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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05402036814523587 4.8524e-08  
a 2.974039795471355 2.5035e-08 au
q 2.81338107084141 1.4871e-07 au
i 8.499803818147907 5.3831e-06 deg
node 276.2971756059237 3.813e-05 deg
peri 5.641473207764941 7.0395e-05 deg
M 343.6270570504392 5.9838e-05 deg
tp 2458685.700636241691
(2019-Jul-21.20063624)
0.00031134 TDB
period 1873.348556914849
5.13
2.3654e-05
6.476e-08
d
yr
n .1921692568482136 2.4265e-09 deg/d
Q 3.134698520101299 2.6387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1006  
   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      .52526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:54:41  

Additional Information
 Earth MOID = 1.79647 au 
 Jupiter MOID = 1.97643 au 
 T_jup = 3.243 
[ 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-January); 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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