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192645 (1999 RJ47)
Classification: Main-belt Asteroid          SPK-ID: 2192645
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2685518945433136 9.6675e-08  
a 2.689070191186238 2.0074e-08 au
q 1.966915296783223 2.5739e-07 au
i 13.1003970154344 6.5087e-06 deg
node 325.6441407232509 2.8839e-05 deg
peri 26.04520289917354 3.0146e-05 deg
M 279.1192235056069 1.2092e-05 deg
tp 2459562.363222081146
(2021-Dec-13.86322208)
5.6026e-05 TDB
period 1610.651697418401
4.41
1.8035e-05
4.938e-08
d
yr
n .2235120110555364 2.5027e-09 deg/d
Q 3.411225085589252 2.5464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:00  

Additional Information
 Earth MOID = .966623 au 
 Jupiter MOID = 2.05594 au 
 T_jup = 3.284 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457470.5 (2016-Mar-23.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2675364832234807 9.6589e-08  
q 1.970487644255777 2.5665e-07 au
tp 2457951.850764912467
(2017-Jul-17.35076491)
4.9413e-05 TDB
node 325.6570429413387 2.8842e-05 deg
peri 26.1330710048376 3.016e-05 deg
i 13.09605696209801 6.5068e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:00  

Additional Information
 Jupiter MOID = 2.05594 au 
 T_jup = 3.284 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.329366480474442E-15 -2.474969140572335E-14 2.837166477390293E-12 2.461999419736702E-14 2.136734756866078E-13 -5.621673610008877E-14
q -2.474969140572335E-14 6.586810287444267E-14 -7.473555289591682E-12 -6.496664070812224E-14 -5.721374519256383E-13 1.499754324129595E-13
tp 2.837166477390293E-12 -7.473555289591682E-12 2.441676029086346E-9 1.655184383161073E-12 4.534075762993638E-10 -2.541165770912986E-11
node 2.461999419736702E-14 -6.496664070812224E-14 1.655184383161073E-12 8.318644436953293E-10 -8.111017553841669E-10 7.615155688809341E-11
peri 2.136734756866078E-13 -5.721374519256383E-13 4.534075762993638E-10 -8.111017553841669E-10 9.096129294635105E-10 -7.78686019284545E-11
i -5.621673610008877E-14 1.499754324129595E-13 -2.541165770912986E-11 7.615155688809341E-11 -7.78686019284545E-11 4.233786633781836E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.11   n/a E2021B55  

192645 (1999 RJ47)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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