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JPL Small-Body Database Browser
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392943 (2012 WV7)
Classification:
Main-belt Asteroid
SPK-ID:
2392943
[
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
.2099546397760468
7.7048e-08
a
2.537789819763308
3.4938e-08
au
q
2.004969072327584
1.96e-07
au
i
14.70819545898017
8.1912e-06
deg
node
46.02152358055258
1.8676e-05
deg
peri
136.0607402872408
2.5624e-05
deg
M
118.5581638399005
1.7902e-05
deg
t
p
2458114.192612451324
(2017-Dec-26.69261245)
7.4007e-05
TDB
period
1476.664734399368
4.04
3.0494e-05
8.349e-08
d
yr
n
.2437926440671922
5.0345e-09
deg/d
Q
3.070610567199032
4.2273e-08
au
Orbit Determination Parameters
# obs. used (total)
238
data-arc span
3518 days (9.63 yr)
first obs. used
2008-10-29
last obs. used
2018-06-17
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.48886
source
ORB
producer
Otto Matic
solution date
2018-Oct-04 11:45:30
Additional Information
Earth MOID
= 1.03023 au
Jupiter MOID
= 1.95222 au
T_jup
= 3.371
[ hide covariance matrix ]
Orbital Elements at Epoch 2457412.5 (2016-Jan-25.0) TDB
Reference:
JPL 15
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2094237190816228
7.7274e-08
q
2.007238552776546
1.9663e-07
au
t
p
2458114.383215604910
(2017-Dec-26.88321560)
7.4007e-05
TDB
node
46.0311746353281
1.8672e-05
deg
peri
136.1318173027132
2.5602e-05
deg
i
14.70753320942849
8.1901e-06
deg
Orbit Determination Parameters
# obs. used (total)
238
data-arc span
3518 days (9.63 yr)
first obs. used
2008-10-29
last obs. used
2018-06-17
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.48886
source
ORB
producer
Otto Matic
solution date
2018-Oct-04 11:45:30
Additional Information
Jupiter MOID
= 1.95222 au
T_jup
= 3.371
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
5.971275693954513E-15
-1.504319520338165E-14
3.691967424641334E-12
7.193864154511197E-14
6.11758230656747E-13
6.710627308831146E-16
q
-1.504319520338165E-14
3.866146035252654E-14
-9.630764914894307E-12
-1.858141930432929E-13
-1.710189787376062E-12
3.786816475681927E-15
tp
3.691967424641334E-12
-9.630764914894307E-12
5.476994173861867E-9
6.170261072123532E-11
1.261090484326268E-9
-1.069848791216324E-11
node
7.193864154511197E-14
-1.858141930432929E-13
6.170261072123532E-11
3.486606249823525E-10
-3.228094657834965E-10
7.65461599469451E-12
peri
6.11758230656747E-13
-1.710189787376062E-12
1.261090484326268E-9
-3.228094657834965E-10
6.554819154069208E-10
-1.090886464843558E-11
i
6.710627308831146E-16
3.786816475681927E-15
-1.069848791216324E-11
7.65461599469451E-12
-1.090886464843558E-11
6.707796314319959E-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
16.2
n/a
MPO450379
diameter
diameter
3.834
km
0.107
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
392943 (2012 WV7)
Discovered 2008-Oct-29 by Spacewatch at Kitt Peak
Reference:
Last Updated:
2014-04-17
[ show close-approach data ]
Alternate Designations
2012 WV7
= 2008 XL56 = 2010 DQ57
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-11 14:59 UT
(server date/time)
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