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7055 (1989 KB)
Classification: Main-belt Asteroid          SPK-ID: 2007055
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2451015858040215 5.9556e-08  
a 2.34912056712781 1.7654e-08 AU
q 1.773347390879941 1.4382e-07 AU
i 23.0720911356806 6.3995e-06 deg
node 80.01563333411531 1.5446e-05 deg
peri 241.443798295185 2.1206e-05 deg
M 340.1806317971693 2.0516e-05 deg
tp 2457072.900854678778
(2015-Feb-19.40085468)
7.5303e-05 JED
period 1315.092762676329
3.60
1.4824e-05
4.059e-08
d
yr
n .2737449480501805 3.0858e-09 deg/d
Q 2.924893743375678 2.1981e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      996  
   data-arc span      14300 days (39.15 yr)  
   first obs. used      1975-07-16  
   last obs. used      2014-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48616  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:19:36  

Additional Information
 Earth MOID = .852762 AU 
 T_jup = 3.414 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9 mag n/a PDS3 (MPC 27437)  
rotation period rot_per 4.16845 h n/a LCDB (Rev. 2015-July); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2007) Minor Planet Bul. 34, 102-103.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2007) http://www.asu.cas.cz/~ppravec/neo.htm]

7055 (1989 KB)          Discovered 1989-May-31 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 KB = 1979 YB4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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