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74515 (1999 FL28)
Classification: Main-belt Asteroid          SPK-ID: 2074515
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 .08037294851039074 4.7683e-08  
a 3.070700064570565 2.057e-08 au
q 2.823898846389981 1.4963e-07 au
i 10.7977307416982 6.307e-06 deg
node 353.3934400633868 1.9632e-05 deg
peri 140.1002564217925 3.9508e-05 deg
M 31.67976048036367 3.2321e-05 deg
tp 2458827.544684986970
(2019-Dec-10.04468499)
0.00017662 TDB
period 1965.416166681066
5.38
1.9749e-05
5.407e-08
d
yr
n .183167313927167 1.8405e-09 deg/d
Q 3.317501282751149 2.2224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      7754 days (21.23 yr)  
   first obs. used      1999-03-19  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55065  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:22  

Additional Information
 Earth MOID = 1.84629 au 
 Jupiter MOID = 1.70488 au 
 T_jup = 3.199 
[ 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 13.8   n/a MPO337819  
diameter diameter 6.934 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74515 (1999 FL28)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20040415/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
1915-May-27 21:41 00:03 Jupiter 1.71639629399319 1.71639574925684 1.71639683872963 3.71649170844113 3.58124738362639 2420645.403332039 3.05861310045963 279.003912207294 24.5835906334243 89.4055689894671 2249609.53046064 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:24 2020-Nov-12 21:43
1974-Aug-17 01:32 00:01 Jupiter 1.71610994965995 1.71610940696128 1.7161104923592 3.69708258767757 3.56107809239463 2442276.563614402 1.23482578519668 193.414635817657 22.0355648334967 86.8318737305829 2417285.92905118 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:24 2020-Nov-12 21:43
2033-Nov-05 20:37 < 00:01 Jupiter 1.71863568640932 1.71863516165591 1.71863621116361 3.68116750405369 3.54475703463557 2463907.358715904 0.628693427725562 192.555392391995 19.6975928704163 86.1803486481643 2432855.34919812 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:24 2020-Nov-12 21:43
2093-Jan-24 18:12 00:02 Jupiter 1.72400060694447 1.72399996595823 1.7240012479311 3.66842701307823 3.53195871548691 2485537.258561933 2.43148439355507 186.721022448377 28.9044871411131 86.4776004117695 2471704.15001227 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:24 2020-Nov-12 21:43
2152-Apr-14 08:26 00:04 Jupiter 1.73241063691827 1.73240958003276 1.73241169380546 3.65884592149428 3.52268353234413 2507165.851396685 4.2969471938983 187.311196119299 45.0458104177457 80.4955466829773 2462744.71672188 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:24 2020-Nov-12 21:43

Alternate Designations
 1999 FL28 = 1999 GX51 = 2001 QO18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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