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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 109 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0296070462720081 3.4797e-08  
a 3.4133187943346 1.6031e-08 au
q 3.312260506849621 1.1588e-07 au
i 6.689400847701726 4.2289e-06 deg
node 242.6418827235285 3.4966e-05 deg
peri 235.4154953456818 8.7e-05 deg
M 79.19033929147626 7.8045e-05 deg
tp 2458493.820412992021
(2019-Jan-10.32041299)		 0.00050033 TDB
period 2303.369993800565
6.31		 1.6227e-05
4.443e-08		 d
yr
n .1562927367157368 1.1011e-09 deg/d
Q 3.514377081819579 1.6506e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3522  
   data-arc span      43929 days (120.27 yr)  
   first obs. used      1900-04-26  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:15:43  

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. 2019-August); 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]
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

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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 1.61068806920494 1.61068763624742 1.61068850216246 2.57859719792182 2.3658848483913 2415797.497115972 2.58038355688675 78.5059253422418 20.7115222855875 88.2457600507678 2408829.61993035 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
1915-Nov-02 19:06 00:02 Jupiter 1.58986130987497 1.58986083751913 1.58986178223063 2.32735389764872 2.08591612862188 2420804.295626425 2.370192625558 104.468746458267 13.6509878723517 -76.948670658107 2298275.16500856 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
1929-Jun-12 03:07 00:02 Jupiter 1.65201906302935 1.65201850934293 1.65201961671663 3.45039704831593 3.29845427985301 2425774.629839893 1.80590276947922 107.852237880873 19.1353170432952 83.6127330065516 3213991.90504852 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
1942-Dec-09 19:50 00:01 Jupiter 1.88892436082144 1.88892379375419 1.88892492788869 3.77550144356653 3.65480240539827 2430703.326104873 1.48709766484972 56.5304007674862 25.63814884957 80.1805133170898 4224363.89985541 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
1983-May-16 03:58 < 00:01 Jupiter 1.79751227621334 1.797511817918 1.79751273450868 3.36077449632472 3.21750937394943 2445470.664940166 0.673107371020845 57.1290029317884 17.4883564253184 82.0512916199995 3230915.61361242 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
1996-Nov-18 00:12 < 00:01 Jupiter 1.63521655327322 1.63521611156562 1.63521699498081 2.65532962613777 2.4525088109333 2450405.508291119 0.447570350101499 71.3555294277172 17.5480228217665 -89.4780090505362 3119097.99669986 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
2010-Aug-02 12:14 < 00:01 Jupiter 1.57875852796953 1.57875805853528 1.57875899740368 2.24316041302462 1.98965954861132 2455411.009867698 0.305608627419798 44.9344827280734 14.0520302940129 -76.3209218469696 2574636.48169348 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
2024-Mar-18 15:44 < 00:01 Jupiter 1.62993762410956 1.62993717638876 1.62993807183035 3.36806355974841 3.21006556623747 2460388.155257014 0.390740042926311 46.0967521847327 18.3024327399829 89.5593272392089 3095887.84789358 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
2037-Sep-17 17:43 < 00:01 Jupiter 1.86878277301651 1.86878228434513 1.8687832616879 3.7228826002102 3.59907743193143 2465319.238192376 0.618984993725679 53.8714334466323 21.2342360741733 84.6222476604788 3902670.0715212 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
2078-Feb-20 03:27 00:01 Jupiter 1.82300998962041 1.82300937137521 1.82301060786623 3.43479840570289 3.29675339651511 2480084.643667906 1.3971723553587 85.6428894243131 18.3463895857019 76.5037111428529 3160370.97113721 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
2091-Aug-24 11:20 00:02 Jupiter 1.64930500554221 1.64930444829016 1.64930556279408 2.70409486981571 2.50699072030314 2485017.972437202 1.85007674207084 70.3290164581668 17.3908562221172 89.9109239950322 1938788.65339082 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
2105-May-05 01:00 00:02 Jupiter 1.58160675597339 1.58160624423494 1.58160726771257 2.20387025813791 1.94575253928826 2490019.541365084 2.38155636422094 104.244185126587 13.5258178439061 -73.6000807531621 2622245.70826749 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
2118-Dec-22 12:17 00:02 Jupiter 1.60090895262725 1.60090837319657 1.60090953206003 3.2658596539595 3.09962292546631 2494999.011595761 2.44282208074037 150.811464605017 18.1691772101356 85.5363891767626 2978167.03952175 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
2132-Jun-27 05:31 00:03 Jupiter 1.84454362855006 1.84454260302333 1.8445446540769 3.65724702286671 3.52945421043831 2499934.729592689 2.67110613605926 68.7506740330999 37.0052660679781 56.0655954304138 3358656.44142482 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
2172-Nov-28 09:31 00:03 Jupiter 1.8501602878716 1.85015929377733 1.85016128197113 3.51442615703037 3.38165204115099 2514698.896440143 3.37510672672524 184.4100051402 18.2874177404605 77.1680325500492 3297317.21156422 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
2186-May-26 21:08 00:04 Jupiter 1.67339889634659 1.67339807117899 1.67339972151429 2.785714751453 2.59766603550599 2519626.380386066 3.98591175435258 89.5046512406099 18.7193175582414 85.897325925375 1445508.30686165 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
2200-Feb-04 06:53 00:05 Jupiter 1.57413084149651 1.5741301765627 1.57413150643525 2.14696641867676 1.87970390503511 2524627.787121437 4.75595751309636 191.676460883722 13.9088996124499 -73.1518631077311 2659234.74202065 T 109 CATAB v2.0f-lin.ifort 2020-Aug-24 22:16:04 2020-Aug-24 22:16
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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