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JPL Small-Body Database Browser
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74779 (1999 RF241)
Classification:
Mars-crossing Asteroid
SPK-ID:
2074779
[
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 19
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.3080252918081958
4.577e-08
a
2.353685128485596
1.3475e-08
au
q
1.628690579959209
1.0723e-07
au
i
23.90012496200902
7.406e-06
deg
node
71.24100086822401
1.8078e-05
deg
peri
44.9027384623888
2.3492e-05
deg
M
85.87341873657927
1.529e-05
deg
t
p
2458285.886594191152
(2018-Jun-16.38659419)
5.4635e-05
TDB
period
1318.927646733366
3.61
1.1326e-05
3.101e-08
d
yr
n
.2729490134592481
2.3439e-09
deg/d
Q
3.078679677011983
1.7625e-08
au
Orbit Determination Parameters
# obs. used (total)
779
data-arc span
9662 days (26.45 yr)
first obs. used
1992-11-26
last obs. used
2019-05-11
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.48437
source
ORB
producer
Otto Matic
solution date
2019-May-30 05:42:01
Additional Information
Earth MOID
= .703447 au
Jupiter MOID
= 2.31924 au
T_jup
= 3.381
[ 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
|
Close-Approach Data
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
14.5
n/a
MPO436306
diameter
diameter
2.769
km
0.377
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)
rotation period
rot_per
6.189
h
n/a
LCDB (Rev. 2019-January); Warner et al., 2009
Published Reference List:
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]
geometric albedo
albedo
0.425
0.147
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)
74779 (1999 RF241)
Discovered 1999-Sep-11 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
[ show close-approach data ]
Alternate Designations
1999 RF241
= 1992 WB8
[
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
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Close-Approach Data
]
2019-Dec-08 14:07 UT
(server date/time)
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Ryan S. Park
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