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43127 (1999 XD68)
Classification: Outer Main-belt Asteroid          SPK-ID: 2043127
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03331086578942844 4.9246e-08  
a 3.258417842680264 2.6892e-08 au
q 3.149877123236863 1.6974e-07 au
i 4.583318109288141 4.904e-06 deg
node 213.9579492836424 5.1694e-05 deg
peri 170.550412238762 8.749e-05 deg
M 256.7944616324391 7.3532e-05 deg
tp 2459816.398423739272
(2022-Aug-24.89842374)
0.00044173 TDB
period 2148.367578457679
5.88
2.6596e-05
7.282e-08
d
yr
n .1675690899498889 2.0745e-09 deg/d
Q 3.366958562123666 2.7788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      7952 days (21.77 yr)  
   first obs. used      1998-09-16  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53548  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:07  

Additional Information
 Earth MOID = 2.1518 au 
 Jupiter MOID = 1.81257 au 
 T_jup = 3.174 
[ 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 14.49   n/a E2021B10  
diameter diameter 7.809 km 0.389 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43127 (1999 XD68)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XD68 = 2002 JA54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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