Asteroids

2002MN help

Last update: 2025-07-29 02:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.909

Aphelion (Q)

2.724

Eccentricity (e)

0.500

Inclination (i)

1.0

deg

Orbit period (P)

893.9

Earth MOID

0.00043

U parameter

0.0

Next Earth close approach

Date

2029-02-26

Nominal distance (from Earth center)

0.17959

26865980

Maximum Brightness

22.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.6

mag

Diameter

50 - 110*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2002-06-17

Observatory

Lincoln Laboratory ETS, New Mexico

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

1.816098

1-sigma variation

5.168E-9

Unit

Eccentricity (e)

Value

0.499668

1-sigma variation

0.000001

Unit

Inclination (i)

Value

1.0472

1-sigma variation

1.473E-5

Unit

Long. of Ascending Node (Ω)

Value

85.2887

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

131.6125

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

143.49789

1-sigma variation

0.00002

Unit

Perihelion distance

Value

0.908652

1-sigma variation

Unit

Aphelion distance

Value

2.723545

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.059854

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.006407

1-sigma variation

Unit

MOID

Value

0.000431

1-sigma variation

Unit

Orbit Period

Value

893.9382

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.67090E-17	-4.84472E-15	2.92808E-14	-4.61399E-13	1.09013E-12	-2.77971E-14
e	-4.84472E-15	1.40647E-12	-8.05712E-12	1.70949E-10	-3.01021E-10	-9.52550E-12
i	2.92808E-14	-8.05712E-12	2.17045E-10	-2.41931E-10	8.37231E-10	1.04091E-10
Ω	-4.61399E-13	1.70949E-10	-2.41931E-10	2.90274E-8	-4.31334E-8	-1.73723E-9
ω	1.09013E-12	-3.01021E-10	8.37231E-10	-4.31334E-8	7.28421E-8	1.41165E-9
M	-2.77971E-14	-9.52550E-12	1.04091E-10	-1.73723E-9	1.41165E-9	4.72528E-10

Date of computation: 2025-07-29 02:36 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

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

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

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

23.574

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

50 - 110*

Unit

Source

[2]

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]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

8051

Unit

Source

[1]

Unobserved

Value

415

Unit

Source

[1]

Normalized RMS of residuals

Value

0.574778

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2002-06-17.37897

Unit

Source

[2]

Last Observation

Value

2024-07-02.05394

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

99 (3)

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

Close Approaches for 2002MN 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	1961-03-29 10:27	432.1	0.0479926	0.0452728	0.0009066
EARTH	1979-03-02 00:03	93.6	0.1814106	0.1781021	0.0011028
EARTH	2002-06-14 02:02	< 1 min	0.0008021	0.0008018	0.0000001
MARS	2014-10-31 14:21	< 1 min	0.0314999	0.0314988	0.0000004
EARTH	2024-06-22 22:00	< 1 min	0.0672985	0.0672954	0.0000011
EARTH	2029-02-26 22:14	< 1 min	0.1795880	0.1795722	0.0000052
EARTH	2051-03-12 19:38	< 1 min	0.0320525	0.0320456	0.0000023
EARTH	2068-06-30 13:04	1.1	0.1548404	0.1547963	0.0000147
EARTH	2073-03-03 03:04	1.5	0.1373948	0.1373666	0.0000094
MARS	2088-03-07 10:57	< 1 min	0.0432209	0.0431879	0.0000110
EARTH	2090-06-26 00:24	1.4	0.0895760	0.0895339	0.0000141
EARTH	2095-02-27 06:15	< 1 min	0.1993809	0.1993736	0.0000025
EARTH	2112-06-20 23:48	2.6	0.0286956	0.0286591	0.0000122
EARTH	2117-02-28 13:08	1.9	0.1920775	0.1920312	0.0000154

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
28.07986066	161.18647374	0.00043131	MINIMUM
334.85182521	71.54623503	0.01820218	MINIMUM
1.44493700	116.24527431	0.09906355	SADDLE
180.52527440	295.28603195	1.73072041	SADDLE
1.57748437	296.49008870	1.90142387	SADDLE
180.54676210	115.30273934	3.73024196	MAXIMUM

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MOID Plots

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