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102390 (1999 TP155)
Classification: Main-belt Asteroid          SPK-ID: 2102390
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843679562703384 4.1969e-08  
a 2.390932355763816 1.3022e-08 au
q 1.950121043751015 9.9173e-08 au
i 6.346033033413393 5.0392e-06 deg
node 191.0703668510459 3.6691e-05 deg
peri 157.6883044671204 3.9485e-05 deg
M 290.9949309030221 1.8832e-05 deg
tp 2459459.337892482112
(2021-Sep-01.83789248)
7.2181e-05 TDB
period 1350.359365086719
3.70
1.1032e-05
3.02e-08
d
yr
n .26659569986163 2.1781e-09 deg/d
Q 2.831743667776617 1.5423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      649  
   data-arc span      8077 days (22.11 yr)  
   first obs. used      1998-05-01  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:55:03  

Additional Information
 Earth MOID = .944129 au 
 Jupiter MOID = 2.61007 au 
 T_jup = 3.501 
[ 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 15.81   n/a E2021B55  
diameter diameter 1.932 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 53.427 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.272   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102390 (1999 TP155)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 TP155 = 2002 LQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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