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74059 (1998 KJ20)
Classification: Main-belt Asteroid          SPK-ID: 2074059
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .162223958917685 4.3967e-08  
a 2.355412957698361 1.0676e-08 au
q 1.973308542814519 1.0221e-07 au
i 3.229772580480302 3.3311e-06 deg
node 101.8365455556268 8.4791e-05 deg
peri 105.4307227055189 8.5347e-05 deg
M 50.64814469185647 1.0298e-05 deg
tp 2458814.736640274097
(2019-Nov-27.23664027)
3.7454e-05 TDB
period 1320.380241136013
3.62
8.9768e-06
2.458e-08
d
yr
n .2726487331333187 1.8536e-09 deg/d
Q 2.737517372582203 1.2408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      7584 days (20.76 yr)  
   first obs. used      1998-04-22  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56313  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:16:00  

Additional Information
 Earth MOID = .971593 au 
 Jupiter MOID = 2.22552 au 
 T_jup = 3.535 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO422173  

74059 (1998 KJ20)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 KJ20 = 2000 YA52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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