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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2450719529493066 5.9679e-08  
a 2.348835185526513 1.7686e-08 AU
q 1.773201559453484 1.4402e-07 AU
i 23.07302045441324 6.4087e-06 deg
node 80.01553574276978 1.5522e-05 deg
peri 241.4698751404358 2.1252e-05 deg
M 285.4033414138677 2.0348e-05 deg
tp 2457072.954582376998
(2015-Feb-19.45458238)
7.5641e-05 JED
period 1314.853124989075
3.60
1.485e-05
4.066e-08
d
yr
n .273794839254758 3.0923e-09 deg/d
Q 2.924468811599542 2.202e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      14230 days (38.96 yr)  
   first obs. used      1975-07-16  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49127  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:16:08  

Additional Information
 Earth MOID = .851 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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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 (675)
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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