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212946 (2008 YU145)
Classification: Main-belt Asteroid          SPK-ID: 2212946
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 .1737467946154876 5.1499e-08  
a 3.105840628629883 2.7903e-08 au
q 2.56621077481889 1.5909e-07 au
i 1.756106038481207 6.7873e-06 deg
node 142.8779011270993 0.00018339 deg
peri 309.7900930607321 0.00018487 deg
M 50.86086215419807 2.0198e-05 deg
tp 2458718.045567734347
(2019-Aug-22.54556773)
0.00011135 TDB
period 1999.250333337934
5.47
2.6942e-05
7.376e-08
d
yr
n .1800674952990738 2.4266e-09 deg/d
Q 3.645470482440876 3.2751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6279 days (17.19 yr)  
   first obs. used      2002-11-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61982  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:52:19  

Additional Information
 Earth MOID = 1.58334 au 
 Jupiter MOID = 1.55348 au 
 T_jup = 3.196 
[ 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 16.2   n/a MPO418140  

212946 (2008 YU145)          Discovered 2008-Dec-30 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ 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
1901-Dec-24 19:22 00:05 Jupiter 1.58489834953942 1.58489761732652 1.584899081749 1.41525322305859 0.966475560363272 2415743.306679107 5.34125375549038 412.600930341775 192.015982768678 -11.0856568120264 836062.825881072 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 02:52:33 2020-Feb-25 02:52
1912-Jan-13 05:09 00:05 Jupiter 1.84609589188626 1.8460935489626 1.84609823480929 2.02627281868838 1.78553773523437 2419414.714847322 4.7142512961141 171.518443288985 13.5644817155253 -87.8835848840444 1094502.36872891 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 02:52:33 2020-Feb-25 02:52
1973-Aug-11 00:38 00:02 Jupiter 1.60778964200916 1.60778877830757 1.60779050570838 1.59993412764506 1.22724927504005 2441905.526156303 2.04793880314425 157.212280047839 122.207305767743 -11.8635760651621 946535.453754297 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 02:52:33 2020-Feb-25 02:52
1983-Aug-26 13:46 00:02 Jupiter 1.75527885335247 1.75527803621989 1.75527967048406 1.7431442683659 1.43994356273551 2445573.073887966 1.50133855891719 101.174598778755 48.2170459573825 -77.8251095002104 1385325.15216213 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 02:52:33 2020-Feb-25 02:52
2045-Mar-31 09:07 00:01 Jupiter 1.66166551945345 1.66166471592251 1.66166632298335 1.9113022004622 1.6228339170236 2468070.879658498 1.39191070442959 92.2925447423537 42.9288035171371 -84.0325614728107 1165496.75639429 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 02:52:33 2020-Feb-25 02:52
2055-Apr-13 06:00 00:02 Jupiter 1.6713310719131 1.6713300877407 1.67133205608322 1.51843665232398 1.136687963257 2471735.750231814 1.86754113539765 146.09433090799 123.793440615152 -1.97329737782441 1112332.79892863 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 02:52:33 2020-Feb-25 02:52
2116-Nov-20 23:22 00:05 Jupiter 1.73418633196777 1.73418430929123 1.73418835464776 2.32574587138346 2.10528879486037 2494237.473539408 4.68648915269155 210.94398296143 8.34784179564353 -89.6948786407133 1106549.39293879 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 02:52:33 2020-Feb-25 02:52
2126-Nov-29 23:29 00:05 Jupiter 1.6026975831402 1.60269611278553 1.60269905349277 1.37199435837186 0.908500114949327 2497898.478737938 5.13440600432305 386.673752770217 172.203896782048 26.5470396156677 1112500.6284641 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 02:52:33 2020-Feb-25 02:52
2188-Jul-08 00:05 00:08 Jupiter 1.8173806400416 1.81737678329514 1.8173844968048 2.80993655825459 2.63886489809507 2520399.503726206 7.85707060378322 363.492585553983 22.8005137425744 75.6016308069829 1233593.95158443 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 02:52:33 2020-Feb-25 02:52
2198-Jul-16 09:40 00:08 Jupiter 1.56238679991534 1.56238578725148 1.56238781259403 1.33204129153858 0.830702491308834 2524059.902478364 8.40810120717155 408.307864495043 365.512076813332 -86.0815744857138 1430192.38999211 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 02:52:33 2020-Feb-25 02:52

Alternate Designations
 2008 YU145 = 2002 XZ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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