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344215 (2001 RW42)
Classification: Main-belt Asteroid          SPK-ID: 2344215
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158886815874086 7.2059e-08  
a 2.316538196769647 1.279e-08 au
q 1.948470818834221 1.6489e-07 au
i 6.418074612852494 6.3045e-06 deg
node 288.991179979573 4.8279e-05 deg
peri 56.6219228452743 5.8232e-05 deg
M 111.356418475775 2.5308e-05 deg
tp 2458602.144902574899
(2019-Apr-28.64490257)
9.036e-05 TDB
period 1287.827293980671
3.53
1.0665e-05
2.92e-08
d
yr
n .2795405887750995 2.315e-09 deg/d
Q 2.684605574705073 1.4822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6726 days (18.41 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53081  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:01:09  

Additional Information
 Earth MOID = .949231 au 
 Jupiter MOID = 2.72233 au 
 T_jup = 3.555 
[ 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 17.1   n/a MPO503387  

344215 (2001 RW42)          Discovered 2001-Sep-06 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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