Asteroids

2025RT1 help

Last update: 2025-09-12 13:15 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.024

Aphelion (Q)

1.525

Eccentricity (e)

0.196

Inclination (i)

27.8

deg

Orbit period (P)

525.8

Earth MOID

0.04648

U parameter

8.4

Next Earth close approach

Date

2061-09-05

Nominal distance (from Earth center)

0.08055

12050505

Maximum Brightness

20.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.7

mag

Diameter

50 - 110*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-09-08

Observatory

Palomar Mountain--ZTF

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

1.274910

1-sigma variation

0.001844

Unit

Eccentricity (e)

Value

0.196496

1-sigma variation

0.001035

Unit

Inclination (i)

Value

27.7933

1-sigma variation

0.0618

Unit

Long. of Ascending Node (Ω)

Value

343.8031

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

35.0608

1-sigma variation

0.1075

Unit

Mean Anomaly (M)

Value

28.19718

1-sigma variation

0.01654

Unit

Perihelion distance

Value

1.024396

1-sigma variation

Unit

Aphelion distance

Value

1.525424

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.047248

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.467988

1-sigma variation

Unit

MOID

Value

0.046479

1-sigma variation

Unit

Orbit Period

Value

525.7965

1-sigma variation

Unit

U parameter

Value

8.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.39935E-6	1.90833E-6	1.14013E-4	4.86413E-7	-1.98224E-4	3.03430E-5
e	1.90833E-6	1.07131E-6	6.40041E-5	2.72998E-7	-1.11270E-4	1.70283E-5
i	1.14013E-4	6.40041E-5	3.82405E-3	1.63184E-5	-6.64864E-3	1.01787E-3
Ω	4.86413E-7	2.72998E-7	1.63184E-5	7.01283E-8	-2.84119E-5	4.37173E-6
ω	-1.98224E-4	-1.11270E-4	-6.64864E-3	-2.84119E-5	1.15657E-2	-1.77364E-3
M	3.03430E-5	1.70283E-5	1.01787E-3	4.37173E-6	-1.77364E-3	2.73519E-4

Date of computation: 2025-09-12 13:15 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

23.731

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

50 - 110*

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.767406

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-09-07.182912

Unit

Source

[2]

Last Observation

Value

2025-09-11.831256

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 2025RT1 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	1953-09-13 03:20	> 1 w	0.1918874	0.0421126	0.3871850
EARTH	1966-09-04 06:25	> 1 w	0.1032066	0.0456003	0.4359165
EARTH	1989-09-09 08:10	> 1 w	0.0777192	0.0464883	0.3388269
EARTH	2025-09-07 09:40	< 1 min	0.0471635	0.0468178	0.0001152
EARTH	2061-09-05 05:22	> 1 w	0.0805527	0.0464103	0.3527069
EARTH	2084-09-10 09:24	> 1 w	0.1049977	0.0456589	0.4168267
EARTH	2097-09-01 04:07	> 1 w	0.1861053	0.0416321	0.3537869
EARTH	2120-09-08 10:06	> 1 d	0.0471994	0.0471881	0.0021332

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
331.79809004	244.21187348	0.04647904	MINIMUM
114.82248446	43.93392923	0.43492211	MINIMUM
55.43172103	344.46730675	0.52007291	SADDLE
222.45498672	129.96089353	0.70764816	SADDLE
12.23396953	109.94921116	2.00274263	SADDLE
167.30359136	263.92098176	2.51018785	MAXIMUM

Download:

MOID Plots

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