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79778 (1998 UC21)
Classification: Main-belt Asteroid          SPK-ID: 2079778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2368457649294031 3.7058e-08  
a 2.58626584438466 1.1126e-08 au
q 1.973719732160587 9.2272e-08 au
i 3.897486611825728 3.7056e-06 deg
node 220.8922533257969 7.0207e-05 deg
peri 192.1112319509845 7.1002e-05 deg
M 156.0474687594165 1.3681e-05 deg
tp 2458737.989959794800
(2019-Sep-11.48995980)
5.4912e-05 TDB
period 1519.176288846831
4.16
9.8031e-06
2.684e-08
d
yr
n .2369705231992971 1.5292e-09 deg/d
Q 3.198811956608734 1.3761e-08 au
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      8241 days (22.56 yr)  
   first obs. used      1998-10-18  
   last obs. used      2021-05-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55242  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:09:30  

Additional Information
 Earth MOID = .984576 au 
 Jupiter MOID = 2.17943 au 
 T_jup = 3.379 
[ 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 15.77   n/a E2021B10  

79778 (1998 UC21)          Discovered 1998-Oct-29 by Korlevic, K. at Visnjan
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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