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
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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08822685832940487 3.7606e-08  
a 3.776491839486244 2.4428e-08 au
q 3.443303828981737 1.4347e-07 au
i 9.765541329560108 3.9358e-06 deg
node 156.2168841152538 2.2819e-05 deg
peri 217.7868899467004 3.0705e-05 deg
M 296.9765457040008 2.2549e-05 deg
tp 2459669.778821515463
(2022-Mar-31.27882152)		 0.00017037 TDB
period 2680.595305869982
7.34		 2.6009e-05
7.121e-08		 d
yr
n .1342985266040234 1.303e-09 deg/d
Q 4.10967984999075 2.6583e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3072  
   data-arc span      33174 days (90.83 yr)  
   first obs. used      1930-01-28  
   last obs. used      2020-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:52:56  

Additional Information
 Earth MOID = 2.44819 au 
 Jupiter MOID = 1.36877 au 
 T_jup = 3.050 
[ 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 9.98   n/a E2021B10  
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. 2020-October); 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 2021-Feb-28 22:30 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin