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2523 Ryba (1980 PV)
Classification: Main-belt Asteroid          SPK-ID: 2002523
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03569834685711626 1.1982e-08  
a 3.015981682286473 1.2377e-08 au
q 2.908316122077502 3.5748e-08 au
i 8.888545497396841 2.5996e-07 deg
node 282.7265360688475 5.5008e-06 deg
peri 279.211018229282 3.6531e-05 deg
M 41.00871526282022 3.4022e-05 deg
tp 2459178.570943263090
(2020-Nov-25.07094326)
0.00018081 TDB
period 1913.116758778756
5.24
1.1776e-05
3.224e-08
d
yr
n .1881746100169062 1.1583e-09 deg/d
Q 3.123647242495445 1.2819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2706  
   data-arc span      25349 days (69.40 yr)  
   first obs. used      1952-01-31  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41358  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 21:45:05  

Additional Information
 Earth MOID = 1.92068 au 
 Jupiter MOID = 1.957 au 
 T_jup = 3.229 
[ 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 11.39   n/a MPCxxxxx  
diameter diameter 17.353 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.390 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.199   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2523 Ryba (1980 PV)          Discovered 1980-Aug-06 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1980 PV = 1952 DW1 = 1977 UL = 1978 EO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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