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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1286225141013352 5.5279e-08  
a 2.744085074593697 2.3354e-08 au
q 2.391133953391506 1.5559e-07 au
i 4.419260866076502 5.0181e-06 deg
node 80.94610580261661 7.9627e-05 deg
peri 94.62200310594673 8.186e-05 deg
M 247.8689936316397 2.1275e-05 deg
tp 2459913.651755768133
(2022-Nov-30.15175577)
0.00010108 TDB
period 1660.331411500292
4.55
2.1196e-05
5.803e-08
d
yr
n .2168241819111886 2.768e-09 deg/d
Q 3.097036195795889 2.6358e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:43  

Additional Information
 Earth MOID = 1.40137 au 
 Jupiter MOID = 1.87428 au 
 T_jup = 3.332 
[ 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 16.8   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 17:07 00:04 Jupiter 1.8910219238744 1.89102108895422 1.89102275879867 2.27494204891537 2.0687014253207 2420972.213086547 3.76413574529232 222.322026419316 10.1534662018495 -89.1670402114942 1695189.3346759 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:44 2021-Apr-14 05:56
1975-Apr-07 22:13 00:02 Jupiter 1.87280003456659 1.87279955254929 1.87280051658367 2.1478309987206 1.92577932177749 2442510.425433128 1.5477055401639 130.166169063465 12.8033462737791 -89.4008189962993 1906092.91078912 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:44 2021-Apr-14 05:56
2034-Mar-27 18:58 < 00:01 Jupiter 1.8865274658807 1.88652699395265 1.88652793780854 2.15756144301694 1.93832438072776 2464049.290001462 0.717874621741702 79.4858731651254 11.68879690677 89.1196740513921 2079799.77414279 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:44 2021-Apr-14 05:56
2093-Mar-17 17:50 00:03 Jupiter 1.92982683008657 1.92982585713532 1.929827803042 2.30201213800492 2.10272147127596 2485589.242865437 2.93498351189991 185.659695650626 11.3606337978717 -85.5938491161985 2269016.57685721 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:44 2021-Apr-14 05:56
2130-Apr-14 04:55 00:04 Jupiter 1.92947030260973 1.92946892726286 1.92947167795856 2.51704490888893 2.3361358204572 2499129.704596246 4.3255202063401 163.956083784304 17.4102266830205 84.9579096452369 1388028.86884741 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:44 2021-Apr-14 05:56
2152-Mar-10 08:32 00:05 Jupiter 1.99736791164772 1.99736572782973 1.99737009547537 2.56724202327489 2.39637077826932 2507130.855399993 5.18244820544043 265.331162463508 16.8340711360187 -78.5580397168499 2252820.07088853 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:44 2021-Apr-14 05:56
2189-Apr-06 13:09 00:07 Jupiter 1.88244628285232 1.88244510196497 1.88244746375541 2.27912079581867 2.07231146518093 2520672.048190074 6.61951350047156 347.515504554937 11.6781526949172 -88.2802889247322 1642318.97437884 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:56:44 2021-Apr-14 05:56

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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