Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08962326724537591 4.0905e-08  
a 3.769447391940885 2.2558e-08 au
q 3.431617200965581 1.5443e-07 au
i 9.736647096832538 4.1327e-06 deg
node 156.4069125999572 2.3587e-05 deg
peri 219.0407348302458 3.1472e-05 deg
M 268.8259557434395 2.2818e-05 deg
tp 2459677.492216098411
(2022-Apr-07.99221610)
0.00017257 TDB
period 2673.098465497661
7.32
2.3996e-05
6.57e-08
d
yr
n .1346751736408548 1.209e-09 deg/d
Q 4.107277582916187 2.458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2794  
   data-arc span      32740 days (89.64 yr)  
   first obs. used      1930-01-28  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:46:57  

Additional Information
 Earth MOID = 2.43882 au 
 Jupiter MOID = 1.37464 au 
 T_jup = 3.051 
[ 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-August); 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 09:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin