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JPL Small-Body Database Browser
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46506 (3387 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2046506
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091203240116577 3.6737e-08  
a 2.156382103555656 6.7969e-09 au
q 1.705438779367157 7.734e-08 au
i 1.63953235270817 4.3998e-06 deg
node 8.400873837904271 0.0001033 deg
peri 291.0814809904539 0.00010381 deg
M 223.5856787055012 1.1781e-05 deg
tp 2459438.772752129678
(2021-Aug-12.27275213)
3.8728e-05 TDB
period 1156.610165776245
3.17
5.4684e-06
1.497e-08
d
yr
n .3112543972483506 1.4716e-09 deg/d
Q 2.607325427744155 8.2182e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      15458 days (42.32 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52346  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:29:18  

Additional Information
 Earth MOID = .690672 au 
 Jupiter MOID = 2.61129 au 
 T_jup = 3.672 
[ 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 16.2   n/a MPO452806  
rotation period rot_per 9.32 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

46506 (3387 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 3387 T-3 = 1999 RA141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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