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JPL Small-Body Database Browser
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109741 (2001 RA64)
Classification:
Main-belt Asteroid
SPK-ID:
2109741
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 16
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2271327786238639
4.0728e-08
a
3.136773275732087
2.8493e-08
au
q
2.424309245701978
1.2948e-07
au
i
20.51032767060165
6.6832e-06
deg
node
341.4802609702456
1.2681e-05
deg
peri
256.3011009398523
1.8926e-05
deg
M
166.7336774157833
1.4513e-05
deg
t
p
2457660.681588282244
(2016-Sep-29.18158828)
7.9365e-05
TDB
period
2029.191903293106
5.56
2.7649e-05
7.57e-08
d
yr
n
.1774105245619049
2.4173e-09
deg/d
Q
3.849237305762196
3.4965e-08
au
Orbit Determination Parameters
# obs. used (total)
496
data-arc span
10612 days (29.05 yr)
first obs. used
1990-10-10
last obs. used
2019-10-30
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58473
source
ORB
producer
Otto Matic
solution date
2019-Nov-07 12:53:40
Additional Information
Earth MOID
= 1.51026 au
Jupiter MOID
= 1.64953 au
T_jup
= 3.075
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.5
n/a
MPO432619
diameter
diameter
7.372
km
0.190
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.043
0.003
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
109741 (2001 RA64)
Discovered 2001-Sep-10 by LINEAR at Socorro
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
2001 RA64
= 1999 CL41
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
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Close-Approach Data
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2019-Dec-14 11:10 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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