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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2197838152760988 3.1389e-08  
a 2.191781932523121 5.4245e-09 au
q 1.710063737139968 6.9632e-08 au
i 6.354187218777745 3.1985e-06 deg
node 127.1285100120543 3.2512e-05 deg
peri 216.3216576771835 3.3348e-05 deg
M 14.45162304052634 7.2284e-06 deg
tp 2459152.921738954953
(2020-Oct-30.42173896)
2.3775e-05 TDB
period 1185.207635722635
3.24
4.3999e-06
1.205e-08
d
yr
n .3037442462817949 1.1276e-09 deg/d
Q 2.673500127906273 6.6167e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1650  
   data-arc span      10742 days (29.41 yr)  
   first obs. used      1991-09-12  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:56:53  

Additional Information
 Earth MOID = .704704 au 
 Jupiter MOID = 2.73392 au 
 T_jup = 3.633 
[ 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 15.31   n/a E2021B10  
diameter diameter 2.308 km 0.624 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 37.996 h n/a LCDB (Rev. 2020-October); 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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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