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3713 Pieters (1985 FA2)
Classification: Main-belt Asteroid          SPK-ID: 2003713
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09719407638114665 3.7716e-08  
a 3.021535960108949 1.6924e-08 au
q 2.727860563213739 1.141e-07 au
i 11.37459232296557 4.3058e-06 deg
node 109.1595936633883 2.0937e-05 deg
peri 212.8944661229343 3.0455e-05 deg
M 50.81855850217512 2.2381e-05 deg
tp 2458329.692979552995
(2018-Jul-30.19297955)
0.00011941 TDB
period 1918.404028653211
5.25
1.6118e-05
4.413e-08
d
yr
n .1876559862380674 1.5766e-09 deg/d
Q 3.31521135700416 1.8569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2681  
   data-arc span      25674 days (70.29 yr)  
   first obs. used      1949-05-29  
   last obs. used      2019-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4227  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:29:29  

Additional Information
 Earth MOID = 1.72109 au 
 Jupiter MOID = 1.95679 au 
 T_jup = 3.209 
[ 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 11.5   n/a MPO416750  
diameter diameter 16.024 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.9 h n/a LCDB (Rev. 2019-January); 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:
[Carbo, L.; Green, D.; Kragh, K.; Krotz, J.; et al. (2009) Minor Planet Bull. 36, 152-157.]
geometric albedo albedo 0.189   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B K   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

3713 Pieters (1985 FA2)          Discovered 1985-Mar-22 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 FA2 = 1949 KN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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