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544 Jetta (A904 RH)
Classification: Main-belt Asteroid          SPK-ID: 2000544
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1531939352413843 3.549e-08  
a 2.591858191080091 7.7404e-09 au
q 2.194801235200916 9.2864e-08 au
i 8.372454376446482 4.0448e-06 deg
node 298.3037508721865 2.5404e-05 deg
peri 343.4489035346436 2.8219e-05 deg
M 336.1030399820298 1.2603e-05 deg
tp 2459101.670858983698
(2020-Sep-09.17085898)
5.3392e-05 TDB
period 1524.106380340545
4.17
6.8275e-06
1.869e-08
d
yr
n .2362039846060889 1.0581e-09 deg/d
Q 2.988915146959265 8.9262e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3014  
   data-arc span      42428 days (116.16 yr)  
   first obs. used      1904-09-12  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42315  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:54:23  

Additional Information
 Earth MOID = 1.17979 au 
 Jupiter MOID = 2.17752 au 
 T_jup = 3.388 
[ 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 10.0   n/a MPO250196  
diameter diameter 27.169 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.745 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[LeCrone, C.; Mills, G.; Ditteon, R. (2005) Minor Planet Bull. 32, 62-64.]
[Stephens, R.D. (2005) Minor Planet Bull. 32, 2-3.]
[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.]
geometric albedo albedo 0.262   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

544 Jetta (A904 RH)          Discovered 1904-Sep-11 by Gotz, P. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A904 RH = 1937 UJ = 1937 VS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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