Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03607388029472133 4.3902e-08  
a 3.017078282966947 1.4327e-08 au
q 2.908240562147394 1.3856e-07 au
i 8.888456822697318 4.0846e-06 deg
node 282.7307257830025 2.5929e-05 deg
peri 279.006313297347 6.6002e-05 deg
M 326.6960471316855 6.1592e-05 deg
tp 2459177.580841683471
(2020-Nov-24.08084168)
0.00032767 TDB
period 1914.160257736267
5.24
1.3635e-05
3.733e-08
d
yr
n .1880720271696294 1.3397e-09 deg/d
Q 3.1259160037865 1.4844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2487  
   data-arc span      24968 days (68.36 yr)  
   first obs. used      1952-01-31  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:46:06  

Additional Information
 Earth MOID = 1.92018 au 
 Jupiter MOID = 1.95711 au 
 T_jup = 3.228 
[ 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 11.3   n/a MPO384773  
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. 2019-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1939-Jan-16 11:06 00:02 Jupiter 1.98675214526255 1.98675163528955 1.986752655236 3.48246600254857 3.3578116259474 2429279.962773862 1.62891619733575 129.402696165838 18.3881484392833 -88.5918155283564 2924440.10431853 T 32 CATAB v2.0f-lin.ifort 2020-Jun-23 15:46:20 2020-Jun-23 15:46
1976-Nov-12 03:31 < 00:01 Jupiter 1.97034039448981 1.97034001807685 1.97034077090278 3.622946019619 3.50227998374978 2443094.646207724 0.844993162632562 59.3171062834833 14.9098213650059 -82.3813332840218 4023588.70577298 T 32 CATAB v2.0f-lin.ifort 2020-Jun-23 15:46:20 2020-Jun-23 15:46
2023-Oct-09 00:08 < 00:01 Jupiter 1.95116331329751 1.95116287524507 1.95116375134995 3.15496124986701 3.01422583808068 2460226.505506648 0.279693421094291 39.6425653204715 14.9016250162768 -72.3279038243846 3426573.72957138 T 32 CATAB v2.0f-lin.ifort 2020-Jun-23 15:46:20 2020-Jun-23 15:46
2070-Aug-27 01:16 00:01 Jupiter 1.95119579587564 1.95119533445305 1.95119625729823 2.87225409602175 2.71691644344629 2477350.552508034 1.34513583134635 70.5463974438866 15.837435105198 -82.7629112930244 3240200.47400182 T 32 CATAB v2.0f-lin.ifort 2020-Jun-23 15:46:20 2020-Jun-23 15:46
2117-Jul-14 08:40 00:02 Jupiter 1.97523451198219 1.97523404000657 1.97523498395826 3.01586146104195 2.87015293478748 2494472.861407708 2.4227061112721 171.062090023753 16.9596427337607 -89.9464340917077 3135293.83306271 T 32 CATAB v2.0f-lin.ifort 2020-Jun-23 15:46:20 2020-Jun-23 15:46
2155-Apr-27 11:05 00:03 Jupiter 1.99443754933329 1.99443683889935 1.99443825977143 4.08883676325962 3.98361660179811 2508273.961678980 2.91977353523079 178.887896851753 17.4463055433593 82.5560750537369 3948317.31374187 T 32 CATAB v2.0f-lin.ifort 2020-Jun-23 15:46:20 2020-Jun-23 15:46

Alternate Designations
 1980 PV = 1952 DW1 = 1977 UL = 1978 EO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-20 21:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin