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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2451015824551708 5.959e-08  
a 2.349120565347881 1.7682e-08 AU
q 1.77334739740313 1.4387e-07 AU
i 23.07209107321463 6.4001e-06 deg
node 80.01563276029854 1.5475e-05 deg
peri 241.4437974862599 2.1225e-05 deg
M 340.1806343585447 2.0566e-05 deg
tp 2457072.900845239696
(2015-Feb-19.40084524)
7.5489e-05 JED
period 1315.09276118166
3.60
1.4848e-05
4.065e-08
d
yr
n .2737449483613053 3.0907e-09 deg/d
Q 2.924893733292631 2.2016e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      14272 days (39.07 yr)  
   first obs. used      1975-07-16  
   last obs. used      2014-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48531  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:51:04  

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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]

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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