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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723362998767108 3.0339e-08  
a 2.368688942854685 9.3592e-09 au
q 1.960477854884231 7.4097e-08 au
i 2.057687189714555 4.7145e-06 deg
node 139.8408251256211 0.00012089 deg
peri 134.9396349914943 0.00012227 deg
M 15.40052797169237 1.6826e-05 deg
tp 2459143.536904065020
(2020-Oct-21.03690406)		 6.2249e-05 TDB
period 1331.559189028203
3.65		 7.8919e-06
2.161e-08		 d
yr
n .2703597428986502 1.6024e-09 deg/d
Q 2.776900030825139 1.0972e-08 au
   Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      10686 days (29.26 yr)  
   first obs. used      1991-06-04  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:07:32  

Additional Information
 Earth MOID = .942937 au 
 Jupiter MOID = 2.33412 au 
 T_jup = 3.525 
[ 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 16.89   n/a E2021B55  

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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