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20148 (1996 TR)
Classification: Main-belt Asteroid          SPK-ID: 2020148
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291631644168832 4.6035e-08  
a 2.35679603802764 8.5388e-09 au
q 2.052384803870817 1.0761e-07 au
i 7.01868556008062 4.9342e-06 deg
node 175.0173613280039 2.5823e-05 deg
peri 206.1779791159904 2.8654e-05 deg
M 245.5584168124308 1.3219e-05 deg
tp 2459620.609770875757
(2022-Feb-10.10977088)
4.9634e-05 TDB
period 1321.543387488721
3.62
7.182e-06
1.966e-08
d
yr
n .2724087634262955 1.4804e-09 deg/d
Q 2.661207272184463 9.6417e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1277  
   data-arc span      10670 days (29.21 yr)  
   first obs. used      1991-04-08  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58003  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:14:14  

Additional Information
 Earth MOID = 1.05547 au 
 Jupiter MOID = 2.8009 au 
 T_jup = 3.533 
[ 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 15.24   n/a E2021B10  
rotation period rot_per 12.0116 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.]

20148 (1996 TR)          Discovered 1996-Oct-04 by Farra d'Isonzo at Farra d'Isonzo
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 TR = 1998 EU6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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