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63 Ausonia (A861 CA)
Classification: Main-belt Asteroid          SPK-ID: 2000063
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 113 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269573124421815 1.9156e-08  
a 2.394799508338236 2.8613e-09 au
q 2.090762198921756 4.5075e-08 au
i 5.776769886891201 3.6082e-07 deg
node 337.7215912522735 2.9993e-06 deg
peri 296.1456779408745 9.3426e-06 deg
M 298.8629981347592 1.0782e-05 deg
tp 2459430.381384376753
(2021-Aug-03.88138438)
4.0718e-05 TDB
period 1353.63684594881
3.71
2.426e-06
6.642e-09
d
yr
n .2659502074558733 4.7663e-10 deg/d
Q 2.698836817754716 3.2245e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2912  
   data-arc span      58436 days (159.99 yr)  
   first obs. used      1861-03-01  
   last obs. used      2021-02-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52085  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:14:16  

Additional Information
 Earth MOID = 1.08046 au 
 Jupiter MOID = 2.42678 au 
 T_jup = 3.512 
[ 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 7.45   n/a E2021B10 IRAS observations used: 5
magnitude slope G 0.25   n/a PDS3 (MPC 17257) Fit
diameter diameter 116.044 km 1.747 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.298 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Rigollet, R. (1950) C. R. 230, 2077-2078.]
[Scaltriti, F.; Zappala, V. (1977) Icarus 31, 498-502.]
[Magnusson, P. (1986) Icarus 68, 1-39.]
[Lupishko, D.F.; Velichko, F.P. (1987) Kin. Fiz. Neb. Tel 3(1), 57-65; Kinematics and Physics of Celestial Bodies 3(1), 63-71.]
[Lagerkvist, C.I.; Magnusson, P.; Williams, I.P.; Buontempo, M.E.; et al. (1989) Astron. Astrophys. Suppl. Ser. 78, 519-532.]
[De Angelis, G. (1995) Planet. Space Sci. 43, 649-682.]
[Hainaut-Rouelle, M.-C.; Hainaut, O.R.; Detal, A. (1995) Astron. Astrophys. Suppl. Ser. 112, 125-142.]
[Michalowski, T. (1996) Icarus 123, 456-462.]
[Riccioli, D.; Blanco, C.; Cigna, M. (2001) Planet. Space Sci. 49, 657-671.]
[Torppa, J.; Kaasalainen, M.; Michalowski, T.; Kwiatkowski, T.; et al. (2003) Icarus 164, 346-383.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Kaasalainen, M.; Herald, D.; Dunham, D.; et al. (2011) Icarus 214, 652-670.]
geometric albedo albedo 0.125   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.916   0.019 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=7; phase (min.=5.62, mean=14.74, max.=20.99) deg.
U-B UB 0.500   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=8.02, mean=15.84, max.=20.99) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Sa   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)

63 Ausonia (A861 CA)          Discovered 1861-Feb-10 by De Gasparis, A. at Naples
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A861 CA = 1947 NA = 1948 WT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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