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43142 (1999 XQ93)
Classification: Main-belt Asteroid          SPK-ID: 2043142
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910202594520751 1.7659e-08  
a 2.590757165368862 1.0155e-08 au
q 2.095870059462779 4.4359e-08 au
i 14.45721647544801 8.6284e-07 deg
node 100.5297205818939 4.0938e-06 deg
peri 307.9750362112598 4.8557e-06 deg
M 53.69389391762079 4.1825e-06 deg
tp 2458973.324815989181
(2020-May-03.82481599)
1.713e-05 TDB
period 1523.135319061967
4.17
8.9552e-06
2.452e-08
d
yr
n .2363545743405835 1.3896e-09 deg/d
Q 3.085644271274945 1.2095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2004  
   data-arc span      24553 days (67.22 yr)  
   first obs. used      1954-01-01  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:24:08  

Additional Information
 Earth MOID = 1.13871 au 
 Jupiter MOID = 2.33048 au 
 T_jup = 3.350 
[ 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 13.75   n/a MPCxxxxx  
diameter diameter 6.000 km 0.954 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.073 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.257   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43142 (1999 XQ93)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XQ93 = 1954 AA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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