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JPL Small-Body Database Browser
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193945 (2001 RT42)
Classification: Main-belt Asteroid          SPK-ID: 2193945
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05601414155748365 6.1194e-08  
a 2.253786329620056 1.241e-08 au
q 2.127542423112397 1.4069e-07 au
i 6.042393700867648 6.7872e-06 deg
node 335.4398332225339 6.4624e-05 deg
peri 89.54419929779188 9.7915e-05 deg
M 9.714706139856796 7.0414e-05 deg
tp 2458567.150087040990
(2019-Mar-24.65008704)
0.00024169 TDB
period 1235.855052371203
3.38
1.0207e-05
2.795e-08
d
yr
n .2912962966889016 2.4059e-09 deg/d
Q 2.380030236127716 1.3105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      8397 days (22.99 yr)  
   first obs. used      1996-01-25  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62524  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:24:47  

Additional Information
 Earth MOID = 1.15046 au 
 Jupiter MOID = 2.75664 au 
 T_jup = 3.616 
[ 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 17.5   n/a MPO454348  

193945 (2001 RT42)          Discovered 2001-Sep-11 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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