Asteroids

2024SE26 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.884

Aphelion (Q)

3.166

Eccentricity (e)

0.563

Inclination (i)

11.6

deg

Orbit period (P)

1052.6

Earth MOID

0.02421

U parameter

5.4

Next Earth close approach

Date

2073-12-20

Nominal distance (from Earth center)

0.17195

25723761

Maximum Brightness

23.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

22.8

mag

Diameter

70 - 170*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-09-23

Observatory

Pan-STARRS 1, 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.025040

1-sigma variation

0.000067

Unit

Eccentricity (e)

Value

0.563220

1-sigma variation

0.000015

Unit

Inclination (i)

Value

11.6028

1-sigma variation

0.0002

Unit

Long. of Ascending Node (Ω)

Value

219.4823

1-sigma variation

3.889E-5

Unit

Arg. of Perihelion (ω)

Value

217.5296

1-sigma variation

4.806E-5

Unit

Mean Anomaly (M)

Value

190.90050

1-sigma variation

0.00943

Unit

Perihelion distance

Value

0.884496

1-sigma variation

Unit

Aphelion distance

Value

3.165584

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.492203

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.037181

1-sigma variation

Unit

MOID

Value

0.024207

1-sigma variation

Unit

Orbit Period

Value

1052.5648

1-sigma variation

Unit

U parameter

Value

5.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.51804E-9	1.03997E-9	1.45350E-8	2.04028E-9	-2.82277E-9	-6.33831E-7
e	1.03997E-9	2.39388E-10	3.34563E-9	4.70913E-10	-6.48603E-10	-1.45896E-7
i	1.45350E-8	3.34563E-9	4.68282E-8	6.43634E-9	-8.97154E-9	-2.03909E-6
Ω	2.04028E-9	4.70913E-10	6.43634E-9	1.51266E-9	-1.37565E-9	-2.86335E-7
ω	-2.82277E-9	-6.48603E-10	-8.97154E-9	-1.37565E-9	2.30947E-9	3.95917E-7
M	-6.33831E-7	-1.45896E-7	-2.03909E-6	-2.86335E-7	3.95917E-7	8.89194E-5

Date of computation: 2026-03-17 23:26 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

22.774

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 - 170*

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

530

Unit

Source

[1]

Normalized RMS of residuals

Value

0.649928

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-09-05.359561

Unit

Source

[2]

Last Observation

Value

2024-10-26.768138

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

92 (3)

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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2024SE26 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	1975-12-13 02:47	> 1 d	0.1611668	0.1502413	0.0040082
EARTH	2001-10-10 23:51	655.5	0.1775578	0.1571718	0.0068183
EARTH	2024-10-28 05:18	< 1 s	0.0250139	0.0250119	0.0000006
EARTH	2073-12-20 19:21	> 1 d	0.1719527	0.1628153	0.0036066
EARTH	2099-10-25 22:01	> 1 d	0.0284437	0.0190556	0.0127222
EARTH	2122-10-24 15:10	> 1 d	0.0426686	0.0203826	0.0185908

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
336.49736865	293.76419421	0.02418313	MINIMUM
0.21522149	156.00495278	1.89715820	SADDLE
180.59096657	155.30957894	2.16030403	SADDLE
179.41632433	334.69340217	4.14506498	MAXIMUM

Download:

MOID Plots

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