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16652 (1993 TT12)
Classification: Main-belt Asteroid          SPK-ID: 2016652
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770021724223229 3.4887e-08  
a 2.345239247782109 7.2921e-09 au
q 1.930126806074582 8.0919e-08 au
i 4.19653270642093 3.3872e-06 deg
node 67.72295630461586 5.7887e-05 deg
peri 240.3007994824497 5.8828e-05 deg
M 257.0276112464909 1.1192e-05 deg
tp 2459575.729905531650
(2021-Dec-27.22990553)
4.1262e-05 TDB
period 1311.834828992355
3.59
6.1184e-06
1.675e-08
d
yr
n .2744247919355235 1.2799e-09 deg/d
Q 2.760351689489637 8.5828e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2616  
   data-arc span      16585 days (45.41 yr)  
   first obs. used      1975-10-10  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:37:51  

Additional Information
 Earth MOID = .917532 au 
 Jupiter MOID = 2.48972 au 
 T_jup = 3.537 
[ 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 14.58   n/a E2021B10  
diameter diameter 4.329 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.5093 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:
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.094   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16652 (1993 TT12)          Discovered 1993-Oct-13 by Holt, H. E. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TT12 = 1975 TS6 = 1986 WJ4 = 1993 TZ23 = 1997 WO45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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