🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.98 AU - 1.44 AU

Year: 474 Days

Day: 42.2 Hours

Environment

Temp: 6 °C

Axial Tilt: 36.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.43 AU - 1.45 AU

Year: 616 Days

Day: 21.4 Hours

Environment

Temp: 4 °C

Axial Tilt: 42.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.11 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.64 AU - 2.9 AU

Year: 1643 Days

Day: 44.2 Hours

Environment

Temp: -88 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.01 AU - 4.65 AU

Year: 3212 Days

Day: 38.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,130,155 km

• M1: 747,840 km (0.104 R)
• M2: 1,470,697 km (0.1 R)

Asteroid Belt

Center: 9.19 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 14.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.3

Radius: 7.1

Gravity: 13.95 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 12.14 AU - 15.94 AU

Year: 18752 Days

Day: 15.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,130,155 km

• M1: 88,412 km (0.114 R)
• M2: 693,685 km (0.071 R)
• M3: 1,455,138 km (0.114 R)
• M4: 2,297,524 km (0.118 R)
• M5: 2,656,409 km (0.1 R)
• M6: 2,949,621 km (0.086 R)
• M7: 3,630,441 km (0.089 R)
• M8: 4,023,584 km (0.086 R)
• M9: 4,312,308 km (0.118 R)
• M10: 4,718,616 km (0.1 R)
• M11: 5,686,664 km (0.114 R)
• M12: 7,520,435 km (0.097 R)
• M13: 8,159,965 km (0.097 R)
• M14: 9,213,882 km (0.097 R)
• M15: 10,415,153 km (0.114 R)
• M16: 11,084,454 km (0.086 R)
• M17: 11,589,048 km (0.098 R)
• M18: 12,307,566 km (0.097 R)
• M19: 12,917,327 km (0.118 R)
• M20: 15,558,927 km (0.053 R)
• M21: 17,172,040 km (0.096 R)
• M22: 19,887,840 km (0.097 R)
• M23: 24,320,575 km (0.071 R)
• M24: 28,659,511 km (0.094 R)
• M25: 29,250,572 km (0.052 R)
• M26: 36,024,962 km (0.041 R)
• M27: 40,731,611 km (0.091 R)
• M28: 41,328,506 km (0.071 R)
• M29: 47,457,980 km (0.107 R)
• M30: 51,342,588 km (0.059 R)
• M31: 53,095,725 km (0.093 R)
• M32: 54,346,363 km (0.111 R)
• M33: 66,293,249 km (0.065 R)
• M34: 72,218,671 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80

Radius: 3.9

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 12.28 AU - 17.96 AU

Year: 20957 Days

Day: 19.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,130,155 km

• M1: 48,619 km (0.069 R)
• M2: 208,390 km (0.05 R)
• M3: 836,850 km (0.087 R)
• M4: 2,069,387 km (0.118 R)
• M5: 2,428,123 km (0.118 R)
• M6: 3,312,845 km (0.105 R)
• M7: 3,754,159 km (0.089 R)
• M8: 4,668,202 km (0.077 R)
• M9: 5,818,460 km (0.111 R)
• M10: 6,389,325 km (0.102 R)
• M11: 6,850,535 km (0.051 R)
• M12: 7,958,906 km (0.105 R)
• M13: 9,005,792 km (0.109 R)
• M14: 11,317,827 km (0.057 R)
• M15: 15,388,834 km (0.083 R)
• M16: 19,521,924 km (0.089 R)
• M17: 21,566,179 km (0.062 R)
• M18: 24,850,151 km (0.03 R)
• M19: 26,791,034 km (0.109 R)
• M20: 27,891,177 km (0.025 R)
• M21: 37,343,817 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.3

Radius: 5.8

Gravity: 19.84 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 12.33 AU - 18.81 AU

Year: 21899 Days

Day: 18.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,130,155 km

• M1: 72,106 km (0.096 R)
• M2: 301,290 km (0.091 R)
• M3: 508,633 km (0.099 R)
• M4: 803,041 km (0.116 R)
• M5: 1,308,084 km (0.109 R)
• M6: 2,574,430 km (0.088 R)
• M7: 3,028,310 km (0.06 R)
• M8: 4,193,378 km (0.119 R)
• M9: 4,968,744 km (0.098 R)
• M10: 5,157,536 km (0.116 R)
• M11: 5,429,954 km (0.09 R)
• M12: 6,799,223 km (0.097 R)
• M13: 7,318,926 km (0.077 R)
• M14: 11,007,262 km (0.104 R)
• M15: 13,391,852 km (0.114 R)
• M16: 15,854,532 km (0.096 R)
• M17: 16,182,151 km (0.076 R)
• M18: 16,598,183 km (0.114 R)
• M19: 19,523,869 km (0.099 R)
• M20: 19,805,711 km (0.093 R)
• M21: 24,042,921 km (0.099 R)
• M22: 28,604,908 km (0.058 R)
• M23: 34,253,574 km (0.089 R)
• M24: 34,526,590 km (0.063 R)
• M25: 55,376,793 km (0.066 R)
• M26: 55,941,825 km (0.034 R)
• M27: 70,681,254 km (0.066 R)
• M28: 72,463,114 km (0.047 R)
• M29: 78,460,642 km (0.08 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 16,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit