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90542 (2004 FG94)
Classification: Main-belt Asteroid          SPK-ID: 2090542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006709230154326 4.7206e-08  
a 3.177748134711401 2.0112e-08 au
q 2.857841296879435 1.5559e-07 au
i 22.63098416958982 5.7713e-06 deg
node 41.45904327923952 9.1983e-06 deg
peri 308.9855107461585 2.3606e-05 deg
M 250.4566981780368 2.3117e-05 deg
tp 2460026.094552922951
(2023-Mar-22.59455292)
0.00013452 TDB
period 2069.081680782594
5.66
1.9643e-05
5.378e-08
d
yr
n .1739902311946604 1.6518e-09 deg/d
Q 3.497654972543367 2.2137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1625  
   data-arc span      8507 days (23.29 yr)  
   first obs. used      1998-03-24  
   last obs. used      2021-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:25  

Additional Information
 Earth MOID = 1.90376 au 
 Jupiter MOID = 2.02119 au 
 T_jup = 3.073 
[ 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 13.56   n/a MPO637232  
diameter diameter 10.363 km 1.398 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.079   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

90542 (2004 FG94)          Discovered 2004-Mar-22 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 2004 FG94 = 1998 HW139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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