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JPL Small-Body Database Browser
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936 Kunigunde (A920 RB)
Classification: Main-belt Asteroid          SPK-ID: 2000936
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762445671560649 3.1134e-08  
a 3.132250708064363 1.1427e-08 au
q 2.580208537797281 1.0088e-07 au
i 2.366041491600698 3.8468e-06 deg
node 62.16108358343657 8.3169e-05 deg
peri 253.487346733099 8.3929e-05 deg
M 8.75417229985384 1.2411e-05 deg
tp 2458951.262523063720
(2020-Apr-11.76252306)
6.9702e-05 TDB
period 2024.80498326
5.54
1.108e-05
3.034e-08
d
yr
n .1777949002379422 9.7292e-10 deg/d
Q 3.684292878331444 1.3441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3216  
   data-arc span      36392 days (99.64 yr)  
   first obs. used      1920-09-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:15:39  

Additional Information
 Earth MOID = 1.56786 au 
 Jupiter MOID = 1.61782 au 
 T_jup = 3.187 
[ 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 10.4   n/a MPO302064  
diameter diameter 43.227 km 1.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.3650 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.065   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

936 Kunigunde (A920 RB)          Discovered 1920-Sep-08 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A920 RB = 1930 KD = 1930 KR = 1931 TO2 = 1942 RD1 = 1984 BK7 = A913 HA = A921 WD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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