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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04403143092451165 4.4403e-08  
a 3.151592948183253 2.7874e-08 au
q 3.012823800983144 1.5006e-07 au
i 10.57696185508665 6.012e-06 deg
node 357.2313420605079 2.5289e-05 deg
peri 120.0866656802343 7.9176e-05 deg
M 337.7318223366236 7.3459e-05 deg
tp 2459126.908356183390
(2020-Oct-04.40835618)
0.0004172 TDB
period 2043.589238146956
5.60
2.7112e-05
7.423e-08
d
yr
n .1761606458284314 2.3371e-09 deg/d
Q 3.290362095383361 2.9102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      7605 days (20.82 yr)  
   first obs. used      1999-03-10  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 11:50:02  

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 1.85850259533632 1.85850154721411 1.85850364345884 4.13045020740455 4.01859530180769 2434021.873455035 2.61618738881424 112.249367659874 46.4385016940031 77.5959549439114 2582691.57735294 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 11:50:20 2020-Jan-29 11:50
1962-Aug-17 04:33 00:02 Jupiter 1.80491401514427 1.80491338415103 1.80491464613752 4.0557300023918 3.93832096686314 2437893.689696991 2.12304282882188 110.417295241631 29.7873992809922 89.4508149691368 2619509.83159864 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 11:50:20 2020-Jan-29 11:50
2047-Jun-30 17:56 00:01 Jupiter 1.96115111201006 1.96115044923278 1.96115177478741 3.96628985130769 3.85585967162984 2468892.247416987 1.30712936515639 58.7054959052657 26.3943869670166 -71.6057631718956 2756889.79307427 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 11:50:20 2020-Jan-29 11:50
2058-Jan-26 01:05 00:02 Jupiter 1.78956269641859 1.78956211881013 1.78956327402706 4.14044659760252 4.02450902486062 2472754.544854617 1.66248735003858 145.222301577749 26.0021252100421 88.5364699895702 2570844.06916824 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 11:50:20 2020-Jan-29 11:50
2068-Aug-31 12:22 00:02 Jupiter 1.90509796592336 1.90509707353707 1.90509885831029 3.83480504890559 3.71705703586861 2476625.015468171 2.17176238833333 92.2269839089525 29.6603734106831 66.6965958888739 2880107.2466301 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 11:50:20 2020-Jan-29 11:50
2153-Jul-09 11:22 00:06 Jupiter 1.83333278932424 1.83333133843244 1.83333424022647 4.05711767810342 3.94159599871556 2507616.973745010 5.52935067943701 273.781366973164 38.2518470726924 76.5091970031241 2502658.87829993 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 11:50:20 2020-Jan-29 11:50
2164-Feb-13 10:00 00:06 Jupiter 1.82191381401796 1.82191243150546 1.82191519653067 4.04994420642921 3.93347579711141 2511487.916761495 5.86048048204858 101.595660130577 68.2306830666068 73.7089652354613 2754268.05281916 T 21 CATAB v2.0f-lin.ifort 2020-Jan-29 11:50:20 2020-Jan-29 11:50

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