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27958 Giussano (1997 RP9)
Classification: Main-belt Asteroid          SPK-ID: 2027958
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082882185417018 4.3337e-08  
a 2.433345218469913 8.5504e-09 au
q 1.926508077817846 1.0788e-07 au
i 2.612955400280304 4.1292e-06 deg
node 163.2395030663615 8.4035e-05 deg
peri 216.9998312442359 8.4461e-05 deg
M 335.2804188105553 1.096e-05 deg
tp 2459095.701244246434
4.2528e-05 TDB
period 1386.449376551353
n .259656072618722 1.3686e-09 deg/d
Q 2.940182359121979 1.0331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1120  
   data-arc span      11904 days (32.59 yr)  
   first obs. used      1986-11-28  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57001  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:13:27  

Additional Information
 Earth MOID = .929726 au 
 Jupiter MOID = 2.51916 au 
 T_jup = 3.475 
[ 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 15.0   n/a MPO493037  
diameter diameter 2.703 km 0.336 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 7.43 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.319   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

27958 Giussano           Discovered 1997 Sept. 9 by V. Giuliani at Sormano.
Giussano, a town in the heart of Brianza, is famous for its furniture design companies. Among the town's historical monuments and villas is the Villa Sartirana, recently renovated. Home to the local library, this villa hosts in its decorated halls cultural events, including some aimed at astronomical popularization.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100726/MPCPages.arcLast Updated: 2010-07-28

Alternate Designations
 1997 RP9 = 1986 WB7 = 1995 CL4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
FirstGov 2020-Jun-02 20:43 UT
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