Asteroids

2024YF2 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.892

Aphelion (Q)

1.225

Eccentricity (e)

0.157

Inclination (i)

1.9

deg

Orbit period (P)

397.9

Earth MOID

0.00573

U parameter

5.4

Next Earth close approach

Date

2026-07-04

Nominal distance (from Earth center)

0.15889

23769140

Maximum Brightness

25.6

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

26.6

mag

Diameter

13 - 29*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-12-22

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.058708

1-sigma variation

0.000014

Unit

Eccentricity (e)

Value

0.157221

1-sigma variation

0.000031

Unit

Inclination (i)

Value

1.8643

1-sigma variation

0.0005

Unit

Long. of Ascending Node (Ω)

Value

282.4632

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

265.6675

1-sigma variation

0.0015

Unit

Mean Anomaly (M)

Value

44.31759

1-sigma variation

0.00842

Unit

Perihelion distance

Value

0.892256

1-sigma variation

Unit

Aphelion distance

Value

1.225159

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.028327

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.036702

1-sigma variation

Unit

MOID

Value

0.005727

1-sigma variation

Unit

Orbit Period

Value

397.8895

1-sigma variation

Unit

U parameter

Value

5.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.08165E-10	4.44300E-10	6.64521E-9	1.01929E-8	2.23201E-8	-1.21514E-7
e	4.44300E-10	9.48421E-10	1.41865E-8	2.17582E-8	4.76683E-8	-2.59371E-7
i	6.64521E-9	1.41865E-8	2.12236E-7	3.25468E-7	7.13296E-7	-3.87950E-6
Ω	1.01929E-8	2.17582E-8	3.25468E-7	4.99338E-7	1.09339E-6	-5.95036E-6
ω	2.23201E-8	4.76683E-8	7.13296E-7	1.09339E-6	2.40036E-6	-1.30330E-5
M	-1.21514E-7	-2.59371E-7	-3.87950E-6	-5.95036E-6	-1.30330E-5	7.09344E-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

26.556

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

13 - 29*

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

[-]

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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

449

Unit

Source

[1]

Normalized RMS of residuals

Value

0.537811

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-12-22.520343

Unit

Source

[2]

Last Observation

Value

2025-01-15.938498

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

65 (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

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 2024YF2 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	1950-01-19 02:48	> 1 d	0.0410338	0.0091566	0.0717875
EARTH	1951-07-07 19:54	> 1 d	0.1422370	0.0036824	0.0714268
EARTH	1961-12-19 10:01	> 1 mo	0.1411371	0.0616400	0.0278563
EARTH	1962-03-20 21:45	> 1 mo	0.1036389	0.0735280	0.0100372
EARTH	1962-08-29 05:23	> 1 w	0.1935177	0.1497258	0.0146763
EARTH	1974-06-22 15:11	> 1 d	0.0400523	0.0041469	0.0144275
EARTH	1985-01-10 15:52	12.9	0.1803579	0.1758073	0.0015169
EARTH	1986-06-27 09:35	38.1	0.0104130	0.0094727	0.0003180
EARTH	1998-11-12 13:04	> 1 d	0.1928322	0.1915458	0.0004289
EARTH	1999-04-30 19:33	> 1 d	0.1076565	0.1063944	0.0004208
EARTH	1999-08-02 11:16	> 1 d	0.1421470	0.1390897	0.0010196
EARTH	2012-02-23 01:53	> 1 d	0.0896249	0.0867452	0.0009600
EARTH	2013-07-08 11:06	84.3	0.1928196	0.1875759	0.0017479
EARTH	2025-01-17 01:48	< 1 min	0.0113232	0.0113162	0.0000023
EARTH	2026-07-04 07:02	5.4	0.1588869	0.1586992	0.0000626
EARTH	2037-01-11 05:56	103.5	0.0802127	0.0755966	0.0015391
EARTH	2038-06-29 19:06	117.6	0.0663218	0.0625273	0.0012651
EARTH	2049-01-08 05:19	122.6	0.1542582	0.1479584	0.0021000
EARTH	2050-06-25 13:58	316.9	0.0064247	0.0051934	0.0014496
EARTH	2060-01-18 17:00	> 1 w	0.0646939	0.0125485	0.1281317
EARTH	2061-07-07 02:38	> 1 d	0.1869431	0.0039101	0.1053461
EARTH	2071-01-29 04:17	> 1 w	0.0449996	0.0114693	0.0441682
EARTH	2082-05-18 18:06	> 1 mo	0.0855230	0.0079648	0.0423448
EARTH	2092-01-12 12:04	> 1 d	0.1794535	0.0260725	0.0521822
EARTH	2093-06-30 19:14	> 1 d	0.0853128	0.0030076	0.0471711
EARTH	2103-02-08 19:48	> 1 w	0.0638038	0.0093340	0.0439772
EARTH	2114-06-26 19:17	> 1 w	0.0170616	0.0053729	0.0724543
EARTH	2124-07-03 20:52	> 1 mo	0.1307580	0.0036577	1.6958837

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
76.29005462	171.94483897	0.00540125	MINIMUM
295.99359639	14.15446312	0.00745547	MINIMUM
6.83439937	93.73121985	0.11292827	SADDLE
185.07043155	271.97199849	0.22690049	SADDLE
6.96102580	273.88228905	1.89250124	SADDLE
185.10010744	91.99831883	2.22514341	MAXIMUM

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MOID Plots

Click on the images to zoom-in and zoom-out

Level lines of the squared distance function

2024YF2

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2116-06-30.329	94093.329	0.367	0.30 ± 2.025	4.73E8	2.75E-9	1.26E-1	-9.72
2118-07-01.216	94824.216	-1.921	1.70 ± 0.001	9.43E6	2.74E-8	1.26E-1	-8.73
2119-07-01.638	95189.638	-2.046	1.57 ± 0.002	7.24E6	2.87E-8	1.25E-1	-8.72


Based on 65 optical observations (of which 0 are rejected as outliers) from 2024/12/22.520 to 2025/01/15.938.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 2.63 and 2.63 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20250805 130500.123 UTC.

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