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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07952049529235793 3.6094e-08  
a 2.959165597475793 1.8661e-08 au
q 2.723851283512412 1.1128e-07 au
i 1.900375016136325 5.5375e-06 deg
node 22.74273468557525 0.00011616 deg
peri 46.93188020559588 0.00012272 deg
M 195.6618330727516 3.8953e-05 deg
tp 2459449.266575220739
(2021-Aug-22.76657522)
0.00020257 TDB
period 1859.312251028906
5.09
1.7588e-05
4.815e-08
d
yr
n .1936199795385543 1.8315e-09 deg/d
Q 3.194479911439174 2.0145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1264  
   data-arc span      10009 days (27.40 yr)  
   first obs. used      1991-01-19  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50505  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 17:49:11  

Additional Information
 Earth MOID = 1.73825 au 
 Jupiter MOID = 2.02188 au 
 T_jup = 3.261 
[ 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 14.0   n/a MPO435870  
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

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