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186966 (2004 RA144)
Classification: Main-belt Asteroid          SPK-ID: 2186966
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799619746398294 4.293e-08  
a 3.019396158071893 2.3938e-08 au
q 2.47601966324536 1.2097e-07 au
i 9.001583551421435 4.1409e-06 deg
node 161.536486441852 2.8845e-05 deg
peri 161.6941700079225 3.1667e-05 deg
M 108.6297741160822 1.4926e-05 deg
tp 2458818.237606154655
(2019-Nov-30.73760615)
7.5766e-05 TDB
period 1916.366516254266
5.25
2.2789e-05
6.239e-08
d
yr
n .1878555051690513 2.234e-09 deg/d
Q 3.562772652898425 2.8245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      6914 days (18.93 yr)  
   first obs. used      2002-03-05  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:46:18  

Additional Information
 Earth MOID = 1.46527 au 
 Jupiter MOID = 1.81479 au 
 T_jup = 3.204 
[ 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 15.32   n/a MPCxxxxx  

186966 (2004 RA144)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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
1943-Jun-30 14:21 00:03 Jupiter 1.81205799112952 1.81205756192286 1.81205842033608 2.11988407291937 1.88654047619706 2430906.097832782 2.81581870344626 142.026495397341 33.6510170565828 76.8508213475538 2095732.8188176 T 25 CATAB v2.0g-lin.ifort 2021-Jul-09 02:46:20 2021-Jul-09 02:46
1990-Jul-06 20:40 00:01 Jupiter 1.84516866621566 1.84516818960578 1.84516914282544 2.03956204500017 1.80047651530885 2448079.361070643 1.04175511879471 66.7016985520457 31.7842254892375 88.9836764164311 2440226.67193189 T 25 CATAB v2.0g-lin.ifort 2021-Jul-09 02:46:20 2021-Jul-09 02:46
2037-Jul-08 07:29 < 00:01 Jupiter 1.9139163185714 1.91391573038067 1.91391690676192 2.1947051083627 1.98282899432871 2465247.812059615 0.865672598873651 57.2737189156779 18.2526494775783 84.7027805121726 2311606.68623023 T 25 CATAB v2.0g-lin.ifort 2021-Jul-09 02:46:20 2021-Jul-09 02:46
2075-May-28 12:53 00:02 Jupiter 1.91310236598747 1.91310175865605 1.9131029733226 2.81055508240506 2.64834355671837 2479086.036964888 2.16603254024718 175.410577772532 13.9378360322913 -83.2371804361152 2835385.46602954 T 25 CATAB v2.0g-lin.ifort 2021-Jul-09 02:46:20 2021-Jul-09 02:46
2084-Jul-09 03:16 00:03 Jupiter 1.99443594197273 1.99443494632013 1.99443693762545 2.63277025317811 2.46619011426769 2482415.636336858 2.65678272658639 84.6819451444531 17.2012959004968 -87.1545928121242 2038458.47024193 T 25 CATAB v2.0g-lin.ifort 2021-Jul-09 02:46:20 2021-Jul-09 02:46
2122-Jun-12 00:49 00:04 Jupiter 1.84189363856134 1.84189295655011 1.84189432058597 2.61865346325325 2.4367223599724 2496266.534176243 3.85603490957412 305.330858705457 15.1278763620006 -86.9031093662926 2647441.17686281 T 25 CATAB v2.0g-lin.ifort 2021-Jul-09 02:46:20 2021-Jul-09 02:46
2169-Jun-27 12:29 00:06 Jupiter 1.80450169035337 1.80450131182176 1.80450206888652 2.45751364179165 2.25844748187656 2513449.020211468 5.61647734207083 389.511737572398 19.0678567175357 87.2166282942791 2547071.10288418 T 25 CATAB v2.0g-lin.ifort 2021-Jul-09 02:46:20 2021-Jul-09 02:46
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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