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JPL Small-Body Database Browser
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173268 (1999 RY190)
Classification:
Main-belt Asteroid
SPK-ID:
2173268
[
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 12
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2360405523159976
5.9604e-08
a
2.352825125844746
1.1283e-08
au
q
1.797462983637396
1.4527e-07
au
i
5.129814338775485
4.8341e-06
deg
node
289.2407853919491
5.9285e-05
deg
peri
55.96671827831918
6.0511e-05
deg
M
157.0144493682486
9.6465e-06
deg
t
p
2458025.563314888657
(2017-Sep-29.06331489)
3.4133e-05
TDB
period
1318.204837025261
3.61
9.4821e-06
2.596e-08
d
yr
n
.273098679270816
1.9644e-09
deg/d
Q
2.908187268052097
1.3946e-08
au
Orbit Determination Parameters
# obs. used (total)
456
data-arc span
7127 days (19.51 yr)
first obs. used
1999-08-08
last obs. used
2019-02-11
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.48476
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 12:28:55
Additional Information
Earth MOID
= .795006 au
Jupiter MOID
= 2.52307 au
T_jup
= 3.513
[ show covariance matrix ]
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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
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Close-Approach Data
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.5
n/a
MPO264384
diameter
diameter
1.397
km
0.310
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.273
0.099
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
173268 (1999 RY190)
Discovered 1999-Sep-10 by LINEAR at Socorro
Reference:
20080122/Numbers.arc
Last Updated:
2008-01-28
[ show close-approach data ]
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Orbital Elements
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Close-Approach Data
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2019-Dec-10 13:42 UT
(server date/time)
Site Manager:
Ryan S. Park
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