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3875 Staehle (1988 KE)
Classification: Main-belt Asteroid          SPK-ID: 2003875
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935099328963731 3.5839e-08  
a 2.22514751294638 6.0992e-09 au
q 1.794559367031595 8.022e-08 au
i 6.206285093135041 4.0646e-06 deg
node 131.6891096564053 2.9362e-05 deg
peri 187.9761046326132 3.0498e-05 deg
M 170.9865883059143 8.6051e-06 deg
tp 2458424.667485417581
(2018-Nov-02.16748542)
2.8404e-05 TDB
period 1212.374065729577
3.32
4.9847e-06
1.365e-08
d
yr
n .2969380574660848 1.2209e-09 deg/d
Q 2.655735658861166 7.2795e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2278  
   data-arc span      30983 days (84.83 yr)  
   first obs. used      1935-06-25  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:00:22  

Additional Information
 Earth MOID = .781697 au 
 Jupiter MOID = 2.649 au 
 T_jup = 3.614 
[ 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 13.3   n/a MPO458869  
diameter diameter 6.609 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 78.72 h n/a LCDB (Rev. 2019-August); 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:
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]
geometric albedo albedo 0.233   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3875 Staehle (1988 KE)          Discovered 1988-May-17 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1988 KE = 1935 MK = 1952 UG = 1978 JY = 1979 YW5 = 1985 OL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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