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JPL Small-Body Database Browser
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172456 (2003 RW)
Classification: Main-belt Asteroid          SPK-ID: 2172456
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1249851727829142 4.9523e-08  
a 2.284296598892612 1.3303e-08 au
q 1.998793393792596 1.1311e-07 au
i 5.801932655858975 6.1483e-06 deg
node 240.8631396918499 6.5749e-05 deg
peri 61.03417345552881 7.5176e-05 deg
M 345.9064760500215 3.878e-05 deg
tp 2459049.867855661971
(2020-Jul-19.36785566)
0.00013603 TDB
period 1261.0350754991
3.45
1.1016e-05
3.016e-08
d
yr
n .2854797673708774 2.4938e-09 deg/d
Q 2.569799803992629 1.4966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      7758 days (21.24 yr)  
   first obs. used      1998-01-31  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63147  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:13:27  

Additional Information
 Earth MOID = .990955 au 
 Jupiter MOID = 2.61666 au 
 T_jup = 3.586 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO266536  

172456 (2003 RW)          Discovered 2003-Sep-01 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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