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52958 (1998 TT2)
Classification: Main-belt Asteroid          SPK-ID: 2052958
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175264090030828 3.1368e-08  
a 2.375100937571531 7.3021e-09 au
q 1.95883103301669 7.6842e-08 au
i 2.113790811366563 4.4483e-06 deg
node 342.6055007271849 0.00010088 deg
peri 117.3783409835805 0.00010231 deg
M 327.3070474687095 1.4562e-05 deg
tp 2459321.915232727131
(2021-Apr-17.41523273)
5.4083e-05 TDB
period 1336.969603462175
3.66
6.1656e-06
1.688e-08
d
yr
n .2692656579983233 1.2418e-09 deg/d
Q 2.791370842126371 8.5819e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1119  
   data-arc span      8136 days (22.28 yr)  
   first obs. used      1998-10-11  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48404  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:49:16  

Additional Information
 Earth MOID = .976585 au 
 Jupiter MOID = 2.36132 au 
 T_jup = 3.520 
[ 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 15.62   n/a E2021B10  
diameter diameter 1.771 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.204   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52958 (1998 TT2)          Discovered 1998-Oct-13 by ODAS at Caussols
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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