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2316 Jo-Ann (1980 RH)
Classification: Main-belt Asteroid          SPK-ID: 2002316
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1669138438261295 4.5994e-08  
a 2.451003210771797 1.2715e-08 AU
q 2.041896843631692 1.1467e-07 AU
i 1.816981984496367 6.2939e-06 deg
node 148.6854582650982 0.0001599 deg
peri 147.5135730962964 0.00016114 deg
M 308.5126166672129 2.0436e-05 deg
tp 2457000.953003189077
(2014-Dec-09.45300319)
7.9993e-05 JED
period 1401.568238215643
3.84
1.0906e-05
2.986e-08
d
yr
n .2568551356859522 1.9987e-09 deg/d
Q 2.860109577911903 1.4837e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1480  
   data-arc span      29681 days (81.26 yr)  
   first obs. used      1933-03-22  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50723  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:02:27  

Additional Information
 Earth MOID = 1.02551 AU 
 T_jup = 3.476 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8 mag n/a MPO263366  
SMASSII spectral type spec_B C   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)

2316 Jo-Ann (1980 RH)          Discovered 1980-Sep-02 by Bowell, E. at Flagstaff (AM) (688)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1980 RH = 1930 QU = 1933 FS = 1968 KS = 1971 DE = 1972 LV = 1975 FO = 1976 OD1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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