Asteroids

2015RS183 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.905

Aphelion (Q)

5.213

Eccentricity (e)

0.704

Inclination (i)

1.6

deg

Orbit period (P)

1954.1

Earth MOID

0.00828

U parameter

9.0

Next Earth close approach

Date

2076-04-10

Nominal distance (from Earth center)

0.0991

14825014

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

16.2

mag

Diameter

1500 - 3000*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2015-09-09

Observatory

Pan-STARRS 1, Haleakala

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

3.058854

1-sigma variation

0.481405

Unit

Eccentricity (e)

Value

0.704178

1-sigma variation

0.541890

Unit

Inclination (i)

Value

1.5784

1-sigma variation

2.0905

Unit

Long. of Ascending Node (Ω)

Value

177.3571

1-sigma variation

2.3200

Unit

Arg. of Perihelion (ω)

Value

338.0016

1-sigma variation

13.5323

Unit

Mean Anomaly (M)

Value

255.72932

1-sigma variation

116.47600

Unit

Perihelion distance

Value

0.904876

1-sigma variation

Unit

Aphelion distance

Value

5.212833

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.061919

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

3.433662

1-sigma variation

Unit

MOID

Value

0.008275

1-sigma variation

Unit

Orbit Period

Value

1954.0542

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.31751E-1	2.60853E-1	1.00632E0	-1.11678E0	6.51261E0	-5.60722E1
e	2.60853E-1	2.93645E-1	1.13284E0	-1.25718E0	7.33237E0	-6.31130E1
i	1.00632E0	1.13284E0	4.37037E0	-4.85007E0	2.82878E1	-2.43477E2
Ω	-1.11678E0	-1.25718E0	-4.85007E0	5.38244E0	-3.13926E1	2.70204E2
ω	6.51261E0	7.33237E0	2.82878E1	-3.13926E1	1.83123E2	-1.57571E3
M	-5.60722E1	-6.31130E1	-2.43477E2	2.70204E2	-1.57571E3	1.35667E4

Date of computation: 2026-03-17 23:26 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

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

16.229

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

1500 - 3000*

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

3854

Unit

Source

[1]

Normalized RMS of residuals

Value

0.573708

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2015-09-09.41882

Unit

Source

[2]

Last Observation

Value

2015-09-20.41446

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

12 (0)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

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

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2015RS183 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
JUPITER	1998-02-24 14:36	> 1 mo	0.2854464	0.1288764	2.6009399
JUPITER	2057-05-15 21:58	> 1 mo	0.2427002	0.1757489	0.3670497
EARTH	2076-04-10 13:53	> 1 mo	0.0990991	0.0579860	35.4462781
EARTH	2092-02-21 09:58	> 1 mo	0.0949606	0.0343930	1.8396595
JUPITER	2104-06-14 18:12	> 1 mo	0.6740269	0.1747520	34.8007301
JUPITER	2116-11-15 23:57	> 1 mo	0.2284058	0.0688138	8.3555763

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
17.12068916	92.76363545	0.00840005	MINIMUM
344.58713783	17.76679118	0.02296510	MINIMUM
0.73112523	54.91048194	0.08580638	SADDLE
0.90991940	235.31717409	1.91614860	SADDLE
180.15366574	234.26414991	4.20243395	SADDLE
180.15657595	54.26223788	6.20383879	MAXIMUM

Download:

MOID Plots

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