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66463 (1999 RS12)
Classification: Main-belt Asteroid          SPK-ID: 2066463
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 .1240488603002108 3.4046e-08  
a 2.364894366173753 9.1936e-09 au
q 2.071531915319509 8.22e-08 au
i 6.808448490733708 3.9287e-06 deg
node 309.0497925567142 3.1431e-05 deg
peri 55.47014709893788 3.56e-05 deg
M 233.4868182737471 1.8327e-05 deg
tp 2459467.319860198579
(2021-Sep-09.81986020)
6.8923e-05 TDB
period 1328.360787219179
3.64
7.7461e-06
2.121e-08
d
yr
n .2710107099394526 1.5803e-09 deg/d
Q 2.658256817027996 1.0334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1310  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:13:54  

Additional Information
 Earth MOID = 1.07721 au 
 Jupiter MOID = 2.79808 au 
 T_jup = 3.529 
[ 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 15.2   n/a MPO426389  
diameter diameter 3.162 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.111   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66463 (1999 RS12)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ 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
2015-Aug-17 10:05 < 00:01 Hebe 0.0336011199763931 0.0336001140113965 0.0336021259640681 6.90735966400308 6.90735963721807 2457251.920329901 0.344507691016336 75.1518625371281 31.5341469943314 -55.1302096394948 136227.602487898 T 20 CATAB v2.0f-lin.ifort 2020-Jun-23 23:14:12 2020-Jun-23 23:14
2077-Dec-27 00:31 00:01 Iris 0.0241784460869505 0.0241730364532499 0.0241838588038989 3.40053365084875 3.40053358092936 2480029.521651002 1.09013976382103 513.617914262717 47.9586720304874 58.7486882932207 64529.9010171927 T 20 CATAB v2.0f-lin.ifort 2020-Jun-23 23:14:12 2020-Jun-23 23:14
2108-Aug-09 23:26 < 00:01 Hebe 0.041368510950882 0.0413522014145558 0.0413848226651896 8.12963618833971 8.12963616985483 2491212.476251871 0.686556565275237 941.09903608785 32.2392559726146 30.2369711468412 96815.8715824987 T 20 CATAB v2.0f-lin.ifort 2020-Jun-23 23:14:12 2020-Jun-23 23:14

Alternate Designations
 1999 RS12 = 2001 BX30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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