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3077 Henderson (1982 SK)
Classification: Main-belt Asteroid          SPK-ID: 2003077
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05544820718408889 3.7395e-08  
a 2.24080703281343 6.252e-09 au
q 2.116558300198427 8.5274e-08 au
i 1.47435880695002 3.4443e-06 deg
node 297.3635032843202 0.00016713 deg
peri 118.3630590845934 0.00017116 deg
M 32.12557000291795 3.5802e-05 deg
tp 2458891.166448279229
(2020-Feb-11.66644828)
0.00012187 TDB
period 1225.194716106284
3.35
5.1276e-06
1.404e-08
d
yr
n .293830846042247 1.2297e-09 deg/d
Q 2.365055765428432 6.5986e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2514  
   data-arc span      28216 days (77.25 yr)  
   first obs. used      1942-11-05  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:38:06  

Additional Information
 Earth MOID = 1.12836 au 
 Jupiter MOID = 2.78878 au 
 T_jup = 3.632 
[ 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 12.8   n/a MPO502182  
diameter diameter 5.175 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16.235 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Marchini, A.; Papini, R.; Salvaggio, F. (2017) Minor Planet Bull. 44, 137-138.]
geometric albedo albedo 0.549   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3077 Henderson (1982 SK)          Discovered 1982-Sep-22 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 SK = 1940 BA = 1942 VK = 1957 EG = 1972 RV = 1979 VF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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