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390812 (2004 JQ6)
Classification: Mars-crossing Asteroid          SPK-ID: 2390812
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4632442159504931 5.409e-08  
a 2.961336412780081 3.779e-08 au
q 1.589514448076127 1.5018e-07 au
i 13.87051949760231 1.3867e-05 deg
node 31.59500632991331 2.1562e-05 deg
peri 286.0811144501902 3.7899e-05 deg
M 16.09839489059554 3.4218e-05 deg
tp 2458917.264206783173
(2020-Mar-08.76420678)
0.00017573 TDB
period 1861.358586473899
5.10
3.563e-05
9.755e-08
d
yr
n .1934071181211639 3.7021e-09 deg/d
Q 4.333158377484034 5.5296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6058 days (16.59 yr)  
   first obs. used      2004-04-13  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48934  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:51:14  

Additional Information
 Earth MOID = .645939 au 
 Jupiter MOID = 1.45448 au 
 T_jup = 3.055 
[ 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 15.8   n/a MPO472016  

390812 (2004 JQ6)          Discovered 2004-May-10 by NEAT at Haleakala
Reference: Last Updated: 2014-04-17

[ 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
1921-May-16 14:42 00:04 Jupiter 1.9222239097574 1.92222051110746 1.92222730843115 2.45332693019716 2.26660951576852 2422826.112625442 3.94984000763925 464.641501283746 136.310979296793 75.0598950186079 2050584.96453654 T 18 CATAB v2.0f-lin.ifort 2020-Dec-18 06:51:15 2020-Dec-18 06:51
1957-Jan-05 19:28 00:04 Jupiter 1.92169446347962 1.92168983992863 1.92169908707419 2.49770483629507 2.31451772822862 2435844.311133475 4.09863248044493 575.265878854613 142.670158340358 71.8612110764188 1942310.16833932 T 18 CATAB v2.0f-lin.ifort 2020-Dec-18 06:51:15 2020-Dec-18 06:51
2109-Aug-04 09:07 00:04 Jupiter 1.99256066451945 1.99255449017584 1.99256683886261 5.33599633506376 5.25572753922614 2491571.880044301 4.28735782027675 304.533465585833 136.514005401429 -9.71383588262717 577318.159673961 T 18 CATAB v2.0f-lin.ifort 2020-Dec-18 06:51:15 2020-Dec-18 06:51

Alternate Designations
 2004 JQ6 = 2004 GU41 = 2009 HX44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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