Asteroids

2024HY help

Last update: 2024-05-03 18:01 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.537

Aphelion (Q)

1.046

Eccentricity (e)

0.321

Inclination (i)

14.0

deg

Orbit period (P)

257.3

Earth MOID

0.00745

U parameter

6.5

Next Earth close approach

Date

2036-04-23

Nominal distance (from Earth center)

0.00773

1156242

Maximum Brightness

14.6

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

23.6

mag

Diameter

50 - 110*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-04-20

Observatory

ATLAS Chile, Rio Hurtado

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

0.791633

1-sigma variation

0.000035

Unit

Eccentricity (e)

Value

0.321274

1-sigma variation

0.000082

Unit

Inclination (i)

Value

14.0414

1-sigma variation

0.0056

Unit

Long. of Ascending Node (Ω)

Value

212.6207

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

159.2487

1-sigma variation

0.0015

Unit

Mean Anomaly (M)

Value

184.88864

1-sigma variation

0.00593

Unit

Perihelion distance

Value

0.537302

1-sigma variation

Unit

Aphelion distance

Value

1.045964

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.009329

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.447456

1-sigma variation

Unit

MOID

Value

0.007451

1-sigma variation

Unit

Orbit Period

Value

257.2671

1-sigma variation

Unit

U parameter

Value

6.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.19806E-9	-2.84471E-9	-1.94244E-7	7.89587E-9	5.11727E-8	-2.05075E-7
e	-2.84471E-9	6.75497E-9	4.61267E-7	-1.87494E-8	-1.21587E-7	4.87102E-7
i	-1.94244E-7	4.61267E-7	3.14997E-5	-1.28035E-6	-8.30631E-6	3.32689E-5
Ω	7.89587E-9	-1.87494E-8	-1.28035E-6	5.20462E-8	3.37497E-7	-1.35206E-6
ω	5.11727E-8	-1.21587E-7	-8.30631E-6	3.37497E-7	2.20181E-6	-8.79249E-6
M	-2.05075E-7	4.87102E-7	3.32689E-5	-1.35206E-6	-8.79249E-6	3.51714E-5

Date of computation: 2024-04-27 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

23.636

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

50 - 110*

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 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

0.558122

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-04-20.169177

Unit

Source

[2]

Last Observation

Value

2024-04-26.836178

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

92 (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

[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 2024HY 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	1955-04-25 10:15	> 1 d	0.0190624	0.0071798	0.0289240
EARTH	1962-03-31 20:32	> 1 d	0.1406299	0.1053012	0.0135654
EARTH	1974-04-24 01:43	60.4	0.0068921	0.0068355	0.0000741
EARTH	1981-03-25 03:09	496.9	0.1628368	0.1576175	0.0017668
EARTH	1986-04-26 22:05	57.8	0.1575252	0.1437306	0.0046019
EARTH	1993-04-19 03:56	979.2	0.0491954	0.0337506	0.0052397
EARTH	2005-04-26 18:11	118.9	0.0766431	0.0589265	0.0059312
EARTH	2012-04-06 04:59	841.4	0.1168292	0.1089873	0.0026497
EARTH	2024-04-22 17:49	< 1 s	0.0147067	0.0146919	0.0000049
EARTH	2036-04-23 18:52	379.7	0.0077290	0.0075702	0.0008071
EARTH	2043-03-19 03:42	> 1 w	0.1856602	0.1394943	0.0527024
EARTH	2048-04-26 14:22	> 1 d	0.0789768	0.0133270	0.1435973
EARTH	2055-04-02 04:18	> 1 w	0.1336064	0.0833195	0.1082753
EARTH	2060-04-26 06:37	> 1 d	0.1795092	0.0226673	0.2023945
EARTH	2067-04-17 13:01	> 1 w	0.0635570	0.0194295	0.1618966
EARTH	2079-04-24 14:10	> 1 w	0.0084227	0.0082413	0.0311461
EARTH	2086-03-23 02:47	> 1 mo	0.1662293	0.1229586	1.5289494
EARTH	2091-04-27 13:47	> 1 w	0.1334874	0.0191343	4.4542018
EARTH	2098-04-14 12:24	> 1 mo	0.0793444	0.0289623	4.4750573
EARTH	2110-04-27 04:19	> 1 mo	0.0379940	0.0103100	7.0231881
EARTH	2117-04-04 21:29	> 1 mo	0.1235422	0.0736116	1.2043476

Download as: