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6255 Kuma (1994 XT)
Classification: Main-belt Asteroid          SPK-ID: 2006255
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03420938449638398 4.0576e-08  
a 2.740756484513229 1.3228e-08 au
q 2.646996892123558 1.102e-07 au
i 5.127588711444014 4.168e-06 deg
node 275.3078295850713 5.1283e-05 deg
peri 195.8418803586142 8.371e-05 deg
M 251.6719445072688 6.7795e-05 deg
tp 2459499.203652633680
(2021-Oct-11.70365263)
0.00031309 TDB
period 1657.311341291192
4.54
1.1998e-05
3.285e-08
d
yr
n .2172192943056362 1.5726e-09 deg/d
Q 2.834516076902899 1.3681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2138  
   data-arc span      16342 days (44.74 yr)  
   first obs. used      1975-11-07  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:37:50  

Additional Information
 Earth MOID = 1.66412 au 
 Jupiter MOID = 2.22125 au 
 T_jup = 3.343 
[ 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 12.9   n/a MPO347575  
diameter diameter 16.955 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.70 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2007) Minor Planet Bull. 34, 8-10.]
geometric albedo albedo 0.060   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6255 Kuma (1994 XT)          Discovered 1994-Dec-05 by Nakamura, A. at Kuma Kogen
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1994 XT = 1975 VJ8 = 1981 DV3 = 1986 EB2 = 1988 SU4 = 1989 WP3 = 1992 OL1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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