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102016 (1999 RY87)
Classification: Main-belt Asteroid          SPK-ID: 2102016
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647376943438063 3.3543e-08  
a 2.26671898340339 8.0985e-09 au
q 1.893304924352179 7.6747e-08 au
i 5.796380737256888 4.7823e-06 deg
node 2.76046359610553 3.7498e-05 deg
peri 285.8194490753852 4.0304e-05 deg
M 133.6674468813981 1.4712e-05 deg
tp 2458737.673623280618
(2019-Sep-11.17362328)
5.0596e-05 TDB
period 1246.507653930249
3.41
6.6802e-06
1.829e-08
d
yr
n .2888068908882485 1.5478e-09 deg/d
Q 2.640133042454601 9.4326e-09 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      8336 days (22.82 yr)  
   first obs. used      1998-03-20  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53022  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:21  

Additional Information
 Earth MOID = .885364 au 
 Jupiter MOID = 2.54582 au 
 T_jup = 3.591 
[ 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 MPO526859  

102016 (1999 RY87)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RY87 = 1998 FE8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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