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JPL Small-Body Database Browser
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109749 (2001 RO68)
Classification:
Main-belt Asteroid
SPK-ID:
2109749
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 20
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1101535435641943
4.2634e-08
a
3.095774114316974
2.1833e-08
au
q
2.754763625550654
1.3607e-07
au
i
8.147816263308181
4.3313e-06
deg
node
233.2961950829241
3.4361e-05
deg
peri
154.9775974413887
3.9702e-05
deg
M
69.22815568114383
2.0089e-05
deg
t
p
2458217.910907264409
(2018-Apr-09.41090726)
0.00011003
TDB
period
1989.538389830714
5.45
2.1047e-05
5.762e-08
d
yr
n
.1809464958505433
1.9142e-09
deg/d
Q
3.436784603083294
2.4238e-08
au
Orbit Determination Parameters
# obs. used (total)
869
data-arc span
6640 days (18.18 yr)
first obs. used
2001-08-31
last obs. used
2019-11-05
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.55157
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 10:17:24
Additional Information
Earth MOID
= 1.76213 au
Jupiter MOID
= 1.99641 au
T_jup
= 3.199
[ 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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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.1
n/a
MPO432619
diameter
diameter
4.729
km
0.755
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.218
0.057
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
109749 (2001 RO68)
Discovered 2001-Sep-10 by LINEAR at Socorro
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[
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
]
2019-Dec-14 16:47 UT
(server date/time)
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Ryan S. Park
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