Asteroids

2024FD1 help

Last update: 2024-04-26 23:50 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.997

Aphelion (Q)

2.013

Eccentricity (e)

0.337

Inclination (i)

1.0

deg

Orbit period (P)

674.6

Earth MOID

0.00102

U parameter

7.3

Next Earth close approach

Date

2059-03-20

Nominal distance (from Earth center)

0.00852

1275140

Maximum Brightness

19.9

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

29.3

mag

Diameter

4 - 8*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-03-18

Observatory

Mt. Lemmon 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

1.505365

1-sigma variation

0.000567

Unit

Eccentricity (e)

Value

0.337419

1-sigma variation

0.000249

Unit

Inclination (i)

Value

0.9640

1-sigma variation

0.0005

Unit

Long. of Ascending Node (Ω)

Value

3.9355

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

188.1114

1-sigma variation

0.0012

Unit

Mean Anomaly (M)

Value

0.05408

1-sigma variation

0.00032

Unit

Perihelion distance

Value

0.997426

1-sigma variation

Unit

Aphelion distance

Value

2.013304

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.001278

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.002945

1-sigma variation

Unit

MOID

Value

0.001022

1-sigma variation

Unit

Orbit Period

Value

674.6229

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.20959E-7	1.41191E-7	2.95021E-7	2.46082E-7	5.38860E-7	-7.95723E-8
e	1.41191E-7	6.21108E-8	1.29793E-7	1.08180E-7	2.37399E-7	-3.51331E-8
i	2.95021E-7	1.29793E-7	2.72503E-7	2.18532E-7	5.19690E-7	-8.08497E-8
Ω	2.46082E-7	1.08180E-7	2.18532E-7	2.33766E-7	2.66856E-7	-1.43464E-8
ω	5.38860E-7	2.37399E-7	5.19690E-7	2.66856E-7	1.54324E-6	-3.60584E-7
M	-7.95723E-8	-3.51331E-8	-8.08497E-8	-1.43464E-8	-3.60584E-7	1.02883E-7

Date of computation: 2024-04-23 10:08 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

29.307

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

0.708244

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-03-18.178232

Unit

Source

[2]

Last Observation

Value

2024-03-19.893495

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (2)

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 2024FD1 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	1968-05-14 21:13	> 1 w	0.1307458	0.0097557	0.1826692
EARTH	1983-03-08 22:07	> 1 d	0.0362734	0.0014660	0.0146387
EARTH	1996-05-11 20:20	> 1 w	0.0987528	0.0093049	0.0807643
EARTH	2024-03-20 19:59	< 1 min	0.0073164	0.0073021	0.0000047
EARTH	2059-03-20 19:23	> 1 w	0.0085238	0.0004466	0.0440268
MARS	2064-04-28 16:24	> 1 mo	0.0261229	0.0014833	1.0594509
EARTH	2079-05-10 02:56	> 1 mo	0.0578726	0.0098416	3.3215775
EARTH	2090-02-22 09:14	> 1 mo	0.1660959	0.0042019	3.8804603
EARTH	2110-05-15 00:51	> 1 mo	0.0811197	0.0106448	13.3450931
EARTH	2121-03-05 03:15	> 1 mo	0.0716116	0.0017466	1.3352181

Download as:

2024FD1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2092-04-17.299	85254.299	0.353	0.000	0.71 ± 0.179	2.74E7	6.67E-8	1.87E-10	-9.53
2100-04-28.125	88186.125	-2.857	0.000	1.34 ± 0.154	1.29E6	2.22E-8	6.20E-11	-10.06
2105-05-06.505	90020.505	-3.457	0.419	1.73 ± 1.556	7.83E6	4.51E-11	1.26E-13	-12.78
2116-04-27.312	94029.312	-2.857	0.000	2.19 ± 0.155	7.24E7	2.28E-10	6.34E-13	-12.13


Based on 26 optical observations (of which 2 are rejected as outliers) from 2024/03/18.178 to 2024/03/19.893.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 2.12 and 2.12 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20240320 130830.748 UTC.

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