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JPL Small-Body Database Browser
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52446 (1994 TR5)
Classification: Main-belt Asteroid          SPK-ID: 2052446
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793015400004699 4.8101e-08  
a 2.378070863186627 7.5144e-09 au
q 1.951679095187018 1.1495e-07 au
i 3.089024313205296 5.4745e-06 deg
node 30.68633251421435 6.6043e-05 deg
peri 311.77648138773 6.6957e-05 deg
M 17.23831879742225 1.1455e-05 deg
tp 2458936.360137886326
(2020-Mar-27.86013789)
4.2481e-05 TDB
period 1339.478091353979
3.67
6.3488e-06
1.738e-08
d
yr
n .2687613946982161 1.2739e-09 deg/d
Q 2.804462631186236 8.8617e-09 au
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      8982 days (24.59 yr)  
   first obs. used      1994-10-04  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56419  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:47:12  

Additional Information
 Earth MOID = .945435 au 
 Jupiter MOID = 2.59536 au 
 T_jup = 3.516 
[ 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 15.7   n/a MPO436151  
diameter diameter 4.246 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52446 (1994 TR5)          Discovered 1994-Oct-04 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 TR5 = 1998 YR32 = 2001 MN22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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