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JPL Small-Body Database Browser
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74349 (1998 VM54)
Classification:
Main-belt Asteroid
SPK-ID:
2074349
[
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 19
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.13787378168146
5.8522e-08
a
2.759644888046394
2.0201e-08
au
q
2.379162211233528
1.6251e-07
au
i
13.76250764484516
6.1327e-06
deg
node
321.4033888301055
2.0437e-05
deg
peri
353.2188945634444
2.8611e-05
deg
M
248.9904070442183
2.2626e-05
deg
t
p
2459116.840554819068
(2020-Sep-24.34055482)
0.0001077
TDB
period
1674.473302581218
4.58
1.8386e-05
5.034e-08
d
yr
n
.2149929768632658
2.3607e-09
deg/d
Q
3.14012756485926
2.2986e-08
au
Orbit Determination Parameters
# obs. used (total)
810
data-arc span
7483 days (20.49 yr)
first obs. used
1998-11-14
last obs. used
2019-05-11
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.5736
source
ORB
producer
Otto Matic
solution date
2019-May-30 05:41:27
Additional Information
Earth MOID
= 1.36534 au
Jupiter MOID
= 2.16806 au
T_jup
= 3.287
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.5
n/a
MPO290959
diameter
diameter
3.455
km
0.621
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.147
0.088
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
74349 (1998 VM54)
Discovered 1998-Nov-14 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1998 VM54
= 2000 CG123
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-15 18:39 UT
(server date/time)
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