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2079 Jacchia (1976 DB)
Classification: Main-belt Asteroid          SPK-ID: 2002079
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07895941951553778 4.3598e-08  
a 2.59829337947702 1.2078e-08 au
q 2.393133642502449 1.1043e-07 au
i 13.25983091990027 5.3108e-06 deg
node 352.9668295575576 1.7178e-05 deg
peri 145.7356398186654 3.4077e-05 deg
M 221.0607551466758 2.9827e-05 deg
tp 2459590.909232745198
(2022-Jan-11.40923275)
0.00012749 TDB
period 1529.786087528071
4.19
1.0667e-05
2.92e-08
d
yr
n .2353270192054837 1.6409e-09 deg/d
Q 2.80345311645159 1.3032e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2568  
   data-arc span      24079 days (65.92 yr)  
   first obs. used      1953-12-31  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37177  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:11:59  

Additional Information
 Earth MOID = 1.41431 au 
 Jupiter MOID = 2.20163 au 
 T_jup = 3.374 
[ 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 12.6   n/a MPO302073  
diameter diameter 8.939 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.941 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Marchini, A.; Bucalo, E.; Cocchiarella, D.; Nardi, B.; et al. (2018) Minor Planet Bull. 45, 276-277.]
[Ditteon, R. (2019) Minor Planet Bull. 46, 127-129.]
geometric albedo albedo 0.221   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2079 Jacchia (1976 DB)          Discovered 1976-Feb-23 by Harvard College at Agassiz Station
Discovered at Oak Ridge Observatory (until 1981 Harvard College's Agassiz Station). The principal observers are R. E. McCrosky, C.-Y. Shao, G. Schwartz, and J. H. Bulger, with some assistance from others.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1976 DB = 1972 GH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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