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

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09207045498518804 4.0705e-08  
a 3.756150031039127 2.3096e-08 au
q 3.410319588688726 1.5127e-07 au
i 9.731319434648311 4.1768e-06 deg
node 156.6653729128672 2.3657e-05 deg
peri 220.6121440786706 3.1381e-05 deg
M 213.0412154769663 2.2158e-05 deg
tp 2459685.940129503772
(2022-Apr-16.44012950)
0.00016824 TDB
period 2658.966239341154
7.28
2.4524e-05
6.714e-08
d
yr
n .1353909631019617 1.2487e-09 deg/d
Q 4.101980473389528 2.5222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2754  
   data-arc span      32708 days (89.55 yr)  
   first obs. used      1930-01-28  
   last obs. used      2019-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45876  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:15:20  

Additional Information
 Earth MOID = 2.41779 au 
 Jupiter MOID = 1.3821 au 
 T_jup = 3.053 
[ 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 9.9   n/a MPO435706  
diameter diameter 56.337 km 0.501 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 648. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pilcher, F. (2018) Minor Planet Bull. 45, 335-336.]
geometric albedo albedo 0.061   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
B-V BV 0.706   0.055 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.76, mean=9.86, max.=9.96) deg.
U-B UB 0.249   0.025 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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