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JPL Small-Body Database Browser
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49932 (1999 XK178)
Classification: Main-belt Asteroid          SPK-ID: 2049932
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06892391798661501 4.6315e-08  
a 2.176029993583614 8.9839e-09 au
q 2.026049480769442 9.9045e-08 au
i 3.122994088553207 4.7434e-06 deg
node 18.21162876809435 9.7213e-05 deg
peri 334.7070299743201 0.00010487 deg
M 114.6157487609234 4.0515e-05 deg
tp 2458227.217579282158
(2018-Apr-18.71757928)
0.00013152 TDB
period 1172.453811201195
3.21
7.2609e-06
1.988e-08
d
yr
n .3070483430227202 1.9015e-09 deg/d
Q 2.326010506397785 9.6031e-09 au
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      9653 days (26.43 yr)  
   first obs. used      1992-09-30  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55676  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:52:47  

Additional Information
 Earth MOID = 1.02012 au 
 Jupiter MOID = 2.91346 au 
 T_jup = 3.680 
[ 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 15.6   n/a MPO417162  

49932 (1999 XK178)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XK178 = 1997 EO34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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