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80377 (1999 XM158)
Classification: Main-belt Asteroid          SPK-ID: 2080377
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1290621598145787 3.2973e-08  
a 2.266436471106832 9.1051e-09 au
q 1.973925285063252 7.2736e-08 au
i 4.029859308729528 4.8276e-06 deg
node 215.5457473037603 4.9683e-05 deg
peri 93.2602201055869 5.4206e-05 deg
M 117.2548097555311 2.0069e-05 deg
tp 2458594.578628056367
(2019-Apr-21.07862806)
6.9081e-05 TDB
period 1246.274623654103
3.41
7.5101e-06
2.056e-08
d
yr
n .288860892428727 1.7407e-09 deg/d
Q 2.558947657150412 1.028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      7649 days (20.94 yr)  
   first obs. used      1999-12-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:08:46  

Additional Information
 Earth MOID = .96438 au 
 Jupiter MOID = 2.66155 au 
 T_jup = 3.602 
[ 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 16.0   n/a MPO439591  
diameter diameter 2.132 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80377 (1999 XM158)          Discovered 1999-Dec-08 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 XM158 = 2001 FN90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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