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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951327388746922 3.4552e-08  
a 2.182729330668454 4.2594e-09 au
q 1.756807378152995 7.5277e-08 au
i 1.614409847020404 2.8544e-06 deg
node 119.3405059700325 0.00013372 deg
peri 221.6795259096269 0.00013393 deg
M 84.91714388367276 7.2634e-06 deg
tp 2458722.662328067799
(2019-Aug-27.16232807)
2.3691e-05 TDB
period 1177.872421529051
3.22
3.4478e-06
9.44e-09
d
yr
n .3056358171054444 8.9464e-10 deg/d
Q 2.608651283183913 5.0906e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2637  
   data-arc span      42473 days (116.28 yr)  
   first obs. used      1903-09-25  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:38:36  

Additional Information
 Earth MOID = .748739 au 
 Jupiter MOID = 2.78244 au 
 T_jup = 3.654 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456770.5 (2014-Apr-23.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .194945989946727 3.4519e-08  
q 1.757828543916805 7.5212e-08 au
tp 2456367.129024274865
(2013-Mar-15.62902428)
2.4343e-05 TDB
node 119.3525546918098 0.00013377 deg
peri 221.7345019860074 0.00013399 deg
i 1.61383841772825 2.853e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2637  
   data-arc span      42473 days (116.28 yr)  
   first obs. used      1903-09-25  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42452  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:38:36  

Additional Information
 Jupiter MOID = 2.78244 au 
 T_jup = 3.654 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.19154994117429E-15 -2.59350364237475E-15 2.325403136412126E-13 1.830301840804407E-15 5.861944354315064E-14 -5.777851323479018E-16
q -2.59350364237475E-15 5.656882910264132E-15 -5.271060149037881E-13 -3.85796031493559E-15 -1.333153105776581E-13 1.282160959242015E-15
tp 2.325403136412126E-13 -5.271060149037881E-13 5.926058979987825E-10 -4.859902119908776E-12 2.000542602007011E-10 -2.92000314867462E-13
node 1.830301840804407E-15 -3.85796031493559E-15 -4.859902119908776E-12 1.789508116213558E-8 -1.788931780671829E-8 9.500712531386794E-11
peri 5.861944354315064E-14 -1.333153105776581E-13 2.000542602007011E-10 -1.788931780671829E-8 1.795361977631297E-8 -9.50656300997653E-11
i -5.777851323479018E-16 1.282160959242015E-15 -2.92000314867462E-13 9.500712531386794E-11 -9.50656300997653E-11 8.139365668181386E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO502178  
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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