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JPL Small-Body Database Browser
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379545 (2011 AC15)
Classification: Main-belt Asteroid          SPK-ID: 2379545
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363770081090857 1.1619e-07  
a 2.706298396347273 6.0598e-08 au
q 2.337221518003015 3.4257e-07 au
i 8.249278128710696 6.8684e-06 deg
node 45.20136649638064 6.5131e-05 deg
peri 143.644699954183 8.1438e-05 deg
M 286.7867040574914 5.9644e-05 deg
tp 2458931.211582081703
(2020-Mar-22.71158208)
0.0002787 TDB
period 1626.155031224151
4.45
5.4618e-05
1.495e-07
d
yr
n .221381106405947 7.4356e-09 deg/d
Q 3.075375274691531 6.8862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6163 days (16.87 yr)  
   first obs. used      2002-02-22  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58625  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:16:42  

Additional Information
 Earth MOID = 1.34305 au 
 Jupiter MOID = 1.89333 au 
 T_jup = 3.337 
[ show covariance matrix ]

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 16.5   n/a MPO418931  

379545 (2011 AC15)          Discovered 2009-Sep-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ 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
1967-May-24 00:18 00:02 Thisb 0.0436086803563442 0.0435911394298217 0.0436262319170283 6.20333379050909 6.20333376530468 2439634.512715245 2.14955110297565 1396.68213664214 145.91049529628 -51.6167080091115 35158.579412561 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 10:16:44 2019-Jul-14 10:16

Alternate Designations
 2011 AC15 = 2009 VG66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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