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437 Rhodia (1898 DP)
Classification: Main-belt Asteroid          SPK-ID: 2000437
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 75 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2480544569594584 3.8052e-08  
a 2.387100215614991 9.0792e-09 AU
q 1.794969367922809 9.0275e-08 AU
i 7.344242576001089 5.1609e-06 deg
node 263.266743108318 3.5119e-05 deg
peri 61.90176268065749 3.6244e-05 deg
M 194.9153686250948 1.0555e-05 deg
tp 2457618.244017824836
(2016-Aug-17.74401782)
4.1314e-05 JED
period 1347.114171469424
3.69
7.6855e-06
2.104e-08
d
yr
n .2672379280275213 1.5246e-09 deg/d
Q 2.979231063307175 1.1331e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1336  
   data-arc span      42271 days (115.73 yr)  
   first obs. used      1898-07-20  
   last obs. used      2014-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58588  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:11:38  

Additional Information
 Earth MOID = .797543 AU 
 T_jup = 3.481 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.41 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
diameter diameter 13.12 km 0.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
rotation period rot_per 56. h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
geometric albedo albedo 0.7035   0.084 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
B-V BV .730 mag .030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=7.39 deg.

437 Rhodia (1898 DP)          Discovered 1898-Jul-16 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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