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115556 (2003 UN77)
Classification: Main-belt Asteroid          SPK-ID: 2115556
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04426237799596987 3.5131e-08  
a 2.211689135436547 7.3537e-09 au
q 2.113794514914274 7.5957e-08 au
i 5.627570889799446 5.1246e-06 deg
node 329.0556666237084 3.507e-05 deg
peri 76.18592091949549 7.1818e-05 deg
M 65.30964974286661 6.1484e-05 deg
tp 2458982.548728211616
(2020-May-13.04872821)
0.00020506 TDB
period 1201.391496551216
3.29
5.9918e-06
1.64e-08
d
yr
n .2996525287830295 1.4945e-09 deg/d
Q 2.309583755958819 7.6792e-09 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      8975 days (24.57 yr)  
   first obs. used      1996-08-17  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:56:44  

Additional Information
 Earth MOID = 1.12838 au 
 Jupiter MOID = 2.82367 au 
 T_jup = 3.649 
[ 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 16.21   n/a MPCxxxxx  

115556 (2003 UN77)          Discovered 2003-Oct-17 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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