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90915 (1997 HP13)
Classification: Main-belt Asteroid          SPK-ID: 2090915
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1690823255461268 3.7499e-08  
a 2.189826299747621 8.1852e-09 au
q 1.819565376444224 8.0459e-08 au
i 3.61150524095943 4.2906e-06 deg
node 188.5713040603565 6.8705e-05 deg
peri 68.54269002860886 7.0209e-05 deg
M 19.15966357609988 1.4745e-05 deg
tp 2458937.506127637804
(2020-Mar-29.00612764)
4.8451e-05 TDB
period 1183.621724897054
3.24
6.6362e-06
1.817e-08
d
yr
n .3041512270580459 1.7053e-09 deg/d
Q 2.560087223051018 9.5691e-09 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      8493 days (23.25 yr)  
   first obs. used      1997-04-30  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:14:40  

Additional Information
 Earth MOID = .808522 au 
 Jupiter MOID = 2.49179 au 
 T_jup = 3.652 
[ 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 17.2   n/a MPO426565  

90915 (1997 HP13)          Discovered 1997-Apr-30 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1997 HP13 = 2000 EZ162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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