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437 Rhodia (A898 OA)
Classification: Main-belt Asteroid          SPK-ID: 2000437
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 98 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2487532311827275 3.9128e-08  
a 2.385717390224193 6.3562e-09 au
q 1.792262480717101 9.4527e-08 au
i 7.345225107155173 3.6958e-06 deg
node 263.2094636282358 3.3023e-05 deg
peri 61.83977066882058 3.3622e-05 deg
M 9.951461643598073 8.0293e-06 deg
tp 2458963.294144592732
(2020-Apr-23.79414459)
2.9951e-05 TDB
period 1345.943784572899
3.68
5.3789e-06
1.473e-08
d
yr
n .2674703090324362 1.0689e-09 deg/d
Q 2.979172299731285 7.9373e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2761  
   data-arc span      44575 days (122.04 yr)  
   first obs. used      1898-07-20  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45993  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:16:09  

Additional Information
 Earth MOID = .79407 au 
 Jupiter MOID = 2.3964 au 
 T_jup = 3.482 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.4   n/a MPO492754 IRAS observations used: 3
diameter diameter 13.373 km 0.612 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 433.2 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pilcher, F.; Polakis, T. (2018) Minor Planet Bull. 45, 287-289.]
geometric albedo albedo 0.677   0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.730   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.39 deg.

437 Rhodia (A898 OA)          Discovered 1898-Jul-16 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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