🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.05 AU - 1.27 AU

Year: 441 Days

Day: 15.2 Hours

Environment

Temp: 27 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 14.2

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.39 AU - 8.61 AU

Year: 8750 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,280,790 km

• M1: 178,021 km (0.094 R)
• M2: 698,472 km (0.098 R)
• M3: 1,187,657 km (0.066 R)
• M4: 1,777,073 km (0.042 R)
• M5: 2,390,424 km (0.074 R)
• M6: 2,882,901 km (0.04 R)
• M7: 3,491,465 km (0.063 R)
• M8: 4,076,692 km (0.085 R)
• M9: 5,000,010 km (0.087 R)
• M10: 6,023,409 km (0.114 R)
• M11: 7,261,780 km (0.077 R)
• M12: 8,754,168 km (0.118 R)
• M13: 9,310,523 km (0.112 R)
• M14: 14,014,927 km (0.096 R)
• M15: 14,972,652 km (0.053 R)
• M16: 17,887,118 km (0.071 R)
• M17: 31,485,116 km (0.067 R)
• M18: 33,574,101 km (0.091 R)
• M19: 34,025,437 km (0.049 R)
• M20: 34,940,079 km (0.095 R)
• M21: 36,818,878 km (0.117 R)
• M22: 37,540,538 km (0.099 R)

Planet 3 - Ice Giant

Semi-Major Axis: 16.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.6

Radius: 7.7

Gravity: 16.45 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 12.44 AU - 20.18 AU

Year: 23258 Days

Day: 23.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 90,280,790 km

• M1: 97,089 km (0.106 R)
• M2: 638,185 km (0.116 R)
• M3: 922,570 km (0.101 R)
• M4: 1,216,679 km (0.045 R)
• M5: 2,450,413 km (0.095 R)
• M6: 3,023,672 km (0.041 R)
• M7: 3,912,134 km (0.11 R)
• M8: 4,185,449 km (0.116 R)
• M9: 5,083,036 km (0.092 R)
• M10: 5,409,160 km (0.084 R)
• M11: 5,705,812 km (0.104 R)
• M12: 6,194,100 km (0.108 R)
• M13: 7,002,976 km (0.1 R)
• M14: 8,656,481 km (0.1 R)
• M15: 9,241,408 km (0.116 R)
• M16: 10,103,990 km (0.071 R)
• M17: 11,154,316 km (0.111 R)
• M18: 12,863,921 km (0.055 R)
• M19: 14,335,665 km (0.097 R)
• M20: 16,263,682 km (0.075 R)
• M21: 17,610,213 km (0.105 R)
• M22: 19,817,230 km (0.075 R)
• M23: 21,562,439 km (0.063 R)
• M24: 22,202,119 km (0.031 R)
• M25: 23,856,672 km (0.114 R)
• M26: 26,068,327 km (0.056 R)
• M27: 29,702,059 km (0.032 R)
• M28: 30,894,952 km (0.107 R)
• M29: 32,813,695 km (0.109 R)
• M30: 33,376,183 km (0.08 R)
• M31: 42,270,674 km (0.065 R)
• M32: 43,272,082 km (0.031 R)
• M33: 47,795,173 km (0.032 R)
• M34: 59,414,889 km (0.1 R)
• M35: 62,588,308 km (0.107 R)
• M36: 63,888,763 km (0.068 R)
• M37: 64,545,647 km (0.07 R)
• M38: 72,071,467 km (0.12 R)
• M39: 73,021,713 km (0.074 R)
• M40: 75,922,266 km (0.059 R)
• M41: 78,397,363 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 764.6

Radius: 6.4

Gravity: 18.67 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 15.64 AU - 18.1 AU

Year: 24466 Days

Day: 24.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,280,790 km

• M1: 80,633 km (0.084 R)
• M2: 396,434 km (0.116 R)
• M3: 1,079,947 km (0.117 R)
• M4: 1,523,056 km (0.058 R)
• M5: 2,638,906 km (0.066 R)
• M6: 3,007,665 km (0.092 R)
• M7: 4,323,229 km (0.117 R)
• M8: 5,029,181 km (0.027 R)
• M9: 5,307,732 km (0.103 R)
• M10: 6,858,314 km (0.109 R)
• M11: 7,555,590 km (0.118 R)
• M12: 8,028,170 km (0.119 R)
• M13: 9,992,839 km (0.079 R)
• M14: 10,306,545 km (0.029 R)
• M15: 15,667,086 km (0.079 R)
• M16: 16,960,659 km (0.08 R)
• M17: 18,794,130 km (0.075 R)
• M18: 19,856,724 km (0.067 R)
• M19: 20,553,551 km (0.073 R)
• M20: 21,890,656 km (0.119 R)
• M21: 22,207,206 km (0.08 R)
• M22: 23,614,622 km (0.057 R)
• M23: 28,441,697 km (0.088 R)
• M24: 28,818,833 km (0.114 R)
• M25: 33,327,862 km (0.091 R)
• M26: 35,169,412 km (0.098 R)
• M27: 36,928,384 km (0.11 R)
• M28: 39,675,749 km (0.035 R)
• M29: 40,462,334 km (0.096 R)
• M30: 42,720,365 km (0.108 R)
• M31: 44,721,386 km (0.036 R)
• M32: 45,402,056 km (0.081 R)
• M33: 48,729,861 km (0.062 R)
• M34: 59,068,719 km (0.065 R)
• M35: 64,098,349 km (0.05 R)
• M36: 71,933,687 km (0.075 R)
• M37: 75,478,558 km (0.113 R)
• M38: 76,201,116 km (0.094 R)
• M39: 87,072,393 km (0.093 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 17,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit