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(2012 US68)
Classification: Apollo [NEO]          SPK-ID: 3613388
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9579045736570907 1.4486e-07  
a 2.503165977264274 7.8963e-07 au
q .1053718390200048 3.8563e-07 au
i 25.80841340949412 9.4112e-05 deg
node 40.49589625257193 5.4519e-05 deg
peri 190.7404719459217 8.3394e-05 deg
M 5.747874981903745 0.00029989 deg
tp 2458977.403950026156
(2020-May-07.90395003)
0.0011973 TDB
period 1446.548162018275
3.96
0.00068447
1.874e-06
d
yr
n .2488683124782484 1.1776e-07 deg/d
Q 4.900960115508543 1.546e-06 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      2622 days (7.18 yr)  
   first obs. used      2012-10-18  
   last obs. used      2019-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .3738  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 10:54:21  

Additional Information
 Earth MOID = .172426 au 
 Jupiter MOID = .441913 au 
 T_jup = 2.437 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.3   n/a E2020-AB0  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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