Asteroids

2026RS help

Last update: 2026-09-22 13:00 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.806

Aphelion (Q)

1.331

Eccentricity (e)

0.246

Inclination (i)

0.9

deg

Orbit period (P)

403.4

Earth MOID

0.00343

U parameter

7.2

Next Earth close approach

Date

2028-03-23

Nominal distance (from Earth center)

0.00371

554776

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.7

mag

Diameter

19 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-09-03

Observatory

Pan-STARRS 2, 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

61400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.068385

1-sigma variation

0.000214

Unit

Eccentricity (e)

Value

0.246035

1-sigma variation

0.000430

Unit

Inclination (i)

Value

0.8719

1-sigma variation

0.0018

Unit

Long. of Ascending Node (Ω)

Value

349.9579

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

104.6895

1-sigma variation

0.0044

Unit

Mean Anomaly (M)

Value

15.75620

1-sigma variation

0.01769

Unit

Perihelion distance

Value

0.805525

1-sigma variation

Unit

Aphelion distance

Value

1.331245

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.065885

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.048352

1-sigma variation

Unit

MOID

Value

0.003425

1-sigma variation

Unit

Orbit Period

Value

403.3576

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.57040E-8	9.19228E-8	3.82839E-7	4.14402E-9	9.26756E-7	3.78280E-6
e	9.19228E-8	1.84888E-7	7.70041E-7	8.25649E-9	1.86504E-6	7.60795E-6
i	3.82839E-7	7.70041E-7	3.20739E-6	3.37747E-8	7.77127E-6	3.16846E-5
Ω	4.14402E-9	8.25649E-9	3.37747E-8	1.21497E-8	6.02000E-8	3.46660E-7
ω	9.26756E-7	1.86504E-6	7.77127E-6	6.02000E-8	1.89780E-5	7.66600E-5
M	3.78280E-6	7.60795E-6	3.16846E-5	3.46660E-7	7.66600E-5	3.13106E-4

Date of computation: 2026-09-22 13:00 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

25.7

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

19 - 40*

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

[-]

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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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.555997

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-09-03.442465

Unit

Source

[2]

Last Observation

Value

2026-09-22.199856

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

40 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2026RS 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
EARTH	1952-10-05 01:31	> 1 mo	0.0739985	0.0029312	0.2488406
EARTH	1954-03-26 19:04	> 1 w	0.0584202	0.0032953	0.3436604
EARTH	1962-09-20 01:44	> 1 w	0.1602383	0.0035673	0.3546650
EARTH	1964-02-06 22:42	> 1 mo	0.1435931	0.0169181	0.1561862
EARTH	1964-04-10 16:09	> 1 mo	0.1694278	0.0027560	0.2759108
EARTH	1973-11-30 13:46	> 1 mo	0.1657435	0.0300925	0.0452452
EARTH	1983-09-27 00:30	> 1 d	0.0306954	0.0040123	0.0265239
EARTH	1985-03-18 10:25	> 1 d	0.0644528	0.0040155	0.0332691
EARTH	1994-10-24 05:41	> 1 w	0.1156858	0.0002141	0.0385360
EARTH	1996-03-28 09:20	> 1 d	0.0842908	0.0035224	0.0492705
EARTH	2006-01-01 11:46	> 1 w	0.1777684	0.1774743	0.0000993
EARTH	2015-09-25 20:46	> 1 d	0.0527713	0.0039317	0.0192636
EARTH	2017-03-09 09:35	> 1 d	0.0973649	0.0430628	0.0181461
EARTH	2026-09-30 10:17	< 1 min	0.0285975	0.0284339	0.0000545
EARTH	2028-03-23 12:31	117.6	0.0037085	0.0033467	0.0004345
EARTH	2036-11-30 06:06	> 1 mo	0.1601048	0.0046055	0.0573272
EARTH	2047-02-13 16:16	> 1 mo	0.1320714	0.0102155	0.2177230
EARTH	2055-10-06 19:57	> 1 mo	0.0555296	0.0040277	0.3942461
EARTH	2057-03-30 17:55	> 1 w	0.1307765	0.0035047	0.3111687
EARTH	2066-01-15 11:42	> 1 mo	0.1658537	0.0290318	0.0502241
EARTH	2074-10-02 15:43	> 1 mo	0.0132579	0.0041757	0.7053487
EARTH	2076-03-29 05:50	> 1 d	0.1367127	0.0032436	1.5905903
EARTH	2083-09-28 16:27	> 1 mo	0.0560833	0.0041993	14.4244077
EARTH	2085-03-25 22:10	> 1 mo	0.0599561	0.0032847	13.2095707
EARTH	2092-09-24 02:24	> 1 mo	0.1364148	0.0042449	10.0891301
EARTH	2094-03-21 13:18	> 1 mo	0.0147776	0.0032859	13.9169410
EARTH	2102-12-10 23:00	> 1 mo	0.1679646	0.0148547	34.7327819
EARTH	2111-09-25 05:16	> 1 mo	0.1207903	0.0039872	488.9199598
EARTH	2113-03-19 15:08	> 1 mo	0.0474817	0.0034391	500.3661217
EARTH	2121-10-25 13:43	> 1 mo	0.1104119	0.0025229	274.5336450
EARTH	2123-04-02 16:57	> 1 mo	0.1800511	0.0036149	482.0723971

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
73.98837142	78.96352079	0.00342510	MINIMUM
284.79056879	263.15471630	0.00406385	MINIMUM
359.23969393	350.89088012	0.17844428	SADDLE
179.54357422	171.23208451	0.31690906	SADDLE
359.28407463	170.95230538	1.82027333	SADDLE
179.60472163	351.28350139	2.31465721	MAXIMUM

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MOID Plots

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