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JPL Small-Body Database Browser
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249651 (1999 TH266)
Classification:
Main-belt Asteroid
SPK-ID:
2249651
[
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 15
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1839709976215098
7.8069e-08
a
3.12802424695276
2.5888e-08
au
q
2.552558505656589
2.3986e-07
au
i
16.71561141369911
8.3001e-06
deg
node
216.5748516646415
1.882e-05
deg
peri
198.6069199546004
2.3129e-05
deg
M
161.192711141454
1.3804e-05
deg
t
p
2457695.712707872633
(2016-Nov-03.21270787)
7.2928e-05
TDB
period
2020.708150258821
5.53
2.5086e-05
6.868e-08
d
yr
n
.1781553659561821
2.2117e-09
deg/d
Q
3.703489988248932
3.0651e-08
au
Orbit Determination Parameters
# obs. used (total)
398
data-arc span
7213 days (19.75 yr)
first obs. used
1999-09-09
last obs. used
2019-06-09
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.59353
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 04:18:55
Additional Information
Earth MOID
= 1.56787 au
Jupiter MOID
= 1.71805 au
T_jup
= 3.123
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.9
n/a
MPO437159
249651 (1999 TH266)
Discovered 1999-Oct-03 by LINEAR at Socorro
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-15 21:07 UT
(server date/time)
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Ryan S. Park
Webmaster
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