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714 Ulula (A911 KG)
Classification: Main-belt Asteroid          SPK-ID: 2000714
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05647822467242985 3.8577e-08  
a 2.535275609567422 7.2126e-09 au
q 2.392087744083741 9.6956e-08 au
i 14.26817333172613 4.2126e-06 deg
node 233.8334246901373 1.6787e-05 deg
peri 231.5355796527151 4.0301e-05 deg
M 159.6987256864816 3.7115e-05 deg
tp 2458546.413562180820
(2019-Mar-03.91356218)
0.00015166 TDB
period 1474.470861321577
4.04
6.2921e-06
1.723e-08
d
yr
n .2441553844457326 1.0419e-09 deg/d
Q 2.678463475051102 7.62e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3075  
   data-arc span      40114 days (109.83 yr)  
   first obs. used      1911-05-18  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .409  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:19:57  

Additional Information
 Earth MOID = 1.42939 au 
 Jupiter MOID = 2.50448 au 
 T_jup = 3.403 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.06   n/a E2021B10  
diameter diameter 41.343 km 2.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.998 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Schober, H.J.; Stadler, M. (1990) Astron. Astrophys. 230, 233-237.]
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J. (2006) IAU 2006, poster paper.]
[Licchelli, D. (2006) Minor Planet Bull. 33, 11-13.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Marciniak, A.; Michalowski, T.; Polinska, M.; Bartczak, P.; et al. (2011) Astron. Astrophys. 529, A107.]
[Aznar, A.M.; Licandro, J.; Serra-Ricart, M. (2019) Minor Planet Bull. 46, 395-399.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.260   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.884   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=4.52, mean=8.31, max.=13.17) deg.
U-B UB 0.454   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=4.52, mean=8.31, max.=13.17) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

714 Ulula (A911 KG)          Discovered 1911-May-18 by Helffrich, J. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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