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48738 (1997 ER16)
Classification: Main-belt Asteroid          SPK-ID: 2048738
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914669985604931 4.1023e-08  
a 2.420042193198605 9.3648e-09 au
q 1.956683978077115 1.0167e-07 au
i .8826806080407517 5.1818e-06 deg
node 2.279499837379569 0.00023097 deg
peri 331.8816026063505 0.00023127 deg
M 277.8577836045747 1.1755e-05 deg
tp 2459314.259403004549
(2021-Apr-09.75940300)
4.5176e-05 TDB
period 1375.095414249479
3.76
7.9817e-06
2.185e-08
d
yr
n .261800014944044 1.5196e-09 deg/d
Q 2.883400408320095 1.1158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      8455 days (23.15 yr)  
   first obs. used      1997-03-05  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54867  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:48:09  

Additional Information
 Earth MOID = .946708 au 
 Jupiter MOID = 2.48473 au 
 T_jup = 3.489 
[ 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 16.3   n/a MPO436124  

48738 (1997 ER16)          Discovered 1997-Mar-05 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 ER16 = 1997 GS26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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