Asteroids

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Last update: 2025-04-04 02:16 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Amor

Perihelion (q)

1.237

Aphelion (Q)

4.046

Eccentricity (e)

0.532

Inclination (i)

11.0

deg

Orbit period (P)

1568.2

Earth MOID

0.24485

U parameter

0.0

Next Earth close approach

Date

Nominal distance (from Earth center)

Maximum Brightness

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

1700 - 4000*

Taxonomic type

Scomp

Rotation period (T)

129.5

Discovery Information

Discovery Date

1963-10-16

Observatory

Goethe Link Observatory, Brooklyn

ORBIT VISUALISATION TOOLS

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.641602

1-sigma variation

5.358E-9

Unit

Eccentricity (e)

Value

0.531732

1-sigma variation

1.905E-8

Unit

Inclination (i)

Value

11.0224

1-sigma variation

3.113E-6

Unit

Long. of Ascending Node (Ω)

Value

200.6902

1-sigma variation

1.376E-5

Unit

Arg. of Perihelion (ω)

Value

192.4522

1-sigma variation

1.440E-5

Unit

Mean Anomaly (M)

Value

97.24767

1-sigma variation

2.239E-6

Unit

Perihelion distance

Value

1.236977

1-sigma variation

Unit

Aphelion distance

Value

4.046227

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

2.938905

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.249848

1-sigma variation

Unit

MOID

Value

0.244847

1-sigma variation

Unit

Orbit Period

Value

1568.1929

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.87128E-17	-1.36487E-17	1.55650E-15	-1.05744E-14	-4.47565E-15	-3.60362E-15
e	-1.36487E-17	3.62984E-16	-8.48918E-15	2.63943E-14	-4.53752E-14	2.70393E-14
i	1.55650E-15	-8.48918E-15	9.69384E-12	-1.75609E-11	1.85207E-11	-1.49279E-12
Ω	-1.05744E-14	2.63943E-14	-1.75609E-11	1.89352E-10	-1.87712E-10	5.35443E-12
ω	-4.47565E-15	-4.53752E-14	1.85207E-11	-1.87712E-10	2.07399E-10	-1.00511E-11
M	-3.60362E-15	2.70393E-14	-1.49279E-12	5.35443E-12	-1.00511E-11	5.01268E-12

Date of computation: 2025-03-28 15:40 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

129.5

Unit

Source

[1]

Quality

Value

Unit

Source

[-]

Amplitude

Value

0.45

Unit

mag

Source

[1]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

322

Unit

Source

[1]

Spinvector B

Value

Unit

Source

[1]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Scomp

Unit

Source

[2]

[3]

Taxonomy (all)

Value

Unit

Source

[4]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

15.991

Unit

mag

Source

[5]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[5]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[6]

Diameter

Value

1700 - 4000*

Unit

Source

[6]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Near-Earth Asteroid Lightcurve Analysis at the Center for Solar System Studies: 2019 July-September, B.D. Warner
[2]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[3]	EARN	1.) Alexey V. Sergeyev and Benoit Carry A&A, 652 (2021) A59
[4]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[5]	ESA Aegis	ESA orbit determination and impact monitoring system
[6]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

22443

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.447244

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1963-10-16.18

Unit

Source

[2]

Last Observation

Value

2025-03-27.340492

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

1491 (10)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
357.15501470	286.35501621	0.24484739	MINIMUM
359.15870566	109.90738433	2.24208605	SADDLE
179.89018815	110.40957343	3.04176658	SADDLE
179.52642248	290.21399332	5.03971572	MAXIMUM

Download:

MOID Plots

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