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80425 (1999 XV218)
Classification: Main-belt Asteroid          SPK-ID: 2080425
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04532915450048688 4.027e-08  
a 2.327622044904143 1.0304e-08 au
q 2.222112905611944 9.4908e-08 au
i 1.684105594376584 4.4697e-06 deg
node 272.1959268724551 0.00019035 deg
peri 179.8005346784239 0.00020112 deg
M 284.5587593300653 6.392e-05 deg
tp 2459272.315013318170
(2021-Feb-26.81501332)
0.00023019 TDB
period 1297.081065019364
3.55
8.6127e-06
2.358e-08
d
yr
n .2775462611464655 1.8429e-09 deg/d
Q 2.433131184196342 1.0771e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      8609 days (23.57 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:19:36  

Additional Information
 Earth MOID = 1.23874 au 
 Jupiter MOID = 2.63147 au 
 T_jup = 3.571 
[ 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 16.0   n/a MPO436343  

80425 (1999 XV218)          Discovered 1999-Dec-15 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XV218 = 1997 GQ43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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