpheus. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Physical characteristics

SMASS taxonomic scheme S-type Q-type asteroids Tom Gehrels NEOWISE

19 related topics

Orbit and classification

AU Eccentricity Inclination Ecliptic Mars-crosser

10 related topics

Naming

Minor planet Greek mythology Metamorphoses Ovid Minor Planet Center

6 related topics

Overview

Asteroid Near-Earth object Apollo group Eleanor Helin Eugene Shoemaker

7 related topics

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Absolute magnitude (H): 14.6 · 14.8 · 14.88
Alternative designations: 1982 TA
Aphelion: 4.0690 AU
Argument of perihelion: 122.40°
Discovered by: E. F. Helin E. Shoemaker
Discovery date: 11 October 1982

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

Orbit and classification

AU Astronomical unit
Eccentricity Orbital eccentricity
Inclination Orbital inclination
Ecliptic
Mars-crosser
Venus-crosser
Minimum orbit intersection distance
Lunar distances Lunar distance (astronomy)
Precovery
Observation arc

Physical characteristics

SMASS taxonomic scheme SMASS classification
S-type S-type asteroid
Q-type asteroids Q-type asteroid
Tom Gehrels
NEOWISE
Wide-field Infrared Survey Explorer
Albedo Astronomical albedo
Petr Pravec
Absolute magnitude
Lightcurve
Ondřejov Observatory
Rotation period
Magnitude Magnitude (astronomy)
U=3 LCDB quality code
Goldstone Observatory
Radar
Doppler imaging Dopplergraph
Adrián Galád
Modra Observatory

Naming

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Nodes47

Edges46

Triples55

Avg. degree1.96

Density0.042553

Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

4197 Morpheus

Top relations

related to External links · 30

4197 Morpheus → Archived, Asteroid Lightcurve Database, CdR, Close, December, Dictionary, Discovery, Dynamic SiteEphemerides, Ephemeris, ESA, Genève, Google, JPL Small-Body DatabaseClose, LCDB, Minor Planet Names, MOID, Morpheus, Near Earth Objects, NeoDyS-2, Observation

Absolute magnitude (H) · 1

4197 Morpheus → 14.6 · 14.8 · 14.88

Alternative designations · 1

4197 Morpheus → 1982 TA

Aphelion · 1

4197 Morpheus → 4.0690 AU

Argument of perihelion · 1

4197 Morpheus → 122.40°

Discovered by · 1

4197 Morpheus → E. F. Helin E. Shoemaker

Discovery date · 1

4197 Morpheus → 11 October 1982

Discovery site · 1

4197 Morpheus → Palomar Obs.

Earliest precovery date · 1

4197 Morpheus → 3 September 1954

Earth MOID · 1

4197 Morpheus → 0.0987 AU · 38.5 LD

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

morpheus diameter asteroid orbit rotation kilometers observatory albedo au discovery 1982 magnitude lightcurve helin shoemaker palomar mythology minor planet period

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
4197 Morpheus	Absolute magnitude (H)	14.6 · 14.8 · 14.88	1.00	infobox
4197 Morpheus	Alternative designations	1982 TA	1.00	infobox
4197 Morpheus	Aphelion	4.0690 AU	1.00	infobox
4197 Morpheus	Argument of perihelion	122.40°	1.00	infobox
4197 Morpheus	Discovered by	E. F. Helin E. Shoemaker	1.00	infobox
4197 Morpheus	Discovery date	11 October 1982	1.00	infobox
4197 Morpheus	Discovery site	Palomar Obs.	1.00	infobox
4197 Morpheus	Earliest precovery date	3 September 1954	1.00	infobox
4197 Morpheus	Earth MOID	0.0987 AU · 38.5 LD	1.00	infobox
4197 Morpheus	Eccentricity	0.7716	1.00	infobox
4197 Morpheus	Geometric albedo	0.2389 0.276±0.077 0.44	1.00	infobox
4197 Morpheus	Inclination	12.577°	1.00	infobox
4197 Morpheus	Longitude of ascending node	7.1844°	1.00	infobox
4197 Morpheus	Mean anomaly	339.88°	1.00	infobox
4197 Morpheus	Mean diameter	1.8 km (dated) 2.20 km (dated) 2.98 km (taken) 2.981 km 3.043±0.156 km	1.00	infobox
4197 Morpheus	Mean motion	0° 16m 59.16s / day	1.00	infobox
4197 Morpheus	Minor planet category	Apollo · NEO Mars-crosser Venus-crosser	1.00	infobox
4197 Morpheus	Named after	Morpheus (mythology and movie)	1.00	infobox
4197 Morpheus	Observation arc	61.98 yr (22,639 days)	1.00	infobox
4197 Morpheus	Orbital period (sidereal)	3.48 yr (1,271 days)	1.00	infobox
4197 Morpheus	Perihelion	0.5246 AU	1.00	infobox
4197 Morpheus	Pronunciation	/ˈmɔːrfiːəs/	1.00	infobox
4197 Morpheus	Semi-major axis	2.2968 AU	1.00	infobox
4197 Morpheus	Spectral type	SMASS = Sq · S	1.00	infobox
4197 Morpheus	Synodic rotation period	3.5372 h 3.5380 h 3.5387 h 3.540±0.001 h 3.560 h	1.00	infobox

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

Connections between topic areas Semantic bridges

Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

Min side: 3