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JPL Small-Body Database Browser
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74786 (1999 SY)
Classification:
Main-belt Asteroid
SPK-ID:
2074786
[
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 18
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1838065580781749
3.6548e-08
a
2.384449963115122
8.8507e-09
au
q
1.946172422485301
8.6645e-08
au
i
2.454529023841734
4.099e-06
deg
node
166.2413748998174
9.8994e-05
deg
peri
288.4200064828649
9.9769e-05
deg
M
47.51437694913929
1.1182e-05
deg
t
p
2458422.997986073723
(2018-Oct-31.49798607)
4.1624e-05
TDB
period
1344.871365604999
3.68
7.4879e-06
2.05e-08
d
yr
n
.2676835935443176
1.4904e-09
deg/d
Q
2.822727503744944
1.0477e-08
au
Orbit Determination Parameters
# obs. used (total)
1041
data-arc span
15168 days (41.53 yr)
first obs. used
1977-10-17
last obs. used
2019-04-28
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.52214
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 09:01:05
Additional Information
Earth MOID
= .964651 au
Jupiter MOID
= 2.36011 au
T_jup
= 3.512
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
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Discovery Circumstances
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.8
n/a
MPO426454
74786 (1999 SY)
Discovered 1999-Sep-16 by Spacewatch at Kitt Peak
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1999 SY
= 2001 FS159
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
|
Close-Approach Data
]
2019-Dec-12 09:08 UT
(server date/time)
Site Manager:
Ryan S. Park
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