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48744 (1997 FY2)
Classification: Main-belt Asteroid          SPK-ID: 2048744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09744995886403345 3.236e-08  
a 2.30772481909824 7.5887e-09 au
q 2.082837130407608 7.4018e-08 au
i 5.48649755576485 4.4937e-06 deg
node 354.8534755777718 2.9723e-05 deg
peri 235.3850092278565 3.6509e-05 deg
M 188.3775305389217 2.1615e-05 deg
tp 2459610.944385985003
(2022-Jan-31.44438598)
7.7104e-05 TDB
period 1280.484890146857
3.51
6.3161e-06
1.729e-08
d
yr
n .2811434971003149 1.3868e-09 deg/d
Q 2.532612507788873 8.3282e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1306  
   data-arc span      8634 days (23.64 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:59  

Additional Information
 Earth MOID = 1.07876 au 
 Jupiter MOID = 2.46354 au 
 T_jup = 3.574 
[ 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 15.2   n/a MPO502481  
diameter diameter 2.630 km 0.831 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.067 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.212   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48744 (1997 FY2)          Discovered 1997-Mar-31 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 FY2 = 1998 SR52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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