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JPL Small-Body Database Browser
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4171 Carrasco (1982 FZ1)
Classification: Main-belt Asteroid          SPK-ID: 2004171
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07953192665354 3.5751e-08  
a 2.242887543476091 6.5107e-09 au
q 2.064506375876212 8.0158e-08 au
i 4.03383028061328 3.5563e-06 deg
node 185.1841026504154 5.1099e-05 deg
peri 29.78492160582004 5.5086e-05 deg
M 342.8930802814971 2.0893e-05 deg
tp 2458658.801401095531
(2019-Jun-24.30140110)
7.1233e-05 TDB
period 1226.9014375329
3.36
5.3422e-06
1.463e-08
d
yr
n .2934221030206809 1.2776e-09 deg/d
Q 2.42126871107597 7.0285e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2293  
   data-arc span      13563 days (37.13 yr)  
   first obs. used      1982-03-23  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44744  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:16:07  

Additional Information
 Earth MOID = 1.05922 au 
 Jupiter MOID = 2.54239 au 
 T_jup = 3.626 
[ 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 13.6   n/a MPO384790  
diameter diameter 4.940 km 0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 33.53 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2009) http://www.asu.cas.cz/~ppravec/neo.htm]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.501   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4171 Carrasco (1982 FZ1)          Discovered 1982-Mar-23 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 FZ1 = 1983 RR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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