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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .150506577436599 5.0277e-08  
a 3.186631344689165 2.2626e-08 au
q 2.707022367447811 1.6169e-07 au
i .2466230734421291 5.6332e-06 deg
node 322.515532871153 0.0011928 deg
peri 178.3585610055298 0.001193 deg
M 254.5861013748795 1.8775e-05 deg
tp 2459608.903266617509
(2022-Jan-29.40326662)
0.00011153 TDB
period 2077.763737410134
5.69
2.2129e-05
6.059e-08
d
yr
n .173263202893669 1.8453e-09 deg/d
Q 3.666240321930518 2.6031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      10264 days (28.10 yr)  
   first obs. used      1991-10-08  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:48:30  

Additional Information
 Earth MOID = 1.72003 au 
 Jupiter MOID = 1.35844 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456386.5 (2013-Apr-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479829250928928 5.1069e-08  
q 2.718300272543535 1.6443e-07 au
tp 2455453.875591349008
(2010-Sep-14.37559135)
9.875e-05 TDB
node 323.4439611311775 0.0011792 deg
peri 178.2157485691444 0.0011793 deg
i .2484028537631842 5.6498e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      10264 days (28.10 yr)  
   first obs. used      1991-10-08  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:48:30  

Additional Information
 Jupiter MOID = 1.35844 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.6079950585407E-15 -8.337576138596075E-15 8.389295037865582E-13 -9.899205414917276E-15 2.334327340947888E-13 -1.29730587029146E-16
q -8.337576138596075E-15 2.70357299588615E-14 -2.504047526499982E-12 3.740745533829689E-14 -6.885355715762567E-13 5.283289885303686E-16
tp 8.389295037865582E-13 -2.504047526499982E-12 9.751585470561872E-9 1.930499795716766E-11 1.76893925765148E-9 -7.465269910210861E-14
node -9.899205414917276E-15 3.740745533829689E-14 1.930499795716766E-11 1.390480098252115E-6 -1.390461980210238E-6 1.262161655855921E-9
peri 2.334327340947888E-13 -6.885355715762567E-13 1.76893925765148E-9 -1.390461980210238E-6 1.390790547495593E-6 -1.262151138076403E-9
i -1.29730587029146E-16 5.283289885303686E-16 -7.465269910210861E-14 1.262161655855921E-9 -1.262151138076403E-9 3.191980162435653E-11

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

[ 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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