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6634 (1987 KB)
Classification: Main-belt Asteroid          SPK-ID: 2006634
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .265920844030769 3.2591e-08  
a 2.372748598837672 7.6264e-09 au
q 1.741785288761934 7.8381e-08 au
i 10.71438057349784 4.4974e-06 deg
node 243.2760572842929 2.0009e-05 deg
peri 66.87458355284824 2.194e-05 deg
M 334.4134718689738 1.1409e-05 deg
tp 2459095.382228063597
(2020-Sep-02.88222806)
4.252e-05 TDB
period 1334.983860568228
3.65
6.4363e-06
1.762e-08
d
yr
n .2696661814673686 1.3001e-09 deg/d
Q 3.00371190891341 9.6544e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2150  
   data-arc span      21022 days (57.56 yr)  
   first obs. used      1962-11-24  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:33:05  

Additional Information
 Earth MOID = .760141 au 
 Jupiter MOID = 2.34495 au 
 T_jup = 3.472 
[ 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 12.6   n/a MPO384815  
diameter diameter 10.651 km 0.510 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.333 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2014) Minor Planet Bull. 41, 92-95.]
geometric albedo albedo 0.171   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

6634 (1987 KB)          Discovered 1987-May-23 by Campinas at Campinas
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 KB = 1951 TR = 1962 WM = 1976 KC1 = 1982 AO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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