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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457104.5 (2015-Mar-23.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03740063729581172 1.2165e-08  
q 2.905230727943211 3.6303e-08 au
tp 2457253.814257604505
(2015-Aug-19.31425760)
0.00017193 TDB
node 282.774574236449 5.4993e-06 deg
peri 277.2183580857358 3.469e-05 deg
i 8.888708115862025 2.5983e-07 deg
  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
 Jupiter MOID = 1.957 au 
 T_jup = 3.229 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.479904250740872E-16 -4.181617238203264E-16 -5.259495560442192E-13 4.474603537405221E-14 -1.523748800843204E-13 -1.120862262554814E-15
q -4.181617238203264E-16 1.317888905140549E-15 1.464445962554934E-12 -1.396900564784757E-13 4.405645454789387E-13 3.574318741209229E-15
tp -5.259495560442192E-13 1.464445962554934E-12 2.955951033113166E-8 -2.570323488413379E-11 5.886992489167966E-9 -1.234909678592369E-11
node 4.474603537405221E-14 -1.396900564784757E-13 -2.570323488413379E-11 3.024264382198617E-11 -3.544896195793098E-11 -6.791516200311206E-13
peri -1.523748800843204E-13 4.405645454789387E-13 5.886992489167966E-9 -3.544896195793098E-11 1.203419380553419E-9 -1.688852855206678E-12
i -1.120862262554814E-15 3.574318741209229E-15 -1.234909678592369E-11 -6.791516200311206E-13 -1.688852855206678E-12 6.751049097194672E-14

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

[ show close-approach data ]
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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