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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 95 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7143423035791056 1.0505e-08  
a 2.528077744828914 4.6333e-09 au
q .7221648649607575 2.5629e-08 au
i 3.421044357866081 7.0079e-06 deg
node 353.7341527910285 1.7883e-05 deg
peri 85.34160980146029 1.9599e-05 deg
M 280.4601792795274 1.2243e-06 deg
tp 2459524.889039723933
(2021-Nov-06.38903972)
5.8627e-06 TDB
period 1468.196096531535
4.02
4.0363e-06
1.105e-08
d
yr
n .2451988537842211 6.7408e-10 deg/d
Q 4.333990624697071 7.9431e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .3934  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:06  

Additional Information
 Earth MOID = .0150415 au 
 Jupiter MOID = 1.01555 au 
 T_jup = 3.032 
[ 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 19.7   n/a MPO273279  
rotation period rot_per 17.38 h n/a LCDB (Rev. 2020-October); 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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