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2831 Stevin (1930 SZ)
Classification: Main-belt Asteroid          SPK-ID: 2002831
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1974616945211989 4.0527e-08  
a 2.225262842735082 7.4089e-09 au
q 1.785858671053552 9.1371e-08 au
i 4.218631029215739 3.5631e-06 deg
node 81.92804440717346 5.8241e-05 deg
peri 272.9299910227243 5.9103e-05 deg
M 6.664360457519823 1.4605e-05 deg
tp 2458978.054650139569
(2020-May-08.55465014)
4.9115e-05 TDB
period 1212.468323293913
3.32
6.0553e-06
1.658e-08
d
yr
n .2969149734336876 1.4829e-09 deg/d
Q 2.664667014416612 8.8719e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2289  
   data-arc span      32505 days (88.99 yr)  
   first obs. used      1930-09-17  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:32:10  

Additional Information
 Earth MOID = .787276 au 
 Jupiter MOID = 2.78057 au 
 T_jup = 3.617 
[ 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 12.6   n/a MPO448941  
diameter diameter 5.453 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.651   0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2831 Stevin (1930 SZ)          Discovered 1930-Sep-17 by Van Gent, H. at Johannesburg (LS)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1930 SZ = 1960 WF = 1975 BE1 = 1979 HL3 = 1980 UX = 1980 XC1 = 1982 DA1 = 1982 HX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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