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JPL Small-Body Database Browser
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109918 (2001 SY27)
Classification:
Main-belt Asteroid
SPK-ID:
2109918
[
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 17
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.116522487207103
4.0709e-08
a
3.108457922546515
2.5118e-08
au
q
2.746252674032771
1.2295e-07
au
i
17.7258974706631
5.7048e-06
deg
node
180.1158921346732
1.5275e-05
deg
peri
96.94189454008828
3.0368e-05
deg
M
153.6098649827723
2.5091e-05
deg
t
p
2457746.353190615401
(2016-Dec-23.85319062)
0.00013897
TDB
period
2001.778020005041
5.48
2.4264e-05
6.643e-08
d
yr
n
.1798401203341684
2.1798e-09
deg/d
Q
3.470663171060259
2.8045e-08
au
Orbit Determination Parameters
# obs. used (total)
440
data-arc span
8591 days (23.52 yr)
first obs. used
1995-07-19
last obs. used
2019-01-25
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.57945
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 10:03:08
Additional Information
Earth MOID
= 1.80196 au
Jupiter MOID
= 1.82751 au
T_jup
= 3.136
[ 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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Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.0
n/a
MPO240943
diameter
diameter
6.394
km
0.125
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.043
0.005
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
109918 (2001 SY27)
Discovered 2001-Sep-16 by LINEAR at Socorro
Reference:
20051019/Numbers.arc
Last Updated:
2005-10-26
[ show close-approach data ]
Alternate Designations
2001 SY27
= 1995 OC2
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
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Mission Design
|
Physical Parameters
|
Discovery Circumstances
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Close-Approach Data
]
2019-Dec-16 13:31 UT
(server date/time)
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Ryan S. Park
Webmaster
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Alan B. Chamberlin