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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1493565432425459 2.8316e-08  
a 2.448404399964515 7.7213e-09 au
q 2.082719182325975 7.1002e-08 au
i 3.608364118206298 3.5226e-06 deg
node 37.08873645566926 5.003e-05 deg
peri 40.7386732659436 5.1688e-05 deg
M 286.7655768993254 1.4739e-05 deg
tp 2459485.166209049257
(2021-Sep-27.66620905)
5.7936e-05 TDB
period 1399.339694624952
3.83
6.6194e-06
1.812e-08
d
yr
n .2572641949505237 1.217e-09 deg/d
Q 2.814089617603055 8.8745e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2564  
   data-arc span      34764 days (95.18 yr)  
   first obs. used      1925-11-15  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:40:48  

Additional Information
 Earth MOID = 1.09917 au 
 Jupiter MOID = 2.4286 au 
 T_jup = 3.479 
[ 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 13.07   n/a E2021B10  
diameter diameter 10.988 km 2.453 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.582 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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

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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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