🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.64 AU - 1 AU

Year: 266 Days

Day: 42.7 Hours

Environment

Temp: 179 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,817,104 km

• M1: 73,153 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.17 AU - 1.25 AU

Year: 477 Days

Day: 30.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 47.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,817,104 km

• M1: 174,730 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.93 AU - 4.85 AU

Year: 2748 Days

Day: 36.2 Hours

Environment

Temp: -126 °C

Axial Tilt: 84.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,817,104 km

• M1: 901,776 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.8

Radius: 11.2

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.66 AU - 12.9 AU

Year: 12677 Days

Day: 8.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,817,104 km

• M1: 139,276 km (0.115 R)
• M2: 506,538 km (0.039 R)
• M3: 880,832 km (0.059 R)
• M4: 1,372,560 km (0.09 R)
• M5: 2,754,396 km (0.07 R)
• M6: 3,190,623 km (0.063 R)
• M7: 4,012,065 km (0.115 R)
• M8: 4,429,743 km (0.03 R)
• M9: 9,319,349 km (0.079 R)
• M10: 9,707,107 km (0.104 R)
• M11: 10,258,076 km (0.087 R)
• M12: 11,096,422 km (0.104 R)
• M13: 12,673,034 km (0.104 R)
• M14: 14,716,840 km (0.045 R)
• M15: 15,851,390 km (0.09 R)
• M16: 16,265,477 km (0.108 R)
• M17: 17,994,380 km (0.099 R)
• M18: 21,060,388 km (0.11 R)
• M19: 21,984,454 km (0.106 R)
• M20: 25,385,562 km (0.089 R)
• M21: 27,112,819 km (0.098 R)
• M22: 29,019,743 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.5

Radius: 3.1

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 12.05 AU - 15.19 AU

Year: 18003 Days

Day: 21.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,817,104 km

• M1: 38,596 km (0.07 R)
• M2: 231,877 km (0.074 R)
• M3: 521,797 km (0.097 R)
• M4: 630,854 km (0.098 R)
• M5: 972,685 km (0.107 R)
• M6: 1,253,331 km (0.108 R)
• M7: 1,832,275 km (0.09 R)
• M8: 2,808,102 km (0.114 R)
• M9: 3,038,183 km (0.06 R)
• M10: 3,930,534 km (0.09 R)
• M11: 4,576,498 km (0.118 R)
• M12: 5,321,495 km (0.059 R)
• M13: 5,608,424 km (0.063 R)
• M14: 6,897,210 km (0.042 R)
• M15: 7,511,010 km (0.046 R)
• M16: 7,790,758 km (0.086 R)
• M17: 9,710,099 km (0.084 R)
• M18: 9,898,742 km (0.096 R)
• M19: 10,430,412 km (0.068 R)
• M20: 11,082,809 km (0.09 R)
• M21: 13,145,314 km (0.09 R)
• M22: 14,085,388 km (0.073 R)
• M23: 24,121,460 km (0.105 R)
• M24: 36,455,356 km (0.099 R)
• M25: 36,568,900 km (0.055 R)
• M26: 38,300,795 km (0.057 R)
• M27: 38,771,729 km (0.109 R)
• M28: 40,450,367 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.9

Radius: 5.5

Gravity: 22.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 11.82 AU - 16.02 AU

Year: 18601 Days

Day: 17.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,817,104 km

• M1: 78,539 km (0.095 R)
• M2: 439,967 km (0.118 R)
• M3: 659,727 km (0.09 R)
• M4: 918,830 km (0.12 R)
• M5: 1,403,677 km (0.052 R)
• M6: 2,164,831 km (0.11 R)
• M7: 2,463,877 km (0.026 R)
• M8: 3,586,160 km (0.12 R)
• M9: 5,122,680 km (0.083 R)
• M10: 5,384,177 km (0.083 R)
• M11: 5,733,189 km (0.117 R)
• M12: 6,519,774 km (0.085 R)
• M13: 8,876,539 km (0.075 R)
• M14: 9,868,672 km (0.066 R)
• M15: 10,215,141 km (0.05 R)
• M16: 13,779,759 km (0.066 R)
• M17: 14,067,436 km (0.095 R)
• M18: 18,788,894 km (0.07 R)
• M19: 21,744,499 km (0.073 R)
• M20: 22,331,222 km (0.069 R)
• M21: 26,184,564 km (0.066 R)
• M22: 29,855,696 km (0.081 R)
• M23: 36,392,076 km (0.088 R)
• M24: 44,756,093 km (0.106 R)
• M25: 46,666,457 km (0.108 R)
• M26: 47,315,114 km (0.052 R)
• M27: 49,297,286 km (0.04 R)
• M28: 52,373,167 km (0.068 R)
• M29: 52,547,748 km (0.119 R)
• M30: 60,042,901 km (0.053 R)
• M31: 62,560,334 km (0.075 R)
• M32: 64,544,151 km (0.104 R)
• M33: 69,897,212 km (0.05 R)

Kuiper Belt

Range: 30.6 - 56.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 10,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit