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27867 (1995 KF4)
Classification: Main-belt Asteroid          SPK-ID: 2027867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273821199650483 4.7355e-08  
a 2.617597831306355 1.0958e-08 au
q 2.284162670338639 1.2417e-07 au
i 11.5757721246732 6.1267e-06 deg
node 221.70323924 1.8371e-05 deg
peri 220.5422342189275 2.8162e-05 deg
M 10.13110502253672 1.9502e-05 deg
tp 2458556.968149723285
(2019-Mar-14.46814972)
8.3812e-05 TDB
period 1546.866414350288
4.24
9.713e-06
2.659e-08
d
yr
n .2327285644450472 1.4613e-09 deg/d
Q 2.951032992274071 1.2353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1779  
   data-arc span      10436 days (28.57 yr)  
   first obs. used      1991-05-12  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4763  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:42:30  

Additional Information
 Earth MOID = 1.31156 au 
 Jupiter MOID = 2.37249 au 
 T_jup = 3.366 
[ 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 13.3   n/a MPO502366  
diameter diameter 7.082 km 0.252 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 418.940 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.222   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

27867 (1995 KF4)          Discovered 1995-May-26 by Spacewatch at Kitt Peak
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 KF4 = 1991 JK4 = 1999 FV31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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