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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284207961978674 5.5473e-08  
a 2.74431142556755 2.631e-08 au
q 2.391884767281261 1.5728e-07 au
i 4.419304830906454 5.8484e-06 deg
node 80.94823942491193 7.9861e-05 deg
peri 94.74462713118923 8.2931e-05 deg
M 161.8455016337253 2.2085e-05 deg
tp 2458253.971057462909
(2018-May-15.47105746)
0.00010062 TDB
period 1660.536849034986
4.55
2.388e-05
6.538e-08
d
yr
n .216797356956705 3.1177e-09 deg/d
Q 3.09673808385384 2.9689e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6082 days (16.65 yr)  
   first obs. used      2002-10-05  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6111  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:03  

Additional Information
 Earth MOID = 1.40128 au 
 Jupiter MOID = 1.87628 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 1.89102185543292 1.89102099481075 1.89102271606047 2.27494178881895 2.06870113026114 2420972.212903806 4.13894461705477 244.733204868611 10.1959101471855 -89.2232110685173 1683571.60383622 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:55:05 2019-Sep-24 05:55
1975-Apr-07 22:13 00:02 Jupiter 1.87280005321816 1.87279956519449 1.87280054124163 2.14783107298802 1.92577940564984 2442510.425387484 1.66848379245048 140.060936420824 12.9725279967354 -89.6451880311676 1900221.79568915 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:55:05 2019-Sep-24 05:55
2034-Mar-27 18:58 < 00:01 Jupiter 1.8865275197112 1.88652703148948 1.88652800793281 2.15756160687082 1.93832456844448 2464049.289939307 0.863934688642077 92.9283283441127 12.5271190391002 89.5379763481359 2067683.89770403 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:55:05 2019-Sep-24 05:55
2093-Mar-17 17:49 00:03 Jupiter 1.92982704891851 1.92982592377405 1.92982817406878 2.30201291574132 2.10272234524051 2485589.242486154 3.33549392732303 213.726365253276 12.7302090645495 -85.5441631549945 2191388.72544003 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:55:05 2019-Sep-24 05:55
2130-Apr-14 04:54 00:05 Jupiter 1.92947005578205 1.92946844498295 1.92947166658378 2.51704386710803 2.33613467292431 2499129.704086162 4.88205204437859 183.959256940466 19.3322340573539 84.5103973478944 1262214.39720246 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:55:05 2019-Sep-24 05:55
2152-Mar-10 08:31 00:06 Jupiter 1.99736835910185 1.99736583878759 1.9973708794285 2.56724382761097 2.39637274992798 2507130.854746104 5.83858142398174 301.350111119056 18.82818418841 -78.3972338961327 2073179.85442313 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:55:05 2019-Sep-24 05:55
2189-Apr-06 13:08 00:07 Jupiter 1.88244605953854 1.88244470601961 1.88244741307865 2.27911957371605 2.07231009415933 2520672.047231952 7.4370929669424 389.872666509596 11.6992390446378 -88.3218837905111 1599164.60550562 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:55:05 2019-Sep-24 05:55

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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