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79779 (1998 US22)
Classification: Main-belt Asteroid          SPK-ID: 2079779
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2120197854539079 3.4972e-08  
a 2.564859516040406 1.1205e-08 au
q 2.021058551730105 8.6406e-08 au
i 3.2769254544933 3.5203e-06 deg
node 44.94867705617403 0.00011876 deg
peri 28.72455971130451 0.0001198 deg
M 64.97505487879289 1.6841e-05 deg
tp 2458729.706674862759
(2019-Sep-03.20667486)
6.9667e-05 TDB
period 1500.354208723032
4.11
9.8316e-06
2.692e-08
d
yr
n .2399433399839629 1.5723e-09 deg/d
Q 3.108660480350707 1.358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      689  
   data-arc span      8781 days (24.04 yr)  
   first obs. used      1996-04-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:43:34  

Additional Information
 Earth MOID = 1.03664 au 
 Jupiter MOID = 2.18073 au 
 T_jup = 3.399 
[ 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 16.1   n/a MPO453219  

79779 (1998 US22)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 US22 = 1996 GS15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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