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JPL Small-Body Database Browser
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146557 (2001 SR318)
Classification: Main-belt Asteroid          SPK-ID: 2146557
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021091922391203 5.9642e-08  
a 2.577525693019656 2.142e-08 au
q 2.31433662652984 1.5659e-07 au
i 4.313634922913735 6.5802e-06 deg
node 2.898036662828034 5.5748e-05 deg
peri 172.3935700020438 6.1015e-05 deg
M 277.9166779288773 2.3733e-05 deg
tp 2458945.131805723670
(2020-Apr-05.63180572)
0.00010059 TDB
period 1511.481832485049
4.14
1.8841e-05
5.158e-08
d
yr
n .2381768621116132 2.969e-09 deg/d
Q 2.840714759509471 2.3607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      7742 days (21.20 yr)  
   first obs. used      1997-10-23  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56056  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:25:02  

Additional Information
 Earth MOID = 1.31923 au 
 Jupiter MOID = 2.12303 au 
 T_jup = 3.415 
[ 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 16.0   n/a MPO417788  

146557 (2001 SR318)          Discovered 2001-Sep-21 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 SR318 = 1997 UG27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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