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 ]  
1977 Shura (1970 QY)
Classification: Main-belt Asteroid          SPK-ID: 2001977
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 .07452455500596344 1.316e-08  
a 2.782649484392503 9.8723e-09 au
q 2.575273769830578 3.8809e-08 au
i 7.768295466442926 7.9031e-07 deg
node 332.2133143328488 7.5536e-06 deg
peri 310.1378794982944 2.3711e-05 deg
M 16.3709379272781 1.7162e-05 deg
tp 2459123.399491221250
(2020-Sep-30.89949122)
8.0945e-05 TDB
period 1695.454669955171
4.64
9.0227e-06
2.47e-08
d
yr
n .2123324240862887 1.13e-09 deg/d
Q 2.990025198954428 1.0608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2693  
   data-arc span      24331 days (66.61 yr)  
   first obs. used      1954-03-07  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:11:30  

Additional Information
 Earth MOID = 1.56529 au 
 Jupiter MOID = 2.17563 au 
 T_jup = 3.315 
[ 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 11.67   n/a E2021B10  
diameter diameter 17.211 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.461 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Albers, K.; Kragh, K.; Monnier, A.; Pligge, Z.; et al. (2010) Minor Planet Bull. 37, 152-158.]
geometric albedo albedo 0.150   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Sq   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1977 Shura (1970 QY)          Discovered 1970-Aug-30 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1970 QY = 1942 RW = 1952 UT1 = 1968 DE 
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-08 02:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin