+ View the NASA Portal
+ Center for Near-Earth Object Studies
IMPORTANT:
The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.
Please visit
this page
for more details.
Don't show this message again
JPL Small-Body Database Browser
Search:
[
help
]
74610 (1999 RJ17)
Classification:
Main-belt Asteroid
SPK-ID:
2074610
[
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
.231870235300646
3.7624e-08
a
2.380813108411846
1.1935e-08
au
q
1.828773412757529
8.9804e-08
au
i
9.705393361612174
5.075e-06
deg
node
180.0134291951984
2.5955e-05
deg
peri
141.7435693361149
2.8533e-05
deg
M
140.112182265182
1.4066e-05
deg
t
p
2458078.272447871575
(2017-Nov-20.77244787)
4.9972e-05
TDB
period
1341.79566492236
3.67
1.009e-05
2.762e-08
d
yr
n
.2682971851908841
2.0175e-09
deg/d
Q
2.932852804066163
1.4702e-08
au
Orbit Determination Parameters
# obs. used (total)
501
data-arc span
15092 days (41.32 yr)
first obs. used
1977-09-09
last obs. used
2019-01-04
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.58688
source
ORB
producer
Otto Matic
solution date
2019-Jul-13 06:24:13
Additional Information
Earth MOID
= .827285 au
Jupiter MOID
= 2.45722 au
T_jup
= 3.483
[ show covariance matrix ]
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.3
n/a
MPO417341
diameter
diameter
3.071
km
0.035
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.074
0.011
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
74610 (1999 RJ17)
Discovered 1999-Sep-07 by LINEAR at Socorro
Reference:
20040415/Numbers.arc
Last Updated:
2004-04-19
Alternate Designations
1999 RJ17
= 1977 RY13
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-13 06:13 UT
(server date/time)
Site Manager:
Ryan S. Park
Webmaster
:
Alan B. Chamberlin