Asteroids

2013ND15 help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.281

Aphelion (Q)

1.167

Eccentricity (e)

0.612

Inclination (i)

4.8

deg

Orbit period (P)

224.9

Earth MOID

0.00762

U parameter

7.7

Next Earth close approach

Date

2026-08-13

Nominal distance (from Earth center)

0.13451

20122090

Maximum Brightness

23.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

40 - 100*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2013-07-13

Observatory

Pan-STARRS 1, Haleakala

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.723737

1-sigma variation

0.000075

Unit

Eccentricity (e)

Value

0.611842

1-sigma variation

0.000494

Unit

Inclination (i)

Value

4.8003

1-sigma variation

0.0089

Unit

Long. of Ascending Node (Ω)

Value

95.8002

1-sigma variation

0.0167

Unit

Arg. of Perihelion (ω)

Value

19.7789

1-sigma variation

0.0120

Unit

Mean Anomaly (M)

Value

163.89361

1-sigma variation

1.80953

Unit

Perihelion distance

Value

0.280924

1-sigma variation

Unit

Aphelion distance

Value

1.166549

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.696303

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.050350

1-sigma variation

Unit

MOID

Value

0.007625

1-sigma variation

Unit

Orbit Period

Value

224.8895

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.65100E-9	-3.71636E-8	-6.68206E-7	-1.25234E-6	9.04935E-7	-1.36028E-4
e	-3.71636E-8	2.44413E-7	4.39440E-6	8.23520E-6	-5.95106E-6	8.94589E-4
i	-6.68206E-7	4.39440E-6	7.90139E-5	1.48093E-4	-1.07011E-4	1.60847E-2
Ω	-1.25234E-6	8.23520E-6	1.48093E-4	2.77632E-4	-2.00592E-4	3.01453E-2
ω	9.04935E-7	-5.95106E-6	-1.07011E-4	-2.00592E-4	1.44945E-4	-2.17831E-2
M	-1.36028E-4	8.94589E-4	1.60847E-2	3.01453E-2	-2.17831E-2	3.27441E0

Date of computation: 2026-06-04 23:11 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

23.966

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

40 - 100*

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

Unit

Source

[1]

Unobserved

Value

4684

Unit

Source

[1]

Normalized RMS of residuals

Value

0.66343

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2013-07-13.46821

Unit

Source

[2]

Last Observation

Value

2013-08-08.310722

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (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

