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JPL Small-Body Database Browser
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1281 Jeanne (1933 QJ)
Classification: Main-belt Asteroid          SPK-ID: 2001281
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2083516324963598 2.6583e-08  
a 2.55613356798463 7.4406e-09 au
q 2.023558966216287 6.7443e-08 au
i 7.445756844285762 5.1157e-06 deg
node 210.0994405206954 2.3815e-05 deg
peri 72.58324036615959 2.7503e-05 deg
M 17.35514219244106 1.4068e-05 deg
tp 2458528.538630829286
(2019-Feb-14.03863083)		 5.8192e-05 TDB
period 1492.704157315416
4.09		 6.5177e-06
1.784e-08		 d
yr
n .241173040374892 1.053e-09 deg/d
Q 3.088708169752972 8.9909e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2703  
   data-arc span      42049 days (115.12 yr)  
   first obs. used      1904-07-07  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46347  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:16:31  

Additional Information
 Earth MOID = 1.02192 au 
 Jupiter MOID = 2.09793 au 
 T_jup = 3.395 
[ 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 11.5   n/a MPO435708  
diameter diameter 25.716 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.18 h n/a LCDB (Rev. 2019-January); 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:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.058   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1281 Jeanne (1933 QJ)          Discovered 1933-Aug-25 by Arend, S. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1933 QJ = 1929 RG = 1938 YL = A904 NA 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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