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JPL Small-Body Database Browser
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441087 (2007 RJ201)
Classification: Main-belt Asteroid          SPK-ID: 2441087
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745405302907618 6.1697e-07  
a 2.605995314276477 1.9987e-07 au
q 2.151143510187421 1.7709e-06 au
i 1.393283487111849 1.4067e-05 deg
node 333.9538941371824 0.00045133 deg
peri 13.67023764839874 0.00049179 deg
M 287.2218280302947 0.00023419 deg
tp 2458911.140098100936
(2020-Mar-02.64009810)
0.0010347 TDB
period 1536.593078524802
4.21
0.00017678
4.84e-07
d
yr
n .2342845383278805 2.6953e-08 deg/d
Q 3.060847118365535 2.3476e-07 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      4319 days (11.82 yr)  
   first obs. used      2003-10-19  
   last obs. used      2015-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .5714  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:41:50  

Additional Information
 Earth MOID = 1.14353 au 
 Jupiter MOID = 2.35346 au 
 T_jup = 3.390 
[ 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 17.8   n/a MPO342705  

441087 (2007 RJ201)          Discovered 2003-Oct-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2007 RJ201 = 2003 WM191 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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