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85842 (1998 YK7)
Classification: Main-belt Asteroid          SPK-ID: 2085842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248137772337109 4.0009e-08  
a 2.61382713253466 1.2752e-08 au
q 2.28758549508705 1.0452e-07 au
i 6.002963619012682 3.7359e-06 deg
node 81.64396711372824 4.3615e-05 deg
peri 32.06902561397718 4.768e-05 deg
M 71.33651336261467 1.7815e-05 deg
tp 2458894.639708725901
(2020-Feb-15.13970873)
7.6186e-05 TDB
period 1543.525183225184
4.23
1.1295e-05
3.092e-08
d
yr
n .2332323462632354 1.7068e-09 deg/d
Q 2.940068769982271 1.4343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      8132 days (22.26 yr)  
   first obs. used      1998-12-16  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5341  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:07:34  

Additional Information
 Earth MOID = 1.3066 au 
 Jupiter MOID = 2.16613 au 
 T_jup = 3.389 
[ 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 15.25   n/a E2021B10  

85842 (1998 YK7)          Discovered 1998-Dec-22 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 YK7 = 2001 QQ272 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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