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136621 (1994 JD7)
Classification: Main-belt Asteroid          SPK-ID: 2136621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209007746935964 6.2485e-08  
a 3.022191409625437 2.2239e-08 au
q 2.354586985966846 1.9523e-07 au
i 1.709274708053865 7.4083e-06 deg
node 178.861869685499 0.00015549 deg
peri 149.9939290749059 0.00015631 deg
M 259.7354192914536 1.3711e-05 deg
tp 2459534.973796815513
(2021-Nov-16.47379682)
7.5005e-05 TDB
period 1919.028289889252
5.25
2.1182e-05
5.799e-08
d
yr
n .1875949416153608 2.0707e-09 deg/d
Q 3.689795833284029 2.7152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      9488 days (25.98 yr)  
   first obs. used      1994-05-05  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:39:42  

Additional Information
 Earth MOID = 1.34366 au 
 Jupiter MOID = 1.67967 au 
 T_jup = 3.208 
[ 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 15.7   n/a MPO436673  

136621 (1994 JD7)          Discovered 1994-May-05 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1994 JD7 = 1995 SE49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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