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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09705253267097119 6.0731e-08  
a 3.091440139237514 2.428e-08 au
q 2.791408044123814 1.8151e-07 au
i 9.709116589587904 5.5841e-06 deg
node 288.6116210800222 3.6746e-05 deg
peri 234.2659166758133 4.5305e-05 deg
M 110.8635822633621 2.6962e-05 deg
tp 2458785.099068701288
(2019-Oct-28.59906870)
0.0001473 TDB
period 1985.361926558237
5.44
2.3389e-05
6.404e-08
d
yr
n .181327139996124 2.1362e-09 deg/d
Q 3.391472234351215 2.6636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      10784 days (29.52 yr)  
   first obs. used      1991-12-28  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:15:59  

Additional Information
 Earth MOID = 1.81492 au 
 Jupiter MOID = 1.71547 au 
 T_jup = 3.195 
[ 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 14.78   n/a E2021B10  
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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