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90033 (2002 UT31)
Classification: Main-belt Asteroid          SPK-ID: 2090033
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1746929367680062 3.5803e-08  
a 2.306979448792412 1.0652e-08 au
q 1.90396643381943 8.1611e-08 au
i 8.077786944709588 6.8287e-06 deg
node 344.1921140299201 2.8914e-05 deg
peri 241.7391531622987 3.5436e-05 deg
M 280.546584723382 2.1803e-05 deg
tp 2459678.971141270439
(2022-Apr-09.47114127)
7.8005e-05 TDB
period 1279.864565963899
3.50
8.8642e-06
2.427e-08
d
yr
n .2812797616042091 1.9481e-09 deg/d
Q 2.709992463765395 1.2513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      8707 days (23.84 yr)  
   first obs. used      1997-03-06  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5329  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:38:14  

Additional Information
 Earth MOID = .911787 au 
 Jupiter MOID = 2.31715 au 
 T_jup = 3.554 
[ 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 15.94   n/a MPCxxxxx  
diameter diameter 3.296 km 0.532 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90033 (2002 UT31)          Discovered 2002-Oct-30 by NEAT at Haleakala
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2002 UT31 = 1998 SZ18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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