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213040 (1998 HY1)
Classification: Main-belt Asteroid          SPK-ID: 2213040
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181734072656546 3.9004e-08  
a 2.367798582684435 9.0026e-09 au
q 1.851207898181384 9.5275e-08 au
i 3.359158471335032 4.4204e-06 deg
node 246.067804729631 7.2016e-05 deg
peri 25.15208761122907 7.3122e-05 deg
M 36.93965654193497 1.0415e-05 deg
tp 2459063.945532312004
(2020-Aug-02.44553231)
3.8445e-05 TDB
period 1330.808485235136
3.64
7.5898e-06
2.078e-08
d
yr
n .2705122517582934 1.5428e-09 deg/d
Q 2.884389267187486 1.0967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      8179 days (22.39 yr)  
   first obs. used      1998-04-19  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54387  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:06  

Additional Information
 Earth MOID = .833902 au 
 Jupiter MOID = 2.22366 au 
 T_jup = 3.512 
[ 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 17.29   n/a E2021B55  

213040 (1998 HY1)          Discovered 1998-Apr-19 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

Alternate Designations
 1998 HY1 = 2002 NH51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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