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390244 (2012 XX79)
Classification: Main-belt Asteroid          SPK-ID: 2390244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07245337936238166 4.8149e-08  
a 2.393325415669561 1.7569e-08 au
q 2.219920901390425 1.2102e-07 au
i 4.974592538662371 6.6493e-06 deg
node 169.2071743135356 5.9976e-05 deg
peri 87.73113929762657 7.7619e-05 deg
M 226.0786542849857 5.1174e-05 deg
tp 2459703.593098867748
(2022-May-04.09309887)
0.00019452 TDB
period 1352.387213744107
3.70
1.4891e-05
4.077e-08
d
yr
n .2661959506429626 2.9311e-09 deg/d
Q 2.566729929948698 1.8842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6531 days (17.88 yr)  
   first obs. used      2003-03-27  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59675  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:22:48  

Additional Information
 Earth MOID = 1.2102 au 
 Jupiter MOID = 2.45654 au 
 T_jup = 3.522 
[ 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 17.60   n/a MPCxxxxx  

390244 (2012 XX79)          Discovered 2004-Sep-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ 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
2078-Apr-04 18:29 < 00:01 Hebe 0.0456228818757515 0.0456061790609006 0.0456395992279307 5.97201589083378 5.97201586801702 2480128.269855937 0.812036769291032 1534.37058502558 71.4872262297539 -57.2161965359036 80278.0982524685 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 11:22:48 2021-Apr-14 11:22
2172-May-19 23:10 00:07 David 0.0388118002088038 0.0387785465445603 0.038845118506674 5.23731950914112 5.23731943482035 2514506.465045165 7.37874196749535 2997.97190283218 41.8986820714447 -56.4093056595811 115378.339844665 T 15 CATAB v2.0f-lin.ifort 2021-Apr-14 11:22:48 2021-Apr-14 11:22

Alternate Designations
 2012 XX79 = 2004 RP354 = 2010 JX8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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