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102175 (1999 RK234)
Classification: Main-belt Asteroid          SPK-ID: 2102175
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2067868301232856 5.3249e-08  
a 2.222881229907066 8.7128e-09 au
q 1.763218666634033 1.1681e-07 au
i 4.573253188312387 5.4512e-06 deg
node 74.00946981763947 5.7394e-05 deg
peri 291.1555772925614 5.8774e-05 deg
M 82.57917205173369 1.0492e-05 deg
tp 2458722.822405531627
(2019-Aug-27.32240553)
3.5412e-05 TDB
period 1210.522357211206
3.31
7.1171e-06
1.949e-08
d
yr
n .2973922768591948 1.7485e-09 deg/d
Q 2.682543793180098 1.0514e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      7943 days (21.75 yr)  
   first obs. used      1998-04-27  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47649  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:32:32  

Additional Information
 Earth MOID = .767998 au 
 Jupiter MOID = 2.7838 au 
 T_jup = 3.616 
[ 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 16.9   n/a MPO502729  

102175 (1999 RK234)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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