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JPL Small-Body Database Browser
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49815 (1999 XK56)
Classification: Main-belt Asteroid          SPK-ID: 2049815
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 .06785807908141823 3.4043e-08  
a 2.306189621223997 9.004e-09 au
q 2.149696023530233 7.718e-08 au
i 4.907109176513164 4.0807e-06 deg
node 76.63747052182832 4.6036e-05 deg
peri 118.3325946300386 5.6549e-05 deg
M 75.27777154278824 3.2227e-05 deg
tp 2458333.011447740418
(2018-Aug-02.51144774)
0.00011442 TDB
period 1279.207352182501
3.50
7.4915e-06
2.051e-08
d
yr
n .2814242737002654 1.6481e-09 deg/d
Q 2.462683218917761 9.615e-09 au
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      14948 days (40.93 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53545  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:47:08  

Additional Information
 Earth MOID = 1.15277 au 
 Jupiter MOID = 2.50015 au 
 T_jup = 3.580 
[ 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 15.7   n/a MPO502488  

49815 (1999 XK56)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XK56 = 1978 WV13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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