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35509 (1998 FK44)
Classification: Main-belt Asteroid          SPK-ID: 2035509
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2827558291885665 3.1388e-08  
a 2.897242819203547 1.3207e-08 au
q 2.078030523499028 8.8696e-08 au
i 4.258458260914804 6.0291e-06 deg
node 5.960464385184041 3.9952e-05 deg
peri 287.0625256824746 4.1723e-05 deg
M 98.42572363062476 1.2344e-05 deg
tp 2458508.027612225201
(2019-Jan-24.52761223)
6.0188e-05 TDB
period 1801.257365038713
4.93
1.2316e-05
3.372e-08
d
yr
n .1998603902958991 1.3666e-09 deg/d
Q 3.716455114908066 1.6941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1370  
   data-arc span      7990 days (21.88 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54076  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:51:20  

Additional Information
 Earth MOID = 1.06692 au 
 Jupiter MOID = 1.53435 au 
 T_jup = 3.224 
[ 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 14.3   n/a MPO436013  
diameter diameter 8.612 km 1.764 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.045   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

35509 (1998 FK44)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FK44 = 1999 RF136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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