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JPL Small-Body Database Browser
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447227 (2005 UZ81)
Classification:
Main-belt Asteroid
SPK-ID:
2447227
[
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 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.04766560822835299
2.4183e-07
a
2.881433923128262
8.6615e-08
au
q
2.744088622612544
6.4389e-07
au
i
1.069742253018815
1.3555e-05
deg
node
249.2379308038136
0.00068094
deg
peri
184.8936507279787
0.00093465
deg
M
232.2601641058936
0.00060312
deg
t
p
2459234.421201819244
(2021-Jan-19.92120182)
0.0029742
TDB
period
1786.534568935177
4.89
8.0554e-05
2.205e-07
d
yr
n
.2015074358256441
9.0859e-09
deg/d
Q
3.01877922364398
9.0744e-08
au
Orbit Determination Parameters
# obs. used (total)
51
data-arc span
5075 days (13.89 yr)
first obs. used
2003-04-01
last obs. used
2017-02-21
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.6476
source
ORB
producer
Otto Matic
solution date
2017-Apr-09 11:41:36
Additional Information
Earth MOID
= 1.75869 au
Jupiter MOID
= 2.11163 au
T_jup
= 3.292
[ hide covariance matrix ]
Orbital Elements at Epoch 2456738.5 (2014-Mar-22.0) TDB
Reference:
JPL 9
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.04662694621159105
2.7264e-07
q
2.748454064471703
7.4019e-07
au
t
p
2457428.914468225954
(2016-Feb-10.41446823)
0.0030567
TDB
node
249.4493540917223
0.00068564
deg
peri
181.1581100740472
0.0009418
deg
i
1.064500429445333
1.3535e-05
deg
Orbit Determination Parameters
# obs. used (total)
51
data-arc span
5075 days (13.89 yr)
first obs. used
2003-04-01
last obs. used
2017-02-21
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.6476
source
ORB
producer
Otto Matic
solution date
2017-Apr-09 11:41:36
Additional Information
Jupiter MOID
= 2.11163 au
T_jup
= 3.292
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
7.43314017475141E-14
-2.011613325511463E-13
-7.552298087242747E-10
-4.166799068148273E-12
-1.595608717454731E-10
3.861617012148104E-14
q
-2.011613325511463E-13
5.478831459071923E-13
2.03694081279435E-9
1.124638800914998E-11
4.30050236519552E-10
-1.028630560696684E-13
tp
-7.552298087242747E-10
2.03694081279435E-9
9.343477256284496E-6
4.836877659572957E-8
1.974428687233743E-6
-5.134598952223299E-10
node
-4.166799068148273E-12
1.124638800914998E-11
4.836877659572957E-8
4.700960038111728E-7
-4.595326724554972E-7
-3.752802966784164E-9
peri
-1.595608717454731E-10
4.30050236519552E-10
1.974428687233743E-6
-4.595326724554972E-7
8.869957564330031E-7
3.640978247663734E-9
i
3.861617012148104E-14
-1.028630560696684E-13
-5.134598952223299E-10
-3.752802966784164E-9
3.640978247663734E-9
1.831910961482366E-10
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
17.7
n/a
MPO357070
447227 (2005 UZ81)
Discovered 2005-Oct-11 by Spacewatch at Kitt Peak
Reference:
Last Updated:
2015-10-28
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-06 00:50 UT
(server date/time)
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Ryan S. Park
Webmaster
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Alan B. Chamberlin