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84 Klio
Classification: Main-belt Asteroid          SPK-ID: 2000084
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2366558889417819 6.7108e-08  
a 2.362086288211414 3.4333e-09 AU
q 1.803084657917547 1.5862e-07 AU
i 9.330951540043328 7.846e-06 deg
node 327.5975274306474 3.3652e-05 deg
peri 14.6473052461581 3.5332e-05 deg
M 339.3019266457546 1.3457e-05 deg
tp 2456876.737647341203
(2014-Aug-07.23764734)
4.9646e-05 JED
period 1325.995544276279
3.63
2.891e-06
7.915e-09
d
yr
n .2714941249644139 5.9193e-10 deg/d
Q 2.921087918505279 4.2458e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1179  
   data-arc span      54019 days (147.90 yr)  
   first obs. used      1865-08-30  
   last obs. used      2013-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56697  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-26 17:50:32  

Additional Information
 Earth MOID = .794869 AU 
 T_jup = 3.495 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.32 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12
diameter diameter 79.16 km 1.6 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12
rotation period rot_per 23.562 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Pilcher, F. (2008) Minor Planet Bul. 35, 71-72.]
geometric albedo albedo 0.0527   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12
B-V BV .733 mag .015 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=3; phase (min.=13.17, mean=18.01, max.=26.13) deg.
U-B UB .445 mag .049 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=2; phase (min.=13.17, mean=13.95, max.=14.74) deg.
Tholen spectral type spec_T G   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

84 Klio          Discovered 1865-Aug-25 by Luther, R. at Dusseldorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1974 VJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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