Asteroids

2023NT1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.922

Aphelion (Q)

2.860

Eccentricity (e)

0.512

Inclination (i)

5.8

deg

Orbit period (P)

949.8

Earth MOID

0.00023

U parameter

4.9

Next Earth close approach

Date

2036-07-15

Nominal distance (from Earth center)

0.02056

3075133

Maximum Brightness

18.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

27 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-07-15

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

1.890933

1-sigma variation

0.000027

Unit

Eccentricity (e)

Value

0.512411

1-sigma variation

0.000007

Unit

Inclination (i)

Value

5.7875

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

290.5358

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

316.3713

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

339.00282

1-sigma variation

0.00748

Unit

Perihelion distance

Value

0.921998

1-sigma variation

Unit

Aphelion distance

Value

2.859867

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.000629

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.232191

1-sigma variation

Unit

MOID

Value

0.000229

1-sigma variation

Unit

Orbit Period

Value

949.7572

1-sigma variation

Unit

U parameter

Value

4.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.55521E-10	2.04457E-10	1.68945E-9	-3.81965E-10	5.62640E-10	-2.05481E-7
e	2.04457E-10	5.54093E-11	4.58854E-10	-8.32696E-11	1.22914E-10	-5.56084E-8
i	1.68945E-9	4.58854E-10	3.81776E-9	-4.32045E-10	6.42353E-10	-4.59517E-7
Ω	-3.81965E-10	-8.32696E-11	-4.32045E-10	5.30159E-9	-7.69797E-9	1.03453E-7
ω	5.62640E-10	1.22914E-10	6.42353E-10	-7.69797E-9	1.12496E-8	-1.52414E-7
M	-2.05481E-7	-5.56084E-8	-4.59517E-7	1.03453E-7	-1.52414E-7	5.58851E-5

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

24.959

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

27 - 60*

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

845

Unit

Source

[1]

Normalized RMS of residuals

Value

0.328037

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-07-15.141838

Unit

Source

[2]

Last Observation

Value

2023-09-15.10605

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

263 (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 2023NT1 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	2018-07-23 18:45	76.2	0.0988475	0.0968651	0.0006608
EARTH	2023-07-13 10:11	< 1 min	0.0006744	0.0006743	0.0000000
EARTH	2036-07-15 21:09	293.0	0.0205560	0.0157785	0.0015929
EARTH	2070-05-24 03:13	> 1 w	0.1140429	0.1128382	0.0027890
EARTH	2083-07-27 11:50	> 1 d	0.1269708	0.0076655	0.0764670
EARTH	2104-04-11 13:45	> 1 d	0.1171353	0.1021024	0.0283536
EARTH	2117-07-01 09:22	> 1 w	0.0602807	0.0096405	0.0368107

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
25.69972946	189.53904126	0.00022850	MINIMUM
337.50773709	106.07581796	0.10063155	MINIMUM
355.65907943	137.37333981	0.11707275	SADDLE
180.06169182	325.97860036	1.87703628	SADDLE
0.72950586	326.44870943	1.90730948	SADDLE
180.45565915	146.20663768	3.87321433	MAXIMUM

Download:

MOID Plots

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