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2580 Smilevskia (1977 QP4)
Classification: Main-belt Asteroid          SPK-ID: 2002580
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951522286002688 3.4635e-08  
a 2.182741954660104 4.3297e-09 au
q 1.756774997748878 7.5459e-08 au
i 1.61436314916666 2.9226e-06 deg
node 119.3421527863578 0.00013399 deg
peri 221.6157008136247 0.00013421 deg
M 322.707616647048 7.3032e-06 deg
tp 2458722.516808212721
(2019-Aug-27.01680821)
2.3929e-05 TDB
period 1177.882640024472
3.22
3.5047e-06
9.595e-09
d
yr
n .3056331656204055 9.0939e-10 deg/d
Q 2.60870891157133 5.1747e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2549  
   data-arc span      42432 days (116.17 yr)  
   first obs. used      1903-09-25  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43013  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:37:25  

Additional Information
 Earth MOID = .747775 au 
 Jupiter MOID = 2.77889 au 
 T_jup = 3.654 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO337269  
diameter diameter 7.234 km 1.245 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.237   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

2580 Smilevskia (1977 QP4)          Discovered 1977-Aug-18 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 QP4 = 1948 PB = 1951 LX = 1961 TJ1 = 1974 SQ4 = 1974 TX = 1974 WF1 = A903 SD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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