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JPL Small-Body Database Browser
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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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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 .1963548937602378 4.0479e-08  
a 2.305727030421078 6.7881e-09 au
q 1.852986244322639 9.3228e-08 au
i 25.18939221423422 4.6472e-06 deg
node 156.9198569271864 8.251e-06 deg
peri 341.1319600302316 1.289e-05 deg
M 297.3443003570005 1.1886e-05 deg
tp 2459223.070881755895
4.2841e-05 TDB
period 1278.822483647334
n .2815089698558026 1.2432e-09 deg/d
Q 2.758467816519517 8.121e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1977  
   data-arc span      32820 days (89.86 yr)  
   first obs. used      1930-03-19  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40579  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:47:23  

Additional Information
 Earth MOID = .873565 au 
 Jupiter MOID = 2.27515 au 
 T_jup = 3.438 
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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] (  
rotation period rot_per 4.141 h n/a LCDB (Rev. 2019-August); 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] (  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
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
1942-Feb-26 20:01 < 00:01 Inter 0.0251425299529369 0.025140790955921 0.0251442692946625 11.617278370678 11.6172783205586 2430417.333758663 0.224252761648432 176.967251911836 26.6696422306539 -61.8585334326611 124744.545939442 T 36 CATAB v2.0f-lin.ifort 2020-Feb-22 15:47:31 2020-Feb-22 15:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Mar-28 18:39 UT
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