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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1240488519268336 3.7279e-08  
a 2.364894366022275 9.4966e-09 au
q 2.071531934988974 8.8888e-08 au
i 6.808446229172043 4.6691e-06 deg
node 309.0497606963741 3.147e-05 deg
peri 55.47013945021984 3.6357e-05 deg
M 233.4868515116241 1.8964e-05 deg
tp 2459467.319737509582
(2021-Sep-09.81973751)
7.1053e-05 TDB
period 1328.360787091552
3.64
8.0014e-06
2.191e-08
d
yr
n .2710107099654911 1.6324e-09 deg/d
Q 2.658256797055575 1.0675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1159  
   data-arc span      7653 days (20.95 yr)  
   first obs. used      1998-04-20  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49882  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:11:59  

Additional Information
 Earth MOID = 1.07721 au 
 Jupiter MOID = 2.79808 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456730.5 (2014-Mar-14.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1230310871372065 3.7232e-08  
q 2.074338831587899 8.8699e-08 au
tp 2456808.196842935638
(2014-May-30.69684294)
6.7159e-05 TDB
node 309.1196796440985 3.1418e-05 deg
peri 54.99121923352223 3.643e-05 deg
i 6.814293477565615 4.6718e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1159  
   data-arc span      7653 days (20.95 yr)  
   first obs. used      1998-04-20  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49882  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:11:59  

Additional Information
 Jupiter MOID = 2.79808 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.386203413783604E-15 -3.287623190151857E-15 -4.065051079391348E-13 -5.114328513562824E-15 -1.449111365416749E-13 -2.337051078323998E-17
q -3.287623190151857E-15 7.867560164710518E-15 1.070769730590827E-12 1.146780878490036E-14 3.712554713362903E-13 1.151487607804495E-16
tp -4.065051079391348E-13 1.070769730590827E-12 4.510340446533641E-9 -1.389452450520258E-11 1.247818924317112E-9 -4.417397559813557E-12
node -5.114328513562824E-15 1.146780878490036E-14 -1.389452450520258E-11 9.871133209711103E-10 -9.833115631576686E-10 -2.446395464915395E-12
peri -1.449111365416749E-13 3.712554713362903E-13 1.247818924317112E-9 -9.833115631576686E-10 1.327174655095676E-9 1.232662063679688E-12
i -2.337051078323998E-17 1.151487607804495E-16 -4.417397559813557E-12 -2.446395464915395E-12 1.232662063679688E-12 2.182588037485224E-11

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

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