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91069 (1998 FK70)
Classification: Main-belt Asteroid          SPK-ID: 2091069
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218222353468017 7.0105e-08  
a 2.535261713148051 1.0011e-08 au
q 1.982010935447527 1.8069e-07 au
i 9.37095254259305 7.2623e-06 deg
node 176.1112963410905 2.1342e-05 deg
peri 331.1620043177155 2.4574e-05 deg
M 206.6639837364943 1.0202e-05 deg
tp 2459628.521191952065
(2022-Feb-18.02119195)
4.2626e-05 TDB
period 1474.458738475474
4.04
8.733e-06
2.391e-08
d
yr
n .2441573918658614 1.4461e-09 deg/d
Q 3.088512490848575 1.2195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1042  
   data-arc span      7912 days (21.66 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53302  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:16:08  

Additional Information
 Earth MOID = .998433 au 
 Jupiter MOID = 1.93952 au 
 T_jup = 3.397 
[ 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 15.1   n/a MPO244868  
diameter diameter 2.203 km 0.428 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.399   0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91069 (1998 FK70)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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