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JPL Small-Body Database Browser
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488515 (2001 FE90)
Classification: Apollo [NEO, PHA]          SPK-ID: 2488515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .494619875159838 1.6757e-08  
a 1.934876612212276 5.4356e-09 au
q .9778481838301497 3.2089e-08 au
i 8.792758013543185 7.2998e-06 deg
node 98.53374098992212 5.638e-06 deg
peri 145.1269498832898 1.1179e-05 deg
M 31.14968976473535 6.6443e-06 deg
tp 2458915.439180121818
(2020-Mar-06.93918012)
1.7814e-05 TDB
period 983.0561841040412
2.69
4.1425e-06
1.134e-08
d
yr
n .3662049085506791 1.5431e-09 deg/d
Q 2.891905040594402 8.1241e-09 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      5836 days (15.98 yr)  
   first obs. used      2001-03-26  
   last obs. used      2017-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42691  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 19:01:22  

Additional Information
 Earth MOID = .0144881 au 
 Jupiter MOID = 2.16335 au 
 T_jup = 3.737 
[ 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 20.6   n/a E2017F13  
rotation period rot_per 0.4777 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Hicks, M.; Lawrence, K.; Rhoades, H.; Somers, J; et al. (2009) Astronomer's Telegram 2116. http://www.astronomerstelegram.org]
[Oey, J. (2011) http://minorplanet.haoeydental.com.au]
[Skiff, B.A.; Bowell, E.; Koehn, B.W.; Sanborn, J.J.; McLelland, K.P.; Warner, B.D. (2012) Minor Planet Bull. 39, 111-130.]
[Koehn, B.W.; Bowell, E.L.G.; Skiff, B.A.; Sanborn, J.J.; et al. (2014) Minor Planet Bull. 41, 286-300.]

488515 (2001 FE90)          Discovered 2001-Mar-26 by LONEOS at Anderson Mesa
Reference: Last Updated: 2017-05-15

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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