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300824 (2007 XR3)
Classification: Main-belt Asteroid          SPK-ID: 2300824
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2929061509356062 5.1429e-08  
a 2.643099308349317 2.8418e-08 au
q 1.868919263400156 1.4436e-07 au
i 11.03192177965917 6.0379e-06 deg
node 271.5506470430424 3.6222e-05 deg
peri 133.8834608696698 4.0454e-05 deg
M 351.667166257899 2.3025e-05 deg
tp 2459036.829453467891
(2020-Jul-06.32945347)
0.00010088 TDB
period 1569.526484413329
4.30
2.5313e-05
6.93e-08
d
yr
n .2293685411333239 3.6992e-09 deg/d
Q 3.417279353298478 3.6742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      7755 days (21.23 yr)  
   first obs. used      1998-08-24  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:40:15  

Additional Information
 Earth MOID = .89787 au 
 Jupiter MOID = 2.05585 au 
 T_jup = 3.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457163.5 (2015-May-21.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2939033240554935 5.2257e-08  
q 1.866817076816392 1.4771e-07 au
tp 2457460.834093833476
(2016-Mar-13.33409383)
7.8241e-05 TDB
node 271.8581844770728 3.6461e-05 deg
peri 132.7542839501407 4.0469e-05 deg
i 10.98497499964578 6.0216e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      7755 days (21.23 yr)  
   first obs. used      1998-08-24  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:40:15  

Additional Information
 Jupiter MOID = 2.05585 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.73084257048788E-15 -7.651344110475874E-15 -1.751537985911241E-12 -9.233045920864751E-14 -2.460478691746007E-13 -2.267808451741961E-14
q -7.651344110475874E-15 2.181893814904738E-14 5.953043702425876E-12 2.678700523650688E-13 9.143010891546087E-13 6.746061427804604E-14
tp -1.751537985911241E-12 5.953043702425876E-12 6.121700843360953E-9 8.213988647824476E-11 1.402792781702539E-9 3.055423617512928E-11
node -9.233045920864751E-14 2.678700523650688E-13 8.213988647824476E-11 1.329398821375653E-9 -1.288867762102004E-9 6.701994360978533E-11
peri -2.460478691746007E-13 9.143010891546087E-13 1.402792781702539E-9 -1.288867762102004E-9 1.63774903257169E-9 -5.903055416277393E-11
i -2.267808451741961E-14 6.746061427804604E-14 3.055423617512928E-11 6.701994360978533E-11 -5.903055416277393E-11 3.625947022933297E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO455219  

300824 (2007 XR3)          Discovered 2007-Dec-03 by Yeung, W. K. Y. at 7300
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

Alternate Designations
 2007 XR3 = 1998 QO78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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