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305491 (2008 EK24)
Classification: Main-belt Asteroid          SPK-ID: 2305491
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04023337271962274 7.0527e-08  
a 3.097956524252925 4.035e-08 au
q 2.973315284743471 2.1133e-07 au
i 11.17977222171805 9.4706e-06 deg
node 37.42865990424342 3.7856e-05 deg
peri 95.61127122846422 0.00014693 deg
M 124.007272943866 0.0001386 deg
tp 2458314.449537949879
(2018-Jul-14.94953795)
0.00076481 TDB
period 1991.642590590975
5.45
3.8911e-05
1.065e-07
d
yr
n .1807553231190834 3.5314e-09 deg/d
Q 3.22259776376238 4.1974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      6812 days (18.65 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:47  

Additional Information
 Earth MOID = 2.01335 au 
 Jupiter MOID = 1.81191 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456730.5 (2014-Mar-14.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04164076086331372 7.0085e-08  
q 2.966174709188047 2.1086e-07 au
tp 2456310.240101279796
(2013-Jan-17.74010128)
0.00073481 TDB
node 37.4708768584664 3.7825e-05 deg
peri 92.82851954876183 0.00014249 deg
i 11.18818123941789 9.4764e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      6812 days (18.65 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:47  

Additional Information
 Jupiter MOID = 1.81191 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.911880765712569E-15 -1.453279403328541E-14 4.565398276884106E-12 2.211647153367293E-14 6.791476120331811E-13 -2.003059172760514E-14
q -1.453279403328541E-14 4.44621894283609E-14 -1.163624099299576E-11 -7.829287446472667E-14 -1.602507847115922E-12 6.170482787779854E-14
tp 4.565398276884106E-12 -1.163624099299576E-11 5.399508873363079E-7 7.703037754285414E-11 1.009889137450852E-7 -2.598762493895542E-12
node 2.211647153367293E-14 -7.829287446472667E-14 7.703037754285414E-11 1.430699714208267E-9 -1.390122858381398E-9 -1.0731305048936E-10
peri 6.791476120331811E-13 -1.602507847115922E-12 1.009889137450852E-7 -1.390122858381398E-9 2.030420582468198E-8 1.054196257880576E-10
i -2.003059172760514E-14 6.170482787779854E-14 -2.598762493895542E-12 -1.0731305048936E-10 1.054196257880576E-10 8.980219843605691E-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 16.0   n/a MPO476360  

305491 (2008 EK24)          Discovered 2008-Mar-03 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
1941-Jan-24 19:09 00:04 Jupiter 1.94464068069568 1.94463869549019 1.94464266590869 4.42865590772569 4.32918674882381 2430019.298161712 4.11816382170282 240.690007650681 41.0905614264734 -68.8908815541262 1571989.40222543 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:54:48 2019-Sep-24 05:54
1951-Jan-25 20:04 00:04 Jupiter 1.85049139727623 1.85049035755599 1.85049243700046 3.41612276846846 3.27939596815385 2433672.335999321 3.82923476704214 324.661587872699 40.4890280776084 -83.3232226835279 1425101.6467034 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:54:48 2019-Sep-24 05:54
2011-Jun-22 19:37 < 00:01 Jupiter 1.82370941074763 1.82370840788024 1.82371041361708 4.12647653217958 4.01234442999474 2455735.317690888 0.512330270576148 230.429542840294 37.2161494265099 -83.6260772317473 1483091.06959516 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:54:48 2019-Sep-24 05:54
2021-May-26 20:55 < 00:01 Jupiter 1.96355053383174 1.9635495243546 1.96355154330877 2.96941422171424 2.82040333850859 2459361.371481956 0.850096734959529 97.1397300034123 39.3546693682599 81.9916929918846 1670302.8994236 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:54:48 2019-Sep-24 05:54
2081-Nov-12 06:39 00:04 Jupiter 1.81647297317325 1.81647183717642 1.81647410918371 3.68066723508435 3.55171930323247 2481445.777333011 4.13767577023108 431.912402633917 38.5627317461957 -84.1668697368912 1466808.4860576 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:54:48 2019-Sep-24 05:54
2142-Apr-05 05:15 00:07 Jupiter 1.85115450428412 1.85115232358251 1.85115668499498 4.21381538808503 4.1037922949153 2503503.719032769 7.41689357541328 280.043098193298 54.5871154804045 -71.7140973325631 1223325.3730704 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:54:48 2019-Sep-24 05:54
2152-Mar-23 09:02 00:09 Jupiter 1.91382910482831 1.91382618293428 1.91383202674943 3.18473187329671 3.04259052007007 2507143.876244759 8.74459013980758 430.116402001625 58.4416707948876 -68.4922246948026 1564285.58915539 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:54:48 2019-Sep-24 05:54
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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