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JPL Small-Body Database Browser
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47311 (1999 XN7)
Classification: Main-belt Asteroid          SPK-ID: 2047311
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1677778431099852 4.3016e-08  
a 2.386053339570687 8.3777e-09 au
q 1.98572645671214 1.0075e-07 au
i 2.71490641585584 5.0439e-06 deg
node 140.7642028961957 8.7612e-05 deg
peri 345.269824007043 8.9033e-05 deg
M 52.92733940509625 1.5017e-05 deg
tp 2458402.577024599131
(2018-Oct-11.07702460)
5.5796e-05 TDB
period 1346.228092044468
3.69
7.0902e-06
1.941e-08
d
yr
n .267413822462493 1.4084e-09 deg/d
Q 2.786380222429234 9.7833e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1433  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      1998-07-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4916  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:35:23  

Additional Information
 Earth MOID = 1.00153 au 
 Jupiter MOID = 2.27484 au 
 T_jup = 3.514 
[ 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 14.9   n/a MPO436113  

47311 (1999 XN7)          Discovered 1999-Dec-04 by Juels, C. W. at Fountain Hills
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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