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JPL Small-Body Database Browser
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9440 (1997 FZ1)
Classification: Main-belt Asteroid          SPK-ID: 2009440
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1451378579181801 4.3053e-08  
a 2.389058065653471 8.0934e-09 au
q 2.042315295562375 1.0412e-07 au
i .309633828710099 3.9662e-06 deg
node 8.856702745680014 0.0006729 deg
peri 182.3152977513325 0.00067302 deg
M 354.8417283409211 1.2594e-05 deg
tp 2458619.825920759956
(2019-May-16.32592076)
4.7192e-05 TDB
period 1348.771823860524
3.69
6.8539e-06
1.876e-08
d
yr
n .2669094902721124 1.3563e-09 deg/d
Q 2.735800835744567 9.2681e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1609  
   data-arc span      13589 days (37.20 yr)  
   first obs. used      1982-02-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50135  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:42:26  

Additional Information
 Earth MOID = 1.04264 au 
 Jupiter MOID = 2.22183 au 
 T_jup = 3.519 
[ 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 14.6   n/a MPO272684  
rotation period rot_per 5.196349 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]

9440 (1997 FZ1)          Discovered 1997-Mar-29 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 FZ1 = 1982 DV5 = 1990 HN3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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