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447242 (2005 UK204)
Classification: Main-belt Asteroid          SPK-ID: 2447242
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2088048481106397 8.3505e-08  
a 2.97987087789874 4.2965e-08 au
q 2.357659391849775 2.5193e-07 au
i 11.20991561881698 1.2414e-05 deg
node 223.2729066723086 4.8404e-05 deg
peri 207.2758146894543 6.7238e-05 deg
M 285.1760871426889 4.2922e-05 deg
tp 2459391.010315517213
(2021-Jun-25.51031552)
0.00022718 TDB
period 1878.860757446477
5.14
4.0635e-05
1.113e-07
d
yr
n .1916054708009704 4.1439e-09 deg/d
Q 3.602082363947706 5.1936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      4163 days (11.40 yr)  
   first obs. used      2005-10-25  
   last obs. used      2017-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55659  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:41:27  

Additional Information
 Earth MOID = 1.37751 au 
 Jupiter MOID = 1.76475 au 
 T_jup = 3.198 
[ 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 16.8   n/a MPO397617  

447242 (2005 UK204)          Discovered 2005-Oct-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ 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
1900-Sep-08 06:53 01:04 Jupiter 1.75622901772769 1.75622790634253 1.75623013052206 2.85348787141827 2.67914178557819 2415270.786721120 64.2202746731048 4300.47462327849 37.30833926017 89.2877924654063 1258631.80653777 T 8 CATAB v2.0e-lin.ifort 2017-Nov-26 22:52:47 2018-Dec-18 03:22
1937-Feb-02 04:01 01:11 Jupiter 1.87195493498376 1.87195198573574 1.87195788680037 2.33551121619536 2.13299139014274 2428566.667398511 71.2214842552818 4157.49107980832 69.8054767532283 -89.9155092886525 1274887.41251249 T 8 CATAB v2.0e-lin.ifort 2017-Nov-26 22:52:47 2018-Dec-18 03:22
1982-May-01 18:39 00:19 Jupiter 1.99802174913305 1.99801920201907 1.99802429642285 3.37590628340017 3.24790425928126 2445091.277407927 19.1200433383747 1140.49251721741 61.4225296388499 84.336179482062 1062964.96326898 T 8 CATAB v2.0e-lin.ifort 2017-Nov-26 22:52:47 2018-Dec-18 03:22
2018-Sep-12 01:39 00:08 Jupiter 1.8044368117128 1.8044354726356 1.80443815084148 3.10148150735439 2.9462460029477 2458373.569077570 7.63612491701638 600.319616244026 29.0405844396565 84.263815956961 1191432.47110045 T 8 CATAB v2.0e-lin.ifort 2017-Nov-26 22:52:47 2018-Dec-18 03:22
2055-Jan-19 10:23 00:26 Jupiter 1.77188940553278 1.7718883915743 1.77189041951624 2.68572214536951 2.50140688766725 2471651.932809872 26.2641347372452 1625.29715439257 44.0167835771998 88.7163650110427 1302388.05785993 T 8 CATAB v2.0e-lin.ifort 2017-Nov-26 22:52:47 2018-Dec-18 03:22
2091-Jun-26 07:38 01:33 Jupiter 1.88828319950011 1.88828058078765 1.88828582115755 2.05099355180126 1.81918649548222 2484958.818087380 93.1313684015998 5015.26011784589 86.9944101043597 89.4148650332981 1101178.66275912 T 8 CATAB v2.0e-lin.ifort 2017-Nov-26 22:52:47 2018-Dec-18 03:22
2136-Sep-09 21:31 01:01 Jupiter 1.97503175816785 1.97502693925185 1.97503657947504 3.38504564814604 3.255887515349 2501470.396343419 61.4332387503136 3684.84443510432 66.2939171433605 85.7838145747905 1083453.90899052 T 8 CATAB v2.0e-lin.ifort 2017-Nov-26 22:52:47 2018-Dec-18 03:22
2173-Jan-22 01:56 01:24 Jupiter 1.7971990664119 1.79719634397869 1.79720179414288 3.00183151049852 2.8404910717505 2514753.580306461 83.8313395208227 5431.74345239815 43.1039982185028 87.5418763554264 1192647.30605287 T 8 CATAB v2.0e-lin.ifort 2017-Nov-26 22:52:47 2018-Dec-18 03:22

Alternate Designations
 2005 UK204 = 2010 UR39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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