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118103 (2279 T-3)
Classification:
Main-belt Asteroid
SPK-ID:
2118103
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference:
JPL 21
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.07324755991013197
4.423e-08
a
3.046447130139677
2.3715e-08
au
q
2.823302311461722
1.3305e-07
au
i
8.808407573753176
5.038e-06
deg
node
216.0811517225821
2.6247e-05
deg
peri
167.2782824838095
4.0575e-05
deg
M
42.36433301341907
2.9331e-05
deg
t
p
2458971.947083473470
(2020-May-02.44708347)
0.00015891
TDB
period
1942.177395392687
5.32
2.2678e-05
6.209e-08
d
yr
n
.185358969193034
2.1644e-09
deg/d
Q
3.269591948817633
2.5452e-08
au
Orbit Determination Parameters
# obs. used (total)
557
data-arc span
15810 days (43.29 yr)
first obs. used
1977-10-07
last obs. used
2021-01-19
planetary ephem.
DE441
SB-pert. ephem.
SB441-N16
condition code
0
norm. resid. RMS
.51902
source
ORB
producer
Otto Matic
solution date
2021-Apr-13 16:55:43
Additional Information
Earth MOID
= 1.82662 au
Jupiter MOID
= 2.14366 au
T_jup
= 3.216
[ show covariance matrix ]
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Orbital Elements
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.0
n/a
MPO449689
diameter
diameter
3.361
km
0.733
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.171
0.095
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
118103 (2279 T-3)
Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
2279 T-3
= 2004 XR8
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2021-Apr-21 22:12 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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