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1144 Oda (1930 BJ)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001144
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09513612278807688 5.1204e-08  
a 3.750746877443496 4.3236e-08 AU
q 3.393915361964035 2.0801e-07 AU
i 9.742559226939136 6.0391e-06 deg
node 156.7294276762041 3.344e-05 deg
peri 220.97600553 4.542e-05 deg
M 355.3357511870088 3.454e-05 deg
tp 2457034.875915280487
(2015-Jan-12.37591528)
0.00025481 JED
period 2653.23099113124
7.26
4.5876e-05
1.256e-07
d
yr
n .1356836254375686 2.3461e-09 deg/d
Q 4.107578392922956 4.7349e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1269  
   data-arc span      30774 days (84.25 yr)  
   first obs. used      1930-03-29  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54387  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 11:58:04  

Additional Information
 Earth MOID = 2.40247 AU 
 T_jup = 3.053 
[ 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 9.9 mag n/a MPO265962  
diameter diameter 57.59 km 2.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 23
rotation period rot_per 14.4 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.0533   0.004 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 23
B-V BV .706 mag .055 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=9.76, mean=9.86, max.=9.96) deg.
U-B UB .249 mag .025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=9.76, mean=9.86, max.=9.96) deg.
Tholen spectral type spec_T D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1144 Oda (1930 BJ)          Discovered 1930-Jan-28 by Reinmuth, K. at Heidelberg (024)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1930 BJ = 1959 CJ = 1967 EV 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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