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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358809485580785 4.2963e-08  
a 2.626772541726127 1.4949e-08 au
q 2.269844197110066 1.1e-07 au
i 11.07118617431111 4.3957e-06 deg
node 161.6170424046494 2.495e-05 deg
peri 109.7412903695343 3.0037e-05 deg
M 70.53529872080885 1.6405e-05 deg
tp 2458695.825478430740
(2019-Jul-31.32547843)		 7.0831e-05 TDB
period 1555.006213258948
4.26		 1.3275e-05
3.634e-08		 d
yr
n .2315103289815928 1.9763e-09 deg/d
Q 2.983700886342187 1.6981e-08 au
   Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      11004 days (30.13 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:40:09  

Additional Information
 Earth MOID = 1.28231 au 
 Jupiter MOID = 2.21203 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457660.5 (2016-Sep-29.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355636092433361 4.2851e-08  
q 2.271503535674175 1.0971e-07 au
tp 2457141.962796434585
(2015-Apr-29.46279643)		 7.2816e-05 TDB
node 161.6749067116399 2.4953e-05 deg
peri 110.1305998738603 3.0099e-05 deg
i 11.06925358416592 4.3953e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      11004 days (30.13 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:40:09  

Additional Information
 Jupiter MOID = 2.21203 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.836195824732507E-15 -4.670701853654654E-15 -6.326662910141517E-13 -1.114989909205183E-14 -1.178889394645173E-13 -4.710296087329779E-15
q -4.670701853654654E-15 1.203588126033533E-14 1.467618755612602E-12 3.126581250015004E-14 2.730697261277994E-13 1.281923369424852E-14
tp -6.326662910141517E-13 1.467618755612602E-12 5.302106901782737E-9 1.295016036079166E-11 1.251899506913074E-9 2.250364480730711E-12
node -1.114989909205183E-14 3.126581250015004E-14 1.295016036079166E-11 6.226343629372286E-10 -6.074359879041291E-10 6.989343458128469E-12
peri -1.178889394645173E-13 2.730697261277994E-13 1.251899506913074E-9 -6.074359879041291E-10 9.059475620171775E-10 -6.355910432409653E-12
i -4.710296087329779E-15 1.281923369424852E-14 2.250364480730711E-12 6.989343458128469E-12 -6.355910432409653E-12 1.931851502988517E-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

[ 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
2097-Jan-02 15:26 00:02 Amphi 0.0276075501682494 0.027584144168344 0.027630957949618 6.87807506151662 6.87807503124203 2486976.143323070 2.17465460614538 1218.34756926479 44.5505841814211 16.7027433839132 26833.9482136738 T 19 CATAB v2.0f-lin.ifort 2020-Dec-18 04:40:11 2020-Dec-18 04:40

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