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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08256449108383095 4.3341e-08  
a 1.946767754964464 5.6424e-09 au
q 1.786033866017411 8.5502e-08 au
i 17.56551278497271 4.9904e-06 deg
node 276.4937915310663 1.0958e-05 deg
peri 59.06708633641941 2.8934e-05 deg
M 308.5896612365472 2.4952e-05 deg
tp 2458742.182955649054
(2019-Sep-15.68295565)
6.8682e-05 TDB
period 992.1324243426101
2.72
4.3133e-06
1.181e-08
d
yr
n .3628547874932493 1.5775e-09 deg/d
Q 2.107501643911517 6.1082e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1816  
   data-arc span      15089 days (41.31 yr)  
   first obs. used      1978-07-09  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39512  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:30:33  

Additional Information
 Earth MOID = .812026 au 
 Jupiter MOID = 3.13192 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-January); 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.]
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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