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JPL Small-Body Database Browser
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74261 (1998 SO84)
Classification:
Main-belt Asteroid
SPK-ID:
2074261
[
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
.1928898100760867
5.5588e-08
a
2.348782754229835
1.3647e-08
au
q
1.895726494856455
1.3191e-07
au
i
6.153421530474884
5.7018e-06
deg
node
38.69258627209699
5.3397e-05
deg
peri
191.7365158899375
5.6159e-05
deg
M
7.977366934700678
1.8073e-05
deg
t
p
2458571.364681567109
(2019-Mar-28.86468157)
6.5974e-05
TDB
period
1314.809099505729
3.60
1.1459e-05
3.137e-08
d
yr
n
.2738040070876702
2.3863e-09
deg/d
Q
2.801839013603216
1.6279e-08
au
Orbit Determination Parameters
# obs. used (total)
762
data-arc span
10074 days (27.58 yr)
first obs. used
1991-10-06
last obs. used
2019-05-06
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5986
source
ORB
producer
Otto Matic
solution date
2019-May-30 05:41:22
Additional Information
Earth MOID
= .886026 au
Jupiter MOID
= 2.19072 au
T_jup
= 3.526
[ 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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.4
n/a
MPO432295
diameter
diameter
4.940
km
1.004
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)
geometric albedo
albedo
0.046
0.030
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)
74261 (1998 SO84)
Discovered 1998-Sep-26 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1998 SO84
= 2002 TS256
[
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
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2019-Dec-05 17:52 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin