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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03447850159646979 3.2874e-08  
a 2.741578857067372 1.082e-08 au
q 2.647053326067127 9.379e-08 au
i 5.127192249741037 3.2237e-06 deg
node 275.3117157570578 4.6193e-05 deg
peri 195.4700130555927 7.594e-05 deg
M 338.0582345916026 6.0691e-05 deg
tp 2459497.557513156552
(2021-Oct-10.05751316)
0.00027955 TDB
period 1658.057319418577
4.54
9.8154e-06
2.687e-08
d
yr
n .2171215649687187 1.2853e-09 deg/d
Q 2.836104388067617 1.1193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2674  
   data-arc span      16588 days (45.42 yr)  
   first obs. used      1975-11-07  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 15:02:19  

Additional Information
 Earth MOID = 1.6645 au 
 Jupiter MOID = 2.21913 au 
 T_jup = 3.343 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.98   n/a E2021B10  
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. 2020-October); 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

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 ]
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