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97 Klotho (A868 DB)
Classification: Main-belt Asteroid          SPK-ID: 2000097
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 103 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2573495947142115 8.7538e-09  
a 2.668667945132806 4.1509e-09 au
q 1.981887331026071 2.3088e-08 au
i 11.77858650187937 1.5216e-06 deg
node 159.6171585593332 1.7146e-06 deg
peri 268.6377847869146 6.3359e-06 deg
M 86.68333116267763 5.4681e-06 deg
tp 2458817.081267408122
(2019-Nov-29.58126741)
2.4141e-05 TDB
period 1592.356245216689
4.36
3.7152e-06
1.017e-08
d
yr
n .2260800628511435 5.2748e-10 deg/d
Q 3.355448559239541 5.2192e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3140  
   data-arc span      55014 days (150.62 yr)  
   first obs. used      1870-07-23  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46633  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:17:22  

Additional Information
 Earth MOID = 1.03585 au 
 Jupiter MOID = 2.12173 au 
 T_jup = 3.305 
[ 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 7.83   n/a E2021B10 IRAS observations used: 18
diameter diameter 100.717 km 0.641 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 35.15 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1983) Icarus 54, 59-109.]
[Lagerkvist, C.I.; Magnusson, P.; Williams, I.P.; Buontempo, M.E.; et al. (1988) Astron. Astrophys. Suppl. Ser. 73, 395-405.]
[Lagerkvist, C.-I.; Erikson, A.; Debehogne, H.; Festin, L.; et al. (1995) Astron. Astrophys. Suppl. Ser. 113, 115-129.]
[Piironen, J.; Magnusson, P.; Lagerkvist, C.-I.; Williams, I.P.; et al. (1997) Astron. Astrophys. Suppl. Ser. 121, 489-497.]
[Lagerkvist, C.-I.; Bel'skaya, I.; Erikson, A.; Schevchenko, V.; et al. (1998) Astron. Astrophys. Suppl. Ser. 131, 55-62.]
[Tungalag, N.; Shevchenko, V.G.; Lupishko, D.F. (2002) Kin. Fiz. Neb. Tel 18, 508-516; Kinematics and Physics of Celestial Bodies 18, ???-???.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Hanus, J.; Marchis, F.; Durech, J. (2013) Icarus 226, 1045-1057.]
geometric albedo albedo 0.128   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
B-V BV 0.716   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=8.26, mean=18.39, max.=23.78) deg.
U-B UB 0.226   0.019 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #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 (A868 DB)          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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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