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102145 (1999 RQ188)
Classification: Main-belt Asteroid          SPK-ID: 2102145
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1803390458142892 3.3868e-08  
a 2.542193725816916 1.0512e-08 au
q 2.08373693502802 8.4341e-08 au
i 2.529521044343145 3.389e-06 deg
node 54.44821563314555 0.00012277 deg
peri 328.2343071075932 0.00012366 deg
M 67.27914471207947 1.6485e-05 deg
tp 2458923.812619498463
(2020-Mar-15.31261950)
6.7382e-05 TDB
period 1480.510155217083
4.05
9.1828e-06
2.514e-08
d
yr
n .2431594263176225 1.5082e-09 deg/d
Q 3.000650516605811 1.2408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      608  
   data-arc span      10697 days (29.29 yr)  
   first obs. used      1991-10-06  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50753  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:39  

Additional Information
 Earth MOID = 1.08628 au 
 Jupiter MOID = 2.45589 au 
 T_jup = 3.420 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO449617  

102145 (1999 RQ188)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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