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JPL Small-Body Database Browser
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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 ]

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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08055777040925709 3.507e-08  
a 2.923951916035147 1.2751e-08 au
q 2.68840486889548 9.984e-08 au
i 14.76126322634197 4.5403e-06 deg
node 232.7832754363772 1.4316e-05 deg
peri 224.5732446529248 3.0376e-05 deg
M 199.156652944928 2.7094e-05 deg
tp 2459816.432754606111
(2022-Aug-24.93275461)
0.00013787 TDB
period 1826.222825104643
5.00
1.1946e-05
3.271e-08
d
yr
n .1971281899728594 1.2895e-09 deg/d
Q 3.159498963174814 1.3778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2566  
   data-arc span      35773 days (97.94 yr)  
   first obs. used      1921-09-07  
   last obs. used      2019-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4439  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:13:38  

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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