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213105 (1999 XO51)
Classification: Main-belt Asteroid          SPK-ID: 2213105
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842734930434102 5.3082e-08  
a 2.440672414583897 1.6476e-08 au
q 1.990921183373828 1.2755e-07 au
i 2.792834469248607 5.2414e-06 deg
node 53.85935599624622 0.00010102 deg
peri 290.153557012684 0.00010188 deg
M 247.6106863092328 1.5e-05 deg
tp 2459635.295643755781
(2022-Feb-24.79564376)
6.0521e-05 TDB
period 1392.716323393119
3.81
1.4102e-05
3.861e-08
d
yr
n .2584876718633703 2.6174e-09 deg/d
Q 2.890423645793966 1.9512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      7766 days (21.26 yr)  
   first obs. used      1999-11-09  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55308  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:21  

Additional Information
 Earth MOID = .983651 au 
 Jupiter MOID = 2.51771 au 
 T_jup = 3.477 
[ 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 16.75   n/a E2021B55  

213105 (1999 XO51)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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