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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .245019475027182 4.7171e-08  
a 2.348721239939873 1.4599e-08 au
q 1.773238794744613 1.0992e-07 au
i 23.07268079423251 6.2495e-06 deg
node 80.01077422123215 1.323e-05 deg
peri 241.4096700072024 1.9991e-05 deg
M 89.72648323833499 1.8533e-05 deg
tp 2457072.809549703842
(2015-Feb-19.30954970)
6.6835e-05 JED
period 1314.757447845851
3.60
1.2258e-05
3.356e-08
d
yr
n .2738147637724646 2.553e-09 deg/d
Q 2.924203685135132 1.8176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1123  
   data-arc span      14765 days (40.42 yr)  
   first obs. used      1975-07-16  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48051  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:02:27  

Additional Information
 Earth MOID = .849904 au 
 Jupiter MOID = 2.50893 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-December); 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]
[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
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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