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469141 (2015 FS121)
Classification: Main-belt Asteroid          SPK-ID: 2469141
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1129006334703907 6.7386e-08  
a 2.764390825927578 3.727e-08 au
q 2.452289350520618 1.7348e-07 au
i 7.045541688086651 6.2004e-06 deg
node 148.0172948705404 5.289e-05 deg
peri 31.26270930942784 6.0155e-05 deg
M 47.78036729699954 2.8695e-05 deg
tp 2458777.684922941200
(2019-Oct-21.18492294)
0.00013207 TDB
period 1678.794707511697
4.60
3.3951e-05
9.295e-08
d
yr
n .2144395609476221 4.3367e-09 deg/d
Q 3.076492301334538 4.1478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      7022 days (19.23 yr)  
   first obs. used      2001-02-03  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:46:03  

Additional Information
 Earth MOID = 1.4596 au 
 Jupiter MOID = 1.89126 au 
 T_jup = 3.320 
[ 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 16.9   n/a MPO423614  
diameter diameter 2.454 km 0.258 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469141 (2015 FS121)          Discovered 2010-Jan-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

[ show close-approach data ]
Alternate Designations
 2015 FS121 = 2010 AB48 = 2010 HY16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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