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JPL Small-Body Database Browser
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2961 Katsurahama (1982 XA)
Classification: Main-belt Asteroid          SPK-ID: 2002961
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .137406653234758 3.2377e-08  
a 2.267965078811701 5.7096e-09 au
q 1.95633158767888 7.4694e-08 au
i 4.547295356148542 3.6083e-06 deg
node 221.0528172999371 4.3273e-05 deg
peri 196.6153654083141 4.52e-05 deg
M 354.0099850334896 1.4085e-05 deg
tp 2459021.257659246750
(2020-Jun-20.75765925)
4.884e-05 TDB
period 1247.535669044136
3.42
4.711e-06
1.29e-08
d
yr
n .2885689034252886 1.0897e-09 deg/d
Q 2.57959856994452 6.4942e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2345  
   data-arc span      28560 days (78.19 yr)  
   first obs. used      1941-11-16  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47064  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:35:26  

Additional Information
 Earth MOID = .968722 au 
 Jupiter MOID = 2.73612 au 
 T_jup = 3.598 
[ 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 13.0   n/a MPO435725  
diameter diameter 5.745 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 2.936 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2000) Minor Planet Bull. 27, 20-21.]
[Warner, B.D. (2011) Minor Planet Bull. 38, 63-65.]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
geometric albedo albedo 0.338   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2961 Katsurahama (1982 XA)          Discovered 1982-Dec-07 by Seki, T. at Geisei
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 XA = 1941 WZ = 1951 UD = 1968 QH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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