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18470 (1995 UX44)
Classification: Main-belt Asteroid          SPK-ID: 2018470
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0804448361411972 3.3938e-08  
a 2.953260262045835 1.4605e-08 au
q 2.715685724183249 1.0762e-07 au
i 1.899943922463044 5.2542e-06 deg
node 22.57614725459669 0.00010247 deg
peri 48.5744325428955 0.00010955 deg
M 310.515889479849 3.8584e-05 deg
tp 2459455.308714525750
(2021-Aug-28.80871453)
0.00019913 TDB
period 1853.749340243576
5.08
1.3751e-05
3.765e-08
d
yr
n .1942010131492197 1.4406e-09 deg/d
Q 3.190834799908421 1.578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1564  
   data-arc span      10948 days (29.97 yr)  
   first obs. used      1991-01-19  
   last obs. used      2021-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:38:26  

Additional Information
 Earth MOID = 1.73006 au 
 Jupiter MOID = 2.01974 au 
 T_jup = 3.263 
[ 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 14.10   n/a E2021B10  
diameter diameter 4.440 km 0.141 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.247   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18470 (1995 UX44)          Discovered 1995-Oct-27 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 UX44 = 1997 EH35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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