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175009 (2004 EL81)
Classification: Main-belt Asteroid          SPK-ID: 2175009
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1431795829104681 5.0373e-08  
a 2.809163816487116 1.97e-08 au
q 2.406948912915313 1.4196e-07 au
i 10.52351564375568 4.0801e-06 deg
node 94.23884974920651 3.0326e-05 deg
peri 103.4021883631203 3.452e-05 deg
M 188.287243778782 1.9347e-05 deg
tp 2460020.783704632528
(2023-Mar-17.28370463)
9.7367e-05 TDB
period 1719.744881896086
4.71
1.8091e-05
4.953e-08
d
yr
n .2093333748451607 2.202e-09 deg/d
Q 3.21137872005892 2.2521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      6643 days (18.19 yr)  
   first obs. used      2002-12-05  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53672  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:03:39  

Additional Information
 Earth MOID = 1.43007 au 
 Jupiter MOID = 1.84953 au 
 T_jup = 3.282 
[ 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 15.29   n/a MPCxxxxx  

175009 (2004 EL81)          Discovered 2004-Mar-15 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ 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-Jun-06 12:24 00:03 Jupiter 1.99636479674905 1.9963634181543 1.9963661753463 3.28516104288025 3.15336617183162 2430152.016791696 2.53955318120056 153.001870014874 24.3194443501937 -73.7324962530431 1504051.69989941 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:03:41 2021-Apr-13 21:03
1964-Oct-13 12:47 00:02 Jupiter 1.92076865102231 1.92076781643887 1.92076948560586 2.78273455017127 2.61947505138335 2438682.032511656 1.78011879816275 109.390211290024 18.6210162889617 -82.6541777587833 1223658.9613496 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:03:41 2021-Apr-13 21:03
1988-Feb-28 17:30 < 00:01 Jupiter 1.86741300761092 1.86741247461212 1.86741354060962 2.32607615129362 2.12213780156237 2447220.228951307 0.996001412715991 137.450018741487 23.2286615294164 -82.2638607510151 1618340.04511513 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:03:41 2021-Apr-13 21:03
2011-Jul-26 08:36 < 00:01 Jupiter 1.84363682098096 1.84363633585395 1.84363730610818 1.98639180910997 1.73979652113881 2455768.858224760 0.268523460320838 162.842909037177 38.3052067736568 -81.7147758406429 1774610.78938406 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:03:41 2021-Apr-13 21:03
2034-Dec-22 22:30 < 00:01 Jupiter 1.84874290026767 1.8487423968682 1.84874340366768 1.7851400554781 1.50678543666265 2464319.437520805 0.646880888528685 179.972415115627 55.09748476813 -84.4306849291705 1737795.36438591 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:03:41 2021-Apr-13 21:03
2058-May-16 02:52 00:01 Jupiter 1.87234531110512 1.87234472908057 1.87234589313148 1.76782696538372 1.49011425549026 2472864.619473125 1.45576328311161 216.565324220998 44.5346285546529 85.3328646885785 1923135.07186658 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:03:41 2021-Apr-13 21:03
2081-Sep-30 12:40 00:02 Jupiter 1.91584039357399 1.91583957907082 1.91584120808064 2.00478002648877 1.77056832310223 2481403.027457830 2.29994524083981 210.954540031013 20.7459206597954 79.0234082448628 2086237.43289471 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:03:41 2021-Apr-13 21:03
2105-Feb-01 22:11 00:03 Jupiter 1.99605358677026 1.99605233141566 1.99605484212928 2.53617912192855 2.36294464017133 2489927.424025609 3.10739623006273 196.149074176944 18.9939586641311 89.8456198632947 2101864.40396614 T 17 CATAB v2.0f-lin.ifort 2021-Apr-13 21:03:41 2021-Apr-13 21:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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