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160644 (1999 XM11)
Classification: Main-belt Asteroid          SPK-ID: 2160644
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2990807241052024 4.4377e-08  
a 2.56008418321534 1.2268e-08 au
q 1.794412351929021 1.1904e-07 au
i 3.99532744806338 4.7446e-06 deg
node 303.1297443864675 5.6819e-05 deg
peri 94.63015814026491 5.867e-05 deg
M 11.08955700598522 1.8177e-05 deg
tp 2458954.411614638358
(2020-Apr-14.91161464)
7.5253e-05 TDB
period 1496.166052551621
4.10
1.0755e-05
2.945e-08
d
yr
n .2406150035191894 1.7296e-09 deg/d
Q 3.32575601450166 1.5937e-08 au
  Orbit Determination Parameters
   # obs. used (total)      782  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      1999-10-05  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52227  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:25:43  

Additional Information
 Earth MOID = .807295 au 
 Jupiter MOID = 2.13628 au 
 T_jup = 3.368 
[ 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 15.5   n/a MPO449862  

160644 (1999 XM11)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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