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43950 (1997 BG1)
Classification: Main-belt Asteroid          SPK-ID: 2043950
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2263591759296831 3.5417e-08  
a 2.640421814781706 1.1939e-08 au
q 2.042738108680961 9.046e-08 au
i 7.566802039997344 3.9051e-06 deg
node 143.4349412639196 2.9196e-05 deg
peri 33.5943090257186 3.0515e-05 deg
M 173.9525789209176 1.0504e-05 deg
tp 2458443.254386813669
(2018-Nov-20.75438681)
4.2825e-05 TDB
period 1567.14216275582
4.29
1.0629e-05
2.91e-08
d
yr
n .229717512907023 1.558e-09 deg/d
Q 3.238105520882452 1.4641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      895  
   data-arc span      10100 days (27.65 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-11-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:24:32  

Additional Information
 Earth MOID = 1.0521 au 
 Jupiter MOID = 1.73628 au 
 T_jup = 3.346 
[ 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 14.96   n/a E2021B10  
diameter diameter 4.665 km 1.268 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.089   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

43950 (1997 BG1)          Discovered 1997-Jan-28 by Kobayashi, T. at Oizumi
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 BG1 = 1993 FC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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