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833 Monica (A916 SF)
Classification: Main-belt Asteroid          SPK-ID: 2000833
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168284834196797 4.166e-08  
a 3.009989894839634 1.3094e-08 au
q 2.658337340316959 1.3082e-07 au
i 9.787174732599897 4.9433e-06 deg
node 352.8291459679718 2.0923e-05 deg
peri 36.74565189939203 2.9361e-05 deg
M 359.9141086555263 2.1527e-05 deg
tp 2459396.955085379692
(2021-Jul-01.45508538)
0.00011406 TDB
period 1907.418467983179
5.22
1.2446e-05
3.408e-08
d
yr
n .1887367696406171 1.2315e-09 deg/d
Q 3.36164244936231 1.4623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3074  
   data-arc span      38271 days (104.78 yr)  
   first obs. used      1916-09-20  
   last obs. used      2021-07-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36865  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:17:32  

Additional Information
 Earth MOID = 1.66886 au 
 Jupiter MOID = 2.14979 au 
 T_jup = 3.217 
[ 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 11.23   n/a E2021B10  
diameter diameter 21.990 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 12.090 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Gartrelle, G. (2012) Minor Planet Bull. 39, 40-46.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pilcher, F.; Benishek, V. (2016) Minor Planet Bull. 43, 111.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.206   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

833 Monica (A916 SF)          Discovered 1916-Sep-20 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A916 SF = 1963 SK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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