Asteroids

2005UF help

Last update: 2024-04-16 21:36 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.812

Aphelion (Q)

2.543

Eccentricity (e)

0.516

Inclination (i)

7.3

deg

Orbit period (P)

793.9

Earth MOID

0.00473

U parameter

7.9

Next Earth close approach

Date

2032-01-28

Nominal distance (from Earth center)

0.178

26628689

Maximum Brightness

27.1

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2005-10-22

Observatory

Steward Observatory, Kitt Peak-Spacewatch

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

1.677895

1-sigma variation

0.000940

Unit

Eccentricity (e)

Value

0.515832

1-sigma variation

0.000317

Unit

Inclination (i)

Value

7.2842

1-sigma variation

0.0046

Unit

Long. of Ascending Node (Ω)

Value

209.6884

1-sigma variation

0.0043

Unit

Arg. of Perihelion (ω)

Value

244.6500

1-sigma variation

0.0065

Unit

Mean Anomaly (M)

Value

154.22971

1-sigma variation

2.77451

Unit

Perihelion distance

Value

0.812383

1-sigma variation

Unit

Aphelion distance

Value

2.543407

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.576182

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.014357

1-sigma variation

Unit

MOID

Value

0.004731

1-sigma variation

Unit

Orbit Period

Value

793.8629

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.84231E-7	2.98041E-7	4.28596E-6	4.03072E-6	-5.84841E-6	-2.60897E-3
e	2.98041E-7	1.00506E-7	1.44540E-6	1.35855E-6	-1.95846E-6	-8.79387E-4
i	4.28596E-6	1.44540E-6	2.07899E-5	1.95367E-5	-2.81415E-5	-1.26460E-2
Ω	4.03072E-6	1.35855E-6	1.95367E-5	1.83739E-5	-2.66728E-5	-1.18928E-2
ω	-5.84841E-6	-1.95846E-6	-2.81415E-5	-2.66728E-5	4.21428E-5	1.72555E-2
M	-2.60897E-3	-8.79387E-4	-1.26460E-2	-1.18928E-2	1.72555E-2	7.69791E0

Date of computation: 2024-02-21 14:29 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

26.052

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

16 - 40*

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

6750

Unit

Source

[1]

Normalized RMS of residuals

Value

0.987517

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2005-10-22.23126

Unit

Source

[2]

Last Observation

Value

2005-10-23.48777

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

41 (11)

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 2005UF 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	1970-10-25 20:50	> 1 w	0.0098361	0.0022697	0.2020712
EARTH	1984-03-08 13:59	> 1 w	0.1789418	0.1008056	0.1144898
EARTH	1995-01-08 14:58	> 1 w	0.1969833	0.1784661	0.0080002
EARTH	2005-10-24 03:30	< 1 s	0.0100137	0.0099960	0.0000059
EARTH	2018-11-29 14:48	> 1 w	0.1676608	0.0674935	0.0375239
EARTH	2032-01-28 13:08	> 1 mo	0.1780018	0.1077930	0.0620277
EARTH	2045-03-05 03:18	> 1 w	0.1211184	0.0986550	0.1129566
EARTH	2055-10-16 02:47	> 1 w	0.1302569	0.0020249	0.2819459
EARTH	2068-11-06 16:48	> 1 mo	0.0949065	0.0009054	0.2270973
EARTH	2095-02-27 14:03	> 1 d	0.0986239	0.0976506	0.0070005
EARTH	2105-10-12 23:33	> 1 w	0.1996751	0.0016796	0.1948565
EARTH	2118-10-30 20:07	> 1 mo	0.0373470	0.0074060	0.3068410

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