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80396 (1999 XW173)
Classification: Main-belt Asteroid          SPK-ID: 2080396
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1246908648326682 3.4367e-08  
a 2.35270146333069 8.9307e-09 au
q 2.059341083174902 8.5271e-08 au
i 4.947671410099978 4.2946e-06 deg
node 22.93150071331362 4.1327e-05 deg
peri 40.83679906393781 4.5521e-05 deg
M 270.9724518308392 1.9448e-05 deg
tp 2459326.464701401155
(2021-Apr-21.96470140)
7.1772e-05 TDB
period 1318.100912780895
3.61
7.5051e-06
2.055e-08
d
yr
n .2731202114415363 1.5551e-09 deg/d
Q 2.646061843486478 1.0044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      884  
   data-arc span      8605 days (23.56 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51849  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:19:43  

Additional Information
 Earth MOID = 1.07516 au 
 Jupiter MOID = 2.64033 au 
 T_jup = 3.541 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO280283  

80396 (1999 XW173)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XW173 = 1997 GO16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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