Asteroids

2012VC26 help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.764

Aphelion (Q)

1.135

Eccentricity (e)

0.195

Inclination (i)

1.5

deg

Orbit period (P)

337.8

Earth MOID

0.00293

U parameter

7.5

Next Earth close approach

Date

2036-07-09

Nominal distance (from Earth center)

0.04937

7384906

Maximum Brightness

24.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.7

mag

Diameter

5 - 11*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2012-11-06

Observatory

Mt. Lemmon Survey

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.949210

1-sigma variation

0.000229

Unit

Eccentricity (e)

Value

0.195308

1-sigma variation

0.000110

Unit

Inclination (i)

Value

1.4810

1-sigma variation

0.0034

Unit

Long. of Ascending Node (Ω)

Value

42.6578

1-sigma variation

0.0495

Unit

Arg. of Perihelion (ω)

Value

120.0062

1-sigma variation

0.0918

Unit

Mean Anomaly (M)

Value

280.23423

1-sigma variation

0.30706

Unit

Perihelion distance

Value

0.763822

1-sigma variation

Unit

Aphelion distance

Value

1.134598

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.020488

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.178062

1-sigma variation

Unit

MOID

Value

0.002926

1-sigma variation

Unit

Orbit Period

Value

337.7861

1-sigma variation

Unit

U parameter

Value

7.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.23982E-8	2.50713E-8	7.73353E-7	1.13366E-5	-2.10120E-5	7.02888E-5
e	2.50713E-8	1.21066E-8	3.70831E-7	5.42873E-6	-1.00568E-5	3.36382E-5
i	7.73353E-7	3.70831E-7	1.14202E-5	1.67352E-4	-3.10142E-4	1.03745E-3
Ω	1.13366E-5	5.42873E-6	1.67352E-4	2.45292E-3	-4.54618E-3	1.52076E-2
ω	-2.10120E-5	-1.00568E-5	-3.10142E-4	-4.54618E-3	8.42602E-3	-2.81864E-2
M	7.02888E-5	3.36382E-5	1.03745E-3	1.52076E-2	-2.81864E-2	9.42883E-2

Date of computation: 2025-11-24 16:53 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

28.732

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

5 - 11*

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

[-]

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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

4778

Unit

Source

[1]

Normalized RMS of residuals

Value

0.508756

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2012-11-06.39285

Unit

Source

[2]

Last Observation

Value

2012-11-10.864058

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (0)

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 2012VC26 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	1959-05-02 17:40	> 1 mo	0.1988693	0.1244853	0.0271266
EARTH	1959-09-17 06:26	> 1 mo	0.1214256	0.1095991	0.0046257
EARTH	1960-01-14 06:37	> 1 mo	0.1869194	0.0945427	0.0308122
EARTH	1969-07-11 10:47	432.9	0.0275749	0.0270238	0.0003596
EARTH	1970-11-11 09:08	1079.8	0.0880074	0.0388452	0.0164029
EARTH	1980-10-09 02:57	> 1 w	0.1037606	0.0490511	0.0188477
EARTH	1990-08-02 10:02	> 1 w	0.0901993	0.0346610	0.0208193
EARTH	1991-11-07 20:52	> 1 d	0.1926962	0.0935935	0.0330385
EARTH	2000-07-12 07:53	504.0	0.0968975	0.0866123	0.0034420
EARTH	2001-11-11 09:33	234.3	0.0167050	0.0088958	0.0026359
EARTH	2011-07-10 12:54	6.7	0.0549945	0.0541586	0.0002796
EARTH	2012-11-11 22:14	< 1 min	0.0059400	0.0059227	0.0000058
EARTH	2024-07-13 14:59	> 1 d	0.0707968	0.0594959	0.0038041
EARTH	2025-11-11 14:57	29.9	0.0339303	0.0219915	0.0039883
EARTH	2036-07-09 23:50	> 1 d	0.0493650	0.0229164	0.0133421
EARTH	2037-11-09 21:38	393.4	0.0752296	0.0287432	0.0155213
EARTH	2047-07-10 03:03	451.1	0.1176292	0.0790857	0.0129819
EARTH	2048-10-29 08:25	> 1 d	0.0675699	0.0281608	0.0132353
EARTH	2059-05-15 08:54	> 1 w	0.1674435	0.1317166	0.0121364
EARTH	2059-08-25 12:22	> 1 w	0.1177527	0.1053571	0.0042060
EARTH	2070-07-07 09:00	457.2	0.0232790	0.0232495	0.0009531
EARTH	2071-11-11 00:56	> 1 d	0.0344667	0.0041947	0.0450191
EARTH	2081-07-09 00:52	> 1 d	0.0864597	0.0501829	0.0124384
EARTH	2082-11-08 07:10	> 1 d	0.0352291	0.0053235	0.0183617
EARTH	2093-05-26 10:35	> 1 w	0.1502161	0.1336592	0.0055888
EARTH	2093-08-15 07:15	> 1 d	0.1107747	0.1030655	0.0025728
EARTH	2094-11-06 13:55	> 1 d	0.1801189	0.1456013	0.0115064
EARTH	2104-07-10 06:03	> 1 d	0.1349238	0.0537619	0.0277974
EARTH	2105-10-14 17:10	> 1 w	0.0966431	0.0540670	0.0143131
EARTH	2116-07-08 02:37	> 1 d	0.0904166	0.0795936	0.0036337
EARTH	2117-10-22 03:28	> 1 d	0.0877641	0.0832595	0.0015102

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
257.13704041	308.52552411	0.00292576	MINIMUM
111.23351197	182.77415984	0.02320275	MINIMUM
183.29064983	244.86204747	0.12822401	SADDLE
5.57273667	66.96820037	0.23013178	SADDLE
6.01610111	247.48765581	1.77193732	SADDLE
184.01138791	65.44605025	2.12745152	MAXIMUM

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MOID Plots

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