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JPL Small-Body Database Browser
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249635 (1999 TQ120)
Classification:
Main-belt Asteroid
SPK-ID:
2249635
[
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 11
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2769655184222789
4.8758e-08
a
2.386534757968828
1.5958e-08
au
q
1.725546921495204
1.1886e-07
au
i
1.942316777141038
5.1261e-06
deg
node
269.9578350893177
0.00017789
deg
peri
58.78520298685049
0.00017826
deg
M
136.9013347043234
1.4969e-05
deg
t
p
2458088.399435917979
(2017-Nov-30.89943592)
5.2335e-05
TDB
period
1346.635542069011
3.69
1.3507e-05
3.698e-08
d
yr
n
.2673329113583957
2.6814e-09
deg/d
Q
3.047522594442452
2.0378e-08
au
Orbit Determination Parameters
# obs. used (total)
226
data-arc span
7027 days (19.24 yr)
first obs. used
1999-09-18
last obs. used
2018-12-14
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.59644
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 13:34:20
Additional Information
Earth MOID
= .714439 au
Jupiter MOID
= 2.31785 au
T_jup
= 3.481
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.9
n/a
MPO418333
249635 (1999 TQ120)
Discovered 1999-Oct-04 by LINEAR at Socorro
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[ show close-approach data ]
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-14 17:28 UT
(server date/time)
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