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129977 (1999 UK36)
Classification: Main-belt Asteroid          SPK-ID: 2129977
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436917281849799 1.3408e-07  
a 2.511704243653151 1.2251e-08 au
q 2.150793120193082 3.3725e-07 au
i 4.021026772011962 1.2975e-05 deg
node 212.9376530134248 8.1287e-05 deg
peri 38.42772877884222 0.0001166 deg
M 159.6868770523071 7.6445e-05 deg
tp 2458355.562094672549
(2018-Aug-25.06209467)
0.00030804 TDB
period 1453.955705087966
3.98
1.0637e-05
2.912e-08
d
yr
n .2476003902596328 1.8115e-09 deg/d
Q 2.87261536711322 1.4011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      7332 days (20.07 yr)  
   first obs. used      1999-10-05  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57332  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:53:08  

Additional Information
 Earth MOID = 1.13842 au 
 Jupiter MOID = 2.15982 au 
 T_jup = 3.443 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO432778  

129977 (1999 UK36)          Discovered 1999-Oct-16 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 UK36 = 1999 TP327 = 2002 JS76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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