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JPL Small-Body Database Browser
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74745 (1999 RZ191)
Classification:
Main-belt Asteroid
SPK-ID:
2074745
[
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 19
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.2697352576338357
4.9126e-08
a
2.361107126164793
1.4154e-08
au
q
1.724233287187648
1.1598e-07
au
i
13.09288757439874
5.3777e-06
deg
node
91.96855245852302
2.1613e-05
deg
peri
204.1606017735597
2.3019e-05
deg
M
180.4306882604231
8.0846e-06
deg
t
p
2459261.500186663950
(2021-Feb-16.00018666)
3.117e-05
TDB
period
1325.171126924668
3.63
1.1916e-05
3.262e-08
d
yr
n
.2716630272766765
2.4427e-09
deg/d
Q
2.997980965141939
1.7971e-08
au
Orbit Determination Parameters
# obs. used (total)
559
data-arc span
7051 days (19.30 yr)
first obs. used
1999-09-11
last obs. used
2018-12-31
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.54729
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 04:46:28
Additional Information
Earth MOID
= .715448 au
Jupiter MOID
= 2.22538 au
T_jup
= 3.467
[ 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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Discovery Circumstances
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.6
n/a
MPO381766
diameter
diameter
5.058
km
0.013
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.042
0.004
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
74745 (1999 RZ191)
Discovered 1999-Sep-11 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
1999 RZ191
= 2000 YD114
[
Ephemeris
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Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
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Discovery Circumstances
]
2019-Dec-06 00:54 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
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