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JPL Small-Body Database Browser
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447238 (2005 US191)
Classification:
Main-belt Asteroid
SPK-ID:
2447238
[
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 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1210249874519295
8.9027e-08
a
3.099588342752422
4.931e-08
au
q
2.724460702464663
2.6791e-07
au
i
6.098301717253491
9.8922e-06
deg
node
42.39121376444729
7.8553e-05
deg
peri
25.31271586356548
9.2153e-05
deg
M
159.573473216113
4.272e-05
deg
t
p
2457716.987593688770
(2016-Nov-24.48759369)
0.00023277
TDB
period
1993.216415370509
5.46
4.7564e-05
1.302e-07
d
yr
n
.180612600430085
4.31e-09
deg/d
Q
3.474715983040181
5.5278e-08
au
Orbit Determination Parameters
# obs. used (total)
113
data-arc span
4526 days (12.39 yr)
first obs. used
2005-10-27
last obs. used
2018-03-19
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60513
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 05:43:01
Additional Information
Earth MOID
= 1.73947 au
Jupiter MOID
= 1.84271 au
T_jup
= 3.202
[ hide covariance matrix ]
Orbital Elements at Epoch 2457129.5 (2015-Apr-17.0) TDB
Reference:
JPL 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1228632015190785
8.9294e-08
q
2.716355943998568
2.6995e-07
au
t
p
2457715.851212255624
(2016-Nov-23.35121226)
0.00022738
TDB
node
42.39500905908631
7.8532e-05
deg
peri
24.8354332796759
9.1604e-05
deg
i
6.101911763623653
9.8944e-06
deg
Orbit Determination Parameters
# obs. used (total)
113
data-arc span
4526 days (12.39 yr)
first obs. used
2005-10-27
last obs. used
2018-03-19
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.60513
source
ORB
producer
Otto Matic
solution date
2019-Jul-14 05:43:01
Additional Information
Jupiter MOID
= 1.84271 au
T_jup
= 3.202
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
7.973397661651025E-15
-2.380426996242841E-14
-1.366703189657452E-12
1.214574744982044E-13
-4.613951231759839E-13
-8.635799013191287E-15
q
-2.380426996242841E-14
7.287107907502424E-14
5.1592700452431E-12
-3.70989819055873E-13
1.475224415877271E-12
2.662581505945592E-14
tp
-1.366703189657452E-12
5.1592700452431E-12
5.170250420321176E-8
-4.206330152652957E-11
1.077069788209994E-8
7.228990077547315E-12
node
1.214574744982044E-13
-3.70989819055873E-13
-4.206330152652957E-11
6.167213439168044E-9
-6.140386833999398E-9
8.510997220671819E-11
peri
-4.613951231759839E-13
1.475224415877271E-12
1.077069788209994E-8
-6.140386833999398E-9
8.39133890166705E-9
-8.33609564402973E-11
i
-8.635799013191287E-15
2.662581505945592E-14
7.228990077547315E-12
8.510997220671819E-11
-8.33609564402973E-11
9.78993579413154E-11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.8
n/a
MPO437739
447238 (2005 US191)
Discovered 2005-Oct-27 by Mt. Lemmon Survey at Mount Lemmon
Reference:
Last Updated:
2015-10-28
[ show close-approach data ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-06 01:09 UT
(server date/time)
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