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JPL Small-Body Database Browser
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59409 (1999 FX42)
Classification: Main-belt Asteroid          SPK-ID: 2059409
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1202301749820138 3.0505e-08  
a 2.381620833276736 1.1846e-08 au
q 2.095278143751065 7.3066e-08 au
i 2.128188355919651 3.889e-06 deg
node 146.9761848694156 0.00013918 deg
peri 338.10954485778 0.00014228 deg
M 312.157179928285 3.2918e-05 deg
tp 2459178.911000260842
(2020-Nov-25.41100026)
0.00012357 TDB
period 1342.478557861502
3.68
1.0016e-05
2.742e-08
d
yr
n .2681607075895955 2.0008e-09 deg/d
Q 2.667963522802407 1.3271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      10075 days (27.58 yr)  
   first obs. used      1992-04-25  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:47:23  

Additional Information
 Earth MOID = 1.11084 au 
 Jupiter MOID = 2.38077 au 
 T_jup = 3.527 
[ 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 16.2   n/a MPO452975  
diameter diameter 3.945 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59409 (1999 FX42)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1935-Mar-13 00:21 00:07 Psych 0.0410952740165441 0.0410879532980435 0.0411025948406065 2.26630737453644 2.26630724462647 2427874.514261415 7.04232457441941 379.175407380202 46.0949008024561 -16.2176268789538 40257.0760525601 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 12:47:32 2020-Feb-23 12:47
2118-Mar-17 03:56 < 00:01 Eunom 0.0480569805335195 0.0480526412539513 0.0480613231823903 5.76140446813064 5.76140441743051 2494718.664027899 0.862629457808 689.074588869266 53.1275643706759 72.2274070533104 128835.052192833 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 12:47:32 2020-Feb-23 12:47
2129-Dec-12 18:26 00:20 Psych 0.015730679682431 0.0157295092483425 0.0157318506080871 1.98572985205602 1.98572946472208 2499007.268036916 20.0139741637736 269.857909704155 49.5314171066803 83.4122570437519 47034.8958416949 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 12:47:32 2020-Feb-23 12:47

Alternate Designations
 1999 FX42 = 2001 US107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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