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152664 (1998 FW4)
Classification: Apollo [NEO, PHA]          SPK-ID: 2152664
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 94 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7157177042311421 1.0803e-08  
a 2.526650404511586 4.6258e-09 au
q .7182819775998671 2.6336e-08 au
i 3.416401805079516 7.0277e-06 deg
node 354.0555199668702 1.8043e-05 deg
peri 85.06732075940658 1.975e-05 deg
M 231.4778509311208 1.0402e-06 deg
tp 2459524.210930893702
(2021-Nov-05.71093089)
5.6466e-06 TDB
period 1466.952867561297
4.02
4.0286e-06
1.103e-08
d
yr
n .2454066575420885 6.7394e-10 deg/d
Q 4.335018831423305 7.9366e-09 au
  Orbit Determination Parameters
   # obs. used (total)      483  
   # delay obs. used      11  
   # Doppler obs. used      7  
   data-arc span      8571 days (23.47 yr)  
   first obs. used      1994-03-09  
   last obs. used      2017-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39786  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jun-25 06:23:46  

Additional Information
 Earth MOID = .0143209 au 
 Jupiter MOID = 1.01361 au 
 T_jup = 3.031 
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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 19.7   n/a MPO273279  
rotation period rot_per 17.38 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2014) Minor Planet Bull. 41, 41-47.]

152664 (1998 FW4)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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