🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.4 AU - 0.62 AU

Year: 133 Days

Day: 36.7 Hours

Environment

Temp: 184 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 88,803,738 km

• M1: 39,045 km (0.118 R)
• M2: 60,886 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.99 AU - 1.49 AU

Year: 504 Days

Day: 16.7 Hours

Environment

Temp: 17 °C

Axial Tilt: 163.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 88,803,738 km

• M1: 265,835 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.27 AU - 1.47 AU

Year: 586 Days

Day: 43.8 Hours

Environment

Temp: -16 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.15 AU - 3.57 AU

Year: 1767 Days

Day: 29.9 Hours

Environment

Temp: -99 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,803,738 km

• M1: 35,155 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.6

Radius: 11.5

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 8.02 AU - 8.54 AU

Year: 8702 Days

Day: 11.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 88,803,738 km

• M1: 143,016 km (0.039 R)
• M2: 1,171,501 km (0.05 R)
• M3: 1,771,239 km (0.098 R)
• M4: 2,237,835 km (0.119 R)
• M5: 3,762,985 km (0.064 R)
• M6: 4,513,368 km (0.08 R)
• M7: 5,016,166 km (0.099 R)
• M8: 7,291,999 km (0.106 R)
• M9: 8,070,506 km (0.112 R)
• M10: 9,178,278 km (0.113 R)
• M11: 17,112,351 km (0.109 R)
• M12: 17,681,870 km (0.062 R)
• M13: 19,620,658 km (0.103 R)
• M14: 20,402,756 km (0.09 R)
• M15: 21,124,416 km (0.064 R)
• M16: 22,364,732 km (0.106 R)
• M17: 25,081,130 km (0.056 R)
• M18: 26,189,351 km (0.097 R)
• M19: 26,565,889 km (0.098 R)
• M20: 28,108,542 km (0.04 R)
• M21: 28,702,147 km (0.045 R)
• M22: 31,477,337 km (0.06 R)
• M23: 37,198,857 km (0.048 R)
• M24: 38,275,812 km (0.059 R)
• M25: 39,992,148 km (0.077 R)
• M26: 43,974,294 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.5

Radius: 9.8

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 9.75 AU - 14.03 AU

Year: 14975 Days

Day: 12.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,803,738 km

• M1: 121,922 km (0.109 R)
• M2: 510,877 km (0.074 R)
• M3: 931,696 km (0.116 R)
• M4: 1,285,046 km (0.074 R)
• M5: 2,015,981 km (0.119 R)
• M6: 2,420,494 km (0.115 R)
• M7: 3,078,275 km (0.105 R)
• M8: 4,921,321 km (0.099 R)
• M9: 5,468,999 km (0.086 R)
• M10: 6,557,024 km (0.106 R)
• M11: 7,687,535 km (0.073 R)
• M12: 8,578,690 km (0.055 R)
• M13: 11,045,559 km (0.105 R)
• M14: 13,808,931 km (0.113 R)
• M15: 17,002,845 km (0.077 R)
• M16: 18,083,540 km (0.081 R)
• M17: 21,125,912 km (0.104 R)
• M18: 21,696,179 km (0.112 R)
• M19: 28,433,020 km (0.103 R)
• M20: 39,083,790 km (0.096 R)
• M21: 42,747,891 km (0.118 R)
• M22: 45,052,895 km (0.073 R)
• M23: 52,463,524 km (0.062 R)
• M24: 68,601,245 km (0.084 R)
• M25: 69,433,009 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.4

Radius: 7.8

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 16.78 AU - 21.48 AU

Year: 30561 Days

Day: 19.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,803,738 km

• M1: 97,089 km (0.11 R)
• M2: 883,824 km (0.055 R)
• M3: 1,882,091 km (0.063 R)
• M4: 5,440,426 km (0.028 R)
• M5: 5,816,964 km (0.117 R)
• M6: 6,906,634 km (0.092 R)
• M7: 8,901,373 km (0.099 R)
• M8: 12,002,985 km (0.108 R)
• M9: 12,284,229 km (0.095 R)
• M10: 19,257,584 km (0.109 R)
• M11: 20,831,803 km (0.119 R)
• M12: 30,653,950 km (0.075 R)
• M13: 31,445,323 km (0.082 R)
• M14: 33,206,688 km (0.101 R)
• M15: 45,005,771 km (0.101 R)
• M16: 46,891,004 km (0.109 R)
• M17: 48,650,125 km (0.111 R)
• M18: 49,726,332 km (0.077 R)
• M19: 70,076,729 km (0.111 R)
• M20: 78,824,614 km (0.109 R)
• M21: 85,908,522 km (0.068 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 20,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit