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15191 (4234 T-2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015191
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115276272918337 3.1518e-08  
a 3.201395510357145 1.6472e-08 au
q 2.832350567785676 9.8506e-08 au
i 5.249525022115529 4.2001e-06 deg
node 29.69774097000813 3.775e-05 deg
peri 258.852760943997 4.2245e-05 deg
M 164.3768624211174 2.0378e-05 deg
tp 2458245.187171099037
(2018-May-06.68717110)
0.00011621 TDB
period 2092.220360814993
5.73
1.6147e-05
4.421e-08
d
yr
n .1720660054468486 1.328e-09 deg/d
Q 3.570440452928614 1.8371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2518  
   data-arc span      18253 days (49.97 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:51:42  

Additional Information
 Earth MOID = 1.82045 au 
 Jupiter MOID = 1.61426 au 
 T_jup = 3.177 
[ 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 13.06   n/a E2021B10  
diameter diameter 13.291 km 0.560 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.194 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.100   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15191 (4234 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4234 T-2 = 1990 RX13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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