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JPL Small-Body Database Browser
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39705 (1996 TO18)
Classification: Main-belt Asteroid          SPK-ID: 2039705
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 .119832455972319 3.3555e-08  
a 2.276080245238278 9.2193e-09 au
q 2.003331959461297 7.9322e-08 au
i 5.551378855956079 4.1289e-06 deg
node 31.04147293058359 3.9895e-05 deg
peri 243.5462350123884 4.4456e-05 deg
M 65.57269983615315 1.8371e-05 deg
tp 2458772.045169363706
(2019-Oct-15.54516936)
6.4233e-05 TDB
period 1254.237498754338
3.43
7.6204e-06
2.086e-08
d
yr
n .2870269788278046 1.7439e-09 deg/d
Q 2.548828531015259 1.0324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      10408 days (28.50 yr)  
   first obs. used      1990-11-13  
   last obs. used      2019-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55778  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:10:51  

Additional Information
 Earth MOID = .994644 au 
 Jupiter MOID = 2.54698 au 
 T_jup = 3.593 
[ 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 15.2   n/a MPO474254  
rotation period rot_per 247.156 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

39705 (1996 TO18)          Discovered 1996-Oct-04 by Spacewatch at Kitt Peak
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 TO18 = 1998 DW14 = 1999 RW245 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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