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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2121299203105128 3.4027e-08  
a 2.564041699111214 1.1055e-08 au
q 2.02013173780592 8.3538e-08 au
i 3.277355397615988 3.4192e-06 deg
node 44.94493198377194 8.5344e-05 deg
peri 28.63583421245751 8.6145e-05 deg
M 160.121136354668 1.3876e-05 deg
tp 2458729.490199021210
(2019-Sep-02.99019902)
5.5645e-05 TDB
period 1499.636673952221
4.11
9.6983e-06
2.655e-08
d
yr
n .2400581462516766 1.5525e-09 deg/d
Q 3.107951660416507 1.34e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      9187 days (25.15 yr)  
   first obs. used      1996-04-13  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57617  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:09:30  

Additional Information
 Earth MOID = 1.0355 au 
 Jupiter MOID = 2.183 au 
 T_jup = 3.399 
[ 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 16.20   n/a MPO637110  

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

Alternate Designations
 1998 US22 = 1996 GS15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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