Asteroids

154244 2002KL6 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.037

Aphelion (Q)

3.572

Eccentricity (e)

0.550

Inclination (i)

3.2

deg

Orbit period (P)

1278.1

Earth MOID

0.06133

U parameter

0.0

Next Earth close approach

Date

2030-08-02

Nominal distance (from Earth center)

0.06244

9341023

Maximum Brightness

13.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

17.5

mag

Diameter

800 - 1900*

Taxonomic type

Rotation period (T)

4.605

Discovery Information

Discovery Date

2002-05-27

Observatory

Haleakala-AMOS

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

2.304895

1-sigma variation

3.002E-10

Unit

Eccentricity (e)

Value

0.549923

1-sigma variation

2.646E-9

Unit

Inclination (i)

Value

3.2492

1-sigma variation

2.131E-7

Unit

Long. of Ascending Node (Ω)

Value

212.8674

1-sigma variation

9.135E-6

Unit

Arg. of Perihelion (ω)

Value

98.4364

1-sigma variation

7.883E-6

Unit

Mean Anomaly (M)

Value

236.33493

1-sigma variation

4.225E-7

Unit

Perihelion distance

Value

1.037381

1-sigma variation

Unit

Aphelion distance

Value

3.572410

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.741340

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.494078

1-sigma variation

Unit

MOID

Value

0.061331

1-sigma variation

Unit

Orbit Period

Value

1278.1307

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.01185E-20	-3.76865E-19	-3.02569E-17	1.71384E-15	-1.59815E-15	-5.82631E-17
e	-3.76865E-19	7.00262E-18	5.37569E-16	-7.10037E-15	7.64082E-15	-1.85819E-17
i	-3.02569E-17	5.37569E-16	4.54242E-14	-9.05920E-13	8.52486E-13	2.03165E-14
Ω	1.71384E-15	-7.10037E-15	-9.05920E-13	8.34537E-11	-7.13309E-11	-3.32018E-12
ω	-1.59815E-15	7.64082E-15	8.52486E-13	-7.13309E-11	6.21441E-11	2.61957E-12
M	-5.82631E-17	-1.85819E-17	2.03165E-14	-3.32018E-12	2.61957E-12	1.78480E-13

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

4.605

4.609

Unit

Source

[1]

[7]

Quality

Value

3,B

Unit

Source

[7]

Amplitude

Value

0.65-1.0

1.07

Unit

mag

Source

[7]

[1]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

296

Unit

Source

[1]

Spinvector B

Value

Unit

Source

[1]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Sq/Q

Unit

Source

[2]

[3]

[4]

Taxonomy (all)

Value

Q,Sq

Unit

Source

[5]

[6]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

17.52

Unit

mag

Source

[8]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[8]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[9]

Diameter

Value

800 - 1900*

Unit

Source

[9]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.46

0.3879

0.6513

-0.242

0.4085

0.0206

0.2634

Unit

V-R

g-r

g-i

i-z

g-z

r-z

r-i

Source

[10]

[3]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Satellites

Satellites

Value

Unit

Source

Satellites

Value

Binary Child 1

Unit

Source

[5]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Lowell Observatory Near-Earth Asteroid Photometric Survey (NEAPS): Paper 4. Skiff, Brian A et al.
[2]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[3]	EARN	1.) A. V. Sergeyev, B. Carry et al A&A, 658 (2022) A109
[4]	EARN	1.) DeMeo, F.E. et al. (2014) Icarus 227, 112-122. (Mars encounters cause fresh surfaces on some near-Earth asteroids) (contains taxonomic classification of 249 NEAs)
[5]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[6]	EARN	1.) Thomas, C.A. et al. (2014) Icarus 228, 217-246. (Physical characterization of Warm Spitzer-observed near-Earth objects) 2.) DeMeo, F.E. et al. (2014) Icarus 227, 112-122. (Mars encounters cause fresh surfaces on some near-Earth asteroids) (contains taxonomic classification of 249 NEAs)
[7]	EARN	1.) Warner, B.D. et al. (2016) MPB 43, 343-344. (LIGHTCURVE ANALYSIS OF NEA (154244) 2002 KL6: A POTENTIAL NEW BINARY ASTEROID) 2.) Galad, A. et al. (2010) MPB 37, 9-15. (AN ENSEMBLE OF LIGHTCURVES FROM MODRA) (..,154244,) 3.) Koehn, B.W. et al. (2014) MPB 41, 286-300. (LOWELL OBSERVATORY NEAR-EARTH ASTEROID PHOTOMETRIC SURVEY (NEAPS) - 2009 JANUARY THROUGH 2009 JUNE) (433,1943,3554,5011,5604, 5620,5693,8566,14402,16834,22753,35107,52768,68350,85867, 138883,141052,143651,154244,161989,162385,163758,175706, 194386,203217,207945,208023,212546,256412,2001FE90,2004LV3, 2005BC,2005SG19,2008QT3,2008WL60,2009DE47,2009DO111,2009EP2, 2009FD,2009JM2) 4.) Warner, B.D. (2017) MPB 44, 22-36. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2016 JULY-SEPTEMBER) (46 NEAs)
[8]	ESA Aegis	ESA orbit determination and impact monitoring system
[9]	Estimation	Estimated from absolute magnitude
[10]	EARN	1.) Erasmus, N.; Mommert, M.; Trilling, D.E.; Sicafoose, A.A.; et al. (2017) Astron. J. 154, A162.

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

10705

Unit

Source

[1]

Unobserved

Value

291

Unit

Source

[1]

Normalized RMS of residuals

Value

0.374299

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1995-09-28.38611

Unit

Source

[2]

Last Observation

Value

2025-01-18.420509

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

3927 (12)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2016-07-08

Unit

Source

[3]

Last Observation

Value

2023-08-09

Unit

Source

[3]

Delay (Discarded)

Value

13 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

13 (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 154244 2002KL6 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	2009-06-28 11:34	< 1 s	0.1478106	0.1478106	0.0000000
MARS	2013-04-16 20:55	< 1 s	0.0285796	0.0285796	0.0000000
MARS	2016-04-21 08:55	< 1 s	0.0293905	0.0293905	0.0000000
EARTH	2016-07-22 00:16	< 1 s	0.0683752	0.0683752	0.0000000
EARTH	2023-08-05 06:10	< 1 s	0.0636054	0.0636054	0.0000000
EARTH	2030-08-02 05:51	< 1 s	0.0624409	0.0624409	0.0000000
EARTH	2037-07-31 09:10	< 1 s	0.0627972	0.0627972	0.0000000
EARTH	2044-08-21 20:01	< 1 min	0.0770148	0.0770147	0.0000000
EARTH	2051-09-11 17:45	< 1 min	0.1836928	0.1836924	0.0000001

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
1.30870262	211.99170499	0.06233638	MINIMUM
359.34250641	28.27684302	2.02338163	SADDLE
179.79570396	28.84158043	2.58882824	SADDLE
179.81373769	208.84767192	4.58534143	MAXIMUM

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MOID Plots

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