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85629 (1998 KW5)
Classification: Outer Main-belt Asteroid          SPK-ID: 2085629
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858006887308056 5.5422e-08  
a 3.220779986305269 2.704e-08 au
q 2.622356846599356 1.7692e-07 au
i 14.25566941778117 5.8659e-06 deg
node 228.0083518177182 2.5454e-05 deg
peri 70.88381291005842 3.1443e-05 deg
M 224.1086682823922 2.253e-05 deg
tp 2459797.446686184880
(2022-Aug-05.94668618)
0.00013817 TDB
period 2111.251714147284
5.78
2.6588e-05
7.279e-08
d
yr
n .1705149592479553 2.1473e-09 deg/d
Q 3.819203126011183 3.2064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:39:00  

Additional Information
 Earth MOID = 1.64964 au 
 Jupiter MOID = 1.54779 au 
 T_jup = 3.114 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO385350  

85629 (1998 KW5)          Discovered 1998-May-24 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 KW5 = 1999 NL54 = 2006 UZ357 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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