🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.69 AU - 0.83 AU

Year: 248 Days

Day: 39.6 Hours

Environment

Temp: 113 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,459,708 km

• M1: 221,405 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.71 AU - 0.93 AU

Year: 278 Days

Day: 27.6 Hours

Environment

Temp: 111 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,459,708 km

• M1: 600,037 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.99 AU - 1.37 AU

Year: 480 Days

Day: 33.5 Hours

Environment

Temp: -15 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.49 AU - 1.95 AU

Year: 845 Days

Day: 22.4 Hours

Environment

Temp: -51 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.64 AU - 4.08 AU

Year: 2308 Days

Day: 33.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 61.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.7 AU - 4.14 AU

Year: 2370 Days

Day: 23.8 Hours

Environment

Temp: -119 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 14.4

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.58 AU - 6.84 AU

Year: 6513 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,459,708 km

• M1: 179,069 km (0.109 R)
• M2: 652,546 km (0.077 R)
• M3: 1,244,056 km (0.048 R)
• M4: 2,792,992 km (0.058 R)
• M5: 3,374,778 km (0.071 R)
• M6: 5,192,991 km (0.118 R)
• M7: 6,236,586 km (0.104 R)
• M8: 8,384,362 km (0.058 R)
• M9: 10,941,439 km (0.1 R)
• M10: 12,297,394 km (0.049 R)
• M11: 12,807,971 km (0.082 R)
• M12: 14,146,573 km (0.117 R)
• M13: 15,283,068 km (0.077 R)
• M14: 16,664,455 km (0.094 R)
• M15: 17,481,259 km (0.111 R)
• M16: 18,456,787 km (0.113 R)
• M17: 19,744,077 km (0.116 R)
• M18: 21,308,571 km (0.094 R)
• M19: 21,897,538 km (0.102 R)
• M20: 22,877,703 km (0.101 R)
• M21: 24,124,003 km (0.061 R)
• M22: 24,763,983 km (0.079 R)
• M23: 27,007,652 km (0.119 R)
• M24: 28,222,985 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.7

Radius: 12.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.65 AU - 8.17 AU

Year: 6807 Days

Day: 5.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,459,708 km

• M1: 155,582 km (0.042 R)
• M2: 551,717 km (0.106 R)
• M3: 1,072,318 km (0.095 R)
• M4: 1,881,343 km (0.032 R)
• M5: 2,398,951 km (0.115 R)
• M6: 3,119,564 km (0.116 R)
• M7: 3,663,053 km (0.098 R)
• M8: 5,120,586 km (0.108 R)
• M9: 5,683,672 km (0.063 R)
• M10: 6,377,656 km (0.054 R)
• M11: 8,181,508 km (0.067 R)
• M12: 8,952,984 km (0.106 R)
• M13: 9,893,506 km (0.077 R)
• M14: 13,014,117 km (0.1 R)
• M15: 14,117,102 km (0.112 R)
• M16: 14,744,516 km (0.117 R)
• M17: 16,167,790 km (0.081 R)
• M18: 21,121,424 km (0.119 R)
• M19: 25,289,071 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.4

Radius: 7.6

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 10.52 AU - 15.74 AU

Year: 17829 Days

Day: 19.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,459,708 km

• M1: 94,995 km (0.038 R)
• M2: 763,398 km (0.117 R)
• M3: 1,000,511 km (0.093 R)
• M4: 1,958,984 km (0.077 R)
• M5: 2,634,568 km (0.069 R)
• M6: 3,114,029 km (0.07 R)
• M7: 4,061,582 km (0.096 R)
• M8: 7,572,495 km (0.1 R)
• M9: 8,291,013 km (0.117 R)
• M10: 10,314,175 km (0.053 R)
• M11: 12,711,181 km (0.045 R)
• M12: 13,449,148 km (0.115 R)
• M13: 14,937,048 km (0.083 R)
• M14: 16,847,413 km (0.061 R)
• M15: 17,985,703 km (0.115 R)
• M16: 18,488,801 km (0.077 R)
• M17: 21,425,557 km (0.078 R)
• M18: 25,911,698 km (0.07 R)
• M19: 26,553,472 km (0.093 R)
• M20: 30,039,701 km (0.107 R)
• M21: 34,328,971 km (0.114 R)
• M22: 37,904,211 km (0.101 R)
• M23: 58,079,279 km (0.085 R)
• M24: 58,443,999 km (0.105 R)
• M25: 64,293,724 km (0.075 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 20,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit