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172373 (2002 XX101)
Classification: Main-belt Asteroid          SPK-ID: 2172373
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1185709974035906 5.7861e-08  
a 2.933069063674989 3.1714e-08 au
q 2.585292139341429 1.6732e-07 au
i 1.451690291983052 5.9896e-06 deg
node 328.6245321276832 0.00026275 deg
peri 54.30862144741393 0.00026405 deg
M 213.7537841817141 2.8032e-05 deg
tp 2459745.856421327700
(2022-Jun-15.35642133)
0.00014614 TDB
period 1834.770972887093
5.02
2.9757e-05
8.147e-08
d
yr
n .1962097751271507 3.1822e-09 deg/d
Q 3.280845988008548 3.5474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      7363 days (20.16 yr)  
   first obs. used      1999-02-08  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55008  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:15:04  

Additional Information
 Earth MOID = 1.58883 au 
 Jupiter MOID = 2.17741 au 
 T_jup = 3.265 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456946.5 (2014-Oct-16.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186518963924719 5.7916e-08  
q 2.58488591063211 1.6749e-07 au
tp 2456079.845887027675
(2012-Jun-01.34588703)
0.00013992 TDB
node 328.6533333137794 0.00026277 deg
peri 55.03582126536613 0.00026407 deg
i 1.451724481591322 5.9892e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      7363 days (20.16 yr)  
   first obs. used      1999-02-08  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55008  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:15:04  

Additional Information
 Jupiter MOID = 2.17741 au 
 T_jup = 3.265 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.354304700001496E-15 -9.565931551755969E-15 1.123759883194261E-12 -1.944599032306578E-14 2.16465301501086E-13 -2.054747586751845E-16
q -9.565931551755969E-15 2.805371834653707E-14 -3.778973382277491E-12 5.5777386658263E-14 -6.551559556159157E-13 8.556696191803135E-16
tp 1.123759883194261E-12 -3.778973382277491E-12 1.957794727638765E-8 1.247307514653606E-11 3.69943129834212E-9 -1.803605754626265E-12
node -1.944599032306578E-14 5.5777386658263E-14 1.247307514653606E-11 6.905051917495834E-8 -6.902506654829401E-8 -1.082021444686045E-12
peri 2.16465301501086E-13 -6.551559556159157E-13 3.69943129834212E-9 -6.902506654829401E-8 6.973065537673454E-8 7.642661750311518E-13
i -2.054747586751845E-16 8.556696191803135E-16 -1.803605754626265E-12 -1.082021444686045E-12 7.642661750311518E-13 3.586995847461056E-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 15.9   n/a MPO433107  

172373 (2002 XX101)          Discovered 2002-Dec-05 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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