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JPL Small-Body Database Browser
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49825 (1999 XW73)
Classification: Main-belt Asteroid          SPK-ID: 2049825
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08204839536333777 4.8796e-08  
a 2.299594439582636 9.4409e-09 au
q 2.110916405828427 1.1047e-07 au
i 5.383541864331884 3.9553e-06 deg
node 85.69833345191046 5.575e-05 deg
peri 86.86762031052314 6.0678e-05 deg
M 118.1086436432967 2.4446e-05 deg
tp 2458182.617212525462
(2018-Mar-05.11721253)
8.6275e-05 TDB
period 1273.723910886449
3.49
7.8439e-06
2.148e-08
d
yr
n .2826358184243065 1.7405e-09 deg/d
Q 2.488272473336846 1.0216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      14910 days (40.82 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56742  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:43:53  

Additional Information
 Earth MOID = 1.12462 au 
 Jupiter MOID = 2.48705 au 
 T_jup = 3.582 
[ 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 15.5   n/a MPO439431  

49825 (1999 XW73)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XW73 = 1978 WF13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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