Asteroids

2024HO2 help

Last update: 2024-05-15 18:30 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.437

Aphelion (Q)

1.018

Eccentricity (e)

0.399

Inclination (i)

9.2

deg

Orbit period (P)

226.5

Earth MOID

0.00040

U parameter

7.2

Next Earth close approach

Date

2031-06-07

Nominal distance (from Earth center)

0.14166

21192539

Maximum Brightness

29.1

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

29.4

mag

Diameter

4 - 8*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-04-30

Observatory

Catalina Sky Survey

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.727122

1-sigma variation

0.000081

Unit

Eccentricity (e)

Value

0.399497

1-sigma variation

0.000190

Unit

Inclination (i)

Value

9.1759

1-sigma variation

0.0015

Unit

Long. of Ascending Node (Ω)

Value

39.4583

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

10.2717

1-sigma variation

0.0084

Unit

Mean Anomaly (M)

Value

111.11518

1-sigma variation

0.03296

Unit

Perihelion distance

Value

0.436639

1-sigma variation

Unit

Aphelion distance

Value

1.017605

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.552907

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.000480

1-sigma variation

Unit

MOID

Value

0.000404

1-sigma variation

Unit

Orbit Period

Value

226.4693

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.48420E-9	-1.53234E-8	-1.23859E-7	7.10946E-9	-6.74425E-7	2.65318E-6
e	-1.53234E-8	3.62138E-8	2.92550E-7	-1.68343E-8	1.59429E-6	-6.27102E-6
i	-1.23859E-7	2.92550E-7	2.39234E-6	-1.31442E-7	1.28306E-5	-5.05724E-5
Ω	7.10946E-9	-1.68343E-8	-1.31442E-7	8.67455E-9	-7.50766E-7	2.93253E-6
ω	-6.74425E-7	1.59429E-6	1.28306E-5	-7.50766E-7	7.03139E-5	-2.76308E-4
M	2.65318E-6	-6.27102E-6	-5.05724E-5	2.93253E-6	-2.76308E-4	1.08635E-3

Date of computation: 2024-05-11 11:58 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

29.374

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

4 - 8*

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 ODIM	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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.59954

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-04-30.212226

Unit

Source

[2]

Last Observation

Value

2024-05-03.383587

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

27 (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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2024HO2 from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1952-04-24 22:53	> 1 d	0.0283848	0.0045035	0.0262751
EARTH	1957-05-18 11:32	> 1 d	0.0630261	0.0361726	0.0129181
EARTH	1962-05-26 17:07	10.9	0.1952423	0.1709218	0.0081784
EARTH	1970-04-21 02:05	500.0	0.0899772	0.0518951	0.0128345
EARTH	1975-05-06 06:24	> 1 d	0.0204088	0.0053609	0.0136252
EARTH	1980-05-25 18:34	558.4	0.1364729	0.0998649	0.0127538
EARTH	1988-04-19 23:10	49.4	0.1170044	0.1167640	0.0000802
EARTH	1993-05-05 11:16	> 1 d	0.0200378	0.0065780	0.0048949
EARTH	1998-05-26 14:14	65.6	0.1645300	0.1370376	0.0093621
EARTH	2006-04-22 21:45	1357.3	0.0508905	0.0151467	0.0122962
EARTH	2011-05-19 03:36	> 1 d	0.0637694	0.0469661	0.0063127
EARTH	2019-04-21 04:58	106.9	0.1869186	0.1735343	0.0044646
EARTH	2024-04-29 15:17	< 1 min	0.0002501	0.0002496	0.0000002
EARTH	2031-06-07 21:52	2.3	0.1416634	0.1262528	0.0051994
VENUS	2033-06-06 16:11	441.4	0.0395643	0.0395059	0.0005247
EARTH	2036-05-04 18:12	> 1 d	0.0195587	0.0027479	0.0058714
VENUS	2039-12-18 20:08	325.9	0.0124642	0.0121997	0.0019712
EARTH	2041-04-24 03:39	430.2	0.1906645	0.1431649	0.0158410
EARTH	2048-05-27 14:04	> 1 w	0.0489435	0.0463467	0.0110115
EARTH	2053-04-23 20:29	> 1 d	0.0637533	0.0025222	0.0879070
VENUS	2058-08-26 20:51	> 1 d	0.0401389	0.0390409	0.0331271
EARTH	2060-06-06 19:06	> 1 d	0.1122894	0.0568843	0.0995783
VENUS	2065-03-08 16:05	> 1 d	0.0470186	0.0114524	0.1892409
EARTH	2065-05-04 22:31	> 1 w	0.0195204	0.0003840	0.0749472
EARTH	2070-04-23 18:03	> 1 d	0.1525930	0.0043824	0.0667610
EARTH	2077-06-05 14:31	> 1 w	0.0839887	0.0543794	0.2414625
EARTH	2082-05-05 06:34	> 1 mo	0.0199063	0.0003278	0.2776056
EARTH	2087-04-23 16:45	904.2	0.1176187	0.0068467	0.1666763
VENUS	2092-11-14 13:00	> 1 w	0.0180652	0.0099156	0.3503862
EARTH	2094-06-07 14:13	> 1 d	0.1371655	0.0552563	0.2578488
EARTH	2099-05-19 04:04	> 1 mo	0.0420659	0.0335202	0.0513769
EARTH	2104-04-24 08:35	> 1 d	0.0732219	0.0024290	0.1518033
EARTH	2111-06-09 00:14	> 1 d	0.1467007	0.1235618	0.0094114
EARTH	2116-05-20 21:29	> 1 w	0.0435959	0.0430286	0.0061692
VENUS	2119-12-12 00:22	> 1 w	0.0390982	0.0098708	0.2369402
EARTH	2121-04-24 12:36	> 1 d	0.0757265	0.0053227	0.1563336

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