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 ]  
831 Stateira (A916 SD)
Classification: Main-belt Asteroid          SPK-ID: 2000831
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464195502458019 3.6018e-08  
a 2.211778712276725 5.1502e-09 au
q 1.887931067981928 8.0131e-08 au
i 4.836715182035307 3.6526e-06 deg
node 178.064252085875 3.8186e-05 deg
peri 225.0902413018273 3.9394e-05 deg
M 150.4383115962529 1.0041e-05 deg
tp 2458498.426976364220
(2019-Jan-14.92697636)
3.2992e-05 TDB
period 1201.464484618577
3.29
4.1965e-06
1.149e-08
d
yr
n .2996343251163911 1.0466e-09 deg/d
Q 2.535626356571522 5.9043e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2806  
   data-arc span      37953 days (103.91 yr)  
   first obs. used      1916-09-20  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:25:19  

Additional Information
 Earth MOID = .899769 au 
 Jupiter MOID = 2.85188 au 
 T_jup = 3.638 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456882.5 (2014-Aug-13.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1457422820280054 3.5942e-08  
q 1.889928222989214 7.9941e-08 au
tp 2457295.451437559741
(2015-Sep-29.95143756)
3.2392e-05 TDB
node 178.0888779589488 3.8179e-05 deg
peri 224.8428408502493 3.9406e-05 deg
i 4.835736023362414 3.6522e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2806  
   data-arc span      37953 days (103.91 yr)  
   first obs. used      1916-09-20  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:25:19  

Additional Information
 Jupiter MOID = 2.85188 au 
 T_jup = 3.638 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.291853333329768E-15 -2.868933094172294E-15 -1.480225948011703E-13 -4.025831574241643E-15 -5.395473210212992E-14 -1.400306322358479E-15
q -2.868933094172294E-15 6.390525017351037E-15 3.493797649653623E-13 8.785269633472688E-15 1.234265845475634E-13 3.164907576796024E-15
tp -1.480225948011703E-13 3.493797649653623E-13 1.049238053934374E-9 -1.772736731832094E-12 3.247723164665186E-10 -3.028764113636431E-13
node -4.025831574241643E-15 8.785269633472688E-15 -1.772736731832094E-12 1.457625068421097E-9 -1.452385564236676E-9 4.653938578546352E-11
peri -5.395473210212992E-14 1.234265845475634E-13 3.247723164665186E-10 -1.452385564236676E-9 1.552814322037695E-9 -4.646166422452316E-11
i -1.400306322358479E-15 3.164907576796024E-15 -3.028764113636431E-13 4.653938578546352E-11 -4.646166422452316E-11 1.333822092642445E-11

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 13.0   n/a MPO416712  
diameter diameter 7.218 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 861. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Polakis, T. (2019) Minor Planet Bull. 46, 78-80.]
geometric albedo albedo 0.257   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

831 Stateira (A916 SD)          Discovered 1916-Sep-20 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A916 SD = 1926 VA = 1949 SQ = 1949 UO1 = 1971 KZ = 1972 RV1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-29 15:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin