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97 Klotho
Classification: Main-belt Asteroid          SPK-ID: 2000097
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 71 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2545722647178771 2.5919e-08  
a 2.670704500788088 6.0004e-09 AU
q 1.990817207630237 6.8809e-08 AU
i 11.78365278532534 3.475e-06 deg
node 159.7060188175663 1.6664e-05 deg
peri 268.5641733237543 1.7551e-05 deg
M 309.6827931459632 7.1146e-06 deg
tp 2457223.318480709672
(2015-Jul-19.81848071)
3.1791e-05 JED
period 1594.17936866356
4.36
5.3726e-06
1.471e-08
d
yr
n .2258215148661702 7.6105e-10 deg/d
Q 3.350591793945939 7.5279e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1754  
   data-arc span      52991 days (145.08 yr)  
   first obs. used      1870-07-23  
   last obs. used      2015-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57584  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 13:54:03  

Additional Information
 Earth MOID = 1.0448 AU 
 T_jup = 3.305 
[ 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 7.63 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 18
diameter diameter 82.83 km 4.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 18
rotation period rot_per 35.15 h n/a LCDB (Rev. 2015-July); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1983) Icarus 54, 59-109.]
geometric albedo albedo 0.2285   0.027 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 18
B-V BV .716 mag .032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=5; phase (min.=8.26, mean=18.39, max.=23.78) deg.
U-B UB .226 mag .019 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=4; phase (min.=16.72, mean=20.93, max.=23.78) deg.
Tholen spectral type spec_T M   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

97 Klotho          Discovered 1868-Feb-17 by Tempel, E. W. at Marseille
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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