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16149 (1999 XS215)
Classification: Main-belt Asteroid          SPK-ID: 2016149
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0449891873314757 4.3638e-08  
a 3.043349823615408 1.6909e-08 au
q 2.906431988285561 1.3119e-07 au
i 9.150599827450018 4.865e-06 deg
node 178.3633979610714 2.1834e-05 deg
peri 168.1108859288739 4.8766e-05 deg
M 67.77178718966414 4.2843e-05 deg
tp 2458635.432914561674
(2019-May-31.93291456)		 0.0002313 TDB
period 1939.216246282507
5.31		 1.6162e-05
4.425e-08		 d
yr
n .1856420090797625 1.5472e-09 deg/d
Q 3.180267658945255 1.767e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1617  
   data-arc span      12103 days (33.14 yr)  
   first obs. used      1987-09-24  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53995  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:01:51  

Additional Information
 Earth MOID = 1.90046 au 
 Jupiter MOID = 2.03361 au 
 T_jup = 3.218 
[ 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 13.3   n/a MPO416881  
diameter diameter 8.149 km 0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.140   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16149 (1999 XS215)          Discovered 1999-Dec-14 by LINEAR at Socorro
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XS215 = 1991 JA5 = 1998 VF12 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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