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JPL Small-Body Database Browser
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268995 (2007 ER101)
Classification: Main-belt Asteroid          SPK-ID: 2268995
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2719597388293862 6.9698e-08  
a 2.781003211622115 3.4555e-08 au
q 2.024682304505681 1.8029e-07 au
i 9.25014720402098 7.7117e-06 deg
node 155.1606349982696 3.5772e-05 deg
peri 136.2932596193615 3.9384e-05 deg
M 147.733188385647 1.2735e-05 deg
tp 2457905.353672649481
(2017-May-31.85367265)
5.7144e-05 TDB
period 1693.950293639638
4.64
3.1572e-05
8.644e-08
d
yr
n .212520993887312 3.9609e-09 deg/d
Q 3.53732411873855 4.3952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      7509 days (20.56 yr)  
   first obs. used      1998-05-23  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54176  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:19:43  

Additional Information
 Earth MOID = 1.01973 au 
 Jupiter MOID = 1.75739 au 
 T_jup = 3.260 
[ 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 16.0   n/a MPO266739  

268995 (2007 ER101)          Discovered 2007-Mar-11 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2007 ER101 = 2008 SH4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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