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3854 George (1983 EA)
Classification: Mars-crossing Asteroid          SPK-ID: 2003854
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338710588446294 3.4377e-08  
a 1.892545876696111 4.7897e-09 au
q 1.639188756270765 6.5949e-08 au
i 24.20786280340243 5.9339e-06 deg
node 8.364751777903161 9.0713e-06 deg
peri 87.62507383717578 2.7889e-05 deg
M 240.7877109846332 2.4703e-05 deg
tp 2459515.410090691039
(2021-Oct-27.91009069)
6.5607e-05 TDB
period 950.9727024380894
2.60
3.6101e-06
9.884e-09
d
yr
n .3785597621015172 1.4371e-09 deg/d
Q 2.145902997121456 5.4309e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1492  
   data-arc span      13757 days (37.66 yr)  
   first obs. used      1983-03-13  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38148  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:14:28  

Additional Information
 Earth MOID = .788534 au 
 Jupiter MOID = 3.05548 au 
 T_jup = 3.840 
[ 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 14.19   n/a E2021B10  
diameter diameter 3.023 km 0.554 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 3.3398 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Pravec, P.; Kusnirak, P.; Foote, C.; et al. (2006) Minor Planet Bull. 33, 34-35.]
[Warner, B.D. (2009) Minor Planet Bull. 36, 109-116.]
geometric albedo albedo 0.385   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

3854 George (1983 EA)          Discovered 1983-Mar-13 by Shoemaker, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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