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34628 (2000 UA99)
Classification: Main-belt Asteroid          SPK-ID: 2034628
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05292634577219146 4.8596e-08  
a 2.970368522845856 2.4625e-08 au
q 2.813157771334882 1.4833e-07 au
i 8.502234390852397 5.3781e-06 deg
node 276.2962674373837 3.8125e-05 deg
peri 4.947248422048442 7.1303e-05 deg
M 61.23869388891006 6.0882e-05 deg
tp 2458682.419279463817
(2019-Jul-17.91927946)
0.0003164 TDB
period 1869.880824054652
5.12
2.3253e-05
6.366e-08
d
yr
n .1925256387299462 2.3942e-09 deg/d
Q 3.127579274356829 2.5929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      7783 days (21.31 yr)  
   first obs. used      1998-04-29  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:31:57  

Additional Information
 Earth MOID = 1.79679 au 
 Jupiter MOID = 1.98214 au 
 T_jup = 3.244 
[ 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 13.8   n/a MPO400344  
rotation period rot_per 6.902 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

34628 (2000 UA99)          Discovered 2000-Oct-25 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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