🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.44 AU - 0.58 AU

Year: 127 Days

Day: 14.5 Hours

Environment

Temp: 263 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 28,387,609 km

• M1: 30,368 km (0.112 R)
• M2: 98,286 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.5 AU - 0.7 AU

Year: 162 Days

Day: 44.2 Hours

Environment

Temp: 258 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.11 AU - 1.21 AU

Year: 435 Days

Day: 31.4 Hours

Environment

Temp: 29 °C

Axial Tilt: 5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 28,387,609 km

• M1: 212,728 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.58 AU - 2.46 AU

Year: 1000 Days

Day: 23.1 Hours

Environment

Temp: -43 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.07 AU - 2.95 AU

Year: 1385 Days

Day: 14.8 Hours

Environment

Temp: -73 °C

Axial Tilt: 34.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.69 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538

Radius: 12.4

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.17 AU - 8.57 AU

Year: 6271 Days

Day: 8.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,387,609 km

• M1: 154,235 km (0.031 R)
• M2: 578,046 km (0.106 R)
• M3: 2,976,698 km (0.107 R)
• M4: 3,523,479 km (0.094 R)
• M5: 4,331,906 km (0.062 R)
• M6: 4,982,207 km (0.078 R)
• M7: 5,666,767 km (0.1 R)
• M8: 6,380,948 km (0.114 R)
• M9: 7,154,219 km (0.068 R)
• M10: 7,989,125 km (0.034 R)
• M11: 9,680,029 km (0.092 R)
• M12: 10,655,557 km (0.077 R)
• M13: 12,189,982 km (0.104 R)
• M14: 13,595,454 km (0.097 R)
• M15: 14,253,685 km (0.113 R)
• M16: 14,761,271 km (0.107 R)
• M17: 16,913,086 km (0.073 R)
• M18: 19,266,710 km (0.104 R)
• M19: 19,887,541 km (0.077 R)
• M20: 24,614,534 km (0.05 R)
• M21: 26,175,439 km (0.044 R)
• M22: 27,626,987 km (0.051 R)
• M23: 29,131,642 km (0.097 R)
• M24: 30,504,053 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 12.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.66 AU - 8.18 AU

Year: 6339 Days

Day: 11.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,387,609 km

• M1: 156,629 km (0.109 R)
• M2: 723,007 km (0.091 R)
• M3: 1,234,781 km (0.113 R)
• M4: 1,654,253 km (0.114 R)
• M5: 2,126,683 km (0.058 R)
• M6: 3,913,480 km (0.12 R)
• M7: 4,968,594 km (0.09 R)
• M8: 5,619,494 km (0.066 R)
• M9: 8,026,225 km (0.056 R)
• M10: 8,655,284 km (0.098 R)
• M11: 9,763,056 km (0.108 R)
• M12: 10,265,855 km (0.06 R)
• M13: 10,962,981 km (0.062 R)
• M14: 12,598,235 km (0.092 R)
• M15: 14,659,993 km (0.072 R)
• M16: 15,942,645 km (0.098 R)
• M17: 17,177,875 km (0.104 R)
• M18: 19,116,364 km (0.067 R)
• M19: 21,545,983 km (0.067 R)
• M20: 28,086,701 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.7

Radius: 11.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.01 AU - 8.07 AU

Year: 7210 Days

Day: 13.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,387,609 km

• M1: 146,905 km (0.077 R)
• M2: 607,068 km (0.106 R)
• M3: 1,061,098 km (0.106 R)
• M4: 1,462,020 km (0.085 R)
• M5: 2,236,787 km (0.109 R)
• M6: 3,890,741 km (0.101 R)
• M7: 4,420,916 km (0.075 R)
• M8: 5,292,623 km (0.05 R)
• M9: 5,654,949 km (0.103 R)
• M10: 7,829,205 km (0.034 R)
• M11: 8,450,036 km (0.109 R)
• M12: 11,176,607 km (0.111 R)
• M13: 11,869,843 km (0.091 R)
• M14: 13,189,595 km (0.035 R)
• M15: 14,228,553 km (0.096 R)
• M16: 15,489,962 km (0.114 R)
• M17: 16,410,438 km (0.103 R)
• M18: 16,824,525 km (0.055 R)
• M19: 18,550,884 km (0.025 R)
• M20: 19,065,052 km (0.079 R)
• M21: 19,588,794 km (0.107 R)
• M22: 20,122,110 km (0.092 R)
• M23: 20,940,261 km (0.076 R)
• M24: 21,497,812 km (0.115 R)
• M25: 25,841,536 km (0.084 R)
• M26: 26,402,528 km (0.106 R)
• M27: 28,050,050 km (0.066 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 19,265 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit