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129976 (1999 UJ36)
Classification: Main-belt Asteroid          SPK-ID: 2129976
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2988759433656612 3.6486e-08  
a 2.398980512671648 1.2313e-08 au
q 1.681982948831072 8.7892e-08 au
i 3.218050419633903 5.1409e-06 deg
node 219.1365303422191 8.4588e-05 deg
peri 67.44459659291098 8.5364e-05 deg
M 244.8590425049155 1.5513e-05 deg
tp 2459434.576068508844
(2021-Aug-08.07606851)
6.1184e-05 TDB
period 1357.183300042081
3.72
1.0449e-05
2.861e-08
d
yr
n .2652552532799644 2.0422e-09 deg/d
Q 3.115978076512224 1.5993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      7471 days (20.45 yr)  
   first obs. used      1999-08-12  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63506  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:06:37  

Additional Information
 Earth MOID = .668995 au 
 Jupiter MOID = 2.07625 au 
 T_jup = 3.463 
[ 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 17.0   n/a MPO459611  

129976 (1999 UJ36)          Discovered 1999-Oct-16 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1999 UJ36 = 1999 TZ324 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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