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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456988.5 (2014-Nov-27.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1217307547148416 4.1859e-08  
q 2.643500736812232 1.3239e-07 au
tp 2457485.629567927925
(2016-Apr-07.12956793)
0.00010324 TDB
node 353.1682410104798 2.0944e-05 deg
peri 36.02886832379175 2.8561e-05 deg
i 9.788188315491253 4.9396e-06 deg
  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
 Jupiter MOID = 2.14979 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.752207473301296E-15 -5.525070882986237E-15 -1.867923027090184E-12 2.103963763112884E-15 -3.06931996181713E-13 -6.082224125426317E-16
q -5.525070882986237E-15 1.75282280169737E-14 5.996120364606833E-12 -8.428604949783827E-15 9.818847013129644E-13 2.235109416254082E-15
tp -1.867923027090184E-12 5.996120364606833E-12 1.065938819321262E-8 -8.112085776371058E-12 2.012723887638887E-9 1.700445656960158E-12
node 2.103963763112884E-15 -8.428604949783827E-15 -8.112085776371058E-12 4.386581641063671E-10 -4.333140314184802E-10 -1.938295072678237E-11
peri -3.06931996181713E-13 9.818847013129644E-13 2.012723887638887E-9 -4.333140314184802E-10 8.157453445110507E-10 1.937734734222327E-11
i -6.082224125426317E-16 2.235109416254082E-15 1.700445656960158E-12 -1.938295072678237E-11 1.937734734222327E-11 2.439985519704505E-11

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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