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53 Kalypso
Classification: Main-belt Asteroid          SPK-ID: 2000053
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 143 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2060989864747413 3.706e-08  
a 2.616695589221748 5.298e-09 au
q 2.07739728037022 9.7944e-08 au
i 5.17165118492204 4.4711e-06 deg
node 143.5611796237199 4.6828e-05 deg
peri 313.364446020636 4.75e-05 deg
M 191.4635864130011 8.3676e-06 deg
tp 2458324.301498040470
(2018-Jul-24.80149804)
3.7098e-05 JED
period 1546.066714894602
4.23
4.6955e-06
1.286e-08
d
yr
n .2328489427602365 7.0717e-10 deg/d
Q 3.155993898073277 6.39e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1808  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      54883 days (150.26 yr)  
   first obs. used      1866-01-01  
   last obs. used      2016-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54977  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:25:02  

Additional Information
 Earth MOID = 1.09657 au 
 Jupiter MOID = 2.0392 au 
 T_jup = 3.371 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.81 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12
diameter diameter 115.38 km 2.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12
rotation period rot_per 9.036 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Pilcher, F.; Pray, D.P. (2010) Minor Planet Bul. 37, 75-76.]
[Pilcher, F. (2011) Minor Planet Bul. 38, 206-208.]
geometric albedo albedo 0.0397   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 12
B-V BV .705 mag .023 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=7; phase (min.=3.20, mean=10.87, max.=26.64) deg.
U-B UB .318 mag .015 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=7; phase (min.=3.20, mean=10.87, max.=26.64) deg.
Tholen spectral type spec_T XC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

53 Kalypso          Discovered 1858-Apr-04 by Luther, R. at Dusseldorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1951 CD2 = 1951 CE2 = 1972 JB = A917 BD 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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