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249429 (2009 EG23)
Classification: Main-belt Asteroid          SPK-ID: 2249429
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1525076425275988 4.4576e-08  
a 3.14495790150991 3.8187e-08 au
q 2.665327786102089 1.487e-07 au
i 4.791537273421978 6.19e-06 deg
node 63.67307528213351 6.3156e-05 deg
peri 225.6304344936792 6.6966e-05 deg
M 282.1406448828366 2.3685e-05 deg
tp 2459441.084265176559
(2021-Aug-14.58426518)
0.00013757 TDB
period 2037.139085276048
5.58
3.7103e-05
1.016e-07
d
yr
n .1767184197691722 3.2186e-09 deg/d
Q 3.62458801691773 4.401e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      7114 days (19.48 yr)  
   first obs. used      2000-11-05  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58501  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:43:56  

Additional Information
 Earth MOID = 1.65186 au 
 Jupiter MOID = 1.55781 au 
 T_jup = 3.186 
[ 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 15.5   n/a MPO470661  
diameter diameter 3.874 km 0.903 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249429 (2009 EG23)          Discovered 2009-Mar-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ 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
1906-Sep-08 10:13 00:07 Jupiter 1.55263729824003 1.55263618671701 1.55263840978009 1.64296836649896 1.26817554839375 2417461.925406683 6.612833347878 334.260841318731 98.324579854002 -66.6523274106065 1500393.32580777 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:43:58 2020-May-21 13:44
1917-Feb-13 21:57 00:06 Jupiter 1.67294431564401 1.67294166326473 1.67294696804811 2.38171539422309 2.1586929603796 2421273.414397020 6.03556397008952 386.019700233672 14.2816964849242 -84.824880503997 1335496.83763338 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:43:58 2020-May-21 13:44
1991-Mar-02 13:52 00:02 Jupiter 1.81474697059556 1.8147457856969 1.81474815549401 2.05022647627371 1.80829763096102 2448318.077466768 1.78998276867193 95.1564571046665 7.8839602623205 -80.1573394177249 1459710.9549986 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:43:58 2020-May-21 13:44
2001-Aug-09 00:37 00:01 Jupiter 1.55112272071601 1.55112220980155 1.55112323163101 1.62473451420693 1.24403417972413 2452130.525756751 1.04156170512806 124.442159528795 103.172370114976 -42.7330102931731 1479680.93771644 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:43:58 2020-May-21 13:44
2012-Jan-16 16:06 < 00:01 Jupiter 1.69303051638198 1.69302986937732 1.69303116338674 2.47847205800544 2.26764735176857 2455943.171119886 0.404710557284219 92.5392899305505 13.1247012495563 -82.434037132375 1696257.3617028 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:43:58 2020-May-21 13:44
2086-Feb-04 02:39 00:04 Jupiter 1.80311877551984 1.80311692712643 1.80312062391366 1.98592398262766 1.73331641024166 2482990.610733695 3.90104621987682 152.405624628747 18.8411234344319 -89.4732266964678 1279616.89272904 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:43:58 2020-May-21 13:44
2096-Jul-13 22:24 00:05 Jupiter 1.56181076347824 1.56181013346654 1.56181139349483 1.62977168410664 1.25359022930393 2486803.433006653 4.62213150050069 232.148733093161 99.0831701197329 -61.6367154340616 1449689.16553981 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:43:58 2020-May-21 13:44
2106-Dec-19 08:33 00:05 Jupiter 1.72205448736725 1.72205209979739 1.72205687495024 2.59721327044302 2.40037120280393 2490612.856143632 5.44267673147974 291.877183419823 13.7824683070126 -79.7007322541545 1466077.77626434 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:43:58 2020-May-21 13:44
2181-Jan-06 02:14 00:10 Jupiter 1.78268558183226 1.7826812526374 1.78268991102863 1.9020449044708 1.63324764218741 2517659.592826204 9.49311387079951 337.747545643821 30.8052445637847 82.2714833784926 1123553.68880484 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:43:58 2020-May-21 13:44
2191-Jun-17 13:36 00:10 Jupiter 1.56769177685038 1.56769105290806 1.56769250081018 1.62822183262656 1.25319913025806 2521474.066530545 10.1763733926013 454.780029571331 97.7151768743835 -52.5389912360604 1307648.88938433 T 14 CATAB v2.0f-lin.ifort 2020-May-21 13:43:58 2020-May-21 13:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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