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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2560387548543011 7.371e-08  
a 2.59724033156848 1.6921e-08 au
q 1.932246151016314 1.9263e-07 au
i 13.81406958736477 7.7253e-06 deg
node 229.7191214156107 1.8011e-05 deg
peri 170.0010728622991 2.206e-05 deg
M 40.03662240304433 8.7333e-06 deg
tp 2458430.471561814146
(2018-Nov-07.97156181)
3.7132e-05 TDB
period 1528.856183988514
4.19
1.4941e-05
4.091e-08
d
yr
n .2354701532886004 2.3012e-09 deg/d
Q 3.262234512120646 2.1254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      6385 days (17.48 yr)  
   first obs. used      2001-08-01  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45927  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:17:17  

Additional Information
 Earth MOID = .941759 au 
 Jupiter MOID = 2.15979 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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