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JPL Small-Body Database Browser
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193990 (2001 RQ147)
Classification: Main-belt Asteroid          SPK-ID: 2193990
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1947078364171438 7.8136e-08  
a 2.271603737621148 1.7994e-08 au
q 1.829304688671836 1.7301e-07 au
i 11.96139574290479 9.4991e-06 deg
node 29.28736227845431 2.6879e-05 deg
peri 301.3078824328006 3.9794e-05 deg
M 62.29086122879102 3.5652e-05 deg
tp 2458384.119000062062
(2018-Sep-22.61900006)
0.00012226 TDB
period 1250.539139145077
3.42
1.4859e-05
4.068e-08
d
yr
n .2878758358943582 3.4205e-09 deg/d
Q 2.713902786570458 2.1497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      20585 days (56.36 yr)  
   first obs. used      1960-10-22  
   last obs. used      2017-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54043  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 05:45:33  

Additional Information
 Earth MOID = .85126 au 
 Jupiter MOID = 2.73304 au 
 T_jup = 3.559 
[ 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 MPO360010  

193990 (2001 RQ147)          Discovered 2001-Sep-09 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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