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JPL Small-Body Database Browser
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305561 (2008 VA23)
Classification:
Main-belt Asteroid
SPK-ID:
2305561
[
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 8
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.04715109421790404
7.6163e-08
a
2.438230945243397
2.7368e-08
au
q
2.323265688219216
1.7919e-07
au
i
8.251772294538041
7.3122e-06
deg
node
90.8017434248902
5.8515e-05
deg
peri
49.76916303282265
0.00010801
deg
M
238.2748951353161
9.5189e-05
deg
t
p
2459070.706189708104
(2020-Aug-09.20618971)
0.00037092
TDB
period
1390.627089482418
3.81
2.3414e-05
6.41e-08
d
yr
n
.2588760155204438
4.3586e-09
deg/d
Q
2.553196202267578
2.8658e-08
au
Orbit Determination Parameters
# obs. used (total)
115
data-arc span
6889 days (18.86 yr)
first obs. used
2000-12-25
last obs. used
2019-11-05
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5381
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 21:13:31
Additional Information
Earth MOID
= 1.34695 au
Jupiter MOID
= 2.47316 au
T_jup
= 3.487
[ hide covariance matrix ]
Orbital Elements at Epoch 2457174.5 (2015-Jun-01.0) TDB
Reference:
JPL 8
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.04632248699656492
7.6604e-08
q
2.325582148210195
1.8e-07
au
t
p
2457682.234580296344
(2016-Oct-20.73458030)
0.00036637
TDB
node
90.85157806597499
5.8556e-05
deg
peri
50.30721438546478
0.00010899
deg
i
8.248733213951475
7.3091e-06
deg
Orbit Determination Parameters
# obs. used (total)
115
data-arc span
6889 days (18.86 yr)
first obs. used
2000-12-25
last obs. used
2019-11-05
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5381
source
ORB
producer
Otto Matic
solution date
2019-Dec-04 21:13:31
Additional Information
Jupiter MOID
= 2.47316 au
T_jup
= 3.487
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
5.86816926615402E-15
-1.365713813617706E-14
6.720341548549895E-12
-4.097176505584314E-14
1.764246649874418E-12
-5.02990925943776E-16
q
-1.365713813617706E-14
3.239912274179697E-14
-1.297372151255382E-11
1.025595346774347E-13
-3.489320935197573E-12
2.668819868953892E-15
tp
6.720341548549895E-12
-1.297372151255382E-11
1.342277758176597E-7
1.421823646284024E-10
3.375104867638384E-8
1.38435750845542E-11
node
-4.097176505584314E-14
1.025595346774347E-13
1.421823646284024E-10
3.428863223853478E-9
-3.356577974893231E-9
5.949551897514599E-12
peri
1.764246649874418E-12
-3.489320935197573E-12
3.375104867638384E-8
-3.356577974893231E-9
1.187874625646203E-8
-2.381257156194418E-12
i
-5.02990925943776E-16
2.668819868953892E-15
1.38435750845542E-11
5.949551897514599E-12
-2.381257156194418E-12
5.342248568436938E-11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
17.0
n/a
MPO455250
305561 (2008 VA23)
Discovered 2008-Nov-01 by Mt. Lemmon Survey at Mount Lemmon
Reference:
20111110/Numbers.arc
Last Updated:
2011-11-14
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-13 21:45 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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Alan B. Chamberlin