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437854 (1999 XW16)
Classification: Main-belt Asteroid          SPK-ID: 2437854
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2870802944347776 7.5856e-08  
a 2.623816211762454 1.5226e-08 au
q 1.870570281146946 1.9844e-07 au
i 29.19849762365708 1.0098e-05 deg
node 256.1734222615526 1.2242e-05 deg
peri 112.3346121927625 2.1611e-05 deg
M 68.74808424370914 1.2672e-05 deg
tp 2459100.046458255375
(2020-Sep-07.54645826)
5.4943e-05 TDB
period 1552.381803829404
4.25
1.3513e-05
3.7e-08
d
yr
n .2319017132975629 2.0186e-09 deg/d
Q 3.377062142377962 1.9597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      7713 days (21.12 yr)  
   first obs. used      1999-12-07  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39963  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:56:05  

Additional Information
 Earth MOID = 1.02518 au 
 Jupiter MOID = 2.50267 au 
 T_jup = 3.171 
[ 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 16.29   n/a MPCxxxxx  

437854 (1999 XW16)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: Last Updated: 2015-07-06

Alternate Designations
 1999 XW16 = 2003 TC10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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