Asteroids

525231 2004VB help

Last update: 2025-09-16 13:01 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.862

Aphelion (Q)

2.055

Eccentricity (e)

0.409

Inclination (i)

10.9

deg

Orbit period (P)

643.5

Earth MOID

0.04344

U parameter

0.0

Next Earth close approach

Date

2041-11-27

Nominal distance (from Earth center)

0.04705

7038952

Maximum Brightness

16.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

20.8

mag

Diameter

180 - 400*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2004-11-01

Observatory

Lowell Observatory-LONEOS

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

1.458635

1-sigma variation

1.352E-9

Unit

Eccentricity (e)

Value

0.409094

1-sigma variation

2.518E-8

Unit

Inclination (i)

Value

10.8586

1-sigma variation

6.164E-6

Unit

Long. of Ascending Node (Ω)

Value

52.3387

1-sigma variation

8.298E-6

Unit

Arg. of Perihelion (ω)

Value

71.6265

1-sigma variation

9.543E-6

Unit

Mean Anomaly (M)

Value

301.74921

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.861916

1-sigma variation

Unit

Aphelion distance

Value

2.055355

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.086565

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.382121

1-sigma variation

Unit

MOID

Value

0.043439

1-sigma variation

Unit

Orbit Period

Value

643.4554

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.82738E-18	2.61828E-17	-2.03682E-16	-1.46729E-16	5.36161E-15	-9.53112E-15
e	2.61828E-17	6.33918E-16	-6.69544E-15	-6.49052E-15	1.16888E-13	-1.42056E-13
i	-2.03682E-16	-6.69544E-15	3.79964E-11	-1.25274E-11	9.39162E-12	1.62009E-12
Ω	-1.46729E-16	-6.49052E-15	-1.25274E-11	6.88599E-11	-6.53510E-11	-1.17506E-12
ω	5.36161E-15	1.16888E-13	9.39162E-12	-6.53510E-11	9.10723E-11	-2.98533E-11
M	-9.53112E-15	-1.42056E-13	1.62009E-12	-1.17506E-12	-2.98533E-11	5.09904E-11

Date of computation: 2025-09-16 13:01 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

[1]

Taxonomy (all)

Value

Unit

Source

[2]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

20.801

Unit

mag

Source

[3]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[3]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[4]

Diameter

Value

180 - 400*

Unit

Source

[4]

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

[5]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Alexey V. Sergeyev and Benoit Carry A&A, 652 (2021) A59
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	ESA Aegis	ESA orbit determination and impact monitoring system
[4]	Estimation	Estimated from absolute magnitude
[5]	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

7624

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.502754

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2004-11-01.35966

Unit

Source

[2]

Last Observation

Value

2025-09-16.408936

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

461 (4)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2004-11-16

Unit

Source

[3]

Last Observation

Value

2004-11-17

Unit

Source

[3]

Delay (Discarded)

Value

1 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

2 (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 525231 2004VB 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
MARS	1954-04-28 07:17	< 1 s	0.0454793	0.0454785	0.0000003
EARTH	1960-11-21 01:32	< 1 min	0.0731947	0.0731935	0.0000004
EARTH	1968-01-03 12:34	< 1 min	0.1866709	0.1866703	0.0000002
EARTH	1975-03-31 06:56	< 1 min	0.1394839	0.1394837	0.0000001
EARTH	2004-11-28 15:20	< 1 s	0.0579819	0.0579818	0.0000000
EARTH	2019-04-08 23:19	< 1 s	0.1915057	0.1915055	0.0000001
EARTH	2041-11-27 04:59	< 1 min	0.0470525	0.0470521	0.0000001
EARTH	2056-04-09 06:00	< 1 min	0.1996133	0.1996110	0.0000008
MARS	2065-04-17 18:31	< 1 min	0.0472581	0.0472567	0.0000005
EARTH	2078-12-03 08:29	< 1 min	0.0895137	0.0895079	0.0000019
EARTH	2086-03-27 08:30	< 1 min	0.1564975	0.1564942	0.0000011
EARTH	2108-11-20 20:11	< 1 min	0.1079892	0.1079840	0.0000017
EARTH	2116-01-09 07:14	< 1 min	0.1930362	0.1930345	0.0000006
EARTH	2123-04-05 12:31	< 1 min	0.1363809	0.1363807	0.0000001

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
318.75232340	322.72603559	0.04343950	MINIMUM
46.70530016	89.60493755	0.13587828	MINIMUM
7.31939877	33.18169509	0.21085291	SADDLE
181.68433781	203.65201720	1.07072781	SADDLE
1.75806800	204.60564849	1.87097602	SADDLE
179.95959293	22.50350206	3.02943744	MAXIMUM

Download:

MOID Plots

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