Asteroids

2024SE4 help

Last update: 2025-02-19 13:28 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

1.005

Aphelion (Q)

1.378

Eccentricity (e)

0.157

Inclination (i)

1.0

deg

Orbit period (P)

475.1

Earth MOID

0.01369

U parameter

5.0

Next Earth close approach

Date

2037-11-13

Nominal distance (from Earth center)

0.01731

2589712

Maximum Brightness

20.1

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.6

mag

Diameter

8 - 18*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-09-26

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.191506

1-sigma variation

0.000011

Unit

Eccentricity (e)

Value

0.156593

1-sigma variation

0.000007

Unit

Inclination (i)

Value

1.0179

1-sigma variation

3.656E-5

Unit

Long. of Ascending Node (Ω)

Value

50.3131

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

354.9685

1-sigma variation

0.0004

Unit

Mean Anomaly (M)

Value

136.19342

1-sigma variation

0.00159

Unit

Perihelion distance

Value

1.004924

1-sigma variation

Unit

Aphelion distance

Value

1.378088

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.015647

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.367321

1-sigma variation

Unit

MOID

Value

0.013687

1-sigma variation

Unit

Orbit Period

Value

475.0540

1-sigma variation

Unit

U parameter

Value

5.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.17104E-10	7.79351E-11	3.95133E-10	1.24675E-9	-4.68300E-9	-1.72235E-8
e	7.79351E-11	5.18675E-11	2.62979E-10	8.29459E-10	-3.11598E-9	-1.14628E-8
i	3.95133E-10	2.62979E-10	1.33681E-9	4.09528E-9	-1.56694E-8	-5.81306E-8
Ω	1.24675E-9	8.29459E-10	4.09528E-9	1.83094E-8	-5.52434E-8	-1.83118E-7
ω	-4.68300E-9	-3.11598E-9	-1.56694E-8	-5.52434E-8	1.93580E-7	6.88102E-7
M	-1.72235E-8	-1.14628E-8	-5.81306E-8	-1.83118E-7	6.88102E-7	2.53351E-6

Date of computation: 2025-02-19 13:28 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

27.597

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

8 - 18*

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

183

Unit

Source

[1]

Normalized RMS of residuals

Value

0.492909

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-09-26.387873

Unit

Source

[2]

Last Observation

Value

2024-11-12.386459

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

39 (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 2024SE4 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	1966-11-21 15:16	> 1 d	0.0430232	0.0034266	0.0257140
EARTH	1970-09-23 11:14	> 1 d	0.1412408	0.0352872	0.0356395
EARTH	1971-01-12 12:00	> 1 mo	0.1826310	0.1087675	0.0246682
EARTH	1999-08-11 13:05	> 1 w	0.1975636	0.1902610	0.0024346
EARTH	1999-12-06 10:16	260.8	0.1656122	0.1535728	0.0040131
EARTH	2003-10-12 14:30	797.5	0.0321587	0.0284633	0.0012334
EARTH	2024-10-22 17:15	< 1 min	0.0177096	0.0177074	0.0000007
EARTH	2037-11-13 03:51	879.1	0.0173112	0.0155979	0.0005765
EARTH	2058-12-04 17:29	> 1 d	0.0934341	0.0382848	0.0183964
EARTH	2083-11-26 01:06	> 1 w	0.0394080	0.0009005	0.0420613
EARTH	2087-09-30 04:52	> 1 d	0.1345704	0.0081215	0.1022607
EARTH	2088-01-15 18:50	> 1 mo	0.1777574	0.0083939	0.0718429
EARTH	2120-11-23 17:30	> 1 mo	0.0311291	0.0020391	0.7125952
EARTH	2124-11-06 10:42	> 1 mo	0.0145787	0.0144805	0.0815549

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
356.28418706	294.52457346	0.01365944	MINIMUM
176.14017652	114.14219542	0.38800594	SADDLE
354.64097815	112.61413115	2.01104825	SADDLE
176.24861965	294.24326101	2.38587051	MAXIMUM

Download:

MOID Plots

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