Asteroids

529668 2010JL33 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.710

Aphelion (Q)

4.645

Eccentricity (e)

0.735

Inclination (i)

5.4

deg

Orbit period (P)

1600.2

Earth MOID

0.03122

U parameter

0.0

Next Earth close approach

Date

2045-12-12

Nominal distance (from Earth center)

0.11842

17714636

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

17.7

mag

Diameter

2790

Taxonomic type

Rotation period (T)

9.410

Discovery Information

Discovery Date

2010-05-06

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

2.677473

1-sigma variation

1.177E-8

Unit

Eccentricity (e)

Value

0.734836

1-sigma variation

1.720E-8

Unit

Inclination (i)

Value

5.3778

1-sigma variation

6.353E-6

Unit

Long. of Ascending Node (Ω)

Value

52.4560

1-sigma variation

2.760E-5

Unit

Arg. of Perihelion (ω)

Value

309.8822

1-sigma variation

2.764E-5

Unit

Mean Anomaly (M)

Value

160.75433

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.709969

1-sigma variation

Unit

Aphelion distance

Value

4.644976

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.152265

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.318346

1-sigma variation

Unit

MOID

Value

0.031220

1-sigma variation

Unit

Orbit Period

Value

1600.2431

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.38596E-16	-1.05560E-16	-5.54240E-15	-2.24421E-14	5.74131E-14	-9.55121E-14
e	-1.05560E-16	2.95984E-16	3.78734E-15	-5.14250E-15	-8.01678E-14	6.77881E-14
i	-5.54240E-15	3.78734E-15	4.03657E-11	1.69728E-10	-1.66456E-10	7.10891E-13
Ω	-2.24421E-14	-5.14250E-15	1.69728E-10	7.62032E-10	-7.49715E-10	2.27310E-12
ω	5.74131E-14	-8.01678E-14	-1.66456E-10	-7.49715E-10	7.63865E-10	-2.52978E-11
M	-9.55121E-14	6.77881E-14	7.10891E-13	2.27310E-12	-2.52978E-11	6.62067E-11

Date of computation: 2025-09-10 00:30 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

9.410

Unit

Source

[3]

Quality

Value

Unit

Source

[3]

Amplitude

Value

0.53

Unit

mag

Source

[3]

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

17.709

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.047

0.019

Unit

Source

[6]

[5]

Diameter

Value

2790

Unit

Source

[5]

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

[7]

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]	EARN	1.) Blaauw, R.C. et al. (2011) MPB 38, 131-132. (LIGHTCURVE ANALYSIS OF ASTEROIDS 890 WALTRAUT AND 2010 JL33)
[4]	ESA Aegis	ESA orbit determination and impact monitoring system
[5]	EARN	1.) Joseph R. Masiero et al 2021 Planet. Sci. J. 2 162
[6]	EARN	1.) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs) 2.) Mommert, M. et al. (2015) Astron. J. 150, 106(9pp). (ExploreNEOs VIII: Dormant Short-Period Comets in the Near-Earth Asteroid Population) (23 NEOs) 3.) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012.
[7]	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

9721

Unit

Source

[1]

Unobserved

Value

620

Unit

Source

[1]

Normalized RMS of residuals

Value

0.360249

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1997-06-04.39551

Unit

Source

[2]

Last Observation

Value

2024-01-15.088477

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

758 (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

2010-12-11

Unit

Source

[3]

Last Observation

Value

2010-12-12

Unit

Source

[3]

Delay (Discarded)

Value

3 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

4 (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 529668 2010JL33 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
16 Psyche	1953-02-10 15:00	< 1 min	0.0131025	0.0131005	0.0000007
EARTH	1962-07-30 11:57	< 1 min	0.1987249	0.1987198	0.0000017
EARTH	1975-12-05 18:49	< 1 min	0.0312912	0.0312897	0.0000005
EARTH	2010-12-09 03:32	< 1 s	0.0426901	0.0426901	0.0000000
VENUS	2045-11-01 18:51	< 1 min	0.0286056	0.0286050	0.0000002
EARTH	2045-12-12 20:52	< 1 min	0.1184150	0.1184111	0.0000013
EARTH	2054-07-10 17:35	< 1 min	0.1009557	0.1009546	0.0000004
EARTH	2076-07-26 06:25	< 1 min	0.1564942	0.1564847	0.0000032
EARTH	2124-11-28 10:28	< 1 min	0.1237613	0.1237573	0.0000013

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
30.41076931	330.12508584	0.03132076	MINIMUM
327.37400514	186.44607149	0.07958366	MINIMUM
358.03344525	256.48430949	0.30011244	SADDLE
358.68118162	78.14220871	1.70535955	SADDLE
179.75544567	79.93614532	3.65143124	SADDLE
179.85733020	259.97484964	5.64568845	MAXIMUM

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MOID Plots

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