Asteroids

2023FQ4 help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.805

Aphelion (Q)

1.303

Eccentricity (e)

0.236

Inclination (i)

2.3

deg

Orbit period (P)

395.2

Earth MOID

0.00796

U parameter

6.7

Next Earth close approach

Date

2036-03-25

Nominal distance (from Earth center)

0.08226

12305448

Maximum Brightness

25.3

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

2023-03-26

Observatory

Mt. Lemmon Survey

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

1.053911

1-sigma variation

0.000086

Unit

Eccentricity (e)

Value

0.236231

1-sigma variation

0.000182

Unit

Inclination (i)

Value

2.3418

1-sigma variation

0.0020

Unit

Long. of Ascending Node (Ω)

Value

177.7731

1-sigma variation

0.0014

Unit

Arg. of Perihelion (ω)

Value

102.2812

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

273.88132

1-sigma variation

0.06704

Unit

Perihelion distance

Value

0.804945

1-sigma variation

Unit

Aphelion distance

Value

1.302878

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.052222

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.056412

1-sigma variation

Unit

MOID

Value

0.007958

1-sigma variation

Unit

Orbit Period

Value

395.1888

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.42373E-9	1.56620E-8	1.70456E-7	1.18623E-7	7.34597E-9	-5.77666E-6
e	1.56620E-8	3.30507E-8	3.59834E-7	2.50695E-7	1.60731E-8	-1.21871E-5
i	1.70456E-7	3.59834E-7	3.92030E-6	2.73723E-6	1.81586E-7	-1.32638E-4
Ω	1.18623E-7	2.50695E-7	2.73723E-6	1.92495E-6	1.39967E-7	-9.23044E-5
ω	7.34597E-9	1.60731E-8	1.81586E-7	1.39967E-7	5.32239E-8	-5.71565E-6
M	-5.77666E-6	-1.21871E-5	-1.32638E-4	-9.23044E-5	-5.71565E-6	4.49502E-3

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

27.551

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

775

Unit

Source

[1]

Normalized RMS of residuals

Value

0.542021

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-03-26.276048

Unit

Source

[2]

Last Observation

Value

2023-03-30.172318

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

29 (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 2023FQ4 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	1952-03-26 09:47	> 1 mo	0.0273904	0.0063883	1.9345976
EARTH	1954-10-09 01:09	> 1 mo	0.1100165	0.0090473	1.7765476
EARTH	1966-03-27 13:13	> 1 d	0.0170411	0.0065558	0.1045764
EARTH	1968-10-07 08:56	> 1 w	0.0588550	0.0099137	0.1693149
EARTH	1981-03-17 18:02	> 1 mo	0.1600141	0.0204567	0.1171195
EARTH	1981-05-01 16:38	> 1 mo	0.1516808	0.0105368	0.0873628
EARTH	1982-08-16 19:52	> 1 mo	0.1758702	0.0457634	0.0551461
EARTH	1982-10-31 04:55	> 1 mo	0.1984473	0.0083400	0.0833791
EARTH	1995-03-25 13:26	214.7	0.0742151	0.0522355	0.0073289
EARTH	1997-10-05 17:07	1403.0	0.0182482	0.0097675	0.0145672
EARTH	2009-03-27 13:41	624.4	0.0439728	0.0176962	0.0089858
EARTH	2011-10-10 05:58	590.3	0.0910747	0.0625843	0.0095267
EARTH	2023-03-30 15:47	< 1 min	0.0102951	0.0102728	0.0000074
EARTH	2036-03-25 19:13	582.0	0.0822568	0.0533781	0.0096503
EARTH	2038-10-10 08:53	561.8	0.1151610	0.0891324	0.0086854
EARTH	2050-06-05 14:22	> 1 d	0.1999971	0.1962929	0.0012348
EARTH	2051-10-03 09:33	351.3	0.0322954	0.0231787	0.0031097
EARTH	2063-03-31 11:07	1037.0	0.0281809	0.0078740	0.0120271
EARTH	2064-07-29 13:34	> 1 d	0.1983826	0.1930556	0.0017789
EARTH	2076-03-26 18:08	> 1 d	0.0552627	0.0078669	0.0428333
EARTH	2078-10-10 23:58	> 1 d	0.1324753	0.0338339	0.0331610
EARTH	2090-05-31 06:23	> 1 w	0.1944145	0.1796500	0.0049228
EARTH	2091-10-01 09:39	> 1 d	0.0572533	0.0099033	0.0240385
EARTH	2103-04-01 18:43	> 1 d	0.0347584	0.0081109	0.0332411
EARTH	2104-07-31 22:06	> 1 w	0.1970063	0.1811182	0.0053237
EARTH	2116-03-27 13:56	> 1 d	0.0579577	0.0080641	0.0952049
EARTH	2118-10-11 17:00	> 1 d	0.1260436	0.0099868	0.0791355

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
282.58175871	86.14109901	0.00799543	MINIMUM
77.05760142	269.93831477	0.00930488	MINIMUM
359.79761990	177.94046941	0.21470499	SADDLE
179.84971124	358.14796015	0.32341747	SADDLE
0.09736976	358.33165499	1.78732715	SADDLE
180.12554111	178.36287410	2.31913587	MAXIMUM

Download:

MOID Plots

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