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52198 (2389 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2052198
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1065558876933717 5.2273e-08  
a 2.569712266211784 1.2124e-08 au
q 2.295894294569041 1.3574e-07 au
i 15.62351526224262 4.8491e-06 deg
node 10.23025112864045 1.242e-05 deg
peri 3.451204472602146 2.3934e-05 deg
M 178.6315365902888 1.8975e-05 deg
tp 2458453.912341518404
(2018-Dec-01.41234152)
7.8305e-05 TDB
period 1504.614258958271
4.12
1.0648e-05
2.915e-08
d
yr
n .2392639826830089 1.6932e-09 deg/d
Q 2.843530237854526 1.3415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2387  
   data-arc span      15867 days (43.44 yr)  
   first obs. used      1977-10-12  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39906  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 06:17:18  

Additional Information
 Earth MOID = 1.29488 au 
 Jupiter MOID = 2.6216 au 
 T_jup = 3.371 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.33   n/a E2021B10  
diameter diameter 4.017 km 0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 61.1995 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.209   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52198 (2389 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2389 T-3 = 2000 EN66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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