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146464 (2001 RC61)
Classification: Main-belt Asteroid          SPK-ID: 2146464
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492156681434053 5.5176e-08  
a 2.653294475169645 1.3639e-08 au
q 2.257381367276001 1.4939e-07 au
i 6.444155083063725 5.0958e-06 deg
node 110.1446331399021 3.922e-05 deg
peri 22.37243362090451 4.2556e-05 deg
M .5217348761183198 1.4466e-05 deg
tp 2458998.212168823327
(2020-May-28.71216882)
6.343e-05 TDB
period 1578.616384110623
4.32
1.2172e-05
3.333e-08
d
yr
n .2280478041552954 1.7584e-09 deg/d
Q 3.04920758306329 1.5674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      6716 days (18.39 yr)  
   first obs. used      2001-09-12  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5749  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:32  

Additional Information
 Earth MOID = 1.27354 au 
 Jupiter MOID = 2.00157 au 
 T_jup = 3.364 
[ 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 15.4   n/a MPO453930  

146464 (2001 RC61)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2009-Nov-07 04:22 < 00:01 Jupiter 1.99978525132944 1.99978477223708 1.99978573042169 2.55015837204441 2.37827547783113 2455142.682119953 0.220423397476934 39.096325110892 9.37848600077234 75.7095303844598 2061000.24599046 T 20 CATAB v2.0f-lin.ifort 2020-Feb-24 08:37:34 2020-Feb-24 08:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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