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16703 (1995 ER7)
Classification: Main-belt Asteroid          SPK-ID: 2016703
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173154574603075 1.5282e-08  
a 2.441410722420108 7.2091e-09 au
q 2.018669287348068 3.7142e-08 au
i 8.936223767289325 3.8837e-07 deg
node 162.0141817937277 3.111e-06 deg
peri 155.9515897882167 6.4826e-06 deg
M 136.864946575997 5.0692e-06 deg
tp 2458670.776268390479
(2019-Jul-06.27626839)
1.9207e-05 TDB
period 1393.348320006374
3.81
6.1715e-06
1.69e-08
d
yr
n .25837042671308 1.1444e-09 deg/d
Q 2.864152157492148 8.4574e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2002  
   data-arc span      9509 days (26.03 yr)  
   first obs. used      1995-03-02  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:39:16  

Additional Information
 Earth MOID = 1.00761 au 
 Jupiter MOID = 2.47088 au 
 T_jup = 3.464 
[ 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 14.1   n/a MPO502297  
diameter diameter 3.132 km 0.729 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.544   0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16703 (1995 ER7)          Discovered 1995-Mar-02 by Spacewatch at Kitt Peak
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 ER7 = 1995 FY19 = 1999 GX39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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