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JPL Small-Body Database Browser
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109779 (2001 RB84)
Classification:
Outer Main-belt Asteroid
SPK-ID:
2109779
[
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 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.117697114859637
3.7671e-08
a
3.203506330616484
2.8015e-08
au
q
2.826462878068341
1.2216e-07
au
i
5.607470143018566
6.3922e-06
deg
node
349.0680384070935
4.3533e-05
deg
peri
270.3762908902966
5.1239e-05
deg
M
107.7654997453868
2.7236e-05
deg
t
p
2457973.577216490893
(2017-Aug-08.07721649)
0.00015805
TDB
period
2094.289940625825
5.73
2.7472e-05
7.521e-08
d
yr
n
.1718959696155649
2.2549e-09
deg/d
Q
3.580549783164626
3.1312e-08
au
Orbit Determination Parameters
# obs. used (total)
762
data-arc span
6650 days (18.21 yr)
first obs. used
2001-08-23
last obs. used
2019-11-07
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57795
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 10:17:45
Additional Information
Earth MOID
= 1.81841 au
Jupiter MOID
= 1.54132 au
T_jup
= 3.175
[ 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
14.4
n/a
MPO412774
109779 (2001 RB84)
Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
2001 RB84
= 2001 QQ212
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-05 16:32 UT
(server date/time)
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