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67 Asia (A861 HA)
Classification: Main-belt Asteroid          SPK-ID: 2000067
[ 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 134 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850449981395399 2.0514e-08  
a 2.421295522110377 4.2735e-09 au
q 1.973246896726186 5.0737e-08 au
i 6.028877960106133 3.0535e-07 deg
node 202.4107495310902 2.3925e-06 deg
peri 106.9068246478486 4.4453e-06 deg
M 75.58502059091406 3.3333e-06 deg
tp 2458911.562866365594
(2020-Mar-03.06286637)		 1.2623e-05 TDB
period 1376.163786094014
3.77		 3.6433e-06
9.975e-09		 d
yr
n .2615967689585797 6.9256e-10 deg/d
Q 2.869344147494568 5.0643e-09 au
   Orbit Determination Parameters
   # obs. used (total)      3213  
   data-arc span      57351 days (157.02 yr)  
   first obs. used      1864-03-02  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45816  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:14:30  

Additional Information
 Earth MOID = .967323 au 
 Jupiter MOID = 2.42043 au 
 T_jup = 3.482 
[ 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 8.38   n/a E2021B10 IRAS observations used: 9
diameter diameter 56.309 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.853 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1980) Icarus 43, 20-32.]
[Armstrong, J.C.; Nellermoe, B.L.; Reitzler, L.E. (1996) I.A.P.P.P. Comm. 63, 59-68.]
[Ditteon, R.; Hawkins, S. (2007) Minor Planet Bull. 34, 59-64.]
[Pilcher, F. (2014) Minor Planet Bull. 41, 81-82.]
[Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.228   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.861   0.014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=7.07, mean=13.95, max.=20.81) deg.
U-B UB 0.434   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=7.07, mean=13.95, max.=20.81) 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 S   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)

67 Asia (A861 HA)          Discovered 1861-Apr-17 by Pogson, N. R. at Madras
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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