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853 Nansenia (A916 GN)
Classification: Main-belt Asteroid          SPK-ID: 2000853
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1056349348626155 3.5344e-08  
a 2.312128334678393 6.1833e-09 au
q 2.067886808650634 8.211e-08 au
i 9.21531105745685 4.2966e-06 deg
node 182.8445516415387 2.1563e-05 deg
peri 59.64595442688979 2.885e-05 deg
M 77.42924466534356 1.883e-05 deg
tp 2458324.303066376251
(2018-Jul-24.80306638)
6.709e-05 TDB
period 1284.15169919711
3.52
5.1513e-06
1.41e-08
d
yr
n .2803407107003657 1.1246e-09 deg/d
Q 2.556369860706153 6.8365e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2639  
   data-arc span      36272 days (99.31 yr)  
   first obs. used      1920-07-11  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45175  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:58:25  

Additional Information
 Earth MOID = 1.0737 au 
 Jupiter MOID = 2.45916 au 
 T_jup = 3.559 
[ 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 11.67   n/a MPO253365  
diameter diameter 27.593 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.931 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.051   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.710   0.069 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=7.88, mean=12.02, max.=16.16) deg.
U-B UB 0.290   0.080 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.88 deg.
Tholen spectral type spec_T XD   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

853 Nansenia (A916 GN)          Discovered 1916-Apr-02 by Belyavskij, S. at Simeis
Discovered at Simeis during the First World War while Simeis was not in communication with the Rechen-Institut for long periods of time were given provisional designations containing the Greek letter SIGMA. These are here abbreviated S.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A916 GN = 1930 FY = 1930 GJ = 1952 SR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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