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134686 (1999 XP50)
Classification: Main-belt Asteroid          SPK-ID: 2134686
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2360156363607916 4.8432e-08  
a 2.378713232218942 9.6383e-09 au
q 1.817299714996953 1.182e-07 au
i 5.850954785656159 3.538e-06 deg
node 84.27167844116182 5.2551e-05 deg
peri 245.5978063600097 5.3077e-05 deg
M 333.2437934788269 8.8224e-06 deg
tp 2459300.094096985274
(2021-Mar-26.59409699)		 3.296e-05 TDB
period 1340.020861564443
3.67		 8.1444e-06
2.23e-08		 d
yr
n .2686525339461569 1.6328e-09 deg/d
Q 2.940126749440931 1.1913e-08 au
   Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      8561 days (23.44 yr)  
   first obs. used      1997-01-10  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5315  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:07:07  

Additional Information
 Earth MOID = .813748 au 
 Jupiter MOID = 2.43448 au 
 T_jup = 3.495 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.99   n/a E2021B55  

134686 (1999 XP50)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1999 XP50 = 1998 HR90 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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