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JPL Small-Body Database Browser
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49814 (1999 XL47)
Classification: Main-belt Asteroid          SPK-ID: 2049814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05389958337452572 4.9235e-08  
a 2.322419341706001 1.0092e-08 au
q 2.197241906767108 1.1366e-07 au
i 5.199842901682543 4.8156e-06 deg
node 252.9760236007647 5.3592e-05 deg
peri 266.3903738862916 7.1691e-05 deg
M 84.24267755162357 4.6671e-05 deg
tp 2458297.990479185540
(2018-Jun-28.49047919)
0.00016755 TDB
period 1292.734640663218
3.54
8.4265e-06
2.307e-08
d
yr
n .2784794254568033 1.8152e-09 deg/d
Q 2.447596776644895 1.0636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      7695 days (21.07 yr)  
   first obs. used      1998-07-26  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50133  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:17:10  

Additional Information
 Earth MOID = 1.21337 au 
 Jupiter MOID = 2.55095 au 
 T_jup = 3.569 
[ 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 14.8   n/a MPO436131  

49814 (1999 XL47)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20021120/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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