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85999 (1999 JY72)
Classification: Main-belt Asteroid          SPK-ID: 2085999
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1210443404528146 3.2674e-08  
a 2.34060839621762 7.8378e-09 au
q 2.057290996639138 7.7005e-08 au
i 6.412126223012624 4.6315e-06 deg
node 180.1998183438997 2.7288e-05 deg
peri 233.3628627696754 3.2468e-05 deg
M 127.1457722026277 1.7453e-05 deg
tp 2458538.554237329016
(2019-Feb-24.05423733)
6.3081e-05 TDB
period 1307.951272626879
3.58
6.5697e-06
1.799e-08
d
yr
n .275239611393916 1.3825e-09 deg/d
Q 2.623925795796102 8.7865e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1422  
   data-arc span      7658 days (20.97 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:42:21  

Additional Information
 Earth MOID = 1.07505 au 
 Jupiter MOID = 2.71463 au 
 T_jup = 3.546 
[ 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 15.0   n/a MPO459399  

85999 (1999 JY72)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 JY72 = 2000 QG90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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