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39919 (1998 FP51)
Classification: Main-belt Asteroid          SPK-ID: 2039919
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668501164379623 3.0784e-08  
a 2.372696578320442 8.3803e-09 au
q 1.976811877955721 7.4574e-08 au
i 3.352777805014913 3.4134e-06 deg
node 55.050985362292 6.3562e-05 deg
peri 242.7728051336009 6.4436e-05 deg
M 287.6711742276351 1.1166e-05 deg
tp 2459268.707332372354
(2021-Feb-23.20733237)
4.1748e-05 TDB
period 1334.939958211497
3.65
7.0725e-06
1.936e-08
d
yr
n .2696750500167174 1.4287e-09 deg/d
Q 2.768581278685162 9.7785e-09 au
  Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      10613 days (29.06 yr)  
   first obs. used      1991-05-09  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54436  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:04:15  

Additional Information
 Earth MOID = .963758 au 
 Jupiter MOID = 2.43397 au 
 T_jup = 3.522 
[ 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 15.8   n/a MPO365721  
diameter diameter 4.082 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39919 (1998 FP51)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FP51 = 1999 TO228 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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