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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 
[ 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 16.7   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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