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JPL Small-Body Database Browser
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84 Klio
Classification: Main-belt Asteroid          SPK-ID: 2000084
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 77 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2358436942418884 4.2069e-08  
a 2.36248979041079 3.5108e-09 au
q 1.805311470631564 9.9134e-08 au
i 9.3153473897677 4.8243e-06 deg
node 327.5144105275068 2.4963e-05 deg
peri 15.15479519616707 2.6499e-05 deg
M 107.3105593270039 1.0764e-05 deg
tp 2458205.139483732388
(2018-Mar-27.63948373)		 3.9316e-05 TDB
period 1326.335327566631
3.63		 2.9565e-06
8.094e-09		 d
yr
n .2714245730455481 6.0503e-10 deg/d
Q 2.919668110190015 4.3388e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2400  
   data-arc span      56142 days (153.71 yr)  
   first obs. used      1865-08-25  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45019  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:02:41  

Additional Information
 Earth MOID = .797648 au 
 Jupiter MOID = 2.48671 au 
 T_jup = 3.495 
[ 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 9.32   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 LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pilcher, F. (2008) Minor Planet Bull. 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 0.733   0.015 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=13.17, mean=18.01, max.=26.13) deg.
U-B UB 0.445   0.049 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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