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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2013ND15 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
MERCURY	1951-09-24 13:39	> 1 w	0.0461860	0.0338083	0.0135967
EARTH	1954-08-10 02:38	> 1 d	0.0797291	0.0600848	0.0119187
MERCURY	1957-04-02 00:18	> 1 d	0.0290393	0.0264240	0.0260158
EARTH	1957-06-29 08:58	> 1 d	0.1026192	0.0582195	0.0149788
EARTH	1962-08-11 20:29	> 1 d	0.0650902	0.0595539	0.0117780
MERCURY	1964-01-25 04:39	> 1 d	0.0222550	0.0072009	0.0573668
EARTH	1965-07-02 16:48	> 1 d	0.1202295	0.0707144	0.0167689
MERCURY	1969-08-05 19:34	> 1 w	0.0203594	0.0078117	0.0518041
EARTH	1970-08-12 20:09	1177.3	0.0595050	0.0594978	0.0004730
EARTH	1973-07-05 23:28	> 1 d	0.1328121	0.0946292	0.0129292
MERCURY	1975-02-11 22:09	> 1 w	0.0481706	0.0328756	0.0186055
EARTH	1976-06-24 00:57	> 1 d	0.1891799	0.0855739	0.0345797
EARTH	1978-08-13 08:57	408.1	0.0650133	0.0596156	0.0125096
MERCURY	1980-08-19 09:13	> 1 w	0.0471801	0.0352876	0.0209949
EARTH	1981-07-09 12:05	> 1 d	0.1424501	0.1182616	0.0082064
EARTH	1984-06-23 04:40	1180.8	0.1582122	0.0697691	0.0295366
MERCURY	1986-02-25 19:42	> 1 d	0.0263350	0.0261723	0.0071243
EARTH	1986-08-13 12:32	127.4	0.0807989	0.0598733	0.0185992
EARTH	1989-07-13 01:46	> 1 d	0.1489512	0.1369343	0.0041160
EARTH	1992-06-22 11:56	859.6	0.1276049	0.0514709	0.0254605
MERCURY	1992-12-20 05:39	> 1 d	0.0325891	0.0073927	0.0419137
EARTH	1994-08-13 08:44	399.5	0.1025736	0.0612368	0.0192910
EARTH	1997-07-16 10:13	> 1 d	0.1521736	0.1488489	0.0011724
MERCURY	1998-07-02 16:57	> 1 d	0.0086870	0.0067936	0.0180119
EARTH	2000-06-22 00:07	434.2	0.1013164	0.0539122	0.0158516
EARTH	2002-08-13 01:10	376.7	0.1237542	0.0872939	0.0131182
MERCURY	2004-01-11 13:17	> 1 d	0.0363142	0.0131882	0.0143306
EARTH	2005-07-19 07:15	> 1 d	0.1527686	0.1517282	0.0003692
EARTH	2008-06-21 17:45	152.8	0.0804614	0.0607655	0.0065765
MERCURY	2009-07-21 09:45	> 1 d	0.0497527	0.0456473	0.0016806
EARTH	2010-08-12 18:27	126.2	0.1399703	0.1269630	0.0043925
EARTH	2013-07-20 22:26	< 1 min	0.1525392	0.1520461	0.0001644
EARTH	2016-06-21 16:56	46.3	0.0724973	0.0581781	0.0047814
EARTH	2018-08-12 18:19	238.7	0.1437876	0.1258091	0.0060833
EARTH	2021-07-20 20:25	> 1 d	0.1528454	0.1516528	0.0004217
EARTH	2024-06-21 19:51	246.5	0.0789894	0.0350626	0.0147484
EARTH	2026-08-13 02:09	483.8	0.1345079	0.0943386	0.0141993
EARTH	2029-07-19 04:29	> 1 d	0.1534467	0.1531973	0.0001414
EARTH	2032-06-22 04:13	491.8	0.0974805	0.0365670	0.0204378
EARTH	2034-08-13 13:52	467.6	0.1160008	0.0720703	0.0169517
MERCURY	2037-04-05 10:34	> 1 w	0.0424452	0.0183090	0.0187032
EARTH	2037-07-16 10:58	> 1 d	0.1528276	0.1474055	0.0018669
EARTH	2040-06-22 18:18	639.8	0.1229199	0.0622707	0.0202685
EARTH	2042-08-13 23:51	237.1	0.0950720	0.0635089	0.0136854
MERCURY	2042-10-23 14:01	> 1 d	0.0262712	0.0082680	0.0256810
EARTH	2045-07-13 14:19	> 1 d	0.1498397	0.1409727	0.0029844
MERCURY	2048-05-09 20:39	> 1 d	0.0121376	0.0066868	0.0173030
