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17448 (1990 HU1)
Classification: Main-belt Asteroid          SPK-ID: 2017448
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02813399336508176 7.2267e-08  
a 2.589625192111225 2.4021e-08 AU
q 2.51676869413832 1.836e-07 AU
i 14.35560518903682 7.1565e-06 deg
node 141.602923001508 3.0152e-05 deg
peri 121.0309917726954 0.00013587 deg
M 213.60616811155 0.00013439 deg
tp 2457419.476372781030
(2016-Jan-31.97637278)
0.00056901 JED
period 1522.137178368042
4.17
2.1179e-05
5.798e-08
d
yr
n .2365095637345733 3.2907e-09 deg/d
Q 2.662481690084131 2.4697e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      21738 days (59.52 yr)  
   first obs. used      1954-09-07  
   last obs. used      2014-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55686  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 21:50:49  

Additional Information
 Earth MOID = 1.52128 AU 
 T_jup = 3.376 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO244341  

17448 (1990 HU1)          Discovered 1990-Apr-27 by McNaught, R. H. at Siding Spring (413)
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 HU1 = 1994 ER6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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