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70101 (1999 JD122)
Classification: Main-belt Asteroid          SPK-ID: 2070101
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1257230497789256 2.9004e-08  
a 2.283916365294076 8.2345e-09 au
q 1.996775434409306 6.5167e-08 au
i 5.182384645825309 3.3609e-06 deg
node 81.92921294981552 4.1476e-05 deg
peri 167.0650434972335 4.4351e-05 deg
M 30.9681474496185 1.5477e-05 deg
tp 2458892.049527899831
(2020-Feb-12.54952790)
5.4203e-05 TDB
period 1260.720229376902
3.45
6.8182e-06
1.867e-08
d
yr
n .2855510616958421 1.5443e-09 deg/d
Q 2.571057296178846 9.2698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      7851 days (21.49 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:05:20  

Additional Information
 Earth MOID = .983059 au 
 Jupiter MOID = 2.4516 au 
 T_jup = 3.587 
[ 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 MPO366055  
diameter diameter 2.053 km 0.465 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.318   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70101 (1999 JD122)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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