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2944 Peyo (1935 QF)
Classification: Main-belt Asteroid          SPK-ID: 2002944
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668296906566762 3.8677e-08  
a 2.647978161285949 9.4216e-09 au
q 2.20621678377298 1.0254e-07 au
i 10.67034389034236 4.6144e-06 deg
node 194.6668358227908 1.5997e-05 deg
peri 153.8535943857025 1.9115e-05 deg
M 232.6168988810072 1.1825e-05 deg
tp 2459557.402723941184
(2021-Dec-08.90272394)
5.3021e-05 TDB
period 1573.874233376894
4.31
8.3998e-06
2.3e-08
d
yr
n .2287349219941078 1.2208e-09 deg/d
Q 3.089739538798918 1.0993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2864  
   data-arc span      30971 days (84.79 yr)  
   first obs. used      1935-08-31  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:51:46  

Additional Information
 Earth MOID = 1.20622 au 
 Jupiter MOID = 2.38589 au 
 T_jup = 3.347 
[ 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 12.9   n/a MPO384777  
diameter diameter 8.984 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.166   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2944 Peyo (1935 QF)          Discovered 1935-Aug-31 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1935 QF = 1969 MA = 1982 NA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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