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3881 Doumergua (1925 VF)
Classification: Main-belt Asteroid          SPK-ID: 2003881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1493036091827848 3.2491e-08  
a 2.449975810459303 8.2398e-09 au
q 2.08418557954721 7.9984e-08 au
i 3.607903473129983 4.2147e-06 deg
node 37.12892255705921 5.0598e-05 deg
peri 40.44212814956946 5.2375e-05 deg
M 235.6149069683157 1.4745e-05 deg
tp 2459484.457200757285
(2021-Sep-26.95720076)
5.8375e-05 TDB
period 1400.687076129315
3.83
7.0662e-06
1.935e-08
d
yr
n .2570167213899273 1.2966e-09 deg/d
Q 2.815766041371395 9.4701e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2245  
   data-arc span      34598 days (94.72 yr)  
   first obs. used      1925-11-15  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46562  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:08:50  

Additional Information
 Earth MOID = 1.10103 au 
 Jupiter MOID = 2.42799 au 
 T_jup = 3.478 
[ 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 13.0   n/a MPO384787  
diameter diameter 10.988 km 2.453 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.069   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

3881 Doumergua (1925 VF)          Discovered 1925-Nov-15 by Jekhowsky, B. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1925 VF = 1980 BC1 = 1982 SE = 1986 TP3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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