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187802 (1999 JU2)
Classification: Main-belt Asteroid          SPK-ID: 2187802
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2232711649855366 6.263e-08  
a 2.695340910900657 2.253e-08 au
q 2.09354900569069 1.7059e-07 au
i 13.80678364860082 6.0007e-06 deg
node 115.9617599172637 2.9866e-05 deg
peri 118.2782909459238 3.3609e-05 deg
M 314.052945575857 1.9254e-05 deg
tp 2459406.788090478166
(2021-Jul-11.28809048)
8.7496e-05 TDB
period 1616.288867760756
4.43
2.0265e-05
5.548e-08
d
yr
n .2227324627303486 2.7927e-09 deg/d
Q 3.297132816110623 2.756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1999-05-08  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:53  

Additional Information
 Earth MOID = 1.11896 au 
 Jupiter MOID = 1.8893 au 
 T_jup = 3.293 
[ 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 16.1   n/a MPO454294  

187802 (1999 JU2)          Discovered 1999-May-08 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Alternate Designations
 1999 JU2 = 2003 FP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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