Asteroids

267337 2001VK5 help

Last update: 2025-05-21 08:47 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.617

Aphelion (Q)

1.921

Eccentricity (e)

0.514

Inclination (i)

19.4

deg

Orbit period (P)

522.2

Earth MOID

0.00089

U parameter

0.0

A₂

-41.9

10^-15au/days²

Next Earth close approach

Date

2051-11-10

Nominal distance (from Earth center)

0.1427

21348133

Maximum Brightness

16.6

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

440

Taxonomic type

Rotation period (T)

39.05

Discovery Information

Discovery Date

2001-11-11

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

1.269022

1-sigma variation

4.475E-9

Unit

Eccentricity (e)

Value

0.514119

1-sigma variation

2.632E-8

Unit

Inclination (i)

Value

19.4306

1-sigma variation

3.115E-6

Unit

Long. of Ascending Node (Ω)

Value

54.2097

1-sigma variation

7.064E-6

Unit

Arg. of Perihelion (ω)

Value

263.9303

1-sigma variation

7.059E-6

Unit

Mean Anomaly (M)

Value

202.60688

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.616594

1-sigma variation

Unit

Aphelion distance

Value

1.921450

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.001723

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.125217

1-sigma variation

Unit

MOID

Value

0.000893

1-sigma variation

Unit

Orbit Period

Value

522.1581

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

A₂

Value

-41.88898

1-sigma variation

8.75760

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	2.00261E-17	1.02173E-17	2.15931E-15	1.70043E-14	-7.22452E-15	-3.08144E-14	3.71223E-8
e	1.02173E-17	6.92645E-16	1.15522E-14	1.62902E-14	6.87828E-15	1.18484E-14	1.32223E-8
i	2.15931E-15	1.15522E-14	9.70401E-12	-5.46379E-12	7.80025E-12	-6.35194E-12	3.41942E-6
Ω	1.70043E-14	1.62902E-14	-5.46379E-12	4.98942E-11	-4.26842E-11	-1.73373E-11	3.01221E-5
ω	-7.22452E-15	6.87828E-15	7.80025E-12	-4.26842E-11	4.98306E-11	-6.13978E-12	-1.40524E-5
M	-3.08144E-14	1.18484E-14	-6.35194E-12	-1.73373E-11	-6.13978E-12	6.69146E-11	-4.96958E-5
A₂	3.71223E-8	1.32223E-8	3.41942E-6	3.01221E-5	-1.40524E-5	-4.96958E-5	7.66956E1

Date of computation: 2025-05-21 08:47 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

39.05

Unit

Source

[1]

Quality

Value

Unit

Source

[1]

Amplitude

Value

0.92

Unit

mag

Source

[1]

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

18.03

Unit

mag

Source

[2]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.58

Unit

Source

[3]

Diameter

Value

440

Unit

Source

[3]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[4]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Warner, B.D. (2014) MPB 41, 213-224. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2014 MARCH-JUNE) (38 NEA lightcurve data)
[2]	ESA Aegis	ESA orbit determination and impact monitoring system
[3]	EARN	1.) Nugent, C.R. et al. (2015) Astrophys. J. 814_117 (13pp) (NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos)(201 NEOs)
[4]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

8540

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.592818

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2001-11-11.43821

Unit

Source

[2]

Last Observation

Value

2025-03-30.132869

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

1348 (9)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2014-05-21

Unit

Source

[3]

Last Observation

Value

2014-05-21

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

1 (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 267337 2001VK5 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	1954-05-06 17:45	< 1 min	0.0784923	0.0784855	0.0000023
EARTH	1964-05-07 04:31	< 1 min	0.0846760	0.0846696	0.0000021
EARTH	1974-05-08 05:47	< 1 min	0.0893170	0.0893122	0.0000016
EARTH	1984-05-09 02:14	< 1 min	0.1028259	0.1028224	0.0000012
EARTH	1994-05-13 04:00	< 1 min	0.1441017	0.1440998	0.0000006
EARTH	2051-11-10 21:49	< 1 min	0.1427035	0.1426973	0.0000020
EARTH	2061-11-12 20:53	< 1 min	0.0903554	0.0903458	0.0000032
EARTH	2071-11-13 22:01	< 1 min	0.0787517	0.0787405	0.0000037
EARTH	2081-11-12 12:10	< 1 min	0.0997003	0.0996914	0.0000030
EARTH	2091-11-11 16:58	< 1 min	0.1285391	0.1285339	0.0000018
EARTH	2101-11-10 12:18	< 1 min	0.1634736	0.1634710	0.0000009

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
64.52690794	312.78257434	0.00089295	MINIMUM
297.20882881	121.38940921	0.07008311	MINIMUM
0.69447403	217.83681943	0.47716109	SADDLE
180.68580190	35.65334707	1.04285836	SADDLE
359.34458526	35.22915249	1.58174157	SADDLE
179.06248109	214.67892107	2.89717497	MAXIMUM

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MOID Plots

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