Asteroids

2025JZ1 help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.856

Aphelion (Q)

2.713

Eccentricity (e)

0.520

Inclination (i)

1.2

deg

Orbit period (P)

870.8

Earth MOID

0.00342

U parameter

7.1

Next Earth close approach

Date

2037-01-17

Nominal distance (from Earth center)

0.02777

4153604

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

22.9

mag

Diameter

70 - 160*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-05

Observatory

ATLAS South Africa, Sutherland

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

1.784634

1-sigma variation

0.000659

Unit

Eccentricity (e)

Value

0.520408

1-sigma variation

0.000196

Unit

Inclination (i)

Value

1.1678

1-sigma variation

0.0003

Unit

Long. of Ascending Node (Ω)

Value

33.4590

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

133.1626

1-sigma variation

0.0013

Unit

Mean Anomaly (M)

Value

99.88231

1-sigma variation

0.05712

Unit

Perihelion distance

Value

0.855896

1-sigma variation

Unit

Aphelion distance

Value

2.713371

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.028702

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.047902

1-sigma variation

Unit

MOID

Value

0.003417

1-sigma variation

Unit

Orbit Period

Value

870.8073

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.33784E-7	1.29361E-7	2.14123E-7	-6.61109E-7	8.33597E-7	-3.76219E-5
e	1.29361E-7	3.85778E-8	6.38554E-8	-1.97147E-7	2.48578E-7	-1.12195E-5
i	2.14123E-7	6.38554E-8	1.05755E-7	-3.25639E-7	4.10684E-7	-1.85708E-5
Ω	-6.61109E-7	-1.97147E-7	-3.25639E-7	1.01649E-6	-1.28100E-6	5.73380E-5
ω	8.33597E-7	2.48578E-7	4.10684E-7	-1.28100E-6	1.61628E-6	-7.22982E-5
M	-3.76219E-5	-1.12195E-5	-1.85708E-5	5.73380E-5	-7.22982E-5	3.26293E-3

Date of computation: 2025-11-24 16:53 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

22.874

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

70 - 160*

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

239

Unit

Source

[1]

Normalized RMS of residuals

Value

0.551032

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-05.785161

Unit

Source

[2]

Last Observation

Value

2025-05-27.394538

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

147 (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 2025JZ1 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	1961-01-04 10:35	> 1 d	0.1257035	0.0590695	0.0225542
EARTH	1968-05-15 16:16	> 1 d	0.1722764	0.1129033	0.0197960
EARTH	1980-01-09 20:24	> 1 w	0.0631940	0.0201208	0.0798577
EARTH	1987-05-17 18:01	> 1 d	0.1809321	0.0379413	0.0477122
EARTH	1999-01-03 23:34	> 1 d	0.1340323	0.0688381	0.0219728
MARS	2005-12-09 19:33	> 1 d	0.0489446	0.0044266	0.0472080
EARTH	2006-05-09 11:22	> 1 d	0.0666682	0.0033711	0.0582621
EARTH	2025-05-05 04:47	< 1 s	0.0183502	0.0183314	0.0000062
EARTH	2037-01-17 15:07	> 1 d	0.0277651	0.0198607	0.0264972
EARTH	2056-05-08 08:54	> 1 w	0.0452784	0.0042928	0.1185687
EARTH	2068-03-02 15:48	> 1 mo	0.1389508	0.0774650	0.0246608
EARTH	2080-01-03 18:42	> 1 mo	0.1449394	0.0199368	0.5114959
EARTH	2099-04-21 19:22	> 1 mo	0.0805365	0.0063619	0.4454184
EARTH	2111-01-13 00:25	> 1 w	0.0383817	0.0197231	0.1810320

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
33.42239060	120.71998802	0.00341696	MINIMUM
329.54839770	13.37233585	0.01987773	MINIMUM
1.60079441	67.10883170	0.13850082	SADDLE
180.53999393	245.95859185	1.70567547	SADDLE
1.75597226	247.36878279	1.86352484	SADDLE
180.54919890	65.95905755	3.70688288	MAXIMUM

Download:

MOID Plots

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