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JPL Small-Body Database Browser
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59400 (1999 FH31)
Classification: Main-belt Asteroid          SPK-ID: 2059400
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2390088300368059 4.3625e-08  
a 2.462165327036943 9.5158e-09 au
q 1.873686072864654 1.0873e-07 au
i 6.993770261365124 4.4183e-06 deg
node 80.48460126451315 3.6794e-05 deg
peri 241.2475604246866 3.836e-05 deg
M 327.57198151178 8.4586e-06 deg
tp 2458727.613639856990
(2019-Sep-01.11363986)
3.2908e-05 TDB
period 1411.15345561863
3.86
8.1807e-06
2.24e-08
d
yr
n .2551104549024266 1.4789e-09 deg/d
Q 3.050644581209232 1.179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1244  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      1999-03-19  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52729  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:09:59  

Additional Information
 Earth MOID = .872055 au 
 Jupiter MOID = 2.29582 au 
 T_jup = 3.439 
[ 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 14.5   n/a MPO502545  
diameter diameter 6.333 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59400 (1999 FH31)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 FH31 = 2000 SD217 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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