🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.45 AU - 0.63 AU

Year: 260 Days

Day: 44.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.52 AU - 0.62 AU

Year: 282 Days

Day: 26.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,595,851 km

• M1: 153,487 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.5

Radius: 8.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.92 AU - 1.12 AU

Year: 676 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,595,851 km

• M1: 110,852 km (0.042 R)
• M2: 413,937 km (0.082 R)
• M3: 1,354,010 km (0.037 R)
• M4: 1,666,670 km (0.09 R)
• M5: 1,986,959 km (0.059 R)
• M6: 2,478,238 km (0.118 R)
• M7: 2,814,834 km (0.106 R)
• M8: 3,388,841 km (0.103 R)
• M9: 3,843,169 km (0.09 R)
• M10: 4,739,709 km (0.086 R)
• M11: 5,119,538 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.8

Radius: 14.4

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.93 AU - 1.25 AU

Year: 747 Days

Day: 11 Hours

Environment

Temp: -153 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,595,851 km

• M1: 179,966 km (0.079 R)
• M2: 686,953 km (0.104 R)
• M3: 1,140,385 km (0.053 R)
• M4: 1,805,646 km (0.091 R)
• M5: 2,486,765 km (0.11 R)
• M6: 3,349,048 km (0.053 R)
• M7: 3,903,158 km (0.103 R)
• M8: 4,858,490 km (0.077 R)
• M9: 5,363,981 km (0.065 R)
• M10: 5,964,617 km (0.075 R)
• M11: 6,631,674 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978

Radius: 14.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.35 AU - 3.03 AU

Year: 2894 Days

Day: 10.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,595,851 km

• M1: 185,352 km (0.108 R)
• M2: 644,019 km (0.078 R)
• M3: 1,285,195 km (0.11 R)
• M4: 1,943,875 km (0.109 R)
• M5: 2,523,716 km (0.112 R)
• M6: 3,496,701 km (0.116 R)
• M7: 4,124,264 km (0.114 R)
• M8: 5,094,107 km (0.105 R)
• M9: 7,616,177 km (0.055 R)
• M10: 11,868,497 km (0.079 R)
• M11: 13,388,860 km (0.119 R)
• M12: 14,271,188 km (0.055 R)
• M13: 15,244,173 km (0.094 R)
• M14: 16,646,952 km (0.106 R)
• M15: 20,273,952 km (0.04 R)
• M16: 22,441,177 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.6

Radius: 14.3

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.01 AU - 4.53 AU

Year: 5788 Days

Day: 7.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,595,851 km

• M1: 177,872 km (0.093 R)
• M2: 694,284 km (0.093 R)
• M3: 1,523,505 km (0.102 R)
• M4: 2,458,043 km (0.089 R)
• M5: 2,936,008 km (0.109 R)
• M6: 3,498,496 km (0.098 R)
• M7: 4,107,958 km (0.1 R)
• M8: 5,155,292 km (0.108 R)
• M9: 7,214,657 km (0.08 R)
• M10: 8,049,113 km (0.041 R)
• M11: 8,862,776 km (0.089 R)
• M12: 9,956,337 km (0.034 R)
• M13: 10,750,103 km (0.073 R)
• M14: 15,612,931 km (0.107 R)
• M15: 17,604,378 km (0.065 R)
• M16: 19,187,722 km (0.026 R)
• M17: 21,317,098 km (0.084 R)
• M18: 21,931,197 km (0.065 R)
• M19: 23,681,343 km (0.065 R)
• M20: 24,174,418 km (0.083 R)
• M21: 25,608,762 km (0.085 R)
• M22: 28,461,593 km (0.058 R)
• M23: 28,925,795 km (0.076 R)
• M24: 29,584,176 km (0.08 R)
• M25: 32,823,269 km (0.072 R)
• M26: 34,161,871 km (0.114 R)
• M27: 35,109,723 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.5

Radius: 14.9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.42 AU - 6.98 AU

Year: 8927 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,595,851 km

• M1: 185,651 km (0.12 R)
• M2: 676,482 km (0.109 R)
• M3: 1,653,056 km (0.077 R)
• M4: 2,378,905 km (0.102 R)
• M5: 3,452,868 km (0.1 R)
• M6: 4,034,206 km (0.118 R)
• M7: 4,592,505 km (0.032 R)
• M8: 5,729,000 km (0.117 R)
• M9: 6,474,297 km (0.037 R)
• M10: 6,967,670 km (0.069 R)
• M11: 7,568,156 km (0.093 R)
• M12: 8,246,583 km (0.079 R)
• M13: 9,292,870 km (0.114 R)
• M14: 9,774,725 km (0.082 R)
• M15: 16,727,436 km (0.108 R)
• M16: 18,477,581 km (0.079 R)
• M17: 20,508,372 km (0.052 R)
• M18: 24,642,060 km (0.111 R)
• M19: 26,807,041 km (0.094 R)
• M20: 28,994,162 km (0.1 R)
• M21: 29,818,147 km (0.056 R)
• M22: 32,164,889 km (0.087 R)
• M23: 36,385,793 km (0.081 R)
• M24: 37,952,381 km (0.069 R)
• M25: 40,322,610 km (0.093 R)
• M26: 44,263,616 km (0.073 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 17,881 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit