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66966 (1999 XJ52)
Classification: Main-belt Asteroid          SPK-ID: 2066966
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09553003620229307 6.1031e-08  
a 3.126857312764207 2.9055e-08 au
q 2.828148520476437 1.9136e-07 au
i 12.4152229976028 5.5125e-06 deg
node 254.0648613251299 3.2697e-05 deg
peri 290.2829203359124 4.405e-05 deg
M 141.9815104526669 3.0106e-05 deg
tp 2458203.992602576877
(2018-Mar-26.49260258)
0.00016657 TDB
period 2019.57749398586
5.53
2.8149e-05
7.707e-08
d
yr
n .1782551058684558 2.4846e-09 deg/d
Q 3.425566105051976 3.1831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      6767 days (18.53 yr)  
   first obs. used      1999-12-07  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:44:27  

Additional Information
 Earth MOID = 1.85794 au 
 Jupiter MOID = 1.71994 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456321.5 (2013-Jan-29.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09170660669609434 6.1556e-08  
q 2.842927170468451 1.9217e-07 au
tp 2456183.162364985234
(2012-Sep-12.66236499)
0.00017058 TDB
node 254.1388473662255 3.2687e-05 deg
peri 290.8862430286388 4.4717e-05 deg
i 12.4102041239327 5.5125e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      724  
   data-arc span      6767 days (18.53 yr)  
   first obs. used      1999-12-07  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58115  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:44:27  

Additional Information
 Jupiter MOID = 1.71994 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.78912240553057E-15 -1.17196420373332E-14 -1.163092811711571E-12 2.052314583435884E-15 -2.092963171385433E-13 -2.906496565411728E-15
q -1.17196420373332E-14 3.692805578879673E-14 3.591476120869786E-12 -8.927015002600474E-15 6.496449989589498E-13 1.291791805590604E-14
tp -1.163092811711571E-12 3.591476120869786E-12 2.909878675012755E-8 -6.9022149375484E-12 5.288881545428144E-9 -1.960663901420747E-12
node 2.052314583435884E-15 -8.927015002600474E-15 -6.9022149375484E-12 1.06846985871457E-9 -1.044507319902878E-9 -6.876070148409129E-12
peri -2.092963171385433E-13 6.496449989589498E-13 5.288881545428144E-9 -1.044507319902878E-9 1.999638038062835E-9 6.628668943224726E-12
i -2.906496565411728E-15 1.291791805590604E-14 -1.960663901420747E-12 -6.876070148409129E-12 6.628668943224726E-12 3.038792903661851E-11

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 13.9   n/a MPO436250  

66966 (1999 XJ52)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ 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-Apr-30 07:36 00:05 Jupiter 1.77274141063532 1.77274052819041 1.77274229309846 3.84305449482334 3.71664638152876 2416965.816635238 4.68440107052017 447.725090233594 31.1531644073624 88.8120954337223 2259925.201407 T 23 CATAB v2.0e-lin.ifort 2019-Jul-13 08:44:31 2019-Jul-13 08:44
1915-Jun-02 01:06 00:05 Jupiter 1.86066960088346 1.86066860230109 1.86067059949376 1.89232319049818 1.63414745990053 2420650.545558851 5.34078534905871 601.392243270291 51.205560251829 79.339699220332 1712649.03134011 T 23 CATAB v2.0e-lin.ifort 2019-Jul-13 08:44:31 2019-Jul-13 08:44
1988-Jun-16 09:04 00:01 Jupiter 1.76088464874288 1.76088397668267 1.7608853208032 3.96235334689854 3.83903660071312 2447328.877619544 1.12952633087219 133.735459445948 30.7431824518151 89.6385956957809 2358231.35641555 T 23 CATAB v2.0e-lin.ifort 2019-Jul-13 08:44:31 2019-Jul-13 08:44
1998-Aug-01 21:12 < 00:01 Jupiter 1.85715221868135 1.85715144832777 1.85715298903471 1.85342792613044 1.58840221024839 2451027.383327432 0.949958126229875 78.6437116315089 40.0528924171877 -64.0853256029076 1629810.89854121 T 23 CATAB v2.0e-lin.ifort 2019-Jul-13 08:44:31 2019-Jul-13 08:44
2071-Aug-02 17:46 00:02 Jupiter 1.75384709649442 1.75384641696377 1.75384777602677 4.0754840395482 3.95520768188666 2477691.240240952 2.38635230810161 249.360598452468 29.1842056332013 88.6185701960087 2458954.68734023 T 23 CATAB v2.0e-lin.ifort 2019-Jul-13 08:44:31 2019-Jul-13 08:44
2081-Oct-02 15:42 00:04 Jupiter 1.84509237493742 1.84509123473153 1.84509351514478 1.91529224061659 1.65837533356213 2481405.154085715 3.7108687846131 142.885654976989 58.2059402982799 -40.9437386264216 1329670.61483255 T 23 CATAB v2.0e-lin.ifort 2019-Jul-13 08:44:31 2019-Jul-13 08:44
2154-Sep-19 23:31 00:06 Jupiter 1.75486770455297 1.7548663185013 1.75486909066499 4.17703489024421 4.05983742047739 2508054.479612073 5.77458698644357 592.876678519566 29.9927111497593 85.3206925185675 2515275.53639105 T 23 CATAB v2.0e-lin.ifort 2019-Jul-13 08:44:31 2019-Jul-13 08:44
2164-Dec-03 11:19 00:08 Jupiter 1.83782638998625 1.83782422432878 1.83782855565397 2.08829453227195 1.85451031683402 2511781.971751534 8.07840909646068 327.661793731165 71.1175163998753 -28.3708753738092 826331.562920573 T 23 CATAB v2.0e-lin.ifort 2019-Jul-13 08:44:31 2019-Jul-13 08:44

Alternate Designations
 1999 XJ52 = 2000 YM21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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