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JPL Small-Body Database Browser
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47307 (1999 XR4)
Classification: Main-belt Asteroid          SPK-ID: 2047307
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668312491564977 3.6601e-08  
a 2.343857517128218 8.391e-09 au
q 1.95282883970087 8.6077e-08 au
i 2.526791861555304 4.2409e-06 deg
node 131.492826191512 0.00010275 deg
peri 4.265326518548187 0.00010371 deg
M 89.68087320127589 1.4614e-05 deg
tp 2458273.992948197912
(2018-Jun-04.49294820)
5.2663e-05 TDB
period 1310.675670886303
3.59
7.0383e-06
1.927e-08
d
yr
n .2746674924976377 1.475e-09 deg/d
Q 2.734886194555566 9.7908e-09 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      8253 days (22.60 yr)  
   first obs. used      1995-07-25  
   last obs. used      2018-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54846  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-05 18:43:15  

Additional Information
 Earth MOID = .967171 au 
 Jupiter MOID = 2.29781 au 
 T_jup = 3.542 
[ 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 15.5   n/a MPO337636  

47307 (1999 XR4)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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