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4445 Jimstratton (1985 TC)
Classification: Main-belt Asteroid          SPK-ID: 2004445
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894945567988067 1.9026e-08  
a 2.267539667344943 5.3664e-09 au
q 1.8378532430577 4.4145e-08 au
i 2.859097517411942 9.1641e-07 deg
node 215.5488068984731 1.1785e-05 deg
peri 156.5762195706731 1.2107e-05 deg
M 116.4282892969846 5.3193e-06 deg
tp 2458797.145615458117
(2019-Nov-09.64561546)
1.8089e-05 TDB
period 1247.184677468578
3.41
4.4274e-06
1.212e-08
d
yr
n .2886501145369227 1.0247e-09 deg/d
Q 2.697226091632186 6.3833e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2485  
   data-arc span      30549 days (83.64 yr)  
   first obs. used      1937-08-03  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46372  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:38:08  

Additional Information
 Earth MOID = .837084 au 
 Jupiter MOID = 2.77166 au 
 T_jup = 3.589 
[ 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 13.91   n/a MPCxxxxx  
diameter diameter 4.138 km 0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.74 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.216   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4445 Jimstratton           Discovered 1985 Oct. 15 by K. Suzuki and T. Urata at Toyota.
James Michael Stratton (b. 1976) helped further the exploration of the planets through his roles as both the propulsion and deputy mission systems engineer on NASA's New Horizons Pluto-Kuiper Belt mission.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

Alternate Designations
 1985 TC = 1937 PC = 1951 WL1 = 1978 PE2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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