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90112 (2002 XZ44)
Classification: Main-belt Asteroid          SPK-ID: 2090112
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09739019297948857 6.1773e-08  
a 3.089698321237726 2.488e-08 au
q 2.788792005483983 1.8574e-07 au
i 9.711066812550939 5.6329e-06 deg
node 288.6082507548297 3.7399e-05 deg
peri 233.9017722655674 4.5894e-05 deg
M 39.35041180897165 2.6929e-05 deg
tp 2458783.670023304394
(2019-Oct-27.17002330)
0.00014792 TDB
period 1983.684236631576
5.43
2.3961e-05
6.56e-08
d
yr
n .1814804964177682 2.1921e-09 deg/d
Q 3.39060463699147 2.7303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      10349 days (28.33 yr)  
   first obs. used      1991-12-28  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61199  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:28:24  

Additional Information
 Earth MOID = 1.81151 au 
 Jupiter MOID = 1.71709 au 
 T_jup = 3.196 
[ 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 14.8   n/a MPO280368  
diameter diameter 5.984 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90112 (2002 XZ44)          Discovered 2002-Dec-07 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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