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187164 (2005 RF42)
Classification: Main-belt Asteroid          SPK-ID: 2187164
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09654405472274727 5.4398e-08  
a 2.666392646251664 2.1415e-08 au
q 2.408968288699612 1.4791e-07 au
i 3.041803604072636 7.0582e-06 deg
node 194.4714543380616 9.8554e-05 deg
peri 118.0700842835056 0.00010479 deg
M 218.1938737830687 3.6783e-05 deg
tp 2459826.936527961946
(2022-Sep-04.43652796)
0.00016431 TDB
period 1590.320221577102
4.35
1.9159e-05
5.245e-08
d
yr
n .226369504151178 2.7271e-09 deg/d
Q 2.923817003803716 2.3482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      220  
   data-arc span      7047 days (19.29 yr)  
   first obs. used      2001-11-20  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:16  

Additional Information
 Earth MOID = 1.39478 au 
 Jupiter MOID = 2.29359 au 
 T_jup = 3.374 
[ 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 16.7   n/a MPO454288  

187164 (2005 RF42)          Discovered 2005-Sep-14 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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