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15185 (4104 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2015185
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09664259715814962 9.0889e-09  
a 2.547108263100579 8.2546e-09 au
q 2.300949105311556 2.6928e-08 au
i 10.51718292525964 6.5424e-07 deg
node 168.0810130885799 3.3114e-06 deg
peri 171.0595938342985 1.0826e-05 deg
M 294.8965294809293 1.2487e-05 deg
tp 2459469.016621160752
(2021-Sep-11.51662116)
5.2032e-05 TDB
period 1484.805385137716
4.07
7.2179e-06
1.976e-08
d
yr
n .2424560172016146 1.1786e-09 deg/d
Q 2.793267420889602 9.0523e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2491  
   data-arc span      18040 days (49.39 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:51:39  

Additional Information
 Earth MOID = 1.29126 au 
 Jupiter MOID = 2.59817 au 
 T_jup = 3.412 
[ 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 13.59   n/a E2021B10  
diameter diameter 13.526 km 3.682 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 261.109 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 0.037   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

15185 (4104 T-1)          Discovered 1971-Mar-26 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
 4104 T-1 = 1999 CC69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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