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3926 Ramirez (1978 VQ3)
Classification: Main-belt Asteroid          SPK-ID: 2003926
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231379315973094 2.7452e-08  
a 2.554056618301982 1.0891e-08 au
q 2.239555369141857 7.0689e-08 au
i 9.191440009098958 6.7839e-07 deg
node 239.0652321024642 4.0022e-06 deg
peri 235.8829842732208 8.4149e-06 deg
M 71.83595383996543 6.598e-06 deg
tp 2458903.002329429218
(2020-Feb-23.50232943)
2.7012e-05 TDB
period 1490.885213887111
4.08
9.5365e-06
2.611e-08
d
yr
n .2414672817509471 1.5445e-09 deg/d
Q 2.868557867462107 1.2233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1753  
   data-arc span      26052 days (71.33 yr)  
   first obs. used      1949-11-19  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47236  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:18:46  

Additional Information
 Earth MOID = 1.27051 au 
 Jupiter MOID = 2.30778 au 
 T_jup = 3.410 
[ 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 13.81   n/a E2021B10  
diameter diameter 3.904 km 0.539 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.461   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3926 Ramirez (1978 VQ3)          Discovered 1978-Nov-07 by Helin, E. F. and Bus, S. J. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1978 VQ3 = 1976 JQ10 = 1982 XC3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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