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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09513612470411872 5.1091e-08  
a 3.750746872791911 3.5477e-08 AU
q 3.393915350568396 2.0509e-07 AU
i 9.742558612499099 5.9097e-06 deg
node 156.7294340723813 3.0223e-05 deg
peri 220.9759960275472 4.0359e-05 deg
M 355.335755443558 2.688e-05 deg
tp 2457034.875883845405
(2015-Jan-12.37588385)
0.00019815 JED
period 2653.230986195532
7.26
3.7644e-05
1.031e-07
d
yr
n .1356836256899759 1.9251e-09 deg/d
Q 4.107578395015425 3.8852e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1403  
   data-arc span      30991 days (84.85 yr)  
   first obs. used      1930-03-29  
   last obs. used      2015-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52778  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 13:33:47  

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 LCDB (Rev. 2015-May); Warner et al., 2009 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
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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