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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08483877668179871 1.0682e-07  
a 2.847301997662858 6.4602e-08 au
q 2.605740379337499 3.3674e-07 au
i 8.086931128541583 7.2715e-06 deg
node 275.6616767122069 0.00013742 deg
peri 339.0596849998913 0.00019061 deg
M 304.7092461645505 0.00013248 deg
tp 2458870.024802509286
(2020-Jan-21.52480251)
0.00064563 TDB
period 1754.885259696592
4.80
5.9724e-05
1.635e-07
d
yr
n .2051416171005058 6.9816e-09 deg/d
Q 3.088863615988216 7.0082e-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 = 1.59215 au 
 Jupiter MOID = 1.98602 au 
 T_jup = 3.287 
[ 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 = 1.98602 au 
 T_jup = 3.287 
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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