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74548 (1999 JM64)
Classification: Main-belt Asteroid          SPK-ID: 2074548
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3288775223124545 5.2371e-08  
a 3.127130294306857 2.2174e-08 au
q 2.098687431167001 1.725e-07 au
i 21.10570268237174 6.4509e-06 deg
node 239.199894322294 1.3088e-05 deg
peri 259.4953542227997 1.7212e-05 deg
M 354.9679027596565 9.0053e-06 deg
tp 2459028.733447788182
(2020-Jun-28.23344779)		 5.0629e-05 TDB
period 2019.841970114961
5.53		 2.1484e-05
5.882e-08		 d
yr
n .1782317653194969 1.8957e-09 deg/d
Q 4.155573157446713 2.9467e-08 au
   Orbit Determination Parameters
   # obs. used (total)      876  
   data-arc span      8193 days (22.43 yr)  
   first obs. used      1997-11-07  
   last obs. used      2020-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48705  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:14  

Additional Information
 Earth MOID = 1.22494 au 
 Jupiter MOID = 1.7881 au 
 T_jup = 3.030 
[ 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 13.83   n/a E2021B10  
diameter diameter 9.538 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74548 (1999 JM64)          Discovered 1999-May-10 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
1961-Jul-13 17:02 00:02 Jupiter 1.88970656443249 1.88970491178991 1.88970821707785 5.45294065750376 5.37011196440103 2437494.209384996 1.51315988354952 182.117684434501 55.2717875789491 -70.6732453654204 1500258.21583202 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:17 2020-Nov-12 21:43
1963-Apr-15 16:06 00:02 Jupiter 1.91702408981289 1.91702292103668 1.91702525859008 4.76086406767029 4.66713422563681 2438135.171124336 2.20738557529876 285.277957627182 52.5578285311518 -85.5491349955733 1097172.44849862 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:17 2020-Nov-12 21:43
1972-Mar-29 04:09 00:01 Jupiter 1.88738886087408 1.88738775764167 1.88738996411077 5.6635056685154 5.5837027415469 2441405.672760586 1.13452630414635 199.882154413568 34.4100727320926 78.0583134968622 2176060.76738246 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:17 2020-Nov-12 21:43
2046-Oct-21 19:21 < 00:01 Jupiter 1.87299316876629 1.87299222788235 1.87299410965087 5.65714102927145 5.57662854153979 2468640.306249799 0.952790340196719 205.73568626861 42.6938422108991 86.4830632061294 1740532.42865662 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:17 2020-Nov-12 21:43
2055-Sep-04 04:16 00:01 Jupiter 1.81256104267792 1.81256006321897 1.81256202213926 5.33231756601496 5.24394856637152 2471879.677973631 1.36597595272898 213.762401785346 39.6141335299931 83.4110743062878 1837427.47590552 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:17 2020-Nov-12 21:43
2130-Apr-08 04:41 00:03 Jupiter 1.92560657391408 1.925604486271 1.92560866163783 6.31814676121089 6.24813830785655 2499123.695103851 3.29993074817198 680.565819299789 36.8765845098137 82.0931644896715 2174428.89823522 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:17 2020-Nov-12 21:43
2139-Feb-13 11:42 00:04 Jupiter 1.83519515670219 1.83519379873426 1.83519651469172 5.0445096653859 4.95217029527394 2502356.987455115 3.80361716918866 477.984452411509 47.1934940727938 -84.281860631391 1436675.46611354 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:17 2020-Nov-12 21:43
2140-Oct-12 02:15 00:06 Jupiter 1.9475508922245 1.94754809509225 1.94755368940148 4.50534926588661 4.40775889721946 2502963.593784072 5.78222158364265 559.183350894895 64.4504389054785 -75.1467357010927 821324.116593905 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 21:43:17 2020-Nov-12 21:43

Alternate Designations
 1999 JM64 = 2001 QO174 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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