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JPL Small-Body Database Browser
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109940 (2001 SR41)
Classification: Main-belt Asteroid          SPK-ID: 2109940
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1454491056221807 5.3349e-08  
a 3.096967227817808 2.1922e-08 au
q 2.646516114390503 1.6886e-07 au
i 1.198033190403354 6.1575e-06 deg
node 170.1336133056852 0.00022806 deg
peri 202.0696991510432 0.00022883 deg
M 73.86379167290549 1.7702e-05 deg
tp 2458192.056077532006
(2018-Mar-14.55607753)
9.6356e-05 TDB
period 1990.688654863823
5.45
2.1137e-05
5.787e-08
d
yr
n .1808419408632369 1.9201e-09 deg/d
Q 3.547418341245113 2.511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      6341 days (17.36 yr)  
   first obs. used      2001-08-27  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59073  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:06:22  

Additional Information
 Earth MOID = 1.64594 au 
 Jupiter MOID = 1.91343 au 
 T_jup = 3.206 
[ 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 15.4   n/a MPO426696  
diameter diameter 5.360 km 0.831 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109940 (2001 SR41)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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