🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.61 AU - 0.61 AU

Year: 173 Days

Day: 38.2 Hours

Environment

Temp: 233 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.82 AU - 1.22 AU

Year: 374 Days

Day: 12.1 Hours

Environment

Temp: 28 °C

Axial Tilt: 5.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.8 AU - 2.54 AU

Year: 1162 Days

Day: 13.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,452,606 km

• M1: 30,368 km (0.113 R)
• M2: 286,929 km (0.067 R)

Asteroid Belt

Center: 3.02 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.21 AU - 4.53 AU

Year: 2767 Days

Day: 47.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,452,606 km

• M1: 32,762 km (0.088 R)
• M2: 130,001 km (0.039 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.32 AU - 4.32 AU

Year: 3263 Days

Day: 40.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 139.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,452,606 km

• M1: 1,063,641 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.1

Radius: 8.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.88 AU - 7.74 AU

Year: 7183 Days

Day: 13.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,452,606 km

• M1: 110,702 km (0.107 R)
• M2: 501,302 km (0.108 R)
• M3: 1,108,819 km (0.075 R)
• M4: 1,514,379 km (0.11 R)
• M5: 2,089,134 km (0.099 R)
• M6: 3,756,851 km (0.034 R)
• M7: 4,284,633 km (0.089 R)
• M8: 5,660,335 km (0.076 R)
• M9: 7,624,405 km (0.111 R)
• M10: 8,740,555 km (0.104 R)
• M11: 9,378,440 km (0.036 R)
• M12: 12,098,728 km (0.103 R)
• M13: 12,992,425 km (0.061 R)
• M14: 13,507,641 km (0.102 R)
• M15: 14,855,368 km (0.095 R)
• M16: 16,708,586 km (0.102 R)
• M17: 17,441,616 km (0.119 R)
• M18: 19,103,349 km (0.089 R)
• M19: 19,904,745 km (0.113 R)
• M20: 20,382,560 km (0.113 R)
• M21: 21,008,029 km (0.109 R)
• M22: 28,154,918 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.1

Radius: 9.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.17 AU - 9.53 AU

Year: 9569 Days

Day: 5.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,452,606 km

• M1: 177,423 km (0.059 R)
• M2: 523,742 km (0.053 R)
• M3: 1,044,642 km (0.037 R)
• M4: 1,902,287 km (0.114 R)
• M5: 2,593,578 km (0.096 R)
• M6: 3,154,122 km (0.07 R)
• M7: 3,922,755 km (0.111 R)
• M8: 4,861,632 km (0.042 R)
• M9: 9,780,110 km (0.078 R)
• M10: 10,400,942 km (0.059 R)
• M11: 10,742,623 km (0.095 R)
• M12: 11,767,069 km (0.075 R)
• M13: 13,600,242 km (0.045 R)
• M14: 14,216,734 km (0.083 R)
• M15: 16,522,187 km (0.117 R)
• M16: 20,364,758 km (0.09 R)
• M17: 22,140,036 km (0.093 R)
• M18: 25,069,162 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.6

Radius: 7.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 11.57 AU - 19.13 AU

Year: 21857 Days

Day: 19.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,452,606 km

• M1: 93,349 km (0.109 R)
• M2: 639,680 km (0.076 R)
• M3: 917,933 km (0.054 R)
• M4: 1,332,169 km (0.053 R)
• M5: 1,630,617 km (0.11 R)
• M6: 2,282,265 km (0.115 R)
• M7: 3,046,261 km (0.08 R)
• M8: 4,029,718 km (0.1 R)
• M9: 5,841,498 km (0.076 R)
• M10: 6,690,316 km (0.102 R)
• M11: 7,994,211 km (0.087 R)
• M12: 8,381,969 km (0.025 R)
• M13: 9,459,522 km (0.083 R)
• M14: 10,227,558 km (0.118 R)
• M15: 12,012,111 km (0.046 R)
• M16: 15,730,665 km (0.062 R)
• M17: 16,186,190 km (0.051 R)
• M18: 19,277,331 km (0.112 R)
• M19: 23,225,668 km (0.029 R)
• M20: 26,279,110 km (0.096 R)
• M21: 28,345,505 km (0.118 R)
• M22: 28,906,797 km (0.097 R)
• M23: 32,798,735 km (0.098 R)
• M24: 34,933,796 km (0.112 R)
• M25: 45,007,267 km (0.101 R)
• M26: 57,748,967 km (0.096 R)
• M27: 63,875,149 km (0.107 R)
• M28: 64,259,765 km (0.062 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 10,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit