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305851 (2009 EB6)
Classification: Main-belt Asteroid          SPK-ID: 2305851
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435947831998417 4.4528e-08  
a 2.352398193680107 1.685e-08 au
q 2.014606085058913 9.9133e-08 au
i 1.961845104715405 4.4093e-06 deg
node 47.75052417971022 0.0001477 deg
peri 52.16725280013322 0.00014948 deg
M 98.2879857797101 2.3145e-05 deg
tp 2458640.698791995741
(2019-Jun-06.19879200)
8.2772e-05 TDB
period 1317.846060777373
3.61
1.4159e-05
3.877e-08
d
yr
n .2731730288647239 2.935e-09 deg/d
Q 2.690190302301301 1.9269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6593 days (18.05 yr)  
   first obs. used      2002-05-08  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:30  

Additional Information
 Earth MOID = 1.03219 au 
 Jupiter MOID = 2.44946 au 
 T_jup = 3.542 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457370.5 (2015-Dec-14.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431623023426188 4.463e-08  
q 2.016045898029409 9.9352e-08 au
tp 2457323.773776744078
(2015-Oct-28.27377674)
7.7155e-05 TDB
node 47.76137737521062 0.00014772 deg
peri 52.53471642447556 0.0001495 deg
i 1.962073558550554 4.4077e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6593 days (18.05 yr)  
   first obs. used      2002-05-08  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:30  

Additional Information
 Jupiter MOID = 2.44946 au 
 T_jup = 3.542 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.991809783573159E-15 -4.396767790668531E-15 7.238171231169878E-13 1.707108631882454E-14 1.439510176306093E-13 -2.191229729405402E-15
q -4.396767790668531E-15 9.870886736202504E-15 -1.339253377344185E-12 -3.638661978047984E-14 -2.40498894828252E-13 4.838768463264543E-15
tp 7.238171231169878E-13 -1.339253377344185E-12 5.952879690898625E-9 3.383279800073327E-11 1.796977360921465E-9 -3.234587720836376E-12
node 1.707108631882454E-14 -3.638661978047984E-14 3.383279800073327E-11 2.18203835140072E-8 -2.179759038087732E-8 -9.03651008413343E-11
peri 1.439510176306093E-13 -2.40498894828252E-13 1.796977360921465E-9 -2.179759038087732E-8 2.235113794878387E-8 8.939540863258345E-11
i -2.191229729405402E-15 4.838768463264543E-15 -3.234587720836376E-12 -9.03651008413343E-11 8.939540863258345E-11 1.942789672105711E-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 17.5   n/a MPO460268  

305851 (2009 EB6)          Discovered 2009-Mar-01 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
1917-Mar-27 08:15 00:18 Amphi 0.0497856004842641 0.0497512501202099 0.0498199533340652 1.9287868169965 1.92878675712983 2421314.843721855 17.6440555107587 1795.77939594469 66.7049068813895 17.9221569854018 34507.6357139865 T 14 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:30 2020-Nov-11 19:10

Alternate Designations
 2009 EB6 = 2004 XC121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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