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70102 (1999 JE123)
Classification: Main-belt Asteroid          SPK-ID: 2070102
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231636496554022 3.8437e-08  
a 2.174062872914051 8.219e-09 au
q 1.906297354905648 8.5517e-08 au
i 3.870500235226174 3.9868e-06 deg
node 81.40468287766012 5.8609e-05 deg
peri 180.4807922480983 6.1142e-05 deg
M 248.7001539458263 1.8322e-05 deg
tp 2459562.491721835539
(2021-Dec-13.99172184)
6.0618e-05 TDB
period 1170.864331630468
3.21
6.6396e-06
1.818e-08
d
yr
n .3074651693409158 1.7435e-09 deg/d
Q 2.441828390922455 9.2312e-09 au
  Orbit Determination Parameters
   # obs. used (total)      644  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1999-05-13  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:10:23  

Additional Information
 Earth MOID = .889027 au 
 Jupiter MOID = 2.60671 au 
 T_jup = 3.673 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457591.5 (2016-Jul-22.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233642516337926 3.8371e-08  
q 1.905703921801942 8.538e-08 au
tp 2457221.411734501813
(2015-Jul-17.91173450)
5.5052e-05 TDB
node 81.41248594674509 5.8623e-05 deg
peri 180.5795810349285 6.1162e-05 deg
i 3.870338226647054 3.9868e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      644  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1999-05-13  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54634  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:10:23  

Additional Information
 Jupiter MOID = 2.60671 au 
 T_jup = 3.673 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.47234021898978E-15 -3.265118874246095E-15 -8.092289598081191E-13 6.835473528824001E-15 -2.330440480560979E-13 -1.118244024808092E-15
q -3.265118874246095E-15 7.289763296584865E-15 1.88704573657412E-12 -1.555895901753862E-14 5.49295495151929E-13 2.629331188332422E-15
tp -8.092289598081191E-13 1.88704573657412E-12 3.030754077804727E-9 -1.792845714597701E-11 9.734186160399237E-10 2.9999559256028E-12
node 6.835473528824001E-15 -1.555895901753862E-14 -1.792845714597701E-11 3.436701681080989E-9 -3.433925694934495E-9 -7.31631647074944E-11
peri -2.330440480560979E-13 5.49295495151929E-13 9.734186160399237E-10 -3.433925694934495E-9 3.740762166807184E-9 7.39658130518539E-11
i -1.118244024808092E-15 2.629331188332422E-15 2.9999559256028E-12 -7.31631647074944E-11 7.39658130518539E-11 1.589448000486842E-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 16.52   n/a MPCxxxxx  

70102 (1999 JE123)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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