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JPL Small-Body Database Browser
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71019 (1999 XK57)
Classification: Main-belt Asteroid          SPK-ID: 2071019
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1097166727409197 5.2656e-08  
a 2.647057127784864 1.2382e-08 au
q 2.356630827169173 1.3896e-07 au
i 2.315914778264721 5.7206e-06 deg
node 210.1157040254042 9.0176e-05 deg
peri 168.3128005027101 9.1955e-05 deg
M 223.5222799526206 1.769e-05 deg
tp 2459196.851967016776
(2020-Dec-13.35196702)
7.8486e-05 TDB
period 1573.053155134108
4.31
1.1038e-05
3.022e-08
d
yr
n .2288543135526205 1.6058e-09 deg/d
Q 2.937483428400555 1.3741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      15217 days (41.66 yr)  
   first obs. used      1977-09-09  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55824  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:09  

Additional Information
 Earth MOID = 1.35779 au 
 Jupiter MOID = 2.51675 au 
 T_jup = 3.382 
[ 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 15.3   n/a MPO436279  

71019 (1999 XK57)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XK57 = 1977 RG11 = 1994 PT33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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