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957 Camelia (A921 RF)
Classification: Main-belt Asteroid          SPK-ID: 2000957
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08055778685800369 3.2651e-08  
a 2.923951919671356 1.1232e-08 au
q 2.68840482414342 9.4578e-08 au
i 14.76126433730162 3.8076e-06 deg
node 232.7832802923236 1.3926e-05 deg
peri 224.5732492769298 2.7385e-05 deg
M 199.156642696009 2.5064e-05 deg
tp 2459816.432808119283
(2022-Aug-24.93280812)
0.00012856 TDB
period 1826.222828511262
5.00
1.0522e-05
2.881e-08
d
yr
n .1971281896051383 1.1358e-09 deg/d
Q 3.159499015199291 1.2136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3023  
   data-arc span      36214 days (99.15 yr)  
   first obs. used      1921-09-07  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:24:00  

Additional Information
 Earth MOID = 1.72339 au 
 Jupiter MOID = 2.18368 au 
 T_jup = 3.225 
[ 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 9.9   n/a MPO302064  
diameter diameter 91.548 km 0.450 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 150. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Warner, B.D. (2010) Minor Planet Bull. 37, 127-130.]
geometric albedo albedo 0.025   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

957 Camelia (A921 RF)          Discovered 1921-Sep-07 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 A921 RF = 1932 AG = 1958 BM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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