Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 136 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .206414049618614 3.9782e-08  
a 2.616996841314498 5.6379e-09 AU
q 2.076811925459651 1.0556e-07 AU
i 5.171525887157163 4.7955e-06 deg
node 143.5611407559759 4.7994e-05 deg
peri 313.4403417538466 4.8654e-05 deg
M 51.64019499577721 8.1653e-06 deg
tp 2456778.686181973801
(2014-May-01.18618197)
3.4769e-05 JED
period 1546.33371341765
4.23
4.997e-06
1.368e-08
d
yr
n .2328087377751994 7.5232e-10 deg/d
Q 3.157181757169344 6.8016e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1601  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      54419 days (148.99 yr)  
   first obs. used      1866-01-01  
   last obs. used      2014-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55656  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-07 23:42:39  

Additional Information
 Earth MOID = 1.09738 AU 
 T_jup = 3.370 
[ 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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jan-25 20:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin