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39903 (1998 FL30)
Classification: Main-belt Asteroid          SPK-ID: 2039903
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 .1418663024556883 3.0551e-08  
a 2.41204217383219 8.9957e-09 au
q 2.069854669263437 7.4552e-08 au
i 2.220135458267892 4.1765e-06 deg
node 216.8081440754511 9.1511e-05 deg
peri 36.41074042796237 9.2915e-05 deg
M 269.3215895129313 1.6897e-05 deg
tp 2459345.149117181999
(2021-May-10.64911718)
6.4824e-05 TDB
period 1368.282499870388
3.75
7.6545e-06
2.096e-08
d
yr
n .2631035623375301 1.4719e-09 deg/d
Q 2.754229678400944 1.0272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1466  
   data-arc span      9541 days (26.12 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:47:14  

Additional Information
 Earth MOID = 1.05586 au 
 Jupiter MOID = 2.28145 au 
 T_jup = 3.504 
[ 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 14.9   n/a MPO459140  
diameter diameter 6.158 km 0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39903 (1998 FL30)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FL30 = 1999 RP17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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