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JPL Small-Body Database Browser
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91061 (1998 FN61)
Classification: Main-belt Asteroid          SPK-ID: 2091061
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1351861036028411 5.7754e-08  
a 2.564120695057468 1.5104e-08 au
q 2.21748720912524 1.4177e-07 au
i 23.41948723359157 5.5167e-06 deg
node 190.8241807155958 1.2879e-05 deg
peri 329.6649136707086 2.8287e-05 deg
M 166.4888116953582 3.1121e-05 deg
tp 2458306.932593842010
(2018-Jul-07.43259384)
0.00012556 TDB
period 1499.70597828369
4.11
1.3251e-05
3.628e-08
d
yr
n .2400470526976195 2.1209e-09 deg/d
Q 2.910754180989696 1.7145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      9289 days (25.43 yr)  
   first obs. used      1994-03-14  
   last obs. used      2019-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57166  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:57:46  

Additional Information
 Earth MOID = 1.24076 au 
 Jupiter MOID = 2.09966 au 
 T_jup = 3.306 
[ 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 14.9   n/a MPO385377  
diameter diameter 5.658 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91061 (1998 FN61)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 FN61 = 2000 SN188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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