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1944 Gunter (1925 RA)
Classification: Main-belt Asteroid          SPK-ID: 2001944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2364357245741915 3.4648e-08  
a 2.23998929487497 5.0285e-09 au
q 1.710375802902774 7.6639e-08 au
i 5.488100223951225 4.3839e-06 deg
node 212.4319060400652 3.6855e-05 deg
peri 124.7642255173588 3.7928e-05 deg
M 342.6148053392757 9.2014e-06 deg
tp 2458659.634972354861
(2019-Jun-25.13497235)
3.1392e-05 TDB
period 1224.524111647931
3.35
4.1234e-06
1.129e-08
d
yr
n .293991761024225 9.8997e-10 deg/d
Q 2.769602786847166 6.2174e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2054  
   data-arc span      34380 days (94.13 yr)  
   first obs. used      1925-09-14  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50063  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:10:20  

Additional Information
 Earth MOID = .708019 au 
 Jupiter MOID = 2.6453 au 
 T_jup = 3.592 
[ 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 13.8   n/a MPO279534  
diameter diameter 4.905 km 0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1944 Gunter (1925 RA)          Discovered 1925-Sep-14 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1925 RA = 1972 TY3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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