Asteroids

2062 Aten help

Last update: 2025-04-06 00:05 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.790

Aphelion (Q)

1.144

Eccentricity (e)

0.183

Inclination (i)

18.9

deg

Orbit period (P)

347.3

Earth MOID

0.11310

U parameter

0.0

A₂

-14.1

10^-15au/days²

Next Earth close approach

Date

2032-12-31

Nominal distance (from Earth center)

0.19056

28507873

Maximum Brightness

15.2

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

17.1

mag

Diameter

1300

Taxonomic type

Rotation period (T)

40.77

Discovery Information

Discovery Date

1976-01-07

Observatory

Palomar Mountain

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

0.966966

1-sigma variation

1.902E-9

Unit

Eccentricity (e)

Value

0.182884

1-sigma variation

4.677E-9

Unit

Inclination (i)

Value

18.9353

1-sigma variation

6.432E-6

Unit

Long. of Ascending Node (Ω)

Value

108.5286

1-sigma variation

6.134E-6

Unit

Arg. of Perihelion (ω)

Value

148.0659

1-sigma variation

5.381E-6

Unit

Mean Anomaly (M)

Value

185.33860

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.790123

1-sigma variation

Unit

Aphelion distance

Value

1.143808

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.122631

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.207168

1-sigma variation

Unit

MOID

Value

0.113098

1-sigma variation

Unit

Orbit Period

Value

347.3082

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

A₂

Value

-14.08691

1-sigma variation

1.68846

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	3.61924E-18	4.99620E-18	-3.07944E-15	-4.42701E-15	7.31600E-15	-2.09372E-14	3.09084E-9
e	4.99620E-18	2.18710E-17	-1.28837E-14	-2.05059E-14	2.33055E-14	-2.81023E-14	3.69695E-9
i	-3.07944E-15	-1.28837E-14	4.13677E-11	-1.14186E-11	-6.77492E-12	3.16516E-11	-2.25095E-6
Ω	-4.42701E-15	-2.05059E-14	-1.14186E-11	3.76240E-11	-2.78470E-11	1.43228E-11	-3.22028E-6
ω	7.31600E-15	2.33055E-14	-6.77492E-12	-2.78470E-11	2.89583E-11	-3.87642E-11	5.56543E-6
M	-2.09372E-14	-2.81023E-14	3.16516E-11	1.43228E-11	-3.87642E-11	1.28648E-10	-1.74400E-5
A₂	3.09084E-9	3.69695E-9	-2.25095E-6	-3.22028E-6	5.56543E-6	-1.74400E-5	2.85091E0

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

40.77

Unit

Source

[5]

Quality

Value

Unit

Source

[5]

Amplitude

Value

0.26

Unit

mag

Source

[5]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[1]

[2]

Taxonomy (all)

Value

S,Sr

Unit

Source

[3]

[4]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

17.087

17.12

Unit

mag

Source

[6]

[7]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[6]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.2

Unit

Source

[9]

Diameter

Value

1300

Unit

Source

[8]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.93

0.46

Unit

B-V

U-B

Source

[10]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Visual S

Unit

Source

[11]

[2]

