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15377 (1997 KW)
Classification: Main-belt Asteroid          SPK-ID: 2015377
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2200221135780461 3.1407e-08  
a 2.192325111050307 5.4431e-09 au
q 1.709965106466794 6.9741e-08 au
i 6.353703726936732 3.2093e-06 deg
node 127.1286914945807 3.2869e-05 deg
peri 216.3364361079844 3.3721e-05 deg
M 313.7129055806212 7.2956e-06 deg
tp 2459152.945034618289
(2020-Oct-30.44503462)
2.409e-05 TDB
period 1185.64824927977
3.25
4.4156e-06
1.209e-08
d
yr
n .3036313680880349 1.1308e-09 deg/d
Q 2.674685115633821 6.6408e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1587  
   data-arc span      10640 days (29.13 yr)  
   first obs. used      1991-09-12  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4863  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:34:03  

Additional Information
 Earth MOID = .706449 au 
 Jupiter MOID = 2.73246 au 
 T_jup = 3.632 
[ 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 15.4   n/a MPO324450  
diameter diameter 2.308 km 0.624 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.302   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15377 (1997 KW)          Discovered 1997-May-31 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 KW = 1991 RS24 = 1995 YN25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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