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2725 David Bender (1978 VG3)
Classification: Main-belt Asteroid          SPK-ID: 2002725
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518718676292276 1.7011e-08  
a 3.032866076692836 1.1704e-08 au
q 2.572259041356167 5.374e-08 au
i 15.55716459346387 7.4217e-07 deg
node 61.5269953126756 1.2957e-06 deg
peri 28.45815820603612 5.9508e-06 deg
M 328.589661014725 3.8006e-06 deg
tp 2459368.824913385290
(2021-Jun-03.32491339)
2.0584e-05 TDB
period 1929.204547811853
5.28
1.1167e-05
3.057e-08
d
yr
n .1866054070877658 1.0801e-09 deg/d
Q 3.493473112029506 1.3481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2754  
   data-arc span      42496 days (116.35 yr)  
   first obs. used      1904-11-16  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39229  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:28:49  

Additional Information
 Earth MOID = 1.59808 au 
 Jupiter MOID = 1.8487 au 
 T_jup = 3.170 
[ 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 10.91   n/a E2021B10  
diameter diameter 36.974 km 0.394 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.956 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 82-84.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.068   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2725 David Bender (1978 VG3)          Discovered 1978-Nov-07 by Helin, E. F. and Bus, S. J. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 VG3 = 1941 WW = 1943 GA = 1959 FA = 1962 XB = 1969 EE1 = 1980 FA12 = A904 VC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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