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134469 (1998 UD11)
Classification: Main-belt Asteroid          SPK-ID: 2134469
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955050473893451 4.5043e-08  
a 2.625899019288672 1.3886e-08 au
q 2.112522507083005 1.1972e-07 au
i 4.891007140336335 4.509e-06 deg
node 59.84795919443712 5.2385e-05 deg
peri 286.9893677803465 5.3778e-05 deg
M 63.44111535943998 1.0216e-05 deg
tp 2458726.605212474636
(2019-Aug-31.10521247)
4.4359e-05 TDB
period 1554.23061133901
4.26
1.2328e-05
3.375e-08
d
yr
n .2316258587198013 1.8373e-09 deg/d
Q 3.139275531494338 1.6601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      7771 days (21.28 yr)  
   first obs. used      1998-10-17  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59271  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:29:26  

Additional Information
 Earth MOID = 1.11217 au 
 Jupiter MOID = 2.29619 au 
 T_jup = 3.370 
[ 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 16.2   n/a MPO445932  

134469 (1998 UD11)          Discovered 1998-Oct-17 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1998 UD11 = 2002 TG126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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