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JPL Small-Body Database Browser
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100791 (1998 FW75)
Classification: Main-belt Asteroid          SPK-ID: 2100791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2406723418116037 5.2318e-08  
a 2.322788101236966 1.9844e-08 au
q 1.763757249380137 1.2639e-07 au
i 12.28856914360256 7.8911e-06 deg
node 342.9884753807511 2.5813e-05 deg
peri 310.9636011043372 3.1141e-05 deg
M 11.00865839822798 1.7336e-05 deg
tp 2458960.959267475262
(2020-Apr-21.45926748)
6.2207e-05 TDB
period 1293.042548326955
3.54
1.657e-05
4.537e-08
d
yr
n .2784131121329284 3.5679e-09 deg/d
Q 2.881818953093795 2.462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      7681 days (21.03 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54968  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:16:28  

Additional Information
 Earth MOID = .774847 au 
 Jupiter MOID = 2.43391 au 
 T_jup = 3.507 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO436469  
diameter diameter 2.361 km 0.476 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.162   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

100791 (1998 FW75)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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