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373695 (2002 RJ117)
Classification: Main-belt Asteroid          SPK-ID: 2373695
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2394567355092112 4.4597e-08  
a 2.372462886875383 9.7624e-09 au
q 1.804360668867445 1.093e-07 au
i 6.159616407100459 4.7725e-06 deg
node 82.56325190620085 5.0525e-05 deg
peri 305.4756659466607 5.2373e-05 deg
M 40.52913668344308 1.4151e-05 deg
tp 2459246.233413826948
(2021-Jan-31.73341383)
5.1855e-05 TDB
period 1334.742741865458
3.65
8.2384e-06
2.256e-08
d
yr
n .2697148961431011 1.6648e-09 deg/d
Q 2.940565104883322 1.21e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6582 days (18.02 yr)  
   first obs. used      2002-09-08  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55149  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:21:45  

Additional Information
 Earth MOID = .817304 au 
 Jupiter MOID = 2.52014 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457903.5 (2017-May-30.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2411879375840131 4.45e-08  
q 1.799761731606192 1.0919e-07 au
tp 2457911.850243524178
(2017-Jun-07.35024352)
4.6137e-05 TDB
node 82.5745478758554 5.0512e-05 deg
peri 305.5233966712434 5.2323e-05 deg
i 6.162387653856713 4.7729e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6582 days (18.02 yr)  
   first obs. used      2002-09-08  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55149  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:21:45  

Additional Information
 Jupiter MOID = 2.52014 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.980206770596218E-15 -4.849953011002036E-15 -7.75816574759431E-13 -5.836888662409333E-15 -1.977513799563938E-13 -6.044199070370452E-15
q -4.849953011002036E-15 1.192262688977392E-14 2.028176138923208E-12 1.312225213207808E-14 5.214746998610328E-13 1.562465639581611E-14
tp -7.75816574759431E-13 2.028176138923208E-12 2.128628177736297E-9 -1.785407893129127E-11 6.565544040814632E-10 7.25537425222794E-12
node -5.836888662409333E-15 1.312225213207808E-14 -1.785407893129127E-11 2.55144879304611E-9 -2.541641750337567E-9 3.868544397186053E-11
peri -1.977513799563938E-13 5.214746998610328E-13 6.565544040814632E-10 -2.541641750337567E-9 2.737649578813015E-9 -3.639714268902725E-11
i -6.044199070370452E-15 1.562465639581611E-14 7.25537425222794E-12 3.868544397186053E-11 -3.639714268902725E-11 2.278011383259531E-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 17.32   n/a E2021B25  

373695 (2002 RJ117)          Discovered 2002-Sep-08 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: Last Updated: 2013-10-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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