🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.68 AU - 0.8 AU

Year: 231 Days

Day: 30.2 Hours

Environment

Temp: 148 °C

Axial Tilt: 8.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.78 AU - 1.18 AU

Year: 353 Days

Day: 41.1 Hours

Environment

Temp: 21 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.04 AU - 1.54 AU

Year: 532 Days

Day: 26.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 108,930,408 km

• M1: 485,295 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.45 AU - 1.59 AU

Year: 681 Days

Day: 36.1 Hours

Environment

Temp: -31 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,930,408 km

• M1: 44,730 km (0.085 R)

Asteroid Belt

Center: 2.01 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.04 AU - 2.96 AU

Year: 1437 Days

Day: 18.3 Hours

Environment

Temp: -94 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 108,930,408 km

• M1: 275,260 km (0.051 R)
• M2: 1,915,750 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.6

Radius: 12.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6 AU - 9.38 AU

Year: 7750 Days

Day: 7.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 122.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 108,930,408 km

• M1: 153,039 km (0.117 R)
• M2: 617,540 km (0.115 R)
• M3: 1,168,060 km (0.112 R)
• M4: 1,696,889 km (0.098 R)
• M5: 2,383,244 km (0.119 R)
• M6: 2,766,663 km (0.098 R)
• M7: 3,362,063 km (0.113 R)
• M8: 4,936,131 km (0.1 R)
• M9: 5,403,774 km (0.055 R)
• M10: 5,815,916 km (0.105 R)
• M11: 6,611,179 km (0.084 R)
• M12: 7,083,609 km (0.083 R)
• M13: 7,612,138 km (0.099 R)
• M14: 9,436,185 km (0.071 R)
• M15: 11,670,728 km (0.109 R)
• M16: 13,327,375 km (0.079 R)
• M17: 16,985,342 km (0.111 R)
• M18: 18,177,338 km (0.078 R)
• M19: 19,424,236 km (0.06 R)
• M20: 20,134,078 km (0.114 R)
• M21: 25,213,824 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.6

Radius: 8.8

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.99 AU - 11.39 AU

Year: 10125 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 108,930,408 km

• M1: 189,541 km (0.046 R)
• M2: 517,459 km (0.06 R)
• M3: 946,955 km (0.107 R)
• M4: 1,262,456 km (0.098 R)
• M5: 1,619,397 km (0.081 R)
• M6: 2,147,178 km (0.091 R)
• M7: 2,579,815 km (0.096 R)
• M8: 5,536,916 km (0.098 R)
• M9: 6,169,416 km (0.094 R)
• M10: 8,048,066 km (0.09 R)
• M11: 9,284,941 km (0.102 R)
• M12: 12,775,060 km (0.104 R)
• M13: 26,124,725 km (0.105 R)
• M14: 28,198,451 km (0.108 R)
• M15: 29,016,452 km (0.057 R)
• M16: 31,565,600 km (0.077 R)
• M17: 31,894,416 km (0.095 R)
• M18: 40,360,159 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.6

Radius: 5.1

Gravity: 34.01 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 14.7 AU - 23.34 AU

Year: 30147 Days

Day: 16.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 108,930,408 km

• M1: 63,429 km (0.078 R)
• M2: 438,322 km (0.074 R)
• M3: 895,792 km (0.105 R)
• M4: 1,222,663 km (0.045 R)
• M5: 1,684,173 km (0.086 R)
• M6: 2,254,290 km (0.105 R)
• M7: 3,531,407 km (0.043 R)
• M8: 3,905,103 km (0.086 R)
• M9: 4,230,029 km (0.083 R)
• M10: 4,456,670 km (0.103 R)
• M11: 4,852,207 km (0.079 R)
• M12: 6,875,369 km (0.101 R)
• M13: 7,900,862 km (0.111 R)
• M14: 9,274,021 km (0.071 R)
• M15: 9,983,863 km (0.084 R)
• M16: 12,103,216 km (0.072 R)
• M17: 17,397,185 km (0.043 R)
• M18: 18,176,141 km (0.117 R)
• M19: 18,978,135 km (0.088 R)
• M20: 20,224,884 km (0.101 R)
• M21: 21,195,026 km (0.114 R)
• M22: 21,525,189 km (0.063 R)
• M23: 23,111,525 km (0.117 R)
• M24: 24,291,253 km (0.088 R)
• M25: 27,676,055 km (0.107 R)
• M26: 29,140,768 km (0.112 R)
• M27: 29,961,013 km (0.114 R)
• M28: 33,248,426 km (0.108 R)
• M29: 35,517,078 km (0.073 R)
• M30: 39,524,057 km (0.091 R)
• M31: 39,857,061 km (0.028 R)
• M32: 41,037,389 km (0.096 R)
• M33: 49,378,517 km (0.12 R)
• M34: 49,571,349 km (0.087 R)
• M35: 50,153,135 km (0.115 R)
• M36: 57,066,950 km (0.047 R)
• M37: 57,279,379 km (0.12 R)
• M38: 58,781,192 km (0.067 R)
• M39: 66,450,477 km (0.049 R)
• M40: 72,496,774 km (0.117 R)
• M41: 76,552,821 km (0.117 R)
• M42: 80,757,568 km (0.119 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 14,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit