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52660 (1998 BJ8)
Classification: Main-belt Asteroid          SPK-ID: 2052660
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691255207545595 4.3193e-08  
a 2.984573007003661 1.5884e-08 au
q 2.479805542964166 1.295e-07 au
i 9.387910039807455 4.9789e-06 deg
node 128.9200982371408 3.345e-05 deg
peri 332.2362553393663 3.8136e-05 deg
M 154.5289385096783 1.6951e-05 deg
tp 2458192.094875776145
(2018-Mar-14.59487578)
8.6969e-05 TDB
period 1883.309673432855
5.16
1.5034e-05
4.116e-08
d
yr
n .191152843888812 1.526e-09 deg/d
Q 3.489340471043157 1.857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      10517 days (28.79 yr)  
   first obs. used      1991-09-11  
   last obs. used      2020-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:16:45  

Additional Information
 Earth MOID = 1.50096 au 
 Jupiter MOID = 1.67199 au 
 T_jup = 3.216 
[ 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 14.4   n/a MPO474411  
diameter diameter 7.703 km 0.309 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52660 (1998 BJ8)          Discovered 1998-Jan-25 by Kobayashi, T. at Oizumi
Reference: 20030216/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
1903-Feb-21 02:53 00:03 Jupiter 1.7782893693458 1.77828800200388 1.77829073669834 2.87184779483399 2.70090421227632 2416166.620193120 2.83054410883832 248.107648441311 16.4659860827276 77.9627112038734 2161213.05473423 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:48 2020-Nov-12 23:16
1948-Jun-17 19:33 00:02 Jupiter 1.88716634837688 1.88716526174695 1.88716743500756 2.19702717682638 1.98223672516978 2432720.314467954 1.81073114063345 140.467063546868 42.1708464938529 74.9959056002396 1951107.41979302 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:48 2020-Nov-12 23:16
1984-Dec-31 16:11 < 00:01 Jupiter 1.69715359172472 1.69715316736069 1.69715401608866 2.41343489814333 2.19692959358084 2446066.174320725 0.802367953078954 105.816617011974 26.7375496788953 87.1615384903353 2093142.76520149 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:48 2020-Nov-12 23:16
2021-Jul-01 14:46 < 00:01 Jupiter 1.71162573696264 1.71162521581455 1.71162625811111 2.68596367011382 2.49492929482906 2459397.115403861 0.380490616696963 77.0303597037362 15.3476766171295 76.4012850304353 2120635.89185369 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:48 2020-Nov-12 23:16
2058-Jan-15 07:58 00:01 Jupiter 1.93722041183049 1.93721948730045 1.9372213363613 3.20089025612735 3.06124589335223 2472743.831853032 1.20494977985899 91.8341286108864 18.9860573336346 69.0144246121247 2147422.63916087 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:48 2020-Nov-12 23:16
2066-Oct-22 09:49 00:01 Jupiter 1.98515136196078 1.98515024298623 1.98515248093658 2.35429999035926 2.16549539964534 2475945.908960668 1.45426866058791 149.350251749525 32.1111636586859 78.0982825545647 1913243.09145663 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:48 2020-Nov-12 23:16
2103-May-15 18:16 00:02 Jupiter 1.73490087371822 1.73489990946007 1.73490183797746 2.38161875265869 2.16694653008836 2489299.260868263 2.23946008918664 135.018767880814 48.9751861546145 -78.1422268502397 2184814.5712725 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:48 2020-Nov-12 23:16
2139-Nov-13 17:46 00:03 Jupiter 1.6691812749493 1.6691807093304 1.66918184057863 2.57102732909854 2.36543563581868 2502630.240388135 3.09865827154335 302.103238943773 20.8133195754034 87.4226112951743 2054838.11478045 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:48 2020-Nov-12 23:16
2176-May-24 22:39 00:04 Jupiter 1.84308601873237 1.84308379734328 1.84308824013843 2.8765688529582 2.71210495315754 2515972.443594090 4.30185551785907 316.558369473495 16.8213739395805 73.785970399863 2065134.30617203 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 23:16:48 2020-Nov-12 23:16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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