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JPL Small-Body Database Browser
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109767 (2001 RH78)
Classification:
Outer Main-belt Asteroid
SPK-ID:
2109767
[
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 22
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07232114683853877
5.4805e-08
a
3.240698237026385
3.0476e-08
au
q
3.006327223967006
1.7869e-07
au
i
19.47213026296413
7.095e-06
deg
node
18.51065199303593
1.5867e-05
deg
peri
285.2524377658716
5.1204e-05
deg
M
76.7144484028822
5.0585e-05
deg
t
p
2458146.421455078812
(2018-Jan-27.92145508)
0.00029913
TDB
period
2130.866865041372
5.83
3.0059e-05
8.23e-08
d
yr
n
.1689453273248071
2.3832e-09
deg/d
Q
3.475069250085764
3.268e-08
au
Orbit Determination Parameters
# obs. used (total)
760
data-arc span
6675 days (18.28 yr)
first obs. used
2001-08-28
last obs. used
2019-12-07
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54415
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 09:07:24
Additional Information
Earth MOID
= 2.06276 au
Jupiter MOID
= 1.78767 au
T_jup
= 3.090
[ 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
13.9
n/a
MPO381927
diameter
diameter
8.970
km
0.489
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.073
0.006
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
109767 (2001 RH78)
Discovered 2001-Sep-10 by LINEAR at Socorro
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
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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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Close-Approach Data
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2019-Dec-15 06:02 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin