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541290 (2011 ER82)
Classification: Main-belt Asteroid          SPK-ID: 2541290
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06327927930318927 5.47e-08  
a 3.012537261951984 4.2406e-08 au
q 2.821906075141659 1.6685e-07 au
i 1.71683372496744 6.7812e-06 deg
node 131.152380865426 0.00018914 deg
peri 114.5222662938839 0.00019891 deg
M 285.4173992934025 6.5066e-05 deg
tp 2459792.169059245969
(2022-Jul-31.66905925)
0.00034902 TDB
period 1909.840364630093
5.23
4.0326e-05
1.104e-07
d
yr
n .1884974297680249 3.9801e-09 deg/d
Q 3.203168448762308 4.509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      7224 days (19.78 yr)  
   first obs. used      2001-05-24  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:45  

Additional Information
 Earth MOID = 1.80915 au 
 Jupiter MOID = 1.79571 au 
 T_jup = 3.245 
[ 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 16.81   .31626 MPCxxxxx autocmod 2.8

541290 (2011 ER82)          Discovered 2008-Sep-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ 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
1903-Nov-19 05:19 00:07 Jupiter 1.90419743857912 1.90419513521695 1.90419974196646 3.19491661487703 3.05251615884312 2416437.721497863 7.28799518675337 386.89882000387 21.025095590133 -78.1604590080836 2066092.73335117 T 9 CATAB v2.0g-lin.ifort 2021-Apr-14 20:22:45 2021-Apr-14 20:22
1941-Jun-15 17:31 00:05 Jupiter 1.82820305272478 1.8282018905729 1.82820421487821 2.64856495272139 2.46744377139521 2430161.229760670 5.00842721424366 131.570766426446 19.6634778577239 74.5403621788762 1976071.64826825 T 9 CATAB v2.0g-lin.ifort 2021-Apr-14 20:22:45 2021-Apr-14 20:22
1988-Feb-17 06:40 00:02 Jupiter 1.80075112797065 1.80075058075103 1.80075167519007 2.65865142693765 2.47541589485071 2447208.777524993 1.98037028619378 105.785796425203 11.0666662933421 88.2736292324177 2132727.60701455 T 9 CATAB v2.0g-lin.ifort 2021-Apr-14 20:22:45 2021-Apr-14 20:22
2034-Oct-23 00:06 00:01 Jupiter 1.85893255773722 1.85893194939218 1.85893316608216 2.98543194073719 2.82869298260408 2464258.503990413 1.11008916642391 76.3754380581029 17.5287642599589 -85.4318929714501 2161381.4035214 T 9 CATAB v2.0g-lin.ifort 2021-Apr-14 20:22:45 2021-Apr-14 20:22
2072-May-20 16:59 00:03 Jupiter 1.87514747008621 1.87514660382718 1.87514833634525 2.75319769104437 2.58392683759249 2477983.207354682 3.46998766115463 72.3628283545581 24.9413423343652 77.7005338027731 1934564.96065266 T 9 CATAB v2.0g-lin.ifort 2021-Apr-14 20:22:45 2021-Apr-14 20:22
2081-Jul-01 16:38 00:04 Jupiter 1.97862176872549 1.97862036171293 1.97862317574357 3.54709770507868 3.42428501626373 2481312.193108215 3.98566224321127 200.582928582907 24.2677227286538 -74.933476532407 2216899.12429511 T 9 CATAB v2.0g-lin.ifort 2021-Apr-14 20:22:45 2021-Apr-14 20:22
2119-Jan-23 08:28 00:07 Jupiter 1.80653471692191 1.80653409668 1.80653533716607 2.61606163232427 2.43023593103738 2495030.853082956 6.51871274137611 215.399493869245 10.5373360618633 85.0212942197763 2194467.02685582 T 9 CATAB v2.0g-lin.ifort 2021-Apr-14 20:22:45 2021-Apr-14 20:22
2165-Sep-26 19:27 00:10 Jupiter 1.82889407839448 1.82889262269736 1.82889553412788 2.82043167714157 2.65114454772848 2512079.310525433 9.53453587185468 465.521331983063 14.9808460104951 -85.9873698638585 2084763.17138442 T 9 CATAB v2.0g-lin.ifort 2021-Apr-14 20:22:45 2021-Apr-14 20:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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