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80366 (1999 XA142)
Classification: Mars-crossing Asteroid          SPK-ID: 2080366
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2861000327989971 6.6923e-08  
a 2.281640007053453 1.1033e-08 au
q 1.628862726199956 1.5334e-07 au
i 23.16813128492568 7.9112e-06 deg
node 61.19453009502229 1.8695e-05 deg
peri 79.51382063461512 2.5955e-05 deg
M 185.4912251812151 1.4057e-05 deg
tp 2459210.716407143396
(2020-Dec-27.21640714)
5.0722e-05 TDB
period 1258.83587687635
3.45
9.1305e-06
2.5e-08
d
yr
n .2859785033242752 2.0743e-09 deg/d
Q 2.93441728790695 1.4189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      9333 days (25.55 yr)  
   first obs. used      1992-11-02  
   last obs. used      2018-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47235  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 15:30:01  

Additional Information
 Earth MOID = .796885 au 
 Jupiter MOID = 2.55477 au 
 T_jup = 3.447 
[ 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 14.8   n/a MPO449504  
diameter diameter 2.885 km 0.633 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.255   0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

80366 (1999 XA142)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 XA142 = 1992 WY5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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