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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505268110844759 4.5436e-08  
a 3.187452281047725 1.9257e-08 au
q 2.707655253697672 1.5077e-07 au
i .2466405650485199 4.1381e-06 deg
node 322.5241373791729 0.0011878 deg
peri 178.2535426922076 0.001188 deg
M 289.3356320343946 1.8299e-05 deg
tp 2459608.501671764543
(2022-Jan-29.00167176)
0.00010726 TDB
period 2078.566695830732
5.69
1.8836e-05
5.157e-08
d
yr
n .173196270642699 1.5695e-09 deg/d
Q 3.667249308397778 2.2155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      916  
   data-arc span      10696 days (29.28 yr)  
   first obs. used      1991-10-08  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:11:45  

Additional Information
 Earth MOID = 1.72057 au 
 Jupiter MOID = 1.357 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 14.69   n/a MPCxxxxx  
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

[ show close-approach data ]
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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