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6540 Stepling (1982 SL1)
Classification: Main-belt Asteroid          SPK-ID: 2006540
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713436571718355 1.9352e-08  
a 2.195684252442743 5.1928e-09 au
q 1.819467682634596 4.1421e-08 au
i 4.679729890049812 8.8567e-07 deg
node 192.8589385736062 1.1175e-05 deg
peri 182.595847034868 9.9488e-06 deg
M 253.8760303810678 7.236e-06 deg
tp 2459550.819444378325
(2021-Dec-02.31944438)
2.4419e-05 TDB
period 1188.37431759336
3.25
4.2158e-06
1.154e-08
d
yr
n .3029348536655144 1.0747e-09 deg/d
Q 2.57190082225089 6.0826e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2517  
   data-arc span      14088 days (38.57 yr)  
   first obs. used      1982-08-23  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:57:06  

Additional Information
 Earth MOID = .819109 au 
 Jupiter MOID = 2.892 au 
 T_jup = 3.646 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.75   n/a E2021B10  
diameter diameter 5.159 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 65.3 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Benishek, V. (2019) Minor Planet Bull. 46, 208-210.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.241   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6540 Stepling           Discovered 1982 Sept. 16 by A. Mrkos at Klet.
Named in memory of Joseph Stepling (1716-1778), founder and the first director of the astronomical observatory at the Jesuit college in Prague called Klementinum (1751). He was also known for introducing Newtonian physics to Prague. Name suggested by J. Ticha and M. Šolc.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980211/MPCPages.arcLast Updated: 2009-11-17

Alternate Designations
 1982 SL1 = 1940 XB = 1940 YP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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