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305494 (2008 EQ47)
Classification: Main-belt Asteroid          SPK-ID: 2305494
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467869983149118 6.6179e-08  
a 3.102627917689678 3.8197e-08 au
q 2.647202478763965 1.9624e-07 au
i 6.121143117479063 6.9403e-06 deg
node 60.55065902170234 5.2737e-05 deg
peri 18.06384365603195 5.8032e-05 deg
M 188.8343829197022 2.3713e-05 deg
tp 2459949.589131757713
(2023-Jan-05.08913176)
0.00014023 TDB
period 1996.149070478859
5.47
3.6862e-05
1.009e-07
d
yr
n .1803472522789288 3.3304e-09 deg/d
Q 3.558053356615392 4.3804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      4535 days (12.42 yr)  
   first obs. used      2006-12-10  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57831  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:08:17  

Additional Information
 Earth MOID = 1.66346 au 
 Jupiter MOID = 1.71468 au 
 T_jup = 3.196 
[ 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 16.2   n/a MPO258184  

305494 (2008 EQ47)          Discovered 2008-Mar-05 by Mt. Lemmon Survey at Mount Lemmon
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
1900-Jan-02 11:42 00:07 Jupiter 1.88710446701199 1.88710205028109 1.88710688374556 2.52970176779522 2.34556935878908 2415021.987734189 6.68640180266507 197.202347152103 31.1665113213271 69.1959006930559 1030340.23489708 T 7 CATAB v2.0e-lin.ifort 2019-May-30 09:08:19 2019-May-30 09:08
1950-Oct-04 02:58 00:04 Jupiter 1.90746515743291 1.90746359391943 1.90746672094855 3.08242109072718 2.93482649504949 2433558.623738806 3.79883039694327 154.982768899299 23.589125517562 76.2285991149881 1312764.82433771 T 7 CATAB v2.0e-lin.ifort 2019-May-30 09:08:19 2019-May-30 09:08
1960-Aug-20 06:22 00:03 Jupiter 1.72243724159429 1.72243668384966 1.7224377993397 1.98046495258586 1.71427103159548 2437166.764955271 3.22928489131478 166.156355605229 32.702570026136 83.7769075495446 1685427.65443811 T 7 CATAB v2.0e-lin.ifort 2019-May-30 09:08:19 2019-May-30 09:08
2021-Apr-25 19:51 < 00:01 Jupiter 1.79521281069879 1.79521213026027 1.7952134911371 2.32411321891995 2.11136364770653 2459330.326883968 0.693962574783332 78.0252408310077 10.4109990534276 80.7415692690793 1840452.94472781 T 7 CATAB v2.0e-lin.ifort 2019-May-30 09:08:19 2019-May-30 09:08
2031-Mar-16 01:44 00:01 Jupiter 1.77942867149226 1.7794277348946 1.77942960808963 2.19202916542541 1.96289979379373 2462941.572397646 1.18177066556473 97.2199146192749 19.0746076495781 77.9905694561309 1250957.89126803 T 7 CATAB v2.0e-lin.ifort 2019-May-30 09:08:19 2019-May-30 09:08
2091-Nov-12 23:42 00:05 Jupiter 1.72470188425896 1.72470127754399 1.72470249097678 1.92008925028979 1.64454184789618 2485098.487175684 4.99224246875181 249.368928859826 31.9870682653253 -88.7684634380211 1961486.17018731 T 7 CATAB v2.0e-lin.ifort 2019-May-30 09:08:19 2019-May-30 09:08
2101-Oct-14 08:25 00:05 Jupiter 1.89644901593689 1.89644648079412 1.89645155107999 2.56512788707406 2.38466118300711 2488720.850598985 5.28586525533076 162.454605014045 34.7618288977662 65.6332915790887 878597.6561114 T 7 CATAB v2.0e-lin.ifort 2019-May-30 09:08:19 2019-May-30 09:08
2152-Jul-23 11:48 00:09 Jupiter 1.88734643206613 1.88734351462958 1.88734934951984 3.05752007829803 2.90703434793886 2507265.991874975 8.56183461332379 344.639393968084 23.758968130173 78.7572305142732 1327387.10742517 T 7 CATAB v2.0e-lin.ifort 2019-May-30 09:08:19 2019-May-30 09:08
2162-Jun-05 20:41 00:09 Jupiter 1.72069495098711 1.72069366632708 1.7206962356625 1.90725654699733 1.6288386714125 2510870.361784031 9.27371896922291 370.369577603762 34.252402010726 80.7636664558802 1538860.83748231 T 7 CATAB v2.0e-lin.ifort 2019-May-30 09:08:19 2019-May-30 09:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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