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JPL Small-Body Database Browser
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277087 (2005 EK204)
Classification: Main-belt Asteroid          SPK-ID: 2277087
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807360977547398 8.4271e-08  
a 3.190918168652134 4.3691e-08 au
q 2.614204070595247 2.758e-07 au
i 2.190279519095624 8.6856e-06 deg
node 58.95369427197276 0.00021126 deg
peri 180.7936066415243 0.000213 deg
M 132.6424033110696 3.4019e-05 deg
tp 2457833.400307822317
(2017-Mar-20.90030782)
0.00018534 TDB
period 2081.957822615232
5.70
4.276e-05
1.171e-07
d
yr
n .1729141657383766 3.5513e-09 deg/d
Q 3.767632266709021 5.1587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      9340 days (25.57 yr)  
   first obs. used      1994-05-03  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62502  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:09:24  

Additional Information
 Earth MOID = 1.6018 au 
 Jupiter MOID = 1.24691 au 
 T_jup = 3.170 
[ 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 15.9   n/a MPO503246  

277087 (2005 EK204)          Discovered 2005-Mar-11 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ 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
1905-Jul-13 18:39 00:05 Jupiter 1.29258588730452 1.29258479609455 1.29258697851503 0.826884813493636 n/a 2417040.276749997 5.35680448125768 179.535770198437 52.7638107658926 -85.5549740123343 3653358.12744215 F 12 CATAB v2.0f-lin.ifort 2019-Dec-04 20:09:26 2019-Dec-04 20:09
1916-Nov-05 12:52 00:04 Jupiter 1.32837368959913 1.32837181721287 1.32837556199781 0.963435582987239 n/a 2421173.036215362 4.29198509651206 262.687298915107 52.7835199200246 72.5848656605756 3598043.64819319 F 12 CATAB v2.0f-lin.ifort 2019-Dec-04 20:09:26 2019-Dec-04 20:09
1928-Jan-08 03:29 00:04 Jupiter 1.52538100000978 1.52537770758614 1.52538429251813 1.60805637566546 1.21460840073598 2425253.644961852 4.23394223261402 918.84737474911 141.187131570226 59.1480931048128 1016166.70877102 T 12 CATAB v2.0f-lin.ifort 2019-Dec-04 20:09:26 2019-Dec-04 20:09
1939-Jan-13 20:50 00:04 Jupiter 1.8549511789396 1.85494776557889 1.85495459230011 3.0032224199409 2.8471194293561 2429277.367954086 3.8219248739806 188.46571853957 47.6945569025704 -57.705574405908 782033.461656504 T 12 CATAB v2.0f-lin.ifort 2019-Dec-04 20:09:26 2019-Dec-04 20:09
2038-May-22 10:12 00:02 Jupiter 1.94266635041004 1.9426653029428 1.94266739787705 2.71428519493818 2.5485924630187 2465565.924839175 1.6568716444966 98.7828358468238 27.2576654011299 -82.4286088341988 1384373.19864346 T 12 CATAB v2.0f-lin.ifort 2019-Dec-04 20:09:26 2019-Dec-04 20:09
2049-Jun-05 23:46 00:03 Jupiter 1.6084409494112 1.60843947613597 1.60844242268013 1.51050164421975 1.10832912181121 2469598.490080960 2.54188458775689 281.580976571108 162.877650800505 0.426220409908184 664483.415132843 T 12 CATAB v2.0f-lin.ifort 2019-Dec-04 20:09:26 2019-Dec-04 20:09
2060-Aug-07 05:15 00:03 Jupiter 1.38318770619385 1.38318625204076 1.38318916034706 0.917575214332892 n/a 2473678.718882822 3.37106079066864 92.8580633882289 67.7960790393757 66.0824992777847 2931624.90525897 F 12 CATAB v2.0f-lin.ifort 2019-Dec-04 20:09:26 2019-Dec-04 20:09
2071-Nov-26 09:55 00:05 Jupiter 1.30422987376421 1.30422897189602 1.30423077563244 0.810795369163768 n/a 2477806.912973944 4.57202387802943 129.880795856219 44.7468520069325 87.885085528804 4356087.26824362 F 12 CATAB v2.0f-lin.ifort 2019-Dec-04 20:09:26 2019-Dec-04 20:09
2083-Mar-12 09:18 00:07 Jupiter 1.36655824880923 1.36655586608973 1.36656063154591 1.04691224200425 n/a 2481930.887735771 6.8731863270168 295.500767272593 53.5034022477554 68.5894825029441 3564885.0636614 F 12 CATAB v2.0f-lin.ifort 2019-Dec-04 20:09:26 2019-Dec-04 20:09
2094-May-01 01:36 00:10 Jupiter 1.58501080752749 1.58500504274049 1.58501657243955 1.85250252924619 1.53719705351922 2485998.566343652 9.88867349289316 982.740954729203 67.1868247553446 73.6794695226893 1055466.78220061 T 12 CATAB v2.0f-lin.ifort 2019-Dec-04 20:09:26 2019-Dec-04 20:09
2105-Apr-29 20:17 00:12 Jupiter 1.9236867521184 1.92367909763374 1.92369440662766 3.40422711860046 3.27232915738484 2490014.345408512 11.5861064375665 527.837141653195 46.5054505602898 -56.956954962854 1021617.16130534 T 12 CATAB v2.0f-lin.ifort 2019-Dec-04 20:09:26 2019-Dec-04 20:09

Alternate Designations
 2005 EK204 = 1994 JM4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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