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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505065728819064 4.6797e-08  
a 3.186631342481339 2.0195e-08 au
q 2.707022380086404 1.538e-07 au
i .2466208436825546 4.7267e-06 deg
node 322.5156513609548 0.0011924 deg
peri 178.3584418506325 0.0011926 deg
M 254.5861027757565 1.8343e-05 deg
tp 2459608.903257899966
(2022-Jan-29.40325790)
0.00010844 TDB
period 2077.763735250797
5.69
1.9752e-05
5.408e-08
d
yr
n .1732632030737345 1.6471e-09 deg/d
Q 3.666240304876273 2.3235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      10610 days (29.05 yr)  
   first obs. used      1991-10-08  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57195  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:45  

Additional Information
 Earth MOID = 1.72003 au 
 Jupiter MOID = 1.35844 au 
 T_jup = 3.180 
[ 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 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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