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134634 (1999 UH12)
Classification: Main-belt Asteroid          SPK-ID: 2134634
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720665644485271 3.1767e-08  
a 2.367946925593796 9.6212e-09 au
q 1.960502433310419 7.6799e-08 au
i 2.057478431643829 5.5498e-06 deg
node 139.8467394832987 0.00012383 deg
peri 134.9708733247024 0.00012527 deg
M 321.2836035556684 1.7734e-05 deg
tp 2459143.635974918129
(2020-Oct-21.13597492)		 6.5589e-05 TDB
period 1330.933550197976
3.64		 8.1116e-06
2.221e-08		 d
yr
n .2704868323038743 1.6485e-09 deg/d
Q 2.775391417877172 1.1277e-08 au
   Orbit Determination Parameters
   # obs. used (total)      394  
   data-arc span      10554 days (28.90 yr)  
   first obs. used      1991-06-04  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56408  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:21:05  

Additional Information
 Earth MOID = .944805 au 
 Jupiter MOID = 2.33658 au 
 T_jup = 3.526 
[ 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 16.8   n/a MPO432810  

134634 (1999 UH12)          Discovered 1999-Oct-31 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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Alternate Designations
 1999 UH12 = 2002 LU17 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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