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295734 (2008 UE66)
Classification: Main-belt Asteroid          SPK-ID: 2295734
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095622872756072 5.1029e-08  
a 2.609742056501382 2.2098e-08 au
q 2.323812747591744 1.3372e-07 au
i 5.697480932351716 7.9706e-06 deg
node 16.22473262047741 5.5911e-05 deg
peri 86.4177233785723 8.274e-05 deg
M 226.6315139563772 5.4616e-05 deg
tp 2459570.986699856403
(2021-Dec-22.48669986)
0.00023328 TDB
period 1539.908100037439
4.22
1.9559e-05
5.355e-08
d
yr
n .233780184668973 2.9693e-09 deg/d
Q 2.895671365411021 2.4519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      9993 days (27.36 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57753  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:26:11  

Additional Information
 Earth MOID = 1.34906 au 
 Jupiter MOID = 2.23435 au 
 T_jup = 3.395 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457118.5 (2015-Apr-06.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095598371093417 4.9179e-08  
q 2.32342735990532 1.2779e-07 au
tp 2456485.195015876151
(2013-Jul-11.69501588)
0.00023729 TDB
node 16.42348548411193 5.5807e-05 deg
peri 85.03456780102081 8.3086e-05 deg
i 5.704481495118928 7.9726e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      9993 days (27.36 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57753  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 19:26:11  

Additional Information
 Jupiter MOID = 2.23435 au 
 T_jup = 3.395 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.418622515143077E-15 -6.214614532783753E-15 5.643911621042768E-12 -1.485769107895199E-14 1.466403584495427E-12 -7.039412053365774E-15
q -6.214614532783753E-15 1.633004530758469E-14 -1.520989233044109E-11 4.105110926143241E-14 -3.918841212400158E-12 1.866096049724549E-14
tp 5.643911621042768E-12 -1.520989233044109E-11 5.630471427018052E-8 -1.572179477295169E-10 1.462819694824644E-8 -3.535642198016687E-11
node -1.485769107895199E-14 4.105110926143241E-14 -1.572179477295169E-10 3.114381252028152E-9 -3.138565878262661E-9 -1.850284422912602E-10
peri 1.466403584495427E-12 -3.918841212400158E-12 1.462819694824644E-8 -3.138565878262661E-9 6.903314244817286E-9 1.751083037113246E-10
i -7.039412053365774E-15 1.866096049724549E-14 -3.535642198016687E-11 -1.850284422912602E-10 1.751083037113246E-10 6.356241833940645E-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 16.2   n/a MPO386230  

295734 (2008 UE66)          Discovered 2008-Oct-21 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
1922-Mar-22 11:43 00:10 Hygie 0.0388211172484257 0.0388009520935096 0.0388412827915344 3.00243165542372 3.0024313239407 2423135.988354578 9.7365823796628 1020.44826812549 87.433012445507 -10.9032634461992 13705.5631051166 T 15 CATAB v2.0f-lin.ifort 2020-Aug-25 19:26:33 2020-Aug-25 19:26
2053-May-03 11:42 00:01 Eunom 0.00482665274209608 0.0048237975840854 0.0048295229773988 4.9676370575764 4.96763647211537 2471025.987457997 1.01672854340972 555.052476784903 86.9987276677689 78.0985705321834 8118.77115541963 T 15 CATAB v2.0f-lin.ifort 2020-Aug-25 19:26:33 2020-Aug-25 19:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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