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120489 (1993 FL19)
Classification: Main-belt Asteroid          SPK-ID: 2120489
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 .1358809457524977 4.4748e-08  
a 2.626772542226787 1.5149e-08 au
q 2.269844204912319 1.1543e-07 au
i 11.07118667513126 4.5506e-06 deg
node 161.617040018755 2.5584e-05 deg
peri 109.7412920000098 3.0882e-05 deg
M 70.53529910242817 1.6585e-05 deg
tp 2458695.825476695244
(2019-Jul-31.32547670)
7.1675e-05 TDB
period 1555.006213703523
4.26
1.3452e-05
3.683e-08
d
yr
n .2315103289154043 2.0028e-09 deg/d
Q 2.983700879541256 1.7208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      10984 days (30.07 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56791  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:51  

Additional Information
 Earth MOID = 1.28231 au 
 Jupiter MOID = 2.21203 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457565.5 (2016-Jun-26.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355048933422722 4.4653e-08  
q 2.271757667024967 1.152e-07 au
tp 2457141.963525012376
(2015-Apr-29.46352501)
7.4009e-05 TDB
node 161.675800464416 2.5585e-05 deg
peri 110.1418119221692 3.094e-05 deg
i 11.06937241156552 4.55e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      10984 days (30.07 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56791  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:51  

Additional Information
 Jupiter MOID = 2.21203 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.993864903281625E-15 -5.111896867435142E-15 -4.71128941817238E-13 -8.744241452429621E-15 -7.003325749010134E-14 -5.957093091062003E-15
q -5.111896867435142E-15 1.327053347696201E-14 1.015710763627081E-12 2.553298438459072E-14 1.382518601280858E-13 1.610968698472141E-14
tp -4.71128941817238E-13 1.015710763627081E-12 5.477316923805129E-9 4.647849338271295E-12 1.313776209992929E-9 3.214194908982439E-12
node -8.744241452429621E-15 2.553298438459072E-14 4.647849338271295E-12 6.54613909860729E-10 -6.40851419438665E-10 3.424440370854928E-13
peri -7.003325749010134E-14 1.382518601280858E-13 1.313776209992929E-9 -6.40851419438665E-10 9.572631559965863E-10 3.530786761118798E-13
i -5.957093091062003E-15 1.610968698472141E-14 3.214194908982439E-12 3.424440370854928E-13 3.530786761118798E-13 2.070234571318074E-11

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 MPO296896  
diameter diameter 4.202 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120489 (1993 FL19)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1993 FL19 = 1994 PA18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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