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70076 (1999 JD57)
Classification: Main-belt Asteroid          SPK-ID: 2070076
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1569810747821374 2.999e-08  
a 2.284738083094526 8.0982e-09 au
q 1.926077443214667 6.7781e-08 au
i 5.948385359796647 3.4642e-06 deg
node 113.1218336905106 3.8188e-05 deg
peri 170.9144208600601 4.0684e-05 deg
M 358.4579563688383 1.2789e-05 deg
tp 2459005.903152424079
(2020-Jun-05.40315242)		 4.4805e-05 TDB
period 1261.400672043905
3.45		 6.7065e-06
1.836e-08		 d
yr
n .2853970256862759 1.5174e-09 deg/d
Q 2.643398722974386 9.3695e-09 au
   Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      7854 days (21.50 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54077  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:05:16  

Additional Information
 Earth MOID = .909898 au 
 Jupiter MOID = 2.50047 au 
 T_jup = 3.579 
[ 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 16.0   n/a MPO351336  
diameter diameter 2.207 km 0.258 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70076 (1999 JD57)          Discovered 1999-May-10 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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