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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1926-Jul-05 11:50 00:04 Iris 0.0241427540316281 0.0241345413907725 0.0241509667110414 2.2244803643775 2.22448025733466 2424701.993362587 4.29889705000887 411.764963176797 19.4956922451042 -6.78487957619026 23510.3234298778 T 20 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:40 2020-Jun-23 19:35
2062-Nov-04 07:13 00:04 Iris 0.0179238230466866 0.0179193348725861 0.0179283116811787 2.09464053850088 2.09464038538053 2474497.800375526 3.69547707721834 265.399135957395 17.1118055105066 32.7685247418299 85063.4596615299 T 20 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:40 2020-Jun-23 19:35
2199-Mar-25 00:27 00:13 Iris 0.0215515681600162 0.0215355865815316 0.0215675542513869 2.08286472810561 2.08286460003982 2524311.518426266 12.9815123287357 934.64265501878 16.4014823696144 31.681822198892 103071.142701423 T 20 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:40 2020-Jun-23 19:35

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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