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420 Bertholda (A896 RC)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000420
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 110 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02960704630694269 3.4757e-08  
a 3.41331879437758 1.6019e-08 au
q 3.312260506772085 1.1571e-07 au
i 6.689400960499268 4.2274e-06 deg
node 242.6418846439799 3.4918e-05 deg
peri 235.4154932634464 8.6969e-05 deg
M 79.19033946329785 7.8038e-05 deg
tp 2458493.820411883094
(2019-Jan-10.32041188)		 0.00050029 TDB
period 2303.369993844071
6.31		 1.6214e-05
4.439e-08		 d
yr
n .1562927367127847 1.1002e-09 deg/d
Q 3.514377081983074 1.6493e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3548  
   data-arc span      43954 days (120.34 yr)  
   first obs. used      1900-04-26  
   last obs. used      2020-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:29:46  

Additional Information
 Earth MOID = 2.33479 au 
 Jupiter MOID = 1.5862 au 
 T_jup = 3.133 
[ 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 8.4   n/a MPO384747  
diameter diameter 138.699 km 3.446 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.04 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Zappala, V.; Di Martino, M.; Cellino, A.; Farinella, P.; et al. (1989) Icarus 82, 354-368.]
[Lagerkvist, C.-I.; Erikson, A.; Lahulla, F.; Di Martino, M.; et al. (2001) Icarus 149, 190-197.]
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.044   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.691   0.018 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=4.23, mean=5.51, max.=6.93) deg.
U-B UB 0.229   0.038 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=4.23, mean=5.51, max.=6.93) deg.
Tholen spectral type spec_T P   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

420 Bertholda (A896 RC)          Discovered 1896-Sep-07 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1902-Feb-16 23:56 00:03 Jupiter 1.61068806831631 1.61068763589889 1.61068850073383 2.57859725261288 2.36588490787691 2415797.497111484 2.57901377290242 78.4605302335051 20.7013405020273 88.2630599878124 2413564.31047716 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
1915-Nov-02 19:06 00:02 Jupiter 1.58986131452846 1.58986084248088 1.58986178657586 2.32735385772435 2.08591608482398 2420804.295619539 2.36880682393998 104.409077663218 13.6329404368288 -76.9544647781649 2298758.68559872 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
1929-Jun-12 03:07 00:02 Jupiter 1.65201906497922 1.65201851159929 1.65201961835989 3.45039708253552 3.29845431583238 2425774.629846381 1.80481591781478 107.773034622721 19.1296043434486 83.6146579738627 3215672.93416328 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
1942-Dec-09 19:50 00:01 Jupiter 1.88892436024205 1.88892379406052 1.88892492642359 3.77550147159098 3.65480243431058 2430703.326101938 1.48626771722686 56.5258520535063 25.5937778623232 80.1783629258956 4230578.25522783 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
1983-May-16 03:58 < 00:01 Jupiter 1.79751227650409 1.79751181826443 1.79751273474374 3.36077451487711 3.21750939335159 2445470.664939264 0.672978687021702 57.100562758065 17.484615057788 82.0437497549317 3231646.28420531 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
1996-Nov-18 00:12 < 00:01 Jupiter 1.63521655226199 1.63521611081689 1.63521699370709 2.65532969600028 2.45250888644278 2450405.508282181 0.447535888239932 71.3183410847681 17.5304883512976 -89.4568021238689 3122555.97402849 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
2010-Aug-02 12:14 < 00:01 Jupiter 1.57875853265997 1.57875806357446 1.57875900174539 2.24316037603918 1.98965950771471 2455411.009859398 0.305577694928739 44.9144201518132 14.0326978323323 -76.3519695670756 2575957.39503035 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
2024-Mar-18 15:44 < 00:01 Jupiter 1.62993762602153 1.62993717833585 1.62993807370712 3.3680635661635 3.21006557315821 2460388.155255713 0.390532323999759 46.0481053928332 18.3014591071627 89.5467708195369 3097321.74852308 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
2037-Sep-17 17:43 < 00:01 Jupiter 1.86878277202031 1.86878228343105 1.86878326060958 3.72288262663269 3.59907745919571 2465319.238199028 0.618550681123143 53.8647255117653 21.2283437703872 84.6123654855999 3905606.50366046 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
2078-Feb-20 03:27 00:01 Jupiter 1.82300998918639 1.82300937111435 1.82301060725904 3.43479841001461 3.29675340097382 2480084.643674513 1.39591640162693 85.5638339618667 18.3402881457977 76.4950950227417 3160431.05222558 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
2091-Aug-24 11:20 00:02 Jupiter 1.64930500385473 1.64930444662714 1.64930556108212 2.70409497111848 2.50699082936092 2485017.972423298 1.8486054397494 70.3025309806857 17.3748792830065 89.9258761138618 1939268.53494376 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
2105-May-05 01:00 00:02 Jupiter 1.58160676021472 1.581606248727 1.58160727170316 2.20387022576762 1.94575250336192 2490019.541358705 2.37993027576915 104.172197392646 13.5090433217669 -73.6070627022836 2625168.14745409 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
2118-Dec-22 12:17 00:02 Jupiter 1.60090895558309 1.60090837634815 1.60090953482012 3.26585965115423 3.09962292282575 2494999.011594509 2.44123695285759 150.712023410882 18.1657289473576 85.5351755516966 2979547.10518028 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
2132-Jun-27 05:31 00:03 Jupiter 1.84454362926248 1.84454260388998 1.84454465463519 3.65724705159876 3.52945424026093 2499934.729592544 2.66935382727554 68.7263715094273 37.001080819578 56.0616550707362 3359848.43491785 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
2172-Nov-28 09:31 00:03 Jupiter 1.85016028630997 1.85015929279361 1.85016127983149 3.51442616854217 3.38165205300052 2514698.896444547 3.37258927024366 184.266200697762 18.2818276356071 77.1665273911297 3297339.39823203 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
2186-May-26 21:08 00:04 Jupiter 1.67339889388663 1.6733980687878 1.67339971898555 2.78571474460722 2.59766602787819 2519626.380396850 3.98305659252785 89.4717301017837 18.7111252372426 85.9001230107624 1446137.23808257 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
2200-Feb-04 06:53 00:05 Jupiter 1.57413084531026 1.57413018051049 1.57413151011496 2.14696639075194 1.8797038738334 2524627.787116494 4.75278694494999 191.543359540556 13.8910605127326 -73.1555826361637 2662604.67074705 T 110 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:56 2020-Nov-13 04:29
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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