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37911 (1998 FA85)
Classification: Main-belt Asteroid          SPK-ID: 2037911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774874767444598 5.1667e-08  
a 2.628597116219787 1.9753e-08 au
q 2.162054046684173 1.4072e-07 au
i 13.12795108501009 5.891e-06 deg
node 21.03396540059651 2.5711e-05 deg
peri 231.9002490512961 3.363e-05 deg
M 10.40222367324956 2.6774e-05 deg
tp 2458955.521169956539
(2020-Apr-16.02116996)
0.00011551 TDB
period 1556.626671784248
4.26
1.7546e-05
4.804e-08
d
yr
n .2312693252180743 2.6068e-09 deg/d
Q 3.095140185755401 2.3259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      7755 days (21.23 yr)  
   first obs. used      1998-02-26  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:40:42  

Additional Information
 Earth MOID = 1.17571 au 
 Jupiter MOID = 2.01588 au 
 T_jup = 3.342 
[ 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 14.5   n/a MPO337566  
diameter diameter 3.785 km 0.991 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.235   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37911 (1998 FA85)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FA85 = 2000 WM155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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