🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.6 AU - 0.74 AU

Year: 204 Days

Day: 34.9 Hours

Environment

Temp: 197 °C

Axial Tilt: 33.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1 AU - 1.26 AU

Year: 448 Days

Day: 28.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.09 AU - 1.23 AU

Year: 466 Days

Day: 30.7 Hours

Environment

Temp: 8 °C

Axial Tilt: 21.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.14 AU - 1.82 AU

Year: 671 Days

Day: 43.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.1 AU - 3.74 AU

Year: 2358 Days

Day: 42.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,598,194 km

• M1: 89,310 km (0.114 R)
• M2: 702,960 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.1

Radius: 10.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.71 AU - 6.43 AU

Year: 4900 Days

Day: 15 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,598,194 km

• M1: 154,684 km (0.106 R)
• M2: 1,078,601 km (0.1 R)
• M3: 1,659,040 km (0.032 R)
• M4: 3,088,747 km (0.047 R)
• M5: 3,464,238 km (0.059 R)
• M6: 3,947,439 km (0.12 R)
• M7: 4,453,977 km (0.113 R)
• M8: 6,956,301 km (0.094 R)
• M9: 7,484,681 km (0.06 R)
• M10: 11,718,600 km (0.097 R)
• M11: 12,089,303 km (0.093 R)
• M12: 15,786,315 km (0.116 R)
• M13: 16,596,687 km (0.034 R)
• M14: 17,275,413 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 10.7

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.84 AU - 10.82 AU

Year: 11489 Days

Day: 5.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,598,194 km

• M1: 133,292 km (0.048 R)
• M2: 695,481 km (0.061 R)
• M3: 1,673,551 km (0.055 R)
• M4: 2,905,041 km (0.11 R)
• M5: 3,239,243 km (0.066 R)
• M6: 3,776,149 km (0.075 R)
• M7: 5,750,692 km (0.084 R)
• M8: 6,208,760 km (0.068 R)
• M9: 7,731,068 km (0.069 R)
• M10: 8,158,619 km (0.1 R)
• M11: 13,530,230 km (0.12 R)
• M12: 14,599,107 km (0.069 R)
• M13: 19,286,008 km (0.119 R)
• M14: 26,878,100 km (0.097 R)
• M15: 31,276,277 km (0.079 R)
• M16: 35,076,512 km (0.113 R)
• M17: 36,488,267 km (0.11 R)
• M18: 44,526,609 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.6

Radius: 14.5

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.29 AU - 11.67 AU

Year: 11753 Days

Day: 13.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 60.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,598,194 km

• M1: 180,415 km (0.106 R)
• M2: 697,575 km (0.109 R)
• M3: 1,557,763 km (0.12 R)
• M4: 2,469,861 km (0.102 R)
• M5: 3,715,413 km (0.063 R)
• M6: 4,289,869 km (0.046 R)
• M7: 5,213,785 km (0.093 R)
• M8: 6,686,576 km (0.099 R)
• M9: 7,798,537 km (0.052 R)
• M10: 8,606,216 km (0.099 R)
• M11: 9,419,430 km (0.116 R)
• M12: 10,075,566 km (0.027 R)
• M13: 10,600,804 km (0.111 R)
• M14: 11,199,794 km (0.1 R)
• M15: 11,994,757 km (0.077 R)
• M16: 12,645,508 km (0.094 R)
• M17: 14,874,067 km (0.117 R)
• M18: 16,402,659 km (0.101 R)
• M19: 17,279,302 km (0.117 R)
• M20: 25,551,915 km (0.095 R)
• M21: 29,942,014 km (0.081 R)
• M22: 32,713,165 km (0.106 R)
• M23: 36,137,011 km (0.077 R)
• M24: 40,711,265 km (0.093 R)
• M25: 45,231,066 km (0.096 R)
• M26: 47,392,007 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.4

Radius: 6.1

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 10.57 AU - 17.09 AU

Year: 19173 Days

Day: 15.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,598,194 km

• M1: 75,996 km (0.115 R)
• M2: 310,416 km (0.117 R)
• M3: 684,560 km (0.078 R)
• M4: 1,219,671 km (0.083 R)
• M5: 2,337,766 km (0.092 R)
• M6: 3,476,655 km (0.112 R)
• M7: 4,522,792 km (0.087 R)
• M8: 4,760,952 km (0.1 R)
• M9: 4,976,224 km (0.092 R)
• M10: 5,295,017 km (0.104 R)
• M11: 6,151,913 km (0.114 R)
• M12: 6,370,625 km (0.064 R)
• M13: 6,708,417 km (0.069 R)
• M14: 9,659,235 km (0.095 R)
• M15: 10,307,892 km (0.05 R)
• M16: 11,038,378 km (0.101 R)
• M17: 15,018,729 km (0.051 R)
• M18: 17,800,800 km (0.085 R)
• M19: 20,179,855 km (0.088 R)
• M20: 27,873,524 km (0.066 R)
• M21: 28,272,502 km (0.107 R)
• M22: 33,474,169 km (0.104 R)
• M23: 34,494,127 km (0.089 R)
• M24: 37,921,714 km (0.064 R)
• M25: 38,411,647 km (0.104 R)
• M26: 40,286,407 km (0.073 R)
• M27: 41,959,959 km (0.11 R)
• M28: 42,879,986 km (0.109 R)
• M29: 45,033,148 km (0.046 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.6

Radius: 4

Gravity: 51.98 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 11.75 AU - 16.85 AU

Year: 20159 Days

Day: 20.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,598,194 km

• M1: 49,816 km (0.119 R)
• M2: 201,508 km (0.104 R)
• M3: 390,002 km (0.069 R)
• M4: 517,459 km (0.075 R)
• M5: 815,757 km (0.058 R)
• M6: 1,108,071 km (0.086 R)
• M7: 1,550,283 km (0.109 R)
• M8: 1,745,658 km (0.108 R)
• M9: 1,957,488 km (0.069 R)
• M10: 2,318,318 km (0.035 R)
• M11: 2,647,434 km (0.105 R)
• M12: 3,822,824 km (0.107 R)
• M13: 3,950,431 km (0.071 R)
• M14: 4,384,714 km (0.05 R)
• M15: 5,387,169 km (0.041 R)
• M16: 6,178,242 km (0.084 R)
• M17: 13,915,594 km (0.088 R)
• M18: 15,311,492 km (0.08 R)
• M19: 15,715,256 km (0.067 R)
• M20: 17,929,754 km (0.11 R)
• M21: 18,468,755 km (0.094 R)
• M22: 23,070,834 km (0.062 R)
• M23: 23,601,308 km (0.028 R)
• M24: 26,375,900 km (0.073 R)
• M25: 32,562,221 km (0.101 R)
• M26: 34,452,988 km (0.107 R)
• M27: 34,867,524 km (0.044 R)
• M28: 35,006,351 km (0.051 R)
• M29: 36,273,145 km (0.032 R)
• M30: 38,600,140 km (0.094 R)
• M31: 40,256,338 km (0.112 R)
• M32: 41,179,357 km (0.091 R)
• M33: 41,959,360 km (0.1 R)
• M34: 43,548,688 km (0.032 R)
• M35: 48,729,861 km (0.083 R)
• M36: 52,281,913 km (0.075 R)
• M37: 56,575,372 km (0.112 R)
• M38: 65,643,845 km (0.073 R)
• M39: 75,401,366 km (0.066 R)
• M40: 75,866,466 km (0.042 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 11,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit