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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1052336107277509 1.6179e-08  
a 2.31288788267576 5.0234e-09 au
q 2.069494339573327 3.7555e-08 au
i 9.214082458706846 6.3849e-07 deg
node 182.8318678902066 5.5801e-06 deg
peri 59.73281586910953 1.0112e-05 deg
M 245.5151836827873 9.0352e-06 deg
tp 2459609.078668738365
(2022-Jan-29.57866874)
3.2579e-05 TDB
period 1284.784528441411
3.52
4.1856e-06
1.146e-08
d
yr
n .2802026270013703 9.1286e-10 deg/d
Q 2.556281425778193 5.552e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3356  
   data-arc span      36771 days (100.67 yr)  
   first obs. used      1920-07-11  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41316  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:32:13  

Additional Information
 Earth MOID = 1.07405 au 
 Jupiter MOID = 2.45749 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 11.56   n/a E2021B10  
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. 2020-October); 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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