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1164 Kobolda (1930 FB)
Classification: Main-belt Asteroid          SPK-ID: 2001164
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1963548950603023 4.0087e-08  
a 2.305727031042368 6.565e-09 au
q 1.852986241824341 9.2503e-08 au
i 25.18939209183431 4.5964e-06 deg
node 156.9198567659433 8.2206e-06 deg
peri 341.1319610866673 1.2654e-05 deg
M 297.3442990582045 1.1346e-05 deg
tp 2459223.070886459547
(2021-Jan-08.57088646)
4.0873e-05 TDB
period 1278.822484164212
3.50
5.4617e-06
1.495e-08
d
yr
n .2815089697420217 1.2023e-09 deg/d
Q 2.758467820260394 7.8541e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2069  
   data-arc span      33110 days (90.65 yr)  
   first obs. used      1930-03-19  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:58:50  

Additional Information
 Earth MOID = .873565 au 
 Jupiter MOID = 2.27515 au 
 T_jup = 3.438 
[ 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 12.8   n/a MPO279525  
diameter diameter 7.651 km 0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.141 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Higgins, D.; Oey, J. (2007) Minor Planet Bull. 34, 79-80.]
[Sauppe, J.; Torno, S.; Lemke-Oliver, R.; Ditteon, R. (2007) Minor Planet Bull. 34, 119-122.]
[Higgins, D. (2011) Minor Planet Bull. 38, 41-46.]
[Warner, Brian D. (2014) Minor Planet Bull. 41, 235-241.]
geometric albedo albedo 0.229   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1164 Kobolda (1930 FB)          Discovered 1930-Mar-19 by Reinmuth, K. at Heidelberg
Independent discovery Mar. 20 by W. Baade, Bergedorf, was announced first.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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