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136620 (1994 JC)
Classification: Outer Main-belt Asteroid          SPK-ID: 2136620
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .520391244744155 1.1279e-07  
a 3.342885025735364 4.9433e-08 au
q 1.603276926156341 3.8805e-07 au
i 31.24009067889243 1.5823e-05 deg
node 37.16917034815176 1.5402e-05 deg
peri 138.2636883940693 2.5725e-05 deg
M 122.1423882663826 3.2688e-05 deg
tp 2458443.066527709147
(2018-Nov-20.56652771)
0.00018717 TDB
period 2232.444067083598
6.11
4.9519e-05
1.356e-07
d
yr
n .1612582394820282 3.5769e-09 deg/d
Q 5.082493125314387 7.5158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      9577 days (26.22 yr)  
   first obs. used      1994-05-04  
   last obs. used      2020-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:18:13  

Additional Information
 Earth MOID = .679883 au 
 Jupiter MOID = .653028 au 
 T_jup = 2.727 
[ show covariance matrix ]

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 14.88   n/a E2021B55  

136620 (1994 JC)          Discovered 1994-May-04 by Helin, E. F., Lawrence, K. J. at Palomar
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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