EARTH	2048-06-23 10:15	493.4	0.1470189	0.1071672	0.0132956
EARTH	2050-08-14 04:52	5.1	0.0800609	0.0664902	0.0053463
EARTH	2053-07-11 15:36	801.9	0.1463533	0.1420965	0.0014196
MERCURY	2053-11-24 02:07	683.1	0.0066276	0.0065572	0.0008220
EARTH	2056-06-23 20:58	68.0	0.1596384	0.1544366	0.0017346
EARTH	2058-08-14 06:42	11.5	0.0745130	0.0728701	0.0005641
MERCURY	2059-06-09 11:29	228.9	0.0065961	0.0065535	0.0001681
EARTH	2061-07-11 03:49	639.4	0.1452218	0.1441520	0.0003589
EARTH	2064-06-23 23:42	232.8	0.1598674	0.1423010	0.0058556
MERCURY	2064-12-21 16:07	> 1 d	0.0131647	0.0070349	0.0088298
EARTH	2066-08-14 08:02	22.1	0.0769846	0.0648900	0.0050372
EARTH	2069-07-12 12:08	> 1 d	0.1472577	0.1425307	0.0015885
MERCURY	2070-07-03 11:30	> 1 d	0.0349348	0.0121226	0.0120224
EARTH	2072-06-23 14:20	393.2	0.1417453	0.1096929	0.0106869
EARTH	2074-08-14 07:34	148.0	0.0918137	0.0692639	0.0089361
EARTH	2077-07-15 18:40	> 1 d	0.1512368	0.1484031	0.0009649
EARTH	2080-06-22 23:46	332.4	0.1104920	0.0775198	0.0109979
MERCURY	2081-07-16 05:17	> 1 d	0.0381548	0.0269152	0.0134899
EARTH	2082-08-13 23:04	275.2	0.1183941	0.0908491	0.0097729
EARTH	2085-07-19 22:06	> 1 d	0.1529497	0.1519921	0.0003366
MERCURY	2087-01-24 12:15	1006.5	0.0437947	0.0256546	0.0172025
EARTH	2088-06-22 12:14	147.2	0.0753726	0.0539748	0.0071407
EARTH	2090-08-13 07:33	208.5	0.1498373	0.1322738	0.0059396
EARTH	2093-07-24 00:28	632.3	0.1506432	0.1489420	0.0005700
MERCURY	2093-11-17 15:16	546.4	0.0086321	0.0064686	0.0027604
EARTH	2096-06-22 08:45	29.1	0.0461581	0.0455747	0.0001949
EARTH	2098-08-12 19:10	58.7	0.1732148	0.1697173	0.0011671
MERCURY	2099-05-31 04:33	737.1	0.0219597	0.0106263	0.0040165
EARTH	2101-07-27 04:12	860.9	0.1482383	0.1464296	0.0006078
EARTH	2104-06-23 10:38	50.3	0.0348242	0.0145558	0.0069217
MERCURY	2104-12-11 10:32	> 1 d	0.0374775	0.0157786	0.0080406
EARTH	2106-08-13 17:17	264.3	0.1798755	0.1605364	0.0064949
EARTH	2109-07-27 03:40	> 1 d	0.1488316	0.1456930	0.0010619
MERCURY	2110-06-27 05:28	> 1 d	0.0355610	0.0121950	0.0091556
EARTH	2112-06-23 12:15	8.8	0.0433003	0.0207818	0.0075962
EARTH	2114-08-14 05:01	198.5	0.1674909	0.1508427	0.0055931
MERCURY	2116-01-12 18:00	> 1 d	0.0238409	0.0074720	0.0079004
EARTH	2117-07-25 04:04	922.6	0.1515497	0.1510674	0.0001648
EARTH	2120-06-23 16:47	14.2	0.0640125	0.0557808	0.0027472
MERCURY	2121-07-29 21:04	292.7	0.0101730	0.0062028	0.0018972
EARTH	2122-08-14 20:41	33.9	0.1477168	0.1475779	0.0000464
EARTH	2125-07-22 23:00	388.6	0.1531794	0.1517018	0.0004938

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
131.80427306	169.34871796	0.00741884	MINIMUM
228.23893470	219.58155536	0.05990403	MINIMUM
181.45078816	195.14238076	0.15223399	SADDLE
1.51983565	16.31891026	0.70339288	SADDLE
1.43009279	196.11580912	1.29838721	SADDLE
180.19410595	14.51100700	2.15040803	MAXIMUM

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MOID Plots

Click on the images to zoom-in and zoom-out