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JPL Small-Body Database Browser
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74508 (1999 FQ2)
Classification: Main-belt Asteroid          SPK-ID: 2074508
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04403142957467211 4.4083e-08  
a 3.151592947201486 2.7632e-08 au
q 3.01282380429875 1.4947e-07 au
i 10.57696195544803 5.8366e-06 deg
node 357.2313420241269 2.5277e-05 deg
peri 120.0866634414871 7.8662e-05 deg
M 337.7318248281943 7.2802e-05 deg
tp 2459126.908341980581
(2020-Oct-04.40834198)
0.00041344 TDB
period 2043.589237192044
5.60
2.6876e-05
7.358e-08
d
yr
n .1761606459107464 2.3168e-09 deg/d
Q 3.290362090104221 2.8849e-08 au
  Orbit Determination Parameters
   # obs. used (total)      599  
   data-arc span      7626 days (20.88 yr)  
   first obs. used      1999-03-10  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57649  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:17:29  

Additional Information
 Earth MOID = 2.04397 au 
 Jupiter MOID = 1.73984 au 
 T_jup = 3.180 
[ 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 14.8   n/a MPO453158  
diameter diameter 4.415 km 1.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74508 (1999 FQ2)          Discovered 1999-Mar-16 by Spacewatch at Kitt Peak
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
1952-Jan-10 08:58 00:03 Jupiter 1.85850261091127 1.85850157845231 1.85850364337055 4.13045024239096 4.01859533871836 2434021.873475293 2.59088211656735 111.977798691605 45.8840321331893 77.8974869299837 2630742.7635997 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 17:17:31 2020-Feb-23 17:17
1962-Aug-17 04:33 00:02 Jupiter 1.80491401874971 1.80491338914481 1.80491464835461 4.05573007337707 3.93832104020265 2437893.689719374 2.10224838901969 109.728516955179 29.7490220378221 89.5377583635415 2678260.45016523 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 17:17:31 2020-Feb-23 17:17
2047-Jun-30 17:56 00:01 Jupiter 1.96115111064416 1.96115045062017 1.96115177066826 3.96628988806871 3.85585970936567 2468892.247406044 1.28865218203534 58.4435768547654 26.2864794713501 -71.588480096146 2788077.7037358 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 17:17:31 2020-Feb-23 17:17
2058-Jan-26 01:05 00:02 Jupiter 1.78956270273934 1.78956213022241 1.78956327525638 4.14044664133952 4.02450907027298 2472754.544831970 1.64175928824331 143.714566907374 25.7090125890316 88.3817031386185 2618172.74751843 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 17:17:31 2020-Feb-23 17:17
2068-Aug-31 12:22 00:02 Jupiter 1.90509798308295 1.9050971115662 1.90509885460034 3.83480510734277 3.71705709723433 2476625.015460768 2.14630716006771 91.6016277136724 29.1319841076623 67.1405406907937 2945964.68141585 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 17:17:31 2020-Feb-23 17:17
2153-Jul-09 11:22 00:05 Jupiter 1.83333277907455 1.83333133409851 1.83333422406071 4.05711774147056 3.94159606328457 2507616.973701045 5.46585966281542 270.416670554317 38.1420440932536 76.416493271597 2546539.4739902 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 17:17:31 2020-Feb-23 17:17
2164-Feb-13 10:00 00:06 Jupiter 1.821913837036 1.82191248263391 1.82191519143819 4.04994422947694 3.93347582233481 2511487.916716607 5.79437026522682 100.659543199184 67.0521712804274 74.2926901099003 2815596.98074677 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 17:17:31 2020-Feb-23 17:17

Alternate Designations
 1999 FQ2 = 2002 VD101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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