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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793397930304662 2.9217e-08  
a 2.378424418917459 6.0185e-09 au
q 1.951878275890195 6.9054e-08 au
i 3.08885110097383 3.9276e-06 deg
node 30.68521642378015 5.1137e-05 deg
peri 311.8247798677023 5.2267e-05 deg
M 70.94344269171894 1.1165e-05 deg
tp 2458936.476722188951
(2020-Mar-27.97672219)
4.1036e-05 TDB
period 1339.776819473021
3.67
5.0853e-06
1.392e-08
d
yr
n .2687014693548737 1.0199e-09 deg/d
Q 2.804970561944724 7.0978e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1166  
   data-arc span      9604 days (26.29 yr)  
   first obs. used      1994-10-04  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53992  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:45:27  

Additional Information
 Earth MOID = .943816 au 
 Jupiter MOID = 2.59534 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 15.75   n/a MPCxxxxx  
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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