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193944 (2001 RY38)
Classification: Main-belt Asteroid          SPK-ID: 2193944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1495269609663552 3.7779e-08  
a 2.245411443454485 1.3235e-08 au
q 1.909661894195659 8.8622e-08 au
i 6.069292966474724 4.1079e-06 deg
node 190.8042936927882 3.7991e-05 deg
peri 81.84379905194237 4.1554e-05 deg
M 258.3900408519653 1.9783e-05 deg
tp 2459347.377475892879
(2021-May-12.87747589)
6.9748e-05 TDB
period 1228.972950766625
3.36
1.0866e-05
2.975e-08
d
yr
n .2929275211268356 2.5898e-09 deg/d
Q 2.581160992713311 1.5214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      8331 days (22.81 yr)  
   first obs. used      1997-04-11  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56793  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:12:12  

Additional Information
 Earth MOID = .905235 au 
 Jupiter MOID = 2.52426 au 
 T_jup = 3.609 
[ 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 17.0   n/a MPO454348  

193944 (2001 RY38)          Discovered 2001-Sep-09 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2001 RY38 = 2007 EQ54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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