Asteroids

275677 2000RS11 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.870

Aphelion (Q)

1.691

Eccentricity (e)

0.321

Inclination (i)

17.1

deg

Orbit period (P)

529.0

Earth MOID

0.00955

U parameter

0.0

Next Earth close approach

Date

2027-03-26

Nominal distance (from Earth center)

0.19578

29287815

Maximum Brightness

18.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

19.1

mag

Diameter

698 | 578 | 758

Taxonomic type

Rotation period (T)

4.444

Discovery Information

Discovery Date

2000-09-02

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.280145

1-sigma variation

2.294E-9

Unit

Eccentricity (e)

Value

0.320570

1-sigma variation

2.306E-8

Unit

Inclination (i)

Value

17.1001

1-sigma variation

4.384E-6

Unit

Long. of Ascending Node (Ω)

Value

172.1548

1-sigma variation

4.139E-6

Unit

Arg. of Perihelion (ω)

Value

301.6976

1-sigma variation

7.882E-6

Unit

Mean Anomaly (M)

Value

58.36475

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.869769

1-sigma variation

Unit

Aphelion distance

Value

1.690521

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.011894

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.374981

1-sigma variation

Unit

MOID

Value

0.009552

1-sigma variation

Unit

Orbit Period

Value

529.0385

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.26448E-18	2.62255E-17	-9.84991E-17	-2.10584E-15	6.88130E-16	-1.97080E-14
e	2.62255E-17	5.31970E-16	-1.90614E-14	-5.78102E-14	2.72384E-14	-1.17102E-13
i	-9.84991E-17	-1.90614E-14	1.92189E-11	1.14824E-11	-1.24573E-11	3.08021E-12
Ω	-2.10584E-15	-5.78102E-14	1.14824E-11	1.71353E-11	-2.65381E-11	1.87337E-11
ω	6.88130E-16	2.72384E-14	-1.24573E-11	-2.65381E-11	6.21204E-11	-2.83687E-11
M	-1.97080E-14	-1.17102E-13	3.08021E-12	1.87337E-11	-2.83687E-11	8.52357E-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

4.444

Unit

Source

[4]

Quality

Value

Unit

Source

[4]

Amplitude

Value

1.31

Unit

mag

Source

[4]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

155

Unit

Source

[1]

Spinvector B

Value

Unit

Source

[1]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[2]

Taxonomy (all)

Value

Unit

Source

[3]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

19.141

Unit

mag

Source

[5]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[5]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.35

Unit

Source

[6]

Diameter

Value

698 | 578 | 758

Unit

Source

[1]

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

Visual S

Unit

Source

[7]

[3]

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Sources

No.	Name	Additional
[1]	EARN	1.) Brauer, K. et al. (2015) DPS47-204.03. (astract) (The Shape of Near-Earth Asteroid 275677 (2000 RS11) From Inversion of Arecibo and Goldstone Radar Images)
[2]	EARN	1.) Lazzarin, M. et al. (2004) Icarus 169, 373-384. (Visible and near-infrared spectroscopic investigation of near-Earth objects at ESO: first results)
[3]	EARN	1.) Lazzarin, M. et al. (2004) Icarus 169, 373-384. (Visible and near-infrared spectroscopic investigation of near-Earth objects at ESO: first results) 2.) Lazzarin, M., Marchi,S. & Magrin, S. (2010) href="http://www.astro.unipd.it/planets/sineo/data.html"> SINEO Database (Spectroscopic Investiation of Near-Earth Objects)
[4]	EARN	1.) Warner, B.D. et al. (2014) MPB 41, 157-168. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2014 JANUARY-MARCH) (1943,4055,4954,25916,35107,40267,53435, 68031,85990,86039,138127,143409,243566,275677,277570,294739, 357622,377097,1995CR,2006DP14,2009CT,2009QF31,2011BT15, 2012AU10,2013XV8,2013YZ13,2013PD21,2013XF22,2013YZ37, 2013WT44,2014CR,2014EM,2014BR8,2014CG13,2014CU13,2014EY24, 2014AY28,2014EL45,2014BR57,2014DX110) 2.) Benishek, V. (2014) MPB 41, 257-260. (ROTATION PERIODS AND LIGHTCURVES FOR SIX NEAR-EARTH ASTEROIDS) (154275,275677, 387733,2011JR13,2013SU24,2013WT44)
[5]	ESA Aegis	ESA orbit determination and impact monitoring system
[6]	EARN	1.) Thomas, C.A. et al. (2011) Astron. J. 142, 85. (ExploreNEOs. V. AVERAGE ALBEDO BY TAXONOMIC COMPLEX IN THE NEAR-EARTH ASTEROID POPULATION) (new albedos data for 118 NEOs)
[7]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage 2.) Brauer, K. et al. (2015) DPS47-204.03. (astract) (The Shape of Near-Earth Asteroid 275677 (2000 RS11) From Inversion of Arecibo and Goldstone Radar Images)

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

8328

Unit

Source

[1]

Unobserved

Value

852

Unit

Source

[1]

Normalized RMS of residuals

Value

0.545933

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2000-09-02.34714

Unit

Source

[2]

Last Observation

Value

2023-06-22.377903

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

402 (5)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2014-03-12

Unit

Source

[3]

Last Observation

Value

2014-03-17

Unit

Source

[3]

Delay (Discarded)

Value

10 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

11 (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 275677 2000RS11 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	1958-08-07 04:19	< 1 s	0.0389031	0.0389027	0.0000001
EARTH	1969-03-20 22:32	< 1 min	0.1104127	0.1104112	0.0000005
EARTH	1985-03-03 04:10	< 1 min	0.1177548	0.1177535	0.0000004
MARS	2009-05-19 06:46	< 1 s	0.0452321	0.0452318	0.0000001
EARTH	2014-03-11 09:23	< 1 s	0.0352485	0.0352485	0.0000000
EARTH	2027-03-26 16:53	< 1 min	0.1957770	0.1957763	0.0000002
EARTH	2056-03-14 22:41	< 1 min	0.0201642	0.0201626	0.0000005
EARTH	2072-02-29 17:32	< 1 min	0.1359287	0.1359156	0.0000043
MARS	2078-12-21 19:34	< 1 min	0.0318789	0.0318709	0.0000027
EARTH	2101-03-20 10:43	1.0	0.0793046	0.0792700	0.0000115
EARTH	2117-03-10 17:14	< 1 min	0.0543886	0.0543793	0.0000031

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
44.46220732	70.04113986	0.00896407	MINIMUM
293.11586870	285.93621604	0.22243612	MINIMUM
339.20297120	343.37155337	0.29236559	SADDLE
171.61514681	186.69817628	0.75582176	SADDLE
357.07001221	188.45040108	1.87015646	SADDLE
183.02404044	15.14711205	2.65527900	MAXIMUM

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MOID Plots

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