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43128 (1999 XM68)
Classification: Main-belt Asteroid          SPK-ID: 2043128
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2690225828899606 4.0311e-08  
a 2.538739600196815 1.1032e-08 au
q 1.855761315666842 1.0085e-07 au
i 4.63512975828009 3.8459e-06 deg
node 97.80431348527082 5.8508e-05 deg
peri 241.8404256070179 5.9583e-05 deg
M 137.3622871332623 1.2022e-05 deg
tp 2458636.744651063811
(2019-Jun-02.24465106)
4.8793e-05 TDB
period 1477.493785613322
4.05
9.6302e-06
2.637e-08
d
yr
n .2436558471550934 1.5881e-09 deg/d
Q 3.221717884726788 1.3999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1223  
   data-arc span      8364 days (22.90 yr)  
   first obs. used      1998-04-24  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:24:01  

Additional Information
 Earth MOID = .850547 au 
 Jupiter MOID = 2.19103 au 
 T_jup = 3.391 
[ 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 15.24   n/a MPCxxxxx  
diameter diameter 3.590 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.150   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43128 (1999 XM68)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XM68 = 2001 DD7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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