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JPL Small-Body Database Browser
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277251 (2005 RW44)
Classification: Outer Main-belt Asteroid          SPK-ID: 2277251
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2720406516045366 5.419e-08  
a 3.970097910836914 9.5313e-08 au
q 2.89006988823903 2.4595e-07 au
i 9.584992318647441 6.0303e-06 deg
node 141.5936543444784 4.3875e-05 deg
peri 177.7600184024053 4.609e-05 deg
M 280.0791157062455 1.9246e-05 deg
tp 2459241.942945065295
(2021-Jan-27.44294507)
0.00017132 TDB
period 2889.350665525002
7.91
0.00010405
2.849e-07
d
yr
n .124595468558188 4.4869e-09 deg/d
Q 5.050125933434797 1.2124e-07 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      5876 days (16.09 yr)  
   first obs. used      2003-04-08  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:54:59  

Additional Information
 Earth MOID = 1.8763 au 
 Jupiter MOID = .316794 au 
 T_jup = 2.968 
[ 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 14.5   n/a MPO440343  

277251 (2005 RW44)          Discovered 2005-Sep-03 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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