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JPL Small-Body Database Browser
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46548 (1989 SK1)
Classification:
Main-belt Asteroid
SPK-ID:
2046548
[
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 18
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2225140833117752
4.7639e-08
a
2.681354889646202
1.521e-08
au
q
2.084715664343031
1.3519e-07
au
i
4.610017364000722
3.8934e-06
deg
node
56.90528016528551
5.1449e-05
deg
peri
279.0035933859773
5.2298e-05
deg
M
289.9421890151066
9.2833e-06
deg
t
p
2458912.592934962340
(2020-Mar-04.09293496)
4.2628e-05
TDB
period
1603.724909570315
4.39
1.3646e-05
3.736e-08
d
yr
n
.2244774012373822
1.9101e-09
deg/d
Q
3.277994114949372
1.8595e-08
au
Orbit Determination Parameters
# obs. used (total)
836
data-arc span
10920 days (29.90 yr)
first obs. used
1989-09-26
last obs. used
2019-08-20
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52329
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 02:11:43
Additional Information
Earth MOID
= 1.08045 au
Jupiter MOID
= 2.12259 au
T_jup
= 3.336
[ hide covariance matrix ]
Orbital Elements at Epoch 2456857.5 (2014-Jul-19.0) TDB
Reference:
JPL 18
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2232770827645461
4.7687e-08
q
2.080756377448279
1.3523e-07
au
t
p
2457312.147025652384
(2015-Oct-16.64702565)
3.779e-05
TDB
node
56.90640351672487
5.1458e-05
deg
peri
279.4399209687608
5.2303e-05
deg
i
4.611576657329612
3.8934e-06
deg
Orbit Determination Parameters
# obs. used (total)
836
data-arc span
10920 days (29.90 yr)
first obs. used
1989-09-26
last obs. used
2019-08-20
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52329
source
ORB
producer
Otto Matic
solution date
2019-Sep-24 02:11:43
Additional Information
Jupiter MOID
= 2.12259 au
T_jup
= 3.336
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
2.274028269512159E-15
-6.432699368618355E-15
-3.108417111339246E-13
1.49744939128816E-14
2.224175329097824E-14
-4.462870069239961E-15
q
-6.432699368618355E-15
1.828610063689011E-14
9.158492728401227E-13
-4.435804502311393E-14
-5.827339291266737E-14
1.286329129133733E-14
tp
-3.108417111339246E-13
9.158492728401227E-13
1.428078608551859E-9
-1.455382575283523E-11
3.629420633546212E-10
1.65822465327973E-12
node
1.49744939128816E-14
-4.435804502311393E-14
-1.455382575283523E-11
2.647906946458205E-9
-2.64191419392558E-9
2.387361197534681E-11
peri
2.224175329097824E-14
-5.827339291266737E-14
3.629420633546212E-10
-2.64191419392558E-9
2.735595375403362E-9
-2.361332170546915E-11
i
-4.462870069239961E-15
1.286329129133733E-14
1.65822465327973E-12
2.387361197534681E-11
-2.361332170546915E-11
1.51587479648884E-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
14.9
n/a
MPO436107
diameter
diameter
5.881
km
0.112
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.063
0.013
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
46548 (1989 SK1)
Discovered 1989-Sep-26 by Elst, E. W. at La Silla
Reference:
20020921/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
1989 SK1
= 1998 UN24
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-06 23:23 UT
(server date/time)
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Ryan S. Park
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