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3842 Harlansmith (1985 FC1)
Classification: Main-belt Asteroid          SPK-ID: 2003842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190279404821792 3.402e-08  
a 2.354194143189486 8.0977e-09 au
q 2.073979262830433 8.2236e-08 au
i 4.058497902141177 4.3267e-06 deg
node 345.3233840848811 4.405e-05 deg
peri 112.8817596935781 4.7625e-05 deg
M 339.4830704460283 1.9077e-05 deg
tp 2459075.692011976270
(2020-Aug-14.19201198)
7.0057e-05 TDB
period 1319.35552248446
3.61
6.8073e-06
1.864e-08
d
yr
n .2728604942829125 1.4078e-09 deg/d
Q 2.634409023548539 9.0616e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2087  
   data-arc span      19829 days (54.29 yr)  
   first obs. used      1965-10-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44175  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:57:12  

Additional Information
 Earth MOID = 1.0948 au 
 Jupiter MOID = 2.49654 au 
 T_jup = 3.543 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9   n/a MPO347552  
diameter diameter 7.040 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.7938 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Han, X.L.; Li, B.; Zhao, H.; Liu. W.; et al. (2013) Minor Planet Bull. 40, 99-100.]
geometric albedo albedo 0.270   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3842 Harlansmith (1985 FC1)          Discovered 1985-Mar-21 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1985 FC1 = 1952 BW = 1965 UG2 = 1974 EQ = 1976 UO3 = 1980 YE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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