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JPL Small-Body Database Browser
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74966 (1999 TB208)
Classification:
Main-belt Asteroid
SPK-ID:
2074966
[
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 21
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1371856285558093
6.9423e-08
a
2.339759668052681
1.5317e-08
au
q
2.018778267321342
1.6605e-07
au
i
25.81293704049386
6.967e-06
deg
node
343.5415580679933
1.055e-05
deg
peri
171.7527737757253
2.1782e-05
deg
M
50.90129718806964
1.7915e-05
deg
t
p
2458415.666089443717
(2018-Oct-24.16608944)
6.4503e-05
TDB
period
1307.239922676427
3.58
1.2836e-05
3.514e-08
d
yr
n
.2753893862596703
2.7042e-09
deg/d
Q
2.660741068784019
1.7418e-08
au
Orbit Determination Parameters
# obs. used (total)
696
data-arc span
7111 days (19.47 yr)
first obs. used
1999-10-14
last obs. used
2019-04-03
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57539
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 06:45:29
Additional Information
Earth MOID
= 1.02957 au
Jupiter MOID
= 2.3295 au
T_jup
= 3.420
[ 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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Discovery Circumstances
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.1
n/a
MPO337823
diameter
diameter
5.275
km
1.071
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)
geometric albedo
albedo
0.067
0.037
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)
74966 (1999 TB208)
Discovered 1999-Oct-14 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
1999 TB208
= 2002 PW77
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-11 03:47 UT
(server date/time)
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Ryan S. Park
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