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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494698847315189 3.9103e-08  
a 2.245658629050653 1.3959e-08 au
q 1.910000292620111 9.1453e-08 au
i 6.069143836176907 5.2412e-06 deg
node 190.8181212700281 3.9825e-05 deg
peri 81.74018718248864 4.4549e-05 deg
M 141.3451156913432 2.0486e-05 deg
tp 2458117.894419936699
(2017-Dec-30.39441994)
6.7719e-05 TDB
period 1229.175893153476
3.37
1.1461e-05
3.138e-08
d
yr
n .2928791574950372 2.7308e-09 deg/d
Q 2.581316965481194 1.6046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      7860 days (21.52 yr)  
   first obs. used      1997-04-11  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57019  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:38:54  

Additional Information
 Earth MOID = .905097 au 
 Jupiter MOID = 2.52343 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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