2008 EA9

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Mercury
MercuryScrshot.jpg
Mercury in Orbiter
Designation
Name Mercury
Reference body Sun
Number of satellites 0
Planetary mean orbits
Epoch J2000 (1 January 2000)
Semimajor axis (a) 0.38709893 AU
5.790917567×107 km)
Eccentricity (e) 0.20563069
Inclination (i) 7.00487°
(0.122258 radian)
Longitude of the ascending node (LAN, ☊) 48.33167°
(0.8436468 radian)
Longitude of periapsis (ϖ) 77.45645°
(1.351870 radian)
Mean longitude (L) 252.25084°
(4.402608 radian)
Planetary orbital element centennial rates
Semimajor axis (a) 0.00000066 AU/Century
Eccentricity (e) 0.00002527 Century-1
Inclination (i) -23.51 seconds/Century
Longitude of the ascending node (LAN, ☊) -446.30 seconds/Century
Longitude of periapsis (ϖ) 573.57 seconds/Century
Mean longitude (L) 538101628.29 seconds/Century
Selected physical parameters
Mean radius 2440 km
Mass 3.301880×1023 kg
Density 5.427 g/cm3
Sidereal rotation period 1407.509 hours
Sidereal orbit period 0.2408445 years
Magnitude V(1,0) -0.42
Geometric albedo 0.106
Equatorial gravity 3.701 m/s2
Escape velocity 4.435 km/s
SOI radius (estimated) 28385 km
Rotation elements
North pole right ascension (α1) 280.99°
North pole declination (δ1) 61.44°
Obliquty of ecliptic 7.01°
Longitude of Sun's transit 228.31°
Note *Elements given are from Orbiter.pdf (2016)