Asteroids

2026RN15 help

Last update: 2026-09-20 13:00 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.914

Aphelion (Q)

1.588

Eccentricity (e)

0.269

Inclination (i)

1.2

deg

Orbit period (P)

511.2

Earth MOID

0.00976

U parameter

7.9

Next Earth close approach

Date

2033-09-24

Nominal distance (from Earth center)

0.04142

6195734

Maximum Brightness

21.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-09-11

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

1.251152

1-sigma variation

0.000821

Unit

Eccentricity (e)

Value

0.269232

1-sigma variation

0.000580

Unit

Inclination (i)

Value

1.1910

1-sigma variation

0.0027

Unit

Long. of Ascending Node (Ω)

Value

137.8557

1-sigma variation

0.0192

Unit

Arg. of Perihelion (ω)

Value

283.1395

1-sigma variation

0.0250

Unit

Mean Anomaly (M)

Value

29.66561

1-sigma variation

0.01403

Unit

Perihelion distance

Value

0.914302

1-sigma variation

Unit

Aphelion distance

Value

1.588002

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.107298

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.224286

1-sigma variation

Unit

MOID

Value

0.009759

1-sigma variation

Unit

Orbit Period

Value

511.1678

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.73990E-7	4.75922E-7	2.25217E-6	1.52850E-5	-1.98348E-5	-1.15061E-5
e	4.75922E-7	3.36127E-7	1.58913E-6	1.07553E-5	-1.39523E-5	-8.13043E-6
i	2.25217E-6	1.58913E-6	7.54727E-6	5.17610E-5	-6.72429E-5	-3.83474E-5
Ω	1.52850E-5	1.07553E-5	5.17610E-5	3.68483E-4	-4.80558E-4	-2.57721E-4
ω	-1.98348E-5	-1.39523E-5	-6.72429E-5	-4.80558E-4	6.27063E-4	3.34047E-4
M	-1.15061E-5	-8.13043E-6	-3.83474E-5	-2.57721E-4	3.34047E-4	1.96914E-4

Date of computation: 2026-09-20 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

26.104

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

16 - 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

0.478394

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-09-10.350083

Unit

Source

[2]

Last Observation

Value

2026-09-20.487845

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

16 (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 2026RN15 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	1982-01-19 18:50	> 1 mo	0.1023900	0.0101191	0.7641279
EARTH	1989-01-11 00:28	> 1 w	0.0185607	0.0110513	0.1428413
MARS	1993-09-18 07:00	> 1 w	0.0271545	0.0269060	0.0130347
EARTH	1996-01-25 01:40	> 1 w	0.1735125	0.0093136	0.1612384
EARTH	2019-09-14 08:48	> 1 d	0.1707837	0.0460669	0.0419910
EARTH	2026-09-27 21:14	< 1 min	0.0213872	0.0212555	0.0000439
EARTH	2033-09-24 13:10	> 1 d	0.0414159	0.0155739	0.0385293
EARTH	2040-09-13 06:10	1109.4	0.1788334	0.1309218	0.0159884
MARS	2059-07-19 16:15	> 1 w	0.0421648	0.0282477	0.0789044
EARTH	2073-01-18 20:35	> 1 w	0.0685235	0.0084229	0.2040248
EARTH	2080-01-11 18:42	> 1 d	0.0094900	0.0092018	0.0057891
EARTH	2087-01-23 22:24	> 1 mo	0.1280934	0.0078801	1.3164102
EARTH	2117-09-20 08:53	> 1 mo	0.1210469	0.0180916	3.5007373
EARTH	2124-10-03 12:45	> 1 mo	0.0191475	0.0188048	0.4103006

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
37.63500318	6.31175412	0.00975860	MINIMUM
317.80249554	265.02842126	0.01574680	MINIMUM
357.31555814	315.19754609	0.07576406	SADDLE
178.54691739	136.54350806	0.57784554	SADDLE
357.47084897	135.41525120	1.92482138	SADDLE
178.61811316	316.60705670	2.57531590	MAXIMUM

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MOID Plots

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