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308747 (2006 JA39)
Classification: Main-belt Asteroid          SPK-ID: 2308747
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08546475547557637 4.1146e-08  
a 2.2988089401624 1.1484e-08 au
q 2.102341796206352 9.1712e-08 au
i 10.0704644743724 4.9067e-06 deg
node 225.1781687851826 2.3571e-05 deg
peri 335.4682046851797 4.1351e-05 deg
M 43.59763153329439 3.2031e-05 deg
tp 2458846.325290463630
(2019-Dec-28.82529046)
0.00011344 TDB
period 1273.071345417168
3.49
9.5401e-06
2.612e-08
d
yr
n .2827806951243829 2.1191e-09 deg/d
Q 2.495276084118448 1.2466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      7180 days (19.66 yr)  
   first obs. used      2000-11-25  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50733  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:00:11  

Additional Information
 Earth MOID = 1.10156 au 
 Jupiter MOID = 2.48228 au 
 T_jup = 3.568 
[ 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 17.0   n/a MPO423170  

308747 (2006 JA39)          Discovered 2006-May-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ 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
1984-Jun-23 19:41 < 00:01 Juno 0.0331750460983346 0.0331659809571361 0.0331841112400203 7.46237273259365 7.46237268345112 2445875.319817848 0.444932724948904 451.977716103679 88.4037677464661 0.903129797849598 11011.3261267816 T 17 CATAB v2.0f-lin.ifort 2020-Nov-11 19:00:12 2020-Nov-11 19:00
2143-Sep-04 03:10 00:08 Thisb 0.0370540724714844 0.0370168969223519 0.037091249273276 4.03275132997912 4.0327512843505 2504020.632178218 8.1156023581225 1883.93737922057 82.1729674344207 10.4197051356826 12530.6058062631 T 17 CATAB v2.0f-lin.ifort 2020-Nov-11 19:00:12 2020-Nov-11 19:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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