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48791 (1997 SD33)
Classification: Main-belt Asteroid          SPK-ID: 2048791
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505052361432814 5.0328e-08  
a 3.186094415737395 2.2882e-08 au
q 2.706570523322048 1.6186e-07 au
i .2466451809427123 5.6355e-06 deg
node 322.5219869623418 0.001198 deg
peri 178.4717795173886 0.0011981 deg
M 185.1190639009752 1.8462e-05 deg
tp 2459609.581763476060
(2022-Jan-30.08176348)		 0.00011152 TDB
period 2077.238622771801
5.69		 2.2377e-05
6.126e-08		 d
yr
n .1733070028900327 1.867e-09 deg/d
Q 3.665618308152741 2.6325e-08 au
   Orbit Determination Parameters
   # obs. used (total)      757  
   data-arc span      10222 days (27.99 yr)  
   first obs. used      1991-10-08  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:38:38  

Additional Information
 Earth MOID = 1.72001 au 
 Jupiter MOID = 1.36029 au 
 T_jup = 3.180 
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[ 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 14.7   n/a MPO359067  
diameter diameter 5.676 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48791 (1997 SD33)          Discovered 1997-Sep-29 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1997 SD33 = 1999 BE27 = 2000 JY25 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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