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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08590476850230672 7.1351e-08  
a 2.848664902016226 5.9008e-08 au
q 2.603951003067877 2.2518e-07 au
i 8.082968049872223 6.9294e-06 deg
node 275.6423465332326 9.1789e-05 deg
peri 338.2426032809185 0.00013231 deg
M 68.43524897320782 8.9335e-05 deg
tp 2458866.660420406597
(2020-Jan-18.16042041)
0.00044097 TDB
period 1756.145414195482
4.81
5.4565e-05
1.494e-07
d
yr
n .2049944139534263 6.3694e-09 deg/d
Q 3.093378800964576 6.4077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      5092 days (13.94 yr)  
   first obs. used      2006-08-18  
   last obs. used      2020-07-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:31:04  

Additional Information
 Earth MOID = 1.58925 au 
 Jupiter MOID = 1.97992 au 
 T_jup = 3.286 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457471.5 (2016-Mar-24.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08409797690923217 7.1624e-08  
q 2.609191157154429 2.254e-07 au
tp 2457113.199205991605
(2015-Mar-31.69920599)
0.00048016 TDB
node 275.6788975304073 9.1747e-05 deg
peri 338.8167380307276 0.0001335 deg
i 8.084133174575882 6.9286e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      5092 days (13.94 yr)  
   first obs. used      2006-08-18  
   last obs. used      2020-07-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:31:04  

Additional Information
 Jupiter MOID = 1.97992 au 
 T_jup = 3.286 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.129979795356345E-15 -1.572401065922297E-14 -3.924073012449114E-12 3.796092503586653E-14 -1.031656849802272E-12 2.201264521816627E-15
q -1.572401065922297E-14 5.080403038425115E-14 -4.228909391568176E-12 -8.131155295785634E-14 -5.374023845847974E-14 2.968371799367885E-16
tp -3.924073012449114E-12 -4.228909391568176E-12 2.30550681014839E-7 -3.82737356759313E-10 4.684504171406685E-8 -6.854771126498564E-11
node 3.796092503586653E-14 -8.131155295785634E-14 -3.82737356759313E-10 8.417486968982393E-9 -8.412334835750789E-9 5.587324124423667E-11
peri -1.031656849802272E-12 -5.374023845847974E-14 4.684504171406685E-8 -8.412334835750789E-9 1.782293058387738E-8 -6.916716537608162E-11
i 2.201264521816627E-15 2.968371799367885E-16 -6.854771126498564E-11 5.587324124423667E-11 -6.916716537608162E-11 4.800501153497266E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1988-May-09 15:19 00:02 Jupiter 1.98973633789411 1.9897352951949 1.98973738059331 3.12557842838406 2.98627674578841 2447291.138313055 2.36762161629058 147.976394479732 41.8151567941457 -81.2474491407307 1416160.64595958 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 11:31:04 2021-Apr-14 11:31
2012-Aug-31 23:28 < 00:01 Jupiter 1.97497729261506 1.97497648594916 1.97497809928175 3.41659826006221 3.28867594840846 2456171.477820522 0.444032694775114 123.238809025755 26.0586144557609 -76.4968338447947 1896545.25246181 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 11:31:04 2021-Apr-14 11:31
2166-Apr-29 07:41 00:13 Jupiter 1.99226342090852 1.99226095113348 1.9922658907591 3.22258138781672 3.08783403664584 2512293.820123401 12.6561738145213 688.74600466512 38.1370805588215 -78.9869207979492 1417875.22304605 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 11:31:04 2021-Apr-14 11:31
2190-Aug-20 07:28 00:14 Jupiter 1.97001953501803 1.97001866139611 1.97002040865674 3.47008918138137 3.34389086585619 2521172.811147242 14.3400851996089 911.71945413237 36.0347933032715 -89.0316104988637 1877388.10242567 T 11 CATAB v2.0f-lin.ifort 2021-Apr-14 11:31:04 2021-Apr-14 11:31

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