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JPL Small-Body Database Browser
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461391 (2001 RD146)
Classification: Main-belt Asteroid          SPK-ID: 2461391
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2561503955515122 7.2074e-08  
a 2.5964338662476 1.6436e-08 au
q 1.931356304384935 1.8771e-07 au
i 13.81454241726084 6.9424e-06 deg
node 229.7113034453223 1.7813e-05 deg
peri 169.9359249752114 2.1179e-05 deg
M 134.3170557311928 8.2211e-06 deg
tp 2458430.344934391422
(2018-Nov-07.84493439)
3.422e-05 TDB
period 1528.144154900657
4.18
1.451e-05
3.973e-08
d
yr
n .2355798691147716 2.2369e-09 deg/d
Q 3.261511428110265 2.0646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      6845 days (18.74 yr)  
   first obs. used      2001-08-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48693  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:17:27  

Additional Information
 Earth MOID = .941422 au 
 Jupiter MOID = 2.16263 au 
 T_jup = 3.330 
[ 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 16.7   n/a MPO369389  

461391 (2001 RD146)          Discovered 2001-Aug-01 by NEAT at Palomar
Reference: Last Updated: 2016-04-25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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