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JPL Small-Body Database Browser
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487751 (2015 RK122)
Classification:
Main-belt Asteroid
SPK-ID:
2487751
[
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 10
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.132519990297308
7.7898e-08
a
2.811556150886407
4.7753e-08
au
q
2.438968757050604
2.2475e-07
au
i
9.26423257313869
7.3776e-06
deg
node
94.64464860813237
6.396e-05
deg
peri
299.6410761085454
8.5097e-05
deg
M
242.7837525659606
5.3707e-05
deg
t
p
2459161.165563197666
(2020-Nov-07.66556320)
0.00026177
TDB
period
1721.942198027967
4.71
4.3869e-05
1.201e-07
d
yr
n
.2090662511275266
5.3263e-09
deg/d
Q
3.184143544722211
5.4081e-08
au
Orbit Determination Parameters
# obs. used (total)
104
data-arc span
6032 days (16.51 yr)
first obs. used
2001-10-15
last obs. used
2018-04-21
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.65061
source
ORB
producer
Otto Matic
solution date
2018-May-07 07:09:23
Additional Information
Earth MOID
= 1.46167 au
Jupiter MOID
= 2.24835 au
T_jup
= 3.289
[ hide covariance matrix ]
Orbital Elements at Epoch 2457195.5 (2015-Jun-22.0) TDB
Reference:
JPL 10
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.1350217966494981
7.9754e-08
q
2.429247016440526
2.3165e-07
au
t
p
2457436.980703989785
(2016-Feb-18.48070399)
0.0002379
TDB
node
94.75684708504954
6.4197e-05
deg
peri
298.8781928210049
8.3953e-05
deg
i
9.252246573639372
7.3638e-06
deg
Orbit Determination Parameters
# obs. used (total)
104
data-arc span
6032 days (16.51 yr)
first obs. used
2001-10-15
last obs. used
2018-04-21
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.65061
source
ORB
producer
Otto Matic
solution date
2018-May-07 07:09:23
Additional Information
Jupiter MOID
= 2.24835 au
T_jup
= 3.289
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
6.360639831730317E-15
-1.818905261715567E-14
-1.211763707489724E-11
-7.269471424976335E-14
-2.787867419927067E-12
-3.311508618285948E-14
q
-1.818905261715567E-14
5.365998042286681E-14
3.660535564338923E-11
2.22281166805069E-13
8.351302888184421E-12
1.006603948527067E-13
tp
-1.211763707489724E-11
3.660535564338923E-11
5.659764861865716E-8
3.160220439407098E-10
1.30350750369776E-8
1.092487299575428E-10
node
-7.269471424976335E-14
2.22281166805069E-13
3.160220439407098E-10
4.121233078269251E-9
-3.992557890982298E-9
1.874678253910777E-10
peri
-2.787867419927067E-12
8.351302888184421E-12
1.30350750369776E-8
-3.992557890982298E-9
7.048174443630885E-9
-1.596352202930488E-10
i
-3.311508618285948E-14
1.006603948527067E-13
1.092487299575428E-10
1.874678253910777E-10
-1.596352202930488E-10
5.42261916832818E-11
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
16.4
n/a
MPO450510
487751 (2015 RK122)
Discovered 2015-May-30 by Pan-STARRS 1 at Haleakala
Reference:
Last Updated:
2017-03-14
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
2019-Dec-11 14:44 UT
(server date/time)
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Ryan S. Park
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