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17745 (1998 BG34)
Classification: Main-belt Asteroid          SPK-ID: 2017745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817146088524654 3.7555e-08  
a 3.13394020424703 1.9794e-08 au
q 2.564457485865266 1.2616e-07 au
i 1.092934631592694 4.2994e-06 deg
node 62.14959502524092 0.00025499 deg
peri 237.4604776380677 0.00025536 deg
M 295.1680413876941 1.5343e-05 deg
tp 2459761.439713673633
(2022-Jun-30.93971367)
8.7176e-05 TDB
period 2026.443435222252
5.55
1.9199e-05
5.256e-08
d
yr
n .1776511467049741 1.6831e-09 deg/d
Q 3.703422922628795 2.3391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      18312 days (50.14 yr)  
   first obs. used      1971-03-25  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:54:24  

Additional Information
 Earth MOID = 1.54855 au 
 Jupiter MOID = 1.52455 au 
 T_jup = 3.186 
[ 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 14.92   n/a E2021B10  
diameter diameter 4.202 km 0.735 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.37 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.100   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17745 (1998 BG34)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20001013/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
1920-Jun-11 16:38 00:03 Jupiter 1.80527443669964 1.80527272479386 1.80527614860244 1.84956388146215 1.57559516628339 2422487.193381985 2.80361946701638 91.468520738321 35.2761556079671 76.6728248861777 880058.799639418 T 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54
1930-Sep-01 10:45 00:02 Jupiter 1.48940108334914 1.48940076860983 1.48940139808847 1.04740485610658 n/a 2426220.947741487 2.43678799109873 52.1219726867373 15.4899335842578 87.0889510917328 14362710.2058711 F 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54
1940-Nov-07 20:09 00:02 Jupiter 1.78676172667799 1.78676043746681 1.78676301588967 2.57842141888689 2.38749825766481 2429941.339298929 2.12343387004341 100.771769690051 9.46001077771847 -80.3035618152639 1895165.51931082 T 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54
2003-Jun-07 03:01 < 00:01 Jupiter 1.76432338528991 1.76432281435184 1.76432395622747 1.70131090336908 1.39078820435917 2452797.625470215 0.47430214892385 81.479003507136 43.2606331923479 -79.5286999239447 1916511.1456028 T 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54
2013-Aug-28 21:56 < 00:01 Jupiter 1.50287827681911 1.50287794338403 1.50287861029297 1.09897326862568 0.283798919783402 2456533.414015142 0.251510062885617 6209.6747797833 613.327508613192 -9.95134746850601 3626327.62524682 T 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54
2023-Nov-05 08:25 < 00:01 Jupiter 1.83427324999798 1.8342726494585 1.83427385053735 2.81750415835919 2.64854273377185 2460253.850944713 0.418266691509453 42.1198933766654 13.8972974216145 -77.477259895045 2325572.42101978 T 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54
2086-Jun-03 18:41 00:02 Jupiter 1.72805992940564 1.72805872440852 1.72806113439963 1.57620558139259 1.22642076992199 2483110.278464281 2.02243189013493 144.280082299993 91.0449163387425 -15.3848934158565 909736.197899193 T 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54
2096-Aug-25 21:29 00:02 Jupiter 1.51906436308341 1.51906396347661 1.51906476270178 1.16076470274421 0.48185572040748 2486846.395358471 2.39393795342703 1544.09596851704 319.693826461776 -16.5317008924904 2535120.81867858 T 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54
2106-Nov-02 14:56 00:03 Jupiter 1.88202132201543 1.88201966689248 1.88202297713999 3.06789966616357 2.91751407314856 2490566.122023386 2.72979514527234 131.072327316331 17.6390147998163 -68.2888686704021 2064244.70163308 T 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54
2169-May-30 17:37 00:04 Jupiter 1.68760273733107 1.68760048169567 1.68760499295351 1.44700157076321 1.04402879647677 2513421.234157925 4.4160967611202 440.083176542412 118.232815569017 -12.2178906502184 584486.172828751 T 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54
2179-Aug-23 12:32 00:05 Jupiter 1.53578197110297 1.53578105669569 1.53578288552763 1.22997715364091 0.640151021471184 2517158.022298212 4.82631011495656 1551.64106480119 191.20465547442 -18.2360271534163 1783674.52228886 T 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54
2189-Nov-02 07:03 00:05 Jupiter 1.91781028703337 1.91780737462107 1.91781319945199 3.28096373384561 3.14346950030537 2520881.793611755 5.07100967034875 236.888164152279 19.5865734931206 -65.8121797887335 2079064.07513535 T 26 CATAB v2.0g-lin.ifort 2021-Jul-08 17:54:28 2021-Jul-08 17:54

Alternate Designations
 1998 BG34 = 1993 FP59 = 1994 NK10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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