🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.34 AU - 1.74 AU

Year: 859 Days

Day: 47.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.49 AU - 1.67 AU

Year: 893 Days

Day: 36.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,799,576 km

• M1: 71,807 km (0.109 R)
• M2: 1,343,239 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.35 AU - 2.03 AU

Year: 988 Days

Day: 21.5 Hours

Environment

Temp: -109 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,799,576 km

• M1: 205,847 km (0.11 R)

Asteroid Belt

Center: 2.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.6

Radius: 8.2

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.85 AU - 4.59 AU

Year: 3226 Days

Day: 13.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,799,576 km

• M1: 102,026 km (0.098 R)
• M2: 362,027 km (0.104 R)
• M3: 739,313 km (0.117 R)
• M4: 1,008,589 km (0.115 R)
• M5: 1,326,484 km (0.119 R)
• M6: 2,143,887 km (0.1 R)
• M7: 2,434,556 km (0.09 R)
• M8: 3,047,309 km (0.105 R)
• M9: 3,522,282 km (0.079 R)
• M10: 4,326,370 km (0.071 R)
• M11: 4,598,639 km (0.088 R)
• M12: 5,389,114 km (0.061 R)
• M13: 5,704,765 km (0.099 R)
• M14: 8,052,105 km (0.066 R)
• M15: 8,368,804 km (0.074 R)
• M16: 9,578,452 km (0.078 R)
• M17: 10,006,452 km (0.115 R)
• M18: 11,406,688 km (0.102 R)
• M19: 13,105,970 km (0.118 R)
• M20: 13,456,328 km (0.075 R)
• M21: 13,723,061 km (0.086 R)
• M22: 15,062,710 km (0.078 R)
• M23: 15,838,076 km (0.074 R)
• M24: 16,135,626 km (0.066 R)
• M25: 17,258,508 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 12.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.11 AU - 5.35 AU

Year: 4625 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,799,576 km

• M1: 157,377 km (0.085 R)
• M2: 573,409 km (0.099 R)
• M3: 973,583 km (0.077 R)
• M4: 1,476,681 km (0.11 R)
• M5: 1,956,740 km (0.097 R)
• M6: 2,362,599 km (0.118 R)
• M7: 2,908,332 km (0.068 R)
• M8: 3,367,149 km (0.089 R)
• M9: 3,833,595 km (0.047 R)
• M10: 4,365,415 km (0.109 R)
• M11: 4,897,834 km (0.086 R)
• M12: 6,377,656 km (0.1 R)
• M13: 8,205,593 km (0.081 R)
• M14: 8,874,146 km (0.118 R)
• M15: 9,540,754 km (0.068 R)
• M16: 10,042,655 km (0.107 R)
• M17: 12,730,031 km (0.071 R)
• M18: 14,264,307 km (0.071 R)
• M19: 17,928,557 km (0.06 R)
• M20: 18,338,156 km (0.116 R)
• M21: 21,187,995 km (0.116 R)
• M22: 22,718,381 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.5

Radius: 13.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.09 AU - 6.27 AU

Year: 6907 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,799,576 km

• M1: 173,234 km (0.099 R)
• M2: 672,293 km (0.047 R)
• M3: 1,222,065 km (0.112 R)
• M4: 2,234,543 km (0.068 R)
• M5: 3,393,179 km (0.064 R)
• M6: 3,881,018 km (0.058 R)
• M7: 4,894,244 km (0.071 R)
• M8: 5,491,887 km (0.109 R)
• M9: 6,639,154 km (0.047 R)
• M10: 7,338,673 km (0.087 R)
• M11: 9,946,463 km (0.096 R)
• M12: 10,420,090 km (0.097 R)
• M13: 12,917,028 km (0.072 R)
• M14: 14,881,547 km (0.089 R)
• M15: 18,608,479 km (0.028 R)
• M16: 21,963,511 km (0.095 R)
• M17: 24,128,790 km (0.072 R)
• M18: 26,106,624 km (0.033 R)
• M19: 29,404,808 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.6

Radius: 4.5

Gravity: 47.49 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.8 AU - 13.54 AU

Year: 16784 Days

Day: 21.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,799,576 km

• M1: 56,698 km (0.092 R)
• M2: 250,726 km (0.096 R)
• M3: 396,285 km (0.09 R)
• M4: 819,348 km (0.075 R)
• M5: 1,311,824 km (0.101 R)
• M6: 2,142,242 km (0.11 R)
• M7: 2,802,716 km (0.062 R)
• M8: 6,464,274 km (0.114 R)
• M9: 6,866,542 km (0.095 R)
• M10: 7,097,073 km (0.077 R)
• M11: 9,410,753 km (0.119 R)
• M12: 9,985,658 km (0.103 R)
• M13: 10,644,786 km (0.11 R)
• M14: 11,079,069 km (0.084 R)
• M15: 13,789,932 km (0.067 R)
• M16: 16,580,680 km (0.073 R)
• M17: 23,558,373 km (0.068 R)
• M18: 26,823,197 km (0.05 R)
• M19: 29,039,789 km (0.11 R)
• M20: 32,138,260 km (0.084 R)
• M21: 36,000,279 km (0.071 R)
• M22: 39,863,644 km (0.03 R)
• M23: 43,836,514 km (0.116 R)
• M24: 44,311,188 km (0.089 R)
• M25: 46,572,061 km (0.071 R)
• M26: 48,570,090 km (0.113 R)
• M27: 48,908,481 km (0.093 R)
• M28: 49,761,637 km (0.077 R)
• M29: 60,393,109 km (0.12 R)
• M30: 63,168,449 km (0.063 R)
• M31: 73,327,491 km (0.072 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 18,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit