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632 Pyrrha (A907 GY)
Classification: Main-belt Asteroid          SPK-ID: 2000632
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907444761803882 1.5963e-08  
a 2.664793353524022 6.7419e-09 au
q 2.156498741177102 4.3408e-08 au
i 2.215261881245072 3.6332e-07 deg
node 356.4527402900282 1.441e-05 deg
peri 253.0575906656159 1.6695e-05 deg
M 36.33110631119634 3.661e-06 deg
tp 2459040.149671678833
(2020-Jul-09.64967168)
1.6073e-05 TDB
period 1588.889633614887
4.35
6.0298e-06
1.651e-08
d
yr
n .2265733203765468 8.5984e-10 deg/d
Q 3.173087965870942 8.0279e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3468  
   data-arc span      41468 days (113.53 yr)  
   first obs. used      1907-04-06  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42492  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:12:23  

Additional Information
 Earth MOID = 1.14228 au 
 Jupiter MOID = 1.87314 au 
 T_jup = 3.357 
[ 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 11.47   n/a E2021B10  
diameter diameter 14.419 km 0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.1167 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2011) Minor Planet Bull. 38, 156-158.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.195   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

632 Pyrrha (A907 GY)          Discovered 1907-Apr-05 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A907 GY = A911 FC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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