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312172 (2007 UA129)
Classification: Main-belt Asteroid          SPK-ID: 2312172
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554038786092959 3.379e-08  
a 2.415339667221944 1.759e-08 au
q 2.039986514776768 8.1039e-08 au
i 7.293339340717839 6.2379e-06 deg
node 121.395484929463 3.8846e-05 deg
peri 301.8311620096172 4.5392e-05 deg
M 115.7326199924474 2.4473e-05 deg
tp 2458559.722891276937
(2019-Mar-17.22289128)
9.1172e-05 TDB
period 1371.089319075797
3.75
1.4978e-05
4.101e-08
d
yr
n .2625649510876968 2.8683e-09 deg/d
Q 2.79069281966712 2.0324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      6060 days (16.59 yr)  
   first obs. used      2003-09-20  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:26:43  

Additional Information
 Earth MOID = 1.06446 au 
 Jupiter MOID = 2.51642 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457577.5 (2016-Jul-08.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543073295268469 3.3717e-08  
q 2.04409699494395 8.076e-08 au
tp 2457188.613725766472
(2015-Jun-15.11372577)
8.7358e-05 TDB
node 121.4492105033075 3.8839e-05 deg
peri 302.0182012028858 4.5496e-05 deg
i 7.292437745436588 6.2388e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      6060 days (16.59 yr)  
   first obs. used      2003-09-20  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:26:43  

Additional Information
 Jupiter MOID = 2.51642 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.136832871485234E-15 -2.677461762742084E-15 -1.098139592107842E-13 3.206052617827042E-15 -4.001310901286481E-14 -5.180775023937398E-17
q -2.677461762742084E-15 6.522161279316364E-15 5.673651707351539E-13 -6.525041699278527E-15 1.874330824527793E-13 5.987368595047615E-16
tp -1.098139592107842E-13 5.673651707351539E-13 7.631443131563212E-9 -5.73774202196582E-12 2.092564790396765E-9 1.22829437760615E-12
node 3.206052617827042E-15 -6.525041699278527E-15 -5.73774202196582E-12 1.508478736893997E-9 -1.497702508085271E-9 1.201994319716059E-10
peri -4.001310901286481E-14 1.874330824527793E-13 2.092564790396765E-9 -1.497702508085271E-9 2.069844981955202E-9 -1.18890221567835E-10
i -5.180775023937398E-17 5.987368595047615E-16 1.22829437760615E-12 1.201994319716059E-10 -1.18890221567835E-10 3.892245755824793E-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 16.7   n/a MPO418614  

312172 (2007 UA129)          Discovered 2007-Oct-30 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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