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312955 (1996 RB19)
Classification: Jupiter Trojan          SPK-ID: 2312955
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07061775576273066 1.1562e-07  
a 5.188018029735805 1.7653e-07 au
q 4.821651839619278 7.002e-07 au
i 6.073606524500825 8.0211e-06 deg
node 1.343127791961446 6.7769e-05 deg
peri 334.3505885584675 9.3956e-05 deg
M 23.85945157440959 5.644e-05 deg
tp 2458714.439035858774
(2019-Aug-18.93903586)
0.00068289 TDB
period 4316.190871767333
11.82
0.0002203
6.031e-07
d
yr
n .08340687673355657 4.2571e-09 deg/d
Q 5.55438421985233 1.89e-07 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      8410 days (23.03 yr)  
   first obs. used      1996-09-15  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:13:33  

Additional Information
 Earth MOID = 3.8135 au 
 Jupiter MOID = .0952795 au 
 T_jup = 2.984 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO494659  

312955 (1996 RB19)          Discovered 1996-Sep-15 by Spacewatch at Kitt Peak
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

Alternate Designations
 1996 RB19 = 2008 UV8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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