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103165 (1999 XN227)
Classification: Main-belt Asteroid          SPK-ID: 2103165
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2580367364607224 4.8607e-08  
a 2.359233161597172 9.3881e-09 au
q 1.750464336028726 1.163e-07 au
i 3.709908952624011 4.1649e-06 deg
node 110.6955001026947 8.4367e-05 deg
peri 249.5104879840445 8.4622e-05 deg
M 359.4206839835653 9.4673e-06 deg
tp 2459202.629941904152
(2020-Dec-19.12994190)		 3.4816e-05 TDB
period 1323.593796376763
3.62		 7.9005e-06
2.163e-08		 d
yr
n .2719867688904802 1.6235e-09 deg/d
Q 2.968001987165619 1.1811e-08 au
   Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      10217 days (27.97 yr)  
   first obs. used      1993-01-29  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58398  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:31  

Additional Information
 Earth MOID = .749758 au 
 Jupiter MOID = 2.4905 au 
 T_jup = 3.504 
[ 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 16.06   n/a E2021B55  

103165 (1999 XN227)          Discovered 1999-Dec-15 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XN227 = 2002 PA126 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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