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1097 Vicia (1928 PC)
Classification: Main-belt Asteroid          SPK-ID: 2001097
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2924570905107933 3.4635e-08  
a 2.644027255049328 6.7417e-09 au
q 1.870762736806362 9.1182e-08 au
i 1.533308522068254 3.8837e-06 deg
node 133.834809529585 0.00012634 deg
peri 176.6139132810362 0.00012646 deg
M 143.1978715575759 6.5017e-06 deg
tp 2458375.857715001981
(2018-Sep-14.35771500)
2.7135e-05 TDB
period 1570.35310758004
4.30
6.0061e-06
1.644e-08
d
yr
n .2292478030974642 8.768e-10 deg/d
Q 3.417291773292293 8.7134e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3202  
   data-arc span      41269 days (112.99 yr)  
   first obs. used      1907-11-05  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:22:33  

Additional Information
 Earth MOID = .856361 au 
 Jupiter MOID = 1.87615 au 
 T_jup = 3.331 
[ 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 12.0   n/a MPO448922  
diameter diameter 23.110 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 100.5 h n/a LCDB (Rev. 2019-August); 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:
[Polakis, T. (2018) Minor Planet Bull. 45, 347-352.]
geometric albedo albedo 0.031   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1097 Vicia (1928 PC)          Discovered 1928-Aug-11 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1928 PC = 1941 SO2 = 1958 PF = 1978 BG = A907 VF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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