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4204 Barsig (1985 JG1)
Classification: Main-belt Asteroid          SPK-ID: 2004204
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08625869337141347 3.5965e-08  
a 2.268394847807106 5.3427e-09 au
q 2.072726072184819 8.1244e-08 au
i 3.815856350203033 3.3136e-06 deg
node 222.6803179364165 4.5053e-05 deg
peri 323.2857839632672 4.7091e-05 deg
M 242.8857319507316 1.4345e-05 deg
tp 2459802.460438432032
(2022-Aug-10.96043843)
5.0087e-05 TDB
period 1247.8902892861
3.42
4.4087e-06
1.207e-08
d
yr
n .2884868991215171 1.0192e-09 deg/d
Q 2.464063623429394 5.8035e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2988  
   data-arc span      24423 days (66.87 yr)  
   first obs. used      1954-04-02  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40597  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 14:18:37  

Additional Information
 Earth MOID = 1.07573 au 
 Jupiter MOID = 2.49778 au 
 T_jup = 3.607 
[ 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 13.14   n/a MPCxxxxx  
diameter diameter 5.813 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.2663 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.332   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4204 Barsig (1985 JG1)          Discovered 1985-May-11 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 JG1 = 1978 JK2 = 1979 SO3 = 1988 CO6 = 1988 DK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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