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JPL Small-Body Database Browser
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46949 (1998 SL117)
Classification:
Main-belt Asteroid
SPK-ID:
2046949
[
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 27
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1045309660015886
3.9938e-08
a
2.591335350353682
1.3359e-08
au
q
2.320460562947146
1.078e-07
au
i
10.09872942571231
4.2312e-06
deg
node
214.5909742873019
2.0945e-05
deg
peri
355.5168415053979
2.8368e-05
deg
M
139.3998318613713
2.1706e-05
deg
t
p
2458010.511419895958
(2017-Sep-14.01141990)
8.9711e-05
TDB
period
1523.645229706419
4.17
1.1783e-05
3.226e-08
d
yr
n
.2362754747503565
1.8272e-09
deg/d
Q
2.862210137760217
1.4756e-08
au
Orbit Determination Parameters
# obs. used (total)
1658
data-arc span
9169 days (25.10 yr)
first obs. used
1994-10-26
last obs. used
2019-12-03
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.49928
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 03:59:08
Additional Information
Earth MOID
= 1.31516 au
Jupiter MOID
= 2.10739 au
T_jup
= 3.390
[ hide covariance matrix ]
Orbital Elements at Epoch 2456741.5 (2014-Mar-25.0) TDB
Reference:
JPL 27
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1040662302423979
3.9884e-08
q
2.322521248313542
1.0767e-07
au
t
p
2456488.382750244739
(2013-Jul-14.88275024)
8.587e-05
TDB
node
214.6118227471886
2.0955e-05
deg
peri
356.0259166433503
2.849e-05
deg
i
10.09440243667313
4.2304e-06
deg
Orbit Determination Parameters
# obs. used (total)
1658
data-arc span
9169 days (25.10 yr)
first obs. used
1994-10-26
last obs. used
2019-12-03
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.49928
source
ORB
producer
Otto Matic
solution date
2019-Dec-14 03:59:08
Additional Information
Jupiter MOID
= 2.10739 au
T_jup
= 3.390
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
1.590757637098271E-15
-4.270203572425559E-15
-8.687671164739942E-13
-6.450907942531964E-15
-1.917793354918284E-13
-5.500123872501083E-16
q
-4.270203572425559E-15
1.159306126667614E-14
2.595333507662975E-12
1.75963327448615E-14
5.774068151737685E-13
1.538621501025008E-15
tp
-8.687671164739942E-13
2.595333507662975E-12
7.373576488863613E-9
1.190591268126151E-11
1.670785300972968E-9
-1.179377438134358E-12
node
-6.450907942531964E-15
1.75963327448615E-14
1.190591268126151E-11
4.391179686144556E-10
-4.293530738899655E-10
-1.179338045434198E-11
peri
-1.917793354918284E-13
5.774068151737685E-13
1.670785300972968E-9
-4.293530738899655E-10
8.116586411970359E-10
1.137409729546029E-11
i
-5.500123872501083E-16
1.538621501025008E-15
-1.179377438134358E-12
-1.179338045434198E-11
1.137409729546029E-11
1.789664549888843E-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
14.0
n/a
MPO412498
diameter
diameter
4.182
km
0.164
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.176
0.036
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
46949 (1998 SL117)
Discovered 1998-Sep-26 by LINEAR at Socorro
Reference:
20020921/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
1998 SL117
= 2000 AE166
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-14 19:02 UT
(server date/time)
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Ryan S. Park
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