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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554041276394114 3.8825e-08  
a 2.415926239657139 2.1041e-08 au
q 2.040481329942057 9.4809e-08 au
i 7.292810624632382 7.7232e-06 deg
node 121.3945180770243 3.9179e-05 deg
peri 301.936322714726 4.7113e-05 deg
M 10.62982103783522 2.6505e-05 deg
tp 2458560.000712283039
(2019-Mar-17.50071228)
0.00010078 TDB
period 1371.588809088266
3.76
1.7919e-05
4.906e-08
d
yr
n .2624693330935693 3.429e-09 deg/d
Q 2.79137114937222 2.4311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      5475 days (14.99 yr)  
   first obs. used      2003-09-20  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56128  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:45:12  

Additional Information
 Earth MOID = 1.06467 au 
 Jupiter MOID = 2.51567 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457147.5 (2015-May-05.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539021151589631 3.8773e-08  
q 2.044042222918152 9.4554e-08 au
tp 2457188.090770301738
(2015-Jun-14.59077030)
9.6952e-05 TDB
node 121.4640093953763 3.915e-05 deg
peri 301.8478319824129 4.7288e-05 deg
i 7.294907037123886 7.7275e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      5475 days (14.99 yr)  
   first obs. used      2003-09-20  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56128  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:45:12  

Additional Information
 Jupiter MOID = 2.51567 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.503381207460326E-15 -3.600651138482139E-15 6.397160555059221E-13 2.729181403459714E-15 1.787752701901713E-13 -1.743630123590955E-16
q -3.600651138482139E-15 8.940420546065608E-15 -1.181950519258122E-12 -5.55017282960788E-15 -3.413921041629357E-13 1.290715782091888E-15
tp 6.397160555059221E-13 -1.181950519258122E-12 9.399658396032412E-9 -1.046754446375776E-11 2.588786161935951E-9 5.128459323247209E-12
node 2.729181403459714E-15 -5.55017282960788E-15 -1.046754446375776E-11 1.532716783593968E-9 -1.5230227356193E-9 1.200482271659392E-10
peri 1.787752701901713E-13 -3.413921041629357E-13 2.588786161935951E-9 -1.5230227356193E-9 2.236155095968138E-9 -1.176701135224402E-10
i -1.743630123590955E-16 1.290715782091888E-15 5.128459323247209E-12 1.200482271659392E-10 -1.176701135224402E-10 5.971443300690118E-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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