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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949293037828765 7.3012e-08  
a 2.271501014284185 1.8083e-08 au
q 1.828718903027671 1.6016e-07 au
i 11.96090166932353 6.1267e-06 deg
node 29.27436744014853 2.6671e-05 deg
peri 301.3399568358707 3.6296e-05 deg
M 177.3990625874559 3.3819e-05 deg
tp 2458384.307157595860
(2018-Sep-22.80715760)
0.00011194 TDB
period 1250.454314865
3.42
1.4932e-05
4.088e-08
d
yr
n .2878953638852979 3.4378e-09 deg/d
Q 2.714283125540699 2.1607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      21645 days (59.26 yr)  
   first obs. used      1960-10-22  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52738  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:13:14  

Additional Information
 Earth MOID = .85151 au 
 Jupiter MOID = 2.73588 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 16.8   n/a MPO503021  

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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