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43129 (1999 XY68)
Classification: Main-belt Asteroid          SPK-ID: 2043129
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07753579343684847 4.6535e-08  
a 2.803283273951902 1.569e-08 au
q 2.585928481077795 1.3256e-07 au
i 5.031719563428389 3.8683e-06 deg
node 245.8803486115067 6.113e-05 deg
peri 78.09210016449808 6.6742e-05 deg
M 276.1745580566001 2.7614e-05 deg
tp 2459599.683201140884
(2022-Jan-20.18320114)
0.00013223 TDB
period 1714.347685846388
4.69
1.4393e-05
3.941e-08
d
yr
n .2099924087582414 1.763e-09 deg/d
Q 3.020638066826009 1.6907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1038  
   data-arc span      9834 days (26.92 yr)  
   first obs. used      1993-06-20  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:12  

Additional Information
 Earth MOID = 1.57757 au 
 Jupiter MOID = 2.21025 au 
 T_jup = 3.314 
[ 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 14.56   n/a E2021B10  
diameter diameter 3.626 km 1.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.256   0.234 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43129 (1999 XY68)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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