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392560 (2011 SD74)
Classification: Main-belt Asteroid          SPK-ID: 2392560
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0859047713948102 7.4933e-08  
a 2.848664900612039 5.902e-08 au
q 2.603950993544542 2.3414e-07 au
i 8.082968488213652 7.1809e-06 deg
node 275.6423433511245 9.2757e-05 deg
peri 338.2426073398599 0.00013289 deg
M 68.43524803688737 8.9343e-05 deg
tp 2458866.660425220977
(2020-Jan-18.16042522)
0.000441 TDB
period 1756.145412897002
4.81
5.4577e-05
1.494e-07
d
yr
n .2049944141049977 6.3708e-09 deg/d
Q 3.093378807679536 6.409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5092 days (13.94 yr)  
   first obs. used      2006-08-18  
   last obs. used      2020-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:24:24  

Additional Information
 Earth MOID = 1.58925 au 
 Jupiter MOID = 1.97992 au 
 T_jup = 3.286 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457368.5 (2015-Dec-12.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08402899192020409 7.5226e-08  
q 2.609209102258495 2.3435e-07 au
tp 2457113.078001394839
(2015-Mar-31.57800139)
0.0004805 TDB
node 275.6824988269962 9.2709e-05 deg
peri 338.7875656060893 0.00013413 deg
i 8.084554480381485 7.1813e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5092 days (13.94 yr)  
   first obs. used      2006-08-18  
   last obs. used      2020-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:24:24  

Additional Information
 Jupiter MOID = 1.97992 au 
 T_jup = 3.286 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.658969170187901E-15 -1.719942638077706E-14 -3.917369183697223E-12 3.896369470741524E-14 -1.080473526215137E-12 3.192795449258661E-15
q -1.719942638077706E-14 5.492054393204482E-14 -4.279293427853367E-12 -8.749629052315959E-14 7.966786184290352E-14 -1.81178776019214E-15
tp -3.917369183697223E-12 -4.279293427853367E-12 2.308806173515997E-7 -3.239487118650387E-10 4.68540115729633E-8 -7.676826303254893E-11
node 3.896369470741524E-14 -8.749629052315959E-14 -3.239487118650387E-10 8.594874144662811E-9 -8.576244153244195E-9 3.071867389688218E-11
peri -1.080473526215137E-12 7.966786184290352E-14 4.68540115729633E-8 -8.576244153244195E-9 1.799189220204239E-8 -4.599641010954397E-11
i 3.192795449258661E-15 -1.81178776019214E-15 -7.676826303254893E-11 3.071867389688218E-11 -4.599641010954397E-11 5.157121119045665E-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 16.11   n/a E2021B25  

392560 (2011 SD74)          Discovered 2007-Nov-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2011 SD74 = 2007 WO32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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