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JPL Small-Body Database Browser
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52448 (1994 UW9)
Classification: Main-belt Asteroid          SPK-ID: 2052448
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2443307692594725 6.1487e-08  
a 2.539406434763344 8.5294e-09 au
q 1.918951307095162 1.5929e-07 au
i 1.941322244742503 6.0491e-06 deg
node 317.7457826453012 0.00010318 deg
peri 48.88536348251787 0.00010395 deg
M 132.3206519390261 1.2242e-05 deg
tp 2458457.222296457932
(2018-Dec-04.72229646)
4.8468e-05 TDB
period 1478.07594966558
4.05
7.4469e-06
2.039e-08
d
yr
n .2435598793698331 1.2271e-09 deg/d
Q 3.159861562431526 1.0613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      9228 days (25.26 yr)  
   first obs. used      1994-10-28  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57417  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:28:40  

Additional Information
 Earth MOID = .918227 au 
 Jupiter MOID = 2.30907 au 
 T_jup = 3.403 
[ 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 15.9   n/a MPO309551  
diameter diameter 1.781 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52448 (1994 UW9)          Discovered 1994-Oct-28 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 UW9 = 1998 SA122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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