🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.78 AU - 0.82 AU

Year: 251 Days

Day: 19.8 Hours

Environment

Temp: 119 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.99 AU - 1.61 AU

Year: 521 Days

Day: 33.1 Hours

Environment

Temp: 3 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.85 AU - 4.31 AU

Year: 2896 Days

Day: 19.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.31 AU - 5.85 AU

Year: 4024 Days

Day: 16.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,102,030 km

• M1: 149,747 km (0.101 R)

Asteroid Belt

Center: 8.29 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 12.1

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 9.03 AU - 13.97 AU

Year: 13706 Days

Day: 14.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,102,030 km

• M1: 150,645 km (0.071 R)
• M2: 583,880 km (0.07 R)
• M3: 1,162,226 km (0.037 R)
• M4: 1,680,134 km (0.039 R)
• M5: 2,631,427 km (0.112 R)
• M6: 4,080,581 km (0.116 R)
• M7: 4,461,607 km (0.096 R)
• M8: 5,061,644 km (0.063 R)
• M9: 5,502,808 km (0.083 R)
• M10: 6,860,259 km (0.059 R)
• M11: 8,198,562 km (0.096 R)
• M12: 8,954,181 km (0.059 R)
• M13: 9,704,115 km (0.081 R)
• M14: 10,658,699 km (0.08 R)
• M15: 12,266,876 km (0.077 R)
• M16: 14,296,470 km (0.11 R)
• M17: 14,974,298 km (0.102 R)
• M18: 17,364,124 km (0.1 R)
• M19: 17,824,586 km (0.089 R)
• M20: 20,846,014 km (0.108 R)
• M21: 21,541,495 km (0.079 R)
• M22: 24,004,026 km (0.086 R)
• M23: 28,835,289 km (0.069 R)
• M24: 30,914,699 km (0.067 R)
• M25: 38,136,237 km (0.119 R)
• M26: 38,654,295 km (0.118 R)
• M27: 41,998,705 km (0.083 R)
• M28: 45,968,135 km (0.06 R)
• M29: 48,952,163 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.9

Radius: 3.2

Gravity: 47.74 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 11.44 AU - 15.76 AU

Year: 17627 Days

Day: 16 Hours

Environment

Temp: -193 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 64,102,030 km

• M1: 39,793 km (0.116 R)
• M2: 153,188 km (0.064 R)
• M3: 310,266 km (0.071 R)
• M4: 422,614 km (0.119 R)
• M5: 770,429 km (0.107 R)
• M6: 958,474 km (0.119 R)
• M7: 1,112,559 km (0.088 R)
• M8: 2,184,279 km (0.088 R)
• M9: 2,494,993 km (0.087 R)
• M10: 2,741,082 km (0.115 R)
• M11: 3,440,601 km (0.038 R)
• M12: 4,007,877 km (0.066 R)
• M13: 4,602,079 km (0.114 R)
• M14: 5,076,005 km (0.086 R)
• M15: 9,931,055 km (0.04 R)
• M16: 11,426,734 km (0.052 R)
• M17: 14,927,624 km (0.112 R)
• M18: 15,072,285 km (0.06 R)
• M19: 16,338,780 km (0.119 R)
• M20: 21,558,250 km (0.04 R)
• M21: 23,550,744 km (0.117 R)
• M22: 24,340,920 km (0.105 R)
• M23: 24,441,001 km (0.046 R)
• M24: 25,250,924 km (0.071 R)
• M25: 25,559,095 km (0.056 R)
• M26: 25,662,468 km (0.03 R)
• M27: 27,353,671 km (0.08 R)
• M28: 28,006,517 km (0.11 R)
• M29: 30,373,454 km (0.094 R)
• M30: 30,605,630 km (0.119 R)
• M31: 31,903,691 km (0.105 R)
• M32: 33,732,076 km (0.07 R)
• M33: 35,116,604 km (0.107 R)
• M34: 36,146,885 km (0.098 R)
• M35: 36,801,076 km (0.116 R)
• M36: 39,634,460 km (0.12 R)
• M37: 43,929,564 km (0.101 R)
• M38: 45,125,151 km (0.098 R)
• M39: 48,841,760 km (0.102 R)
• M40: 50,937,477 km (0.098 R)
• M41: 59,014,415 km (0.092 R)
• M42: 60,836,368 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319

Radius: 6.4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 13.73 AU - 18.43 AU

Year: 22662 Days

Day: 18 Hours

Environment

Temp: -186 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,102,030 km

• M1: 90,208 km (0.091 R)
• M2: 799,152 km (0.081 R)
• M3: 1,104,182 km (0.064 R)
• M4: 1,500,167 km (0.043 R)
• M5: 2,157,800 km (0.069 R)
• M6: 2,380,401 km (0.105 R)
• M7: 2,685,731 km (0.115 R)
• M8: 3,141,854 km (0.116 R)
• M9: 4,556,901 km (0.032 R)
• M10: 5,459,275 km (0.063 R)
• M11: 12,962,805 km (0.094 R)
• M12: 15,044,459 km (0.095 R)
• M13: 15,860,665 km (0.112 R)
• M14: 19,077,618 km (0.115 R)
• M15: 19,335,226 km (0.107 R)
• M16: 21,020,296 km (0.1 R)
• M17: 22,417,839 km (0.079 R)
• M18: 27,197,192 km (0.032 R)
• M19: 29,650,896 km (0.094 R)
• M20: 33,852,353 km (0.069 R)
• M21: 38,707,551 km (0.106 R)
• M22: 43,412,255 km (0.085 R)
• M23: 56,369,226 km (0.11 R)
• M24: 60,892,018 km (0.085 R)

Kuiper Belt

Range: 31.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 10,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit