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JPL Small-Body Database Browser
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524366 (2001 XR254)
Classification:
TransNeptunian Object
SPK-ID:
2524366
[
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 7
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.03716077051887243
2.4395e-05
a
42.7866101240427
0.0018612
au
q
41.19662672394269
0.0027533
au
i
1.230712868641477
5.7454e-05
deg
node
180.0500345652887
0.005267
deg
peri
78.78611254028326
0.048357
deg
M
226.0481986737705
0.049689
deg
t
p
2496637.504151851121
(2123-Jun-18.00415185)
12.06
TDB
period
102225.736116212
279.88
6.6701
0.01826
d
yr
n
.003521618074637737
2.2978e-07
deg/d
Q
44.37659352414271
0.0019304
au
Orbit Determination Parameters
# obs. used (total)
112
data-arc span
5881 days (16.10 yr)
first obs. used
2001-12-10
last obs. used
2018-01-16
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
3
norm. resid. RMS
.57103
source
ORB
producer
Otto Matic
solution date
2019-May-30 10:48:36
Additional Information
Earth MOID
= 40.1814 au
Jupiter MOID
= 35.8738 au
T_jup
= 5.851
[ hide covariance matrix ]
Orbital Elements at Epoch 2457077.5 (2015-Feb-24.0) TDB
Reference:
JPL 7
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.02991479345845098
2.1445e-05
q
41.90844109513085
0.0026014
au
t
p
2493937.717471493292
(2116-Jan-26.21747149)
16.815
TDB
node
179.8636443008361
0.0052237
deg
peri
67.55035445679293
0.064495
deg
i
1.232844557442384
5.7508e-05
deg
Orbit Determination Parameters
# obs. used (total)
112
data-arc span
5881 days (16.10 yr)
first obs. used
2001-12-10
last obs. used
2018-01-16
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
3
norm. resid. RMS
.57103
source
ORB
producer
Otto Matic
solution date
2019-May-30 10:48:36
Additional Information
Jupiter MOID
= 35.8738 au
T_jup
= 5.851
Orbit Covariance (6×6)
e
q
tp
node
peri
i
e
4.599008132668903E-10
-4.885667988361676E-8
.0001231237049075302
-2.427669453530697E-10
5.791589640734716E-7
-1.289167945135042E-12
q
-4.885667988361676E-8
6.767324646406977E-6
-.03290027372505976
8.838534643065964E-9
-.0001347030475999692
4.981616441961058E-10
tp
.0001231237049075302
-.03290027372505976
282.7430833476228
.0001493834104127765
1.076999814355609
-4.879033008446683E-6
node
-2.427669453530697E-10
8.838534643065964E-9
.0001493834104127765
2.728670306113434E-5
-2.67947869189674E-5
-2.977125499519064E-7
peri
5.791589640734716E-7
-.0001347030475999692
1.076999814355609
-2.67947869189674E-5
.004159643409873677
2.792758445623681E-7
i
-1.289167945135042E-12
4.981616441961058E-10
-4.879033008446683E-6
-2.977125499519064E-7
2.792758445623681E-7
3.307127741602912E-9
[
Ephemeris
|
Orbit Diagram
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Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
5.9
n/a
E2018X68
524366 (2001 XR254)
Discovered 2001-Dec-10 by Jewitt, D. C., Sheppard, S. S., Kleyna, J. at Mauna Kea
Reference:
Last Updated:
2019-05-29
[
Ephemeris
|
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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2019-Dec-11 17:48 UT
(server date/time)
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