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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2359100374017845 5.6283e-08  
a 2.37800576085494 9.7234e-09 au
q 1.817010332869992 1.3586e-07 au
i 5.851544062140515 3.6786e-06 deg
node 84.2716483207473 6.0077e-05 deg
peri 245.662201276162 6.0523e-05 deg
M 279.4372440565091 8.8503e-06 deg
tp 2459300.243375770833
(2021-Mar-26.74337577)
3.3297e-05 TDB
period 1339.423087179261
3.67
8.2151e-06
2.249e-08
d
yr
n .2687724315385192 1.6485e-09 deg/d
Q 2.939001188839888 1.2017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1997-01-10  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:22:20  

Additional Information
 Earth MOID = .81539 au 
 Jupiter MOID = 2.43573 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 16.0   n/a MPO382018  

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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