Asteroids

2023RF11 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.887

Aphelion (Q)

2.657

Eccentricity (e)

0.499

Inclination (i)

8.7

deg

Orbit period (P)

861.4

Earth MOID

0.00282

U parameter

7.7

Next Earth close approach

Date

2049-07-11

Nominal distance (from Earth center)

0.17686

26458591

Maximum Brightness

29.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.4

mag

Diameter

9 - 19*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-09-12

Observatory

JPL SynTrack Robotic Telescope, Auberry

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

1.771768

1-sigma variation

0.001471

Unit

Eccentricity (e)

Value

0.499415

1-sigma variation

0.000461

Unit

Inclination (i)

Value

8.6862

1-sigma variation

0.0059

Unit

Long. of Ascending Node (Ω)

Value

347.5276

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

308.5825

1-sigma variation

0.0004

Unit

Mean Anomaly (M)

Value

351.44502

1-sigma variation

0.44171

Unit

Perihelion distance

Value

0.886921

1-sigma variation

Unit

Aphelion distance

Value

2.656615

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.006462

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.937758

1-sigma variation

Unit

MOID

Value

0.002818

1-sigma variation

Unit

Orbit Period

Value

861.4077

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.16254E-6	6.77566E-7	8.62316E-6	-6.91089E-7	4.48327E-7	-6.49559E-4
e	6.77566E-7	2.12295E-7	2.70182E-6	-2.16521E-7	1.40321E-7	-2.03520E-4
i	8.62316E-6	2.70182E-6	3.43854E-5	-2.75545E-6	1.78425E-6	-2.59013E-3
Ω	-6.91089E-7	-2.16521E-7	-2.75545E-6	2.21117E-7	-1.46547E-7	2.07582E-4
ω	4.48327E-7	1.40321E-7	1.78425E-6	-1.46547E-7	1.39441E-7	-1.34672E-4
M	-6.49559E-4	-2.03520E-4	-2.59013E-3	2.07582E-4	-1.34672E-4	1.95107E-1

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

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

27.437

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

9 - 19*

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

739

Unit

Source

[1]

Normalized RMS of residuals

Value

0.476324

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-09-12.328935

Unit

Source

[2]

Last Observation

Value

2023-09-17.415814

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (1)

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

Close Approaches for 2023RF11 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	1988-05-14 16:34	> 1 w	0.1740883	0.1482633	0.1081704
EARTH	1995-05-30 16:34	> 1 w	0.1531764	0.1487395	0.0317976
EARTH	2002-07-02 18:07	> 1 mo	0.1795128	0.1790894	0.0032656
EARTH	2009-08-02 19:17	> 1 w	0.1544041	0.0759678	0.0376519
EARTH	2016-08-28 14:49	> 1 w	0.0768164	0.0032392	0.0456838
EARTH	2023-09-10 07:17	< 1 min	0.0078825	0.0078642	0.0000061
EARTH	2049-07-11 03:46	> 1 mo	0.1768648	0.1718710	0.0167896
EARTH	2056-09-23 20:42	> 1 w	0.1932211	0.0060741	0.2292151
EARTH	2075-05-23 20:42	> 1 w	0.1526735	0.1510655	0.0326665
EARTH	2082-09-08 01:39	> 1 w	0.0114691	0.0027889	0.2278113
EARTH	2122-05-20 13:47	> 1 mo	0.1673497	0.1529020	10.5382680

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
30.36641177	245.04977520	0.00329690	MINIMUM
328.20055048	140.64783529	0.14961066	MINIMUM
351.99279874	180.32446628	0.17830647	SADDLE
179.20920615	13.65902055	1.68325145	SADDLE
359.02209651	12.73318588	1.86768262	SADDLE
180.15674087	194.20193227	3.66704609	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out