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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08620953434101646 4.4887e-08  
a 2.760595037233454 1.7907e-08 au
q 2.522605424569437 1.2673e-07 au
i 9.890863843646114 4.2013e-06 deg
node 236.814395150782 3.1827e-05 deg
peri 71.60420356405385 4.2956e-05 deg
M 292.0733730426115 3.0963e-05 deg
tp 2459516.611306528775
(2021-Oct-29.11130653)
0.00014497 TDB
period 1675.338161892652
4.59
1.6301e-05
4.463e-08
d
yr
n .2148819911039949 2.0908e-09 deg/d
Q 2.998584649897472 1.9451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58792  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:09  

Additional Information
 Earth MOID = 1.52713 au 
 Jupiter MOID = 2.19071 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 14.78   n/a E2021B10  

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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