🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.65 AU - 0.89 AU

Year: 259 Days

Day: 35.9 Hours

Environment

Temp: 92 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.11 AU - 1.11 AU

Year: 448 Days

Day: 25.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2 AU - 2.26 AU

Year: 1190 Days

Day: 31.2 Hours

Environment

Temp: -96 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,405,298 km

• M1: 1,113,457 km (0.11 R)
• M2: 1,347,278 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.78 AU - 4.64 AU

Year: 2736 Days

Day: 21.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.1

Radius: 12.2

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.52 AU - 7.96 AU

Year: 8245 Days

Day: 11.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 35,405,298 km

• M1: 186,997 km (0.096 R)
• M2: 308,172 km (0.091 R)
• M3: 392,545 km (0.075 R)
• M4: 499,507 km (0.084 R)
• M5: 581,936 km (0.033 R)
• M6: 804,687 km (0.115 R)
• M7: 904,918 km (0.066 R)
• M8: 1,009,935 km (0.092 R)
• M9: 1,266,496 km (0.117 R)
• M10: 1,508,695 km (0.059 R)
• M11: 1,691,054 km (0.109 R)
• M12: 1,881,044 km (0.118 R)
• M13: 1,958,984 km (0.107 R)
• M14: 2,535,983 km (0.094 R)
• M15: 2,666,432 km (0.096 R)
• M16: 3,025,467 km (0.069 R)
• M17: 3,187,332 km (0.068 R)
• M18: 3,447,782 km (0.057 R)
• M19: 4,296,750 km (0.085 R)
• M20: 4,798,501 km (0.099 R)
• M21: 5,152,749 km (0.099 R)
• M22: 5,886,676 km (0.11 R)
• M23: 5,973,443 km (0.062 R)
• M24: 6,207,115 km (0.088 R)
• M25: 6,443,779 km (0.036 R)
• M26: 6,563,307 km (0.057 R)
• M27: 7,017,786 km (0.085 R)
• M28: 7,233,506 km (0.08 R)
• M29: 7,420,204 km (0.104 R)
• M30: 8,118,228 km (0.078 R)
• M31: 8,606,216 km (0.052 R)
• M32: 8,770,923 km (0.038 R)
• M33: 9,440,673 km (0.114 R)
• M34: 9,816,014 km (0.076 R)
• M35: 10,231,148 km (0.064 R)
• M36: 10,440,884 km (0.028 R)
• M37: 10,616,811 km (0.058 R)
• M38: 11,007,262 km (0.069 R)
• M39: 11,474,755 km (0.105 R)
• M40: 11,692,719 km (0.112 R)
• M41: 12,840,733 km (0.049 R)
• M42: 12,991,528 km (0.069 R)
• M43: 13,562,094 km (0.093 R)
• M44: 13,985,755 km (0.103 R)
• M45: 14,531,339 km (0.104 R)
• M46: 14,767,255 km (0.044 R)
• M47: 15,203,183 km (0.114 R)
• M48: 17,864,230 km (0.095 R)
• M49: 18,074,714 km (0.072 R)
• M50: 18,201,573 km (0.106 R)
• M51: 18,882,692 km (0.075 R)
• M52: 19,312,487 km (0.07 R)
• M53: 19,398,954 km (0.084 R)
• M54: 20,269,763 km (0.073 R)
• M55: 20,401,559 km (0.087 R)
• M56: 21,287,029 km (0.091 R)
• M57: 22,547,690 km (0.118 R)
• M58: 22,638,646 km (0.063 R)
• M59: 22,775,378 km (0.089 R)
• M60: 22,912,410 km (0.119 R)
• M61: 23,049,591 km (0.05 R)
• M62: 23,232,998 km (0.102 R)
• M63: 23,462,930 km (0.085 R)
• M64: 24,250,563 km (0.1 R)
• M65: 24,952,626 km (0.072 R)
• M66: 25,471,730 km (0.075 R)
• M67: 25,851,559 km (0.086 R)
• M68: 26,376,797 km (0.065 R)
• M69: 27,876,217 km (0.091 R)
• M70: 30,001,255 km (0.098 R)
• M71: 30,653,950 km (0.111 R)
• M72: 31,210,005 km (0.107 R)
• M73: 31,362,146 km (0.053 R)
• M74: 31,718,189 km (0.091 R)
• M75: 31,922,390 km (0.096 R)
• M76: 32,280,528 km (0.093 R)
• M77: 34,772,679 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 18,599 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit