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305846 (2009 EW3)
Classification: Main-belt Asteroid          SPK-ID: 2305846
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284208029635584 5.5311e-08  
a 2.744311427816271 2.3603e-08 au
q 2.391884750674035 1.5578e-07 au
i 4.419301435390619 5.0181e-06 deg
node 80.94822076463328 7.962e-05 deg
peri 94.74463081355769 8.1859e-05 deg
M 161.8455151610526 2.0861e-05 deg
tp 2458253.970994149155
(2018-May-15.47099415)
9.3092e-05 TDB
period 1660.536851075981
4.55
2.1422e-05
5.865e-08
d
yr
n .2167973566902356 2.7969e-09 deg/d
Q 3.096738104958505 2.6634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6563 days (17.97 yr)  
   first obs. used      2002-10-05  
   last obs. used      2020-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62028  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:32  

Additional Information
 Earth MOID = 1.40128 au 
 Jupiter MOID = 1.87628 au 
 T_jup = 3.332 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457343.5 (2015-Nov-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1265478307937578 5.5644e-08  
q 2.398939821310308 1.5652e-07 au
tp 2456591.138524160400
(2013-Oct-25.63852416)
9.0741e-05 TDB
node 80.97496973454277 7.96e-05 deg
peri 94.84318353597686 8.1889e-05 deg
i 4.419116364403573 5.0193e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6563 days (17.97 yr)  
   first obs. used      2002-10-05  
   last obs. used      2020-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62028  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:32  

Additional Information
 Jupiter MOID = 1.87628 au 
 T_jup = 3.332 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.096283401433817E-15 -8.635069653762471E-15 1.396961130344069E-12 -3.260165343611769E-15 2.649564154556225E-13 8.061103317224309E-16
q -8.635069653762471E-15 2.449927352233111E-14 -3.740120209875515E-12 9.018181830276415E-15 -6.684765016103572E-13 -2.035267852083104E-15
tp 1.396961130344069E-12 -3.740120209875515E-12 8.233998423285491E-9 -2.20531687332572E-11 1.790320398395062E-9 1.313223371403911E-12
node -3.260165343611769E-15 9.018181830276415E-15 -2.20531687332572E-11 6.336191569295674E-9 -6.322132142279058E-9 -1.09989828908044E-10
peri 2.649564154556225E-13 -6.684765016103572E-13 1.790320398395062E-9 -6.322132142279058E-9 6.705759245691988E-9 1.099668836766973E-10
i 8.061103317224309E-16 -2.035267852083104E-15 1.313223371403911E-12 -1.09989828908044E-10 1.099668836766973E-10 2.519313322806948E-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 16.8   n/a MPO437357  

305846 (2009 EW3)          Discovered 2009-Mar-15 by La Sagra at La Sagra
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
1916-Apr-18 17:06 00:04 Jupiter 1.89102183792912 1.89102100308562 1.89102267277682 2.2749417561966 2.0687010923823 2420972.212834911 3.76373778154166 222.302792774017 10.1534433035178 -89.1669154264625 1695204.11541304 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:32 2020-Nov-11 19:10
1975-Apr-07 22:13 00:02 Jupiter 1.87280002106331 1.87279953904602 1.87280050308039 2.14783107587396 1.92577940483626 2442510.425385500 1.54767819898238 130.164833856659 12.8033523901461 -89.4008166665968 1906093.35418532 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:32 2020-Nov-11 19:10
2034-Mar-27 18:58 < 00:01 Jupiter 1.88652745270773 1.88652698078021 1.88652792463503 2.15756144437699 1.93832437934458 2464049.289985695 0.717872247071347 79.4857647886463 11.6887937474322 89.1196662806007 2079799.90108835 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:32 2020-Nov-11 19:10
2093-Mar-17 17:49 00:03 Jupiter 1.92982693221781 1.92982595933792 1.92982790510188 2.30201247367649 2.10272184865529 2485589.242581966 2.93478153905658 185.647524348685 11.3605275723127 -85.5940275087086 2269025.56828391 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:32 2020-Nov-11 19:10
2130-Apr-14 04:54 00:04 Jupiter 1.92947013355981 1.92946875836683 1.92947150875476 2.51704422921033 2.33613507064253 2499129.704200908 4.32487223582199 163.935889906888 17.4101330876238 84.9583327680263 1388036.67169738 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:32 2020-Nov-11 19:10
2152-Mar-10 08:31 00:05 Jupiter 1.99736818578553 1.99736600246397 1.99737036911664 2.56724308523164 2.39637193925849 2507130.854883143 5.18134964779396 265.27566380429 16.8338234845987 -78.5584955366686 2252845.57183499 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:32 2020-Nov-11 19:10
2189-Apr-06 13:08 00:07 Jupiter 1.88244609662251 1.88244491600642 1.88244727725433 2.27911980572432 2.07231035359865 2520672.047386444 6.6172540587745 347.400585973799 11.678216222195 -88.2803444721696 1642309.09654669 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:10:32 2020-Nov-11 19:10

Alternate Designations
 2009 EW3 = 2002 TP337 = 2005 JV144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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