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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 ]

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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 135 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850449985432883 2.0504e-08  
a 2.421295521841726 4.2545e-09 au
q 1.973246895529653 5.0704e-08 au
i 6.028877960812518 3.0535e-07 deg
node 202.410749535921 2.3925e-06 deg
peri 106.9068247233318 4.4437e-06 deg
M 75.58502062518259 3.333e-06 deg
tp 2458911.562866282684
(2020-Mar-03.06286628)
1.2622e-05 TDB
period 1376.163785864978
3.77
3.6271e-06
9.93e-09
d
yr
n .2615967690021173 6.8948e-10 deg/d
Q 2.869344148153798 5.0418e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3216  
   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      .45804  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:48:30  

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 ]

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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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