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160660 (1999 XX204)
Classification: Main-belt Asteroid          SPK-ID: 2160660
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3075735128678068 4.3683e-08  
a 2.645014667259974 9.8873e-09 au
q 1.831478214463951 1.1835e-07 au
i 10.95288532519596 5.9446e-06 deg
node 333.7443477284259 1.7936e-05 deg
peri 55.67249314204983 2.3249e-05 deg
M 359.1269208000493 9.6391e-06 deg
tp 2459204.310585362486
(2020-Dec-20.81058536)
4.2071e-05 TDB
period 1571.232862462342
4.30
8.8101e-06
2.412e-08
d
yr
n .2291194441006215 1.2847e-09 deg/d
Q 3.458551120055998 1.2928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      7701 days (21.08 yr)  
   first obs. used      1999-12-12  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47348  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:02:17  

Additional Information
 Earth MOID = .858958 au 
 Jupiter MOID = 2.13665 au 
 T_jup = 3.299 
[ 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 15.64   n/a E2021B55  

160660 (1999 XX204)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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