Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
874 Rotraut (A917 KK)
Classification: Main-belt Asteroid          SPK-ID: 2000874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08021093773732796 3.3325e-08  
a 3.151920143669042 1.4324e-08 au
q 2.899101673272175 1.021e-07 au
i 11.14077572107217 3.5731e-06 deg
node 190.634769462737 1.8799e-05 deg
peri 9.669166338551227 3.0058e-05 deg
M 101.0888000471169 2.2771e-05 deg
tp 2458026.566234034149
(2017-Sep-30.06623403)
0.0001294 TDB
period 2043.907491743929
5.60
1.3933e-05
3.815e-08
d
yr
n .1761332161333956 1.2007e-09 deg/d
Q 3.40473861406591 1.5473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2667  
   data-arc span      37343 days (102.24 yr)  
   first obs. used      1917-05-25  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45802  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:13:01  

Additional Information
 Earth MOID = 1.89802 au 
 Jupiter MOID = 1.55217 au 
 T_jup = 3.173 
[ 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 10.1   n/a MPO439070  
diameter diameter 58.287 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.297 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Ditteon, R.; Adam, A.; Doyel, M.; Gibson, J.; et al. (2018) Minor Planet Bull. 45, 13-16.]
[Polakis, T. (2018) Minor Planet Bull. 45, 347-352.]
geometric albedo albedo 0.054   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

874 Rotraut (A917 KK)          Discovered 1917-May-25 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
1964-Nov-10 01:28 00:01 Jupiter 1.75679700951532 1.75679622988163 1.75679778914961 3.43412832861027 3.29073805028097 2438709.561270858 1.15963149733821 78.0995758974104 24.2191414381083 66.4659629549646 4048209.42853211 T 42 CATAB v2.0f-lin.ifort 2019-Sep-23 19:13:14 2019-Sep-23 19:13
1975-Jun-30 18:24 < 00:01 Jupiter 1.6001719233306 1.60017162465342 1.60017222200787 3.52015680732735 3.3664283089209 2442594.266558100 0.836552361139452 90.5874166961501 13.3812707408449 88.704950895258 3903538.39345507 T 42 CATAB v2.0f-lin.ifort 2019-Sep-23 19:13:14 2019-Sep-23 19:13
1986-Feb-01 20:55 < 00:01 Jupiter 1.87549323630899 1.87549279089946 1.87549368171873 3.26393072676539 3.12249751237267 2446463.371303387 0.651445785736958 50.3415979122256 17.5453387877778 -73.4795751863902 4125718.15982983 T 42 CATAB v2.0f-lin.ifort 2019-Sep-23 19:13:14 2019-Sep-23 19:13
2071-May-07 16:58 00:01 Jupiter 1.67860290856299 1.6786023514678 1.67860346565962 3.41642376326246 3.26538695104254 2477604.206986528 1.29382870377232 108.655953538278 18.1778623356651 77.9077342383745 3697163.28425516 T 42 CATAB v2.0f-lin.ifort 2019-Sep-23 19:13:14 2019-Sep-23 19:13
2081-Dec-30 04:41 00:02 Jupiter 1.62912340176841 1.6291227356723 1.62912406786776 3.51842330737349 3.36741026870904 2481493.695373639 1.5358450175918 139.797240921554 15.3663150675422 -78.177473022254 3949227.8774257 T 42 CATAB v2.0f-lin.ifort 2019-Sep-23 19:13:14 2019-Sep-23 19:13
2092-Jul-29 17:59 00:02 Jupiter 1.96366175345053 1.96366049901183 1.96366300788957 3.38187469087145 3.25182709587597 2485358.249313924 1.94954153909887 81.2855037704285 24.4110457032259 -45.0252309579197 3747605.60354336 T 42 CATAB v2.0f-lin.ifort 2019-Sep-23 19:13:14 2019-Sep-23 19:13
2167-Apr-18 12:40 00:04 Jupiter 1.9532083576896 1.95320636511811 1.9532103502611 3.11135211276862 2.96870307199221 2512648.027832338 3.77026033549438 98.91395876683 42.5852777905837 8.03934351350345 2411579.17459346 T 42 CATAB v2.0f-lin.ifort 2019-Sep-23 19:13:14 2019-Sep-23 19:13
2177-Nov-10 07:43 00:04 Jupiter 1.63106626874709 1.63106533175621 1.63106720575893 3.43554820107472 3.28091137067522 2516506.821380160 3.66103765874652 322.523058653799 16.034830475593 81.2462435398239 3670237.70586589 T 42 CATAB v2.0f-lin.ifort 2019-Sep-23 19:13:14 2019-Sep-23 19:13
2188-Jul-05 02:00 00:04 Jupiter 1.6811618249435 1.68115996391174 1.6811636859961 3.54351130888131 3.39835388392704 2520396.583195644 3.98758066054442 320.427716303313 16.40379504177 -73.4499440695191 4178020.78037265 T 42 CATAB v2.0f-lin.ifort 2019-Sep-23 19:13:14 2019-Sep-23 19:13

Alternate Designations
 A917 KK = 1976 WJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin