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 ]  
8991 Solidarity (1980 PV1)
Classification: Main-belt Asteroid          SPK-ID: 2008991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818467913228262 3.0648e-08  
a 2.787685139608015 1.2241e-08 au
q 2.280753541751973 8.7145e-08 au
i 6.788955839334578 3.8407e-06 deg
node 286.4838170921532 3.1583e-05 deg
peri 312.8112059196514 3.3619e-05 deg
M 324.1443415609338 1.2804e-05 deg
tp 2459369.824268544886
(2021-Jun-04.32426855)
6.0865e-05 TDB
period 1700.059051481369
4.65
1.1198e-05
3.066e-08
d
yr
n .2117573502439866 1.3948e-09 deg/d
Q 3.294616737464057 1.4467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2602  
   data-arc span      16655 days (45.60 yr)  
   first obs. used      1975-08-16  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44191  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:09:07  

Additional Information
 Earth MOID = 1.27328 au 
 Jupiter MOID = 1.77677 au 
 T_jup = 3.296 
[ 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 12.91   n/a MPCxxxxx  
diameter diameter 8.385 km 0.342 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.239 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.174   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8991 Solidarity           Discovered 1980 Aug. 6 at the European Southern Observatory.
Named by the Committee for Small-Body Nomenclature to honor the solidarity of people around the world with both victims and survivors of terrorist attacks like those on New York and Washington on 2001 Sept. 11, in the goal of eliminating terrorism from the world.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011002/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1980 PV1 = 1975 QB = 1979 HC1 = 1985 SD3 = 1988 FR3 = 1988 GW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-06 17:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin