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JPL Small-Body Database Browser
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3880 Kaiserman (1984 WK)
Classification: Inner Main-belt Asteroid          SPK-ID: 2003880
[ 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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08245995301739639 4.2695e-08  
a 1.946602309549481 5.5491e-09 au
q 1.786085574560476 8.413e-08 au
i 17.56618418026881 4.5365e-06 deg
node 276.4941612988578 1.0847e-05 deg
peri 59.20546538430038 2.8326e-05 deg
M 93.62271501258314 2.4087e-05 deg
tp 2458742.515859375692
(2019-Sep-16.01585938)		 6.6562e-05 TDB
period 992.0059529599024
2.72		 4.2418e-06
1.161e-08		 d
yr
n .3629010480490045 1.5518e-09 deg/d
Q 2.107119044538487 6.0067e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2026  
   data-arc span      15186 days (41.58 yr)  
   first obs. used      1978-07-09  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39256  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:58:22  

Additional Information
 Earth MOID = .812973 au 
 Jupiter MOID = 3.13374 au 
 T_jup = 3.835 
[ 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 13.8   n/a MPO389620  
diameter diameter 3.071 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.270 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D (2012) Minor Planet Bull. 39, 69-80.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 132-136.]
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46-4, submitted. (Binary Suspects) http://www.planetarysciences.org/lightcurves.html]
geometric albedo albedo 0.566   0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3880 Kaiserman (1984 WK)          Discovered 1984-Nov-21 by Shoemaker, C. and Shoemaker, E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1984 WK = 1978 NX 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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