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Sources

No.	Name	Additional
[1]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[2]	EARN	1.) Binzel, R.P. et al. (2004) Icarus 170, 259-294. (Observed spectral properties of near-Earth objects: results for population distribution, source regions, and space weathering processes.)
[3]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[4]	EARN	1.) Gradie, J.C. (1976) B.A.A.S. 8, 458. (Physical observations of object 1976 AA) 2.) Bus, S.J. & Binzel, R.P. (2002) Icarus 158,106-145. (Phase II of the Small Main-Belt Asteroid Spectrographic Survey: A Feature-Based Taxonomy.) 3.) Binzel, R.P. et al. (2004) Icarus 170, 259-294. (Observed spectral properties of near-Earth objects: results for population distribution, source regions, and space weathering processes.)
[5]	EARN	1.) Mottola, S. et al. (1995) Icarus 117, 62-70. (The near-earth objects follow-up program: First results.)(1981, 2062,4953,5633,5797,5836,1993BX3,1994AW1,1994JF1,1994LC1) 2.) Harris, A.W. (DLR) (1998) Icarus 131, 291-301. (A Thermal Model for Near-Earth Asteroids)
[6]	ESA Aegis	ESA orbit determination and impact monitoring system
[7]	EARN	1.) Mottola, S. et al. (1995) Icarus 117, 62-70. (The near-earth objects follow-up program: First results.)(1981, 2062,4953,5633,5797,5836,1993BX3,1994AW1,1994JF1,1994LC1)
[8]	EARN	1.) Harris(DLR), A.W. et al. (2011) Astron. J. 141, 75. (ExploreNEOs. II. THE ACCURACY OF THE WARM SPITZER NEAR-EARTH OBJECT SURVEY) 2.) Veeder, G.J. et al. (1989) Astron. J. 97, 1211-1219. (Radiometry of near-earth asteroids) 3.) Nugent, C.R. et al. (2015) Astrophys. J. 814_117 (13pp) (NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos)(201 NEOs) 4.) Nugent, C.R. et al. (2016) Astron. J. 152_63 (12pp) (NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos) (207 NEOs)
[9]	EARN	1.) Thomas, C.A. et al. (2011) Astron. J. 142, 85. (ExploreNEOs. V. AVERAGE ALBEDO BY TAXONOMIC COMPLEX IN THE NEAR-EARTH ASTEROID POPULATION) (new albedos data for 118 NEOs) 2.) Harris(DLR), A.W. et al. (2011) Astron. J. 141, 75. (ExploreNEOs. II. THE ACCURACY OF THE WARM SPITZER NEAR-EARTH OBJECT SURVEY) 3.) Veeder, G.J. et al. (1989) Astron. J. 97, 1211-1219. (Radiometry of near-earth asteroids) 4.) Cruikshank, D.P. & T.J. Jones (1977) Icarus 31, 427-429. (The diameter and albedo of Asteroid 1976 AA) 5.) Nugent, C.R. et al. (2015) Astrophys. J. 814_117 (13pp) (NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos)(201 NEOs) 6.) Nugent, C.R. et al. (2016) Astron. J. 152_63 (12pp) (NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos) (207 NEOs)
[10]	EARN	1.) Tedesco, E.F. (1989) in "Asteroids II" (Eds. R.P.Binzel et al.), Univ.Ariz.Press, Tucson, USA, pp. 1090-1138.
[11]	EARN	1.) Benner, L.A.M. et al. (1996) B.A.A.S. 28, 1105. 10.41. (Radar Observations of Near-Earth Asteroids 2062 Aten, 2101 Adonis, 3103 Eger, 4544 Xanthus, and 1992 QN) 2.) Benner, L.A.M. et al. (1997) Icarus 130, 296-312. (Radar Detection of Near-Earth Asteroids 2062 Aten, 2101 Adonis, 3103 Eger, 4544 Xanthus, and 1992 QN)

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

23339

Unit

Source

[1]

Unobserved

Value

1974

Unit

Source

[1]

Normalized RMS of residuals

Value

0.490337

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1955-12-17.19653

Unit

Source

[2]

Last Observation

Value

2019-11-10.54248

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

1054 (2)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

1995-01-16

Unit

Source

[3]

Last Observation

Value

2015-01-16

Unit

Source

[3]

Delay (Discarded)

Value

5 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

2 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

7 (0)

Unit

Source

[1]

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
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 2062 Aten from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1957-01-12 17:22	4.7	0.1206972	0.1206623	0.0000116
EARTH	1976-01-13 01:24	2.5	0.1228265	0.1228069	0.0000066
EARTH	1995-01-12 01:43	< 1 min	0.1268414	0.1268358	0.0000019
EARTH	2014-01-08 09:55	< 1 s	0.1462807	0.1462806	0.0000000
EARTH	2015-01-23 19:07	< 1 s	0.1864356	0.1864354	0.0000000
EARTH	2032-12-31 20:55	1.1	0.1905634	0.1905519	0.0000038
EARTH	2034-01-20 21:56	< 1 min	0.1331922	0.1331818	0.0000034
EARTH	2053-01-14 06:32	3.1	0.1179899	0.1179729	0.0000057
EARTH	2072-01-02 19:15	8.4	0.1842107	0.1841256	0.0000283
EARTH	2073-01-21 04:47	3.0	0.1388169	0.1387367	0.0000268
EARTH	2092-01-13 03:45	8.2	0.1256570	0.1255948	0.0000208
EARTH	2111-01-02 17:53	10.6	0.1892451	0.1891396	0.0000353
EARTH	2112-01-22 16:12	4.0	0.1346159	0.1345253	0.0000302

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
227.35961971	13.77485456	0.11309815	MINIMUM
37.25245373	198.22322543	0.19949427	MINIMUM
123.69866997	287.85500841	0.34052495	SADDLE
319.13289837	105.47374914	0.34229177	SADDLE
354.16228419	328.26424974	1.76779252	SADDLE
187.41461722	162.01307070	2.15243810	MAXIMUM

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MOID Plots

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