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(2018 US2)
Classification: Amor [NEO]          SPK-ID: 3835820
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .658555619562361 0.00058541  
a 2.982982589436648 0.0051649 au
q 1.01852264210646 1.7273e-05 au
i 7.048881425148189 0.0044347 deg
node 225.8914952936055 0.0011625 deg
peri 151.3189689374369 0.0033834 deg
M 113.8340590887027 0.29569 deg
tp 2458405.462651068088
(2018-Oct-13.96265107)
0.00027131 TDB
period 1881.804508513286
5.15
4.8874
0.01338
d
yr
n .1913057378550001 0.00049685 deg/d
Q 4.947442536766835 0.0085662 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      15 days  
   first obs. used      2018-10-28  
   last obs. used      2018-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38925  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:41:01  

Additional Information
 Earth MOID = .0483788 au 
 Jupiter MOID = .656404 au 
 T_jup = 2.875 
[ 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 24.8   .38439 E2018-VG6 autocmod 2.6q

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