Asteroids

450649 2006UY64 help

Last update: 2025-10-04 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.785

Aphelion (Q)

1.078

Eccentricity (e)

0.157

Inclination (i)

26.2

deg

Orbit period (P)

328.4

Earth MOID

0.05395

U parameter

0.0

Next Earth close approach

Date

2033-10-23

Nominal distance (from Earth center)

0.08942

13377764

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

19.4

mag

Diameter

400 - 800*

Taxonomic type

Scomp

Rotation period (T)

2.824

Discovery Information

Discovery Date

2006-10-25

Observatory

Siding Spring 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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.931596

1-sigma variation

3.428E-10

Unit

Eccentricity (e)

Value

0.157344

1-sigma variation

4.112E-8

Unit

Inclination (i)

Value

26.2164

1-sigma variation

8.147E-6

Unit

Long. of Ascending Node (Ω)

Value

30.7661

1-sigma variation

1.275E-6

Unit

Arg. of Perihelion (ω)

Value

210.8029

1-sigma variation

1.651E-5

Unit

Mean Anomaly (M)

Value

210.47278

1-sigma variation

0.00003

Unit

Perihelion distance

Value

0.785016

1-sigma variation

Unit

Aphelion distance

Value

1.078177

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.055674

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.205979

1-sigma variation

Unit

MOID

Value

0.053954

1-sigma variation

Unit

Orbit Period

Value

328.4279

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.17517E-19	-4.60805E-18	9.71369E-17	-1.13671E-16	-2.53311E-15	3.36015E-15
e	-4.60805E-18	1.69093E-15	-4.68986E-14	4.08819E-14	6.70567E-13	-1.03106E-12
i	9.71369E-17	-4.68986E-14	6.63676E-11	4.75686E-12	-7.76802E-12	6.79411E-12
Ω	-1.13671E-16	4.08819E-14	4.75686E-12	1.62631E-12	1.71262E-11	-2.69965E-11
ω	-2.53311E-15	6.70567E-13	-7.76802E-12	1.71262E-11	2.72617E-10	-4.16309E-10
M	3.36015E-15	-1.03106E-12	6.79411E-12	-2.69965E-11	-4.16309E-10	6.39234E-10

Date of computation: 2025-10-04 13:00 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

2.824

Unit

Source

[3]

Quality

Value

2,B,U

Unit

Source

[3]

Amplitude

Value

0.09

Unit

mag

Source

[3]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Scomp

Unit

Source

[1]

Taxonomy (all)

Value

Unit

Source

[2]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

19.378

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[5]

Diameter

Value

400 - 800*

Unit

Source

[5]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[6]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	EARN	1.) Warner, B.D. (2016) MPB 43, 143-154. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2015 OCTOBER-DECEMBER)(36NEAs)
[4]	ESA Aegis	ESA orbit determination and impact monitoring system
[5]	Estimation	Estimated from absolute magnitude
[6]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

6918

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.457106

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2006-10-25.50275

Unit

Source

[2]

Last Observation

Value

2025-10-03.495677

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

823 (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

2015-10-23

Unit

Source

[3]

Last Observation

Value

2024-10-21

Unit

Source

[3]

Delay (Discarded)

Value

6 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

7 (0)

Unit

Source

[1]

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
[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 450649 2006UY64 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	1953-10-24 10:25	< 1 s	0.1308129	0.1308125	0.0000002
EARTH	1962-10-25 20:20	< 1 s	0.1717969	0.1717965	0.0000001
EARTH	1997-10-22 06:37	< 1 s	0.1583519	0.1583517	0.0000001
EARTH	2006-10-22 10:41	< 1 s	0.0997965	0.0997964	0.0000000
EARTH	2015-10-22 22:22	< 1 s	0.0611743	0.0611743	0.0000000
EARTH	2024-10-22 15:10	< 1 s	0.0566728	0.0566728	0.0000000
EARTH	2033-10-23 15:59	< 1 s	0.0894248	0.0894247	0.0000000
EARTH	2042-10-25 08:32	< 1 s	0.1505397	0.1505395	0.0000001
EARTH	2068-10-22 09:06	< 1 s	0.1807412	0.1807407	0.0000002
EARTH	2077-10-22 09:19	< 1 s	0.1124026	0.1124021	0.0000002
EARTH	2086-10-22 19:11	< 1 s	0.0679858	0.0679854	0.0000001
EARTH	2095-10-23 07:57	< 1 s	0.0540925	0.0540924	0.0000000
EARTH	2104-10-23 21:03	< 1 s	0.0585111	0.0585108	0.0000001
EARTH	2113-10-24 13:11	< 1 s	0.0759575	0.0759563	0.0000004
EARTH	2122-10-25 12:36	< 1 min	0.1080038	0.1080019	0.0000007

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
142.24909764	288.80736090	0.05395372	MINIMUM
328.35246520	102.92128746	0.20218707	MINIMUM
242.67635914	14.41381201	0.44866437	SADDLE
49.08766182	196.62491989	0.45557103	SADDLE
22.67969438	343.45263723	1.74877716	SADDLE
171.33528891	131.39748117	2.08052619	MAXIMUM

Download:

MOID Plots

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