Asteroids

2025UP11 help

Last update: 2025-11-02 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.983

Aphelion (Q)

1.640

Eccentricity (e)

0.250

Inclination (i)

5.7

deg

Orbit period (P)

548.5

Earth MOID

0.01505

U parameter

7.1

Next Earth close approach

Date

2028-11-05

Nominal distance (from Earth center)

0.01957

2927963

Maximum Brightness

21.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.3

mag

Diameter

6 - 13*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-10-30

Observatory

Mt. Lemmon Survey

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

1.311299

1-sigma variation

0.000297

Unit

Eccentricity (e)

Value

0.250474

1-sigma variation

0.000169

Unit

Inclination (i)

Value

5.6798

1-sigma variation

0.0034

Unit

Long. of Ascending Node (Ω)

Value

40.5650

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

31.0384

1-sigma variation

0.0033

Unit

Mean Anomaly (M)

Value

353.47601

1-sigma variation

0.00488

Unit

Perihelion distance

Value

0.982853

1-sigma variation

Unit

Aphelion distance

Value

1.639744

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.019743

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.555687

1-sigma variation

Unit

MOID

Value

0.015046

1-sigma variation

Unit

Orbit Period

Value

548.4675

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.80013E-8	5.01003E-8	1.00119E-6	6.26669E-8	-7.73372E-7	1.40966E-6
e	5.01003E-8	2.85350E-8	5.70119E-7	3.55719E-8	-4.32999E-7	7.98638E-7
i	1.00119E-6	5.70119E-7	1.13947E-5	7.11061E-7	-8.71839E-6	1.59949E-5
Ω	6.26669E-8	3.55719E-8	7.11061E-7	4.60191E-8	-6.14094E-7	1.03745E-6
ω	-7.73372E-7	-4.32999E-7	-8.71839E-6	-6.14094E-7	1.11784E-5	-1.47327E-5
M	1.40966E-6	7.98638E-7	1.59949E-5	1.03745E-6	-1.47327E-5	2.38352E-5

Date of computation: 2025-11-02 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

28.306

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

6 - 13*

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

0.629499

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-30.226225

Unit

Source

[2]

Last Observation

Value

2025-11-02.199358

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (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

Close Approaches for 2025UP11 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	1951-12-26 14:12	> 1 d	0.1090889	0.0875964	0.0076758
EARTH	1955-01-10 12:48	945.1	0.1949533	0.1679836	0.0091414
MARS	2014-05-22 23:28	559.6	0.0216477	0.0064701	0.0110110
EARTH	2019-10-16 07:16	766.9	0.1929883	0.1621713	0.0102740
EARTH	2022-10-25 15:57	901.3	0.0859792	0.0675390	0.0061493
EARTH	2025-11-06 13:34	< 1 min	0.0167607	0.0167287	0.0000106
EARTH	2028-11-05 03:10	> 1 d	0.0195722	0.0145778	0.0037153
EARTH	2031-10-23 14:00	> 1 d	0.1105345	0.0628749	0.0158910
EARTH	2093-01-06 15:56	> 1 d	0.1438860	0.0791153	0.0569238
EARTH	2095-12-08 16:12	> 1 w	0.0684059	0.0321322	0.0368870
EARTH	2098-11-11 02:14	> 1 w	0.0183631	0.0158867	0.0149917
EARTH	2101-11-04 06:23	> 1 w	0.0289095	0.0145743	0.1244981
EARTH	2104-10-21 17:34	> 1 d	0.1412518	0.0030301	0.0492861

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
339.94070517	305.33921449	0.01504627	MINIMUM
180.39881298	150.17953373	0.62741375	SADDLE
358.41550834	148.66899920	1.99796208	SADDLE
178.45264973	328.67192917	2.62488040	MAXIMUM

Download:

MOID Plots

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