🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.74 AU - 0.84 AU

Year: 254 Days

Day: 29.1 Hours

Environment

Temp: 99 °C

Axial Tilt: 113.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,622,747 km

• M1: 40,990 km (0.025 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.03 AU - 1.49 AU

Year: 512 Days

Day: 18.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 55.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 65,622,747 km

• M1: 32,313 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.48 AU - 1.68 AU

Year: 718 Days

Day: 24.8 Hours

Environment

Temp: -47 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 10.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.85 AU - 7.07 AU

Year: 6641 Days

Day: 8.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,622,747 km

• M1: 133,142 km (0.106 R)
• M2: 641,027 km (0.065 R)
• M3: 1,303,147 km (0.088 R)
• M4: 1,707,660 km (0.093 R)
• M5: 2,122,943 km (0.075 R)
• M6: 2,706,973 km (0.086 R)
• M7: 4,386,060 km (0.09 R)
• M8: 10,328,387 km (0.105 R)
• M9: 12,145,103 km (0.096 R)
• M10: 13,129,158 km (0.033 R)
• M11: 15,200,041 km (0.086 R)
• M12: 16,459,805 km (0.05 R)
• M13: 19,978,796 km (0.087 R)
• M14: 23,000,224 km (0.109 R)
• M15: 27,540,519 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.1

Radius: 3.8

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 13.37 AU - 14.43 AU

Year: 18742 Days

Day: 16.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,622,747 km

• M1: 47,273 km (0.101 R)
• M2: 302,936 km (0.09 R)
• M3: 524,939 km (0.111 R)
• M4: 700,716 km (0.106 R)
• M5: 857,645 km (0.102 R)
• M6: 1,329,925 km (0.097 R)
• M7: 1,544,000 km (0.104 R)
• M8: 1,704,219 km (0.107 R)
• M9: 2,617,364 km (0.073 R)
• M10: 3,790,361 km (0.107 R)
• M11: 4,419,121 km (0.054 R)
• M12: 5,845,238 km (0.03 R)
• M13: 7,429,180 km (0.104 R)
• M14: 10,772,094 km (0.027 R)
• M15: 11,412,223 km (0.114 R)
• M16: 11,741,638 km (0.087 R)
• M17: 11,964,688 km (0.049 R)
• M18: 14,039,012 km (0.072 R)
• M19: 17,400,327 km (0.079 R)
• M20: 19,733,006 km (0.089 R)
• M21: 23,214,149 km (0.103 R)
• M22: 25,191,085 km (0.087 R)
• M23: 27,277,526 km (0.098 R)
• M24: 28,663,550 km (0.083 R)
• M25: 29,681,863 km (0.097 R)
• M26: 29,888,308 km (0.112 R)
• M27: 34,792,126 km (0.088 R)
• M28: 38,710,693 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.4

Radius: 5.5

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 14.82 AU - 23.68 AU

Year: 30545 Days

Day: 15.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,622,747 km

• M1: 68,665 km (0.107 R)
• M2: 1,667,268 km (0.079 R)
• M3: 2,002,517 km (0.049 R)
• M4: 3,927,243 km (0.048 R)
• M5: 4,821,839 km (0.076 R)
• M6: 5,729,150 km (0.119 R)
• M7: 5,923,328 km (0.119 R)
• M8: 6,532,789 km (0.103 R)
• M9: 7,547,063 km (0.08 R)
• M10: 9,127,265 km (0.095 R)
• M11: 10,448,364 km (0.1 R)
• M12: 11,335,928 km (0.105 R)
• M13: 13,125,268 km (0.109 R)
• M14: 13,531,875 km (0.097 R)
• M15: 14,947,969 km (0.109 R)
• M16: 15,316,877 km (0.119 R)
• M17: 15,767,616 km (0.117 R)
• M18: 17,658,981 km (0.094 R)
• M19: 19,696,504 km (0.086 R)
• M20: 20,050,752 km (0.116 R)
• M21: 21,980,266 km (0.081 R)
• M22: 24,231,863 km (0.041 R)
• M23: 25,257,057 km (0.104 R)
• M24: 26,525,049 km (0.107 R)
• M25: 31,417,198 km (0.087 R)
• M26: 35,035,821 km (0.087 R)
• M27: 39,200,925 km (0.076 R)
• M28: 41,619,324 km (0.077 R)
• M29: 42,643,471 km (0.091 R)
• M30: 49,468,276 km (0.065 R)
• M31: 52,120,048 km (0.096 R)
• M32: 52,457,989 km (0.1 R)
• M33: 60,454,893 km (0.088 R)
• M34: 61,015,137 km (0.108 R)
• M35: 64,644,381 km (0.116 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 10,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit