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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2440908918631944 7.4449e-08  
a 2.539650536860705 9.6689e-09 au
q 1.919744972297535 1.9363e-07 au
i 1.940947630113826 6.3808e-06 deg
node 317.7499435245055 0.00011844 deg
peri 48.91002152545993 0.00011909 deg
M 34.90035801338506 1.245e-05 deg
tp 2458457.186616637802
(2018-Dec-04.68661664)
5.0571e-05 TDB
period 1478.289076307024
4.05
8.4422e-06
2.311e-08
d
yr
n .2435247650610604 1.3907e-09 deg/d
Q 3.159556101423875 1.2029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      8778 days (24.03 yr)  
   first obs. used      1994-10-28  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56782  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:06:05  

Additional Information
 Earth MOID = .918176 au 
 Jupiter MOID = 2.30592 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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