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65778 (1995 SD33)
Classification: Main-belt Asteroid          SPK-ID: 2065778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616819175787233 7.7173e-08  
a 2.545547962152665 1.5703e-08 au
q 2.133978886343211 2.0174e-07 au
i .1904448012682272 6.0341e-06 deg
node 68.2502342809468 0.0020969 deg
peri 292.5981930225781 0.0020971 deg
M 19.03348303558424 3.0331e-05 deg
tp 2458922.069294458055
(2020-Mar-13.56929446)
0.00012458 TDB
period 1483.441256774337
4.06
1.3726e-05
3.758e-08
d
yr
n .242678972528242 2.2455e-09 deg/d
Q 2.957117037962119 1.8241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      9141 days (25.03 yr)  
   first obs. used      1995-09-21  
   last obs. used      2020-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:20:49  

Additional Information
 Earth MOID = 1.13088 au 
 Jupiter MOID = 2.4943 au 
 T_jup = 3.425 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456179.5 (2012-Sep-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635327193850747 7.7018e-08  
q 2.130302681439432 2.02e-07 au
tp 2455956.906887841194
(2012-Jan-30.40688784)
0.0001099 TDB
node 68.05793357243556 0.0020741 deg
peri 293.2757682080688 0.0020742 deg
i .1927506381629698 6.0205e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      9141 days (25.03 yr)  
   first obs. used      1995-09-21  
   last obs. used      2020-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:20:49  

Additional Information
 Jupiter MOID = 2.4943 au 
 T_jup = 3.425 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.931843157493714E-15 -1.552904270093845E-14 -5.29946388919936E-12 1.339303805803733E-13 -1.161928738586158E-12 -1.999261454403836E-16
q -1.552904270093845E-14 4.080269538367823E-14 1.403451064062125E-11 -3.348718300727483E-13 3.067253342837702E-12 5.660031518047577E-16
tp -5.29946388919936E-12 1.403451064062125E-11 1.207799642870773E-8 -1.797328150259184E-10 2.917252647955512E-9 4.520842465611965E-13
node 1.339303805803733E-13 -3.348718300727483E-13 -1.797328150259184E-10 4.30179316544326E-6 -4.301805334398769E-6 3.771013319817509E-9
peri -1.161928738586158E-12 3.067253342837702E-12 2.917252647955512E-9 -4.301805334398769E-6 4.302465722111792E-6 -3.770888067898359E-9
i -1.999261454403836E-16 5.660031518047577E-16 4.520842465611965E-13 3.771013319817509E-9 -3.770888067898359E-9 3.62462372710241E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO439514  

65778 (1995 SD33)          Discovered 1995-Sep-21 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 SD33 = 1997 CP24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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