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JPL Small-Body Database Browser
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66823 (1999 UA25)
Classification: Main-belt Asteroid          SPK-ID: 2066823
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0861027101591742 4.7911e-08  
a 2.760883365344312 2.0402e-08 au
q 2.523163825154785 1.3226e-07 au
i 9.890408871545514 4.7463e-06 deg
node 236.8164881971588 3.2693e-05 deg
peri 71.53161014684372 4.4228e-05 deg
M 249.160168092017 3.116e-05 deg
tp 2459516.398036203184
(2021-Oct-28.89803620)
0.00014628 TDB
period 1675.600637750247
4.59
1.8573e-05
5.085e-08
d
yr
n .2148483307355121 2.3815e-09 deg/d
Q 2.998602905533839 2.2159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      754  
   data-arc span      7024 days (19.23 yr)  
   first obs. used      1999-10-12  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59704  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:14:53  

Additional Information
 Earth MOID = 1.52957 au 
 Jupiter MOID = 2.19121 au 
 T_jup = 3.315 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO468596  

66823 (1999 UA25)          Discovered 1999-Oct-28 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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