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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08581486980719823 1.0703e-07  
a 2.850211292236497 6.5426e-08 au
q 2.605620781270216 3.3831e-07 au
i 8.086203440871076 7.2693e-06 deg
node 275.6586599370055 0.00013738 deg
peri 338.7524379003108 0.00018964 deg
M 26.98745016062393 0.00013101 deg
tp 2458868.743101259031
(2020-Jan-20.24310126)
0.00063962 TDB
period 1757.575586594515
4.81
6.0517e-05
1.657e-07
d
yr
n .204827606133024 7.0526e-09 deg/d
Q 3.094801803202779 7.104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      4639 days (12.70 yr)  
   first obs. used      2006-08-18  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53324  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:21:52  

Additional Information
 Earth MOID = 1.59244 au 
 Jupiter MOID = 1.98025 au 
 T_jup = 3.286 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457157.5 (2015-May-15.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08389393092119532 1.0738e-07  
q 2.60923514222573 3.3809e-07 au
tp 2457112.971506705423
(2015-Mar-31.47150671)
0.00065567 TDB
node 275.6838817581755 0.00013744 deg
peri 338.7630089914074 0.00019149 deg
i 8.08527747716451 7.2701e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      4639 days (12.70 yr)  
   first obs. used      2006-08-18  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53324  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:21:52  

Additional Information
 Jupiter MOID = 1.98025 au 
 T_jup = 3.286 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.152943508348484E-14 -3.587022931133982E-14 -3.806222003846383E-11 1.961926732050327E-13 -8.119793121690863E-12 8.638198613481187E-15
q -3.587022931133982E-14 1.143070062548549E-13 1.04292859602395E-10 -5.521283500674263E-13 2.242747936897735E-11 -1.945285116200146E-14
tp -3.806222003846383E-11 1.04292859602395E-10 4.299021282991031E-7 -1.560504996100625E-9 8.820851537205155E-8 -1.044384441271681E-10
node 1.961926732050327E-13 -5.521283500674263E-13 -1.560504996100625E-9 1.888928559471941E-8 -1.901788415121241E-8 -8.275373174759598E-11
peri -8.119793121690863E-12 2.242747936897735E-11 8.820851537205155E-8 -1.901788415121241E-8 3.666861758383644E-8 6.077085339065346E-11
i 8.638198613481187E-15 -1.945285116200146E-14 -1.044384441271681E-10 -8.275373174759598E-11 6.077085339065346E-11 5.285462224158328E-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 16.0   n/a MPO434454  

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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