Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457113.5 (2015-Apr-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1509539907169306 2.8534e-08  
q 2.078275402322083 7.1743e-08 au
tp 2456683.626343325224
(2014-Jan-26.12634333)
5.1619e-05 TDB
node 37.23944782102711 4.9894e-05 deg
peri 39.97408122153859 5.1514e-05 deg
i 3.614419059595284 3.5269e-06 deg
  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
 Jupiter MOID = 2.4286 au 
 T_jup = 3.479 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.141989941692287E-16 -2.039101673566668E-15 -3.211642547302614E-13 4.121173674942369E-15 -8.465444029715612E-14 -1.613911463501754E-18
q -2.039101673566668E-15 5.147065820467057E-15 8.913434080969496E-13 -1.04973425983995E-14 2.34798094740743E-13 1.488411415053148E-16
tp -3.211642547302614E-13 8.913434080969496E-13 2.664537875030313E-9 -9.590362456880505E-12 6.715653709274483E-10 1.216870953361827E-12
node 4.121173674942369E-15 -1.04973425983995E-14 -9.590362456880505E-12 2.48941278618348E-9 -2.486488647518063E-9 -2.850281506614095E-11
peri -8.465444029715612E-14 2.34798094740743E-13 6.715653709274483E-10 -2.486488647518063E-9 2.653736798258262E-9 2.875233843612998E-11
i -1.613911463501754E-18 1.488411415053148E-16 1.216870953361827E-12 -2.850281506614095E-11 2.875233843612998E-11 1.243926681924446E-11

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

[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-05 23:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin