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35946 (1999 KO4)
Classification: Main-belt Asteroid          SPK-ID: 2035946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517136493307185 2.892e-08  
a 2.443006700685789 9.2432e-09 au
q 2.07236923878535 6.8798e-08 au
i 3.198916436374923 4.8932e-06 deg
node 165.4680618179539 6.6019e-05 deg
peri 106.4945108004647 6.8372e-05 deg
M 162.8945406713783 1.851e-05 deg
tp 2458369.412696786334
(2018-Sep-07.91269679)
7.1041e-05 TDB
period 1394.71481499956
3.82
7.9154e-06
2.167e-08
d
yr
n .2581172839983876 1.4649e-09 deg/d
Q 2.813644162586229 1.0645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1263  
   data-arc span      11988 days (32.82 yr)  
   first obs. used      1987-04-01  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51013  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:00:11  

Additional Information
 Earth MOID = 1.05894 au 
 Jupiter MOID = 2.28714 au 
 T_jup = 3.482 
[ 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 15.1   n/a MPO449220  
diameter diameter 3.651 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.100   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35946 (1999 KO4)          Discovered 1999-May-20 by Comba, P. G. at Prescott
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 KO4 = 1987 GA1 = 1995 HF3 = 1996 TS7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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