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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1731432586736302 1.5247e-08  
a 2.441510934805895 7.1958e-09 au
q 2.018779775466301 3.7023e-08 au
i 8.936934584218825 3.8747e-07 deg
node 162.0105308701629 3.1027e-06 deg
peri 155.9936399550081 6.3883e-06 deg
M 187.4510724986748 5.0852e-06 deg
tp 2460064.376558893076
(2023-Apr-29.87655889)
2.0727e-05 TDB
period 1393.434109868117
3.82
6.1602e-06
1.687e-08
d
yr
n .2583545195646694 1.1422e-09 deg/d
Q 2.864242094145488 8.4417e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2031  
   data-arc span      9563 days (26.18 yr)  
   first obs. used      1995-03-02  
   last obs. used      2021-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49733  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:42:01  

Additional Information
 Earth MOID = 1.00899 au 
 Jupiter MOID = 2.47027 au 
 T_jup = 3.464 
[ 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 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

Alternate Designations
 1995 ER7 = 1995 FY19 = 1999 GX39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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