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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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518718872092396 3.6038e-08  
a 3.032866076938714 1.2504e-08 au
q 2.572258982181149 1.1344e-07 au
i 15.55716001586469 4.7799e-06 deg
node 61.52697471526617 1.4282e-05 deg
peri 28.4581730963226 2.2141e-05 deg
M 328.5896666554789 1.5916e-05 deg
tp 2459368.824883177515
(2021-Jun-03.32488318)
8.5485e-05 TDB
period 1929.204548046458
5.28
1.1931e-05
3.267e-08
d
yr
n .1866054070650733 1.154e-09 deg/d
Q 3.493473171696279 1.4403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2659  
   data-arc span      42432 days (116.17 yr)  
   first obs. used      1904-11-16  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:05:12  

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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