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27700 (1982 SW3)
Classification: Main-belt Asteroid          SPK-ID: 2027700
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198149245890916 3.2958e-08  
a 2.159016478300146 6.4838e-09 au
q 1.684432433935993 7.0475e-08 au
i 5.823962466529711 3.5316e-06 deg
node 202.2308710613438 3.1829e-05 deg
peri 176.7404612068338 3.321e-05 deg
M 323.8603494980832 1.3629e-05 deg
tp 2459116.822522085751
(2020-Sep-24.32252209)
4.4285e-05 TDB
period 1158.730296759492
3.17
5.2197e-06
1.429e-08
d
yr
n .31068489449769 1.3995e-09 deg/d
Q 2.633600522664298 7.9091e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1929  
   data-arc span      13769 days (37.70 yr)  
   first obs. used      1982-09-28  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:35:24  

Additional Information
 Earth MOID = .686746 au 
 Jupiter MOID = 2.82757 au 
 T_jup = 3.660 
[ 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 14.4   n/a MPO474127  
diameter diameter 2.931 km 0.510 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 9.997 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.405   0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

27700 (1982 SW3)          Discovered 1982-Sep-28 by Gibson, J. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1982 SW3 = 1982 UN1 = 1982 VB10 = 1982 VT10 = 1997 LB7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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