Asteroids

2025KZ3 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.997

Aphelion (Q)

1.142

Eccentricity (e)

0.068

Inclination (i)

3.0

deg

Orbit period (P)

403.8

Earth MOID

0.00653

U parameter

5.6

Next Earth close approach

Date

2036-01-09

Nominal distance (from Earth center)

0.16114

24106817

Maximum Brightness

25.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.2

mag

Diameter

6 - 14*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-25

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.069138

1-sigma variation

0.000019

Unit

Eccentricity (e)

Value

0.067834

1-sigma variation

0.000021

Unit

Inclination (i)

Value

2.9944

1-sigma variation

0.0003

Unit

Long. of Ascending Node (Ω)

Value

73.0879

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

213.5096

1-sigma variation

0.0020

Unit

Mean Anomaly (M)

Value

122.55936

1-sigma variation

0.00510

Unit

Perihelion distance

Value

0.996614

1-sigma variation

Unit

Aphelion distance

Value

1.141663

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.142429

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.008741

1-sigma variation

Unit

MOID

Value

0.006526

1-sigma variation

Unit

Orbit Period

Value

403.7842

1-sigma variation

Unit

U parameter

Value

5.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.48496E-10	4.00909E-10	5.33731E-9	1.31551E-8	3.64358E-8	-9.51386E-8
e	4.00909E-10	4.61233E-10	6.13697E-9	1.51427E-8	4.19379E-8	-1.09474E-7
i	5.33731E-9	6.13697E-9	8.21227E-8	2.00403E-7	5.55739E-7	-1.45426E-6
Ω	1.31551E-8	1.51427E-8	2.00403E-7	4.99661E-7	1.38224E-6	-3.59966E-6
ω	3.64358E-8	4.19379E-8	5.55739E-7	1.38224E-6	3.82731E-6	-9.96769E-6
M	-9.51386E-8	-1.09474E-7	-1.45426E-6	-3.59966E-6	-9.96769E-6	2.59971E-5

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

28.19

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 - 14*

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

168

Unit

Source

[1]

Normalized RMS of residuals

Value

0.795297

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-25.428552

Unit

Source

[2]

Last Observation

Value

2025-05-31.402526

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

32 (2)

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 2025KZ3 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	1954-05-21 12:03	> 1 w	0.0515911	0.0124605	0.1332793
EARTH	1954-11-20 00:07	> 1 mo	0.1260555	0.0976925	0.0464450
EARTH	1965-04-09 02:05	> 1 mo	0.1057945	0.0598285	0.0155572
EARTH	1965-08-19 12:33	> 1 w	0.0399103	0.0397638	0.0015444
EARTH	1975-12-28 10:22	> 1 w	0.1607828	0.1550869	0.0021783
EARTH	1986-03-27 09:46	> 1 w	0.1185528	0.1084639	0.0033640
EARTH	1986-09-02 11:57	> 1 d	0.0446199	0.0408273	0.0025691
EARTH	1996-07-01 00:02	> 1 d	0.0298339	0.0266849	0.0010968
EARTH	2006-03-13 17:14	> 1 d	0.1358002	0.1330950	0.0009022
EARTH	2006-09-06 03:34	293.6	0.0682230	0.0627927	0.0018569
EARTH	2016-01-04 05:53	> 1 d	0.1757571	0.1754321	0.0001093
EARTH	2025-05-31 07:46	< 1 min	0.0046152	0.0046128	0.0000008
EARTH	2025-10-14 21:40	3.9	0.0968942	0.0968276	0.0000222
EARTH	2036-01-09 07:39	> 1 d	0.1611441	0.1611301	0.0000076
EARTH	2046-07-04 03:06	> 1 d	0.0364320	0.0323470	0.0014490
EARTH	2056-05-20 14:37	263.8	0.0282590	0.0238135	0.0014926
EARTH	2056-10-31 10:04	> 1 d	0.1085435	0.1064673	0.0006982
EARTH	2067-05-26 18:08	> 1 w	0.0061847	0.0047219	0.0147721
EARTH	2067-11-09 06:13	> 1 mo	0.0865220	0.0848304	0.0291470
EARTH	2082-02-28 16:24	> 1 mo	0.1157854	0.0516872	0.3997823
EARTH	2082-09-13 05:57	> 1 w	0.0718113	0.0595829	0.8424280
EARTH	2096-07-02 10:09	> 1 mo	0.0474470	0.0298467	0.4740705
EARTH	2096-09-26 19:20	> 1 mo	0.0663059	0.0607204	0.2656020
EARTH	2110-01-12 08:19	> 1 mo	0.1324428	0.1321019	0.0362775
EARTH	2110-09-16 18:43	> 1 mo	0.1930177	0.0627005	1.4197708
EARTH	2123-05-25 23:50	> 1 mo	0.0035838	0.0028398	0.5229689
EARTH	2123-11-26 05:30	> 1 mo	0.0615597	0.0607147	4.0358486
EARTH	2124-10-02 05:28	> 1 mo	0.1911772	0.0523767	42.9469054

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
320.86623624	147.50526838	0.00486192	MINIMUM
181.39764444	11.15402417	0.17763975	SADDLE
358.52085064	8.55496291	1.97587951	SADDLE
178.21993148	188.25162239	2.17550689	MAXIMUM

Download:

MOID Plots

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