🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.82 AU - 1.1 AU

Year: 332 Days

Day: 45.9 Hours

Environment

Temp: 102 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.52 AU - 1.6 AU

Year: 688 Days

Day: 41.5 Hours

Environment

Temp: -17 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,108,571 km

• M1: 1,144,274 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.34 AU - 3.16 AU

Year: 1610 Days

Day: 42.1 Hours

Environment

Temp: -78 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3 AU - 4.44 AU

Year: 2533 Days

Day: 26 Hours

Environment

Temp: -106 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,108,571 km

• M1: 56,398 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.8

Radius: 5.7

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 13.3 AU - 21.06 AU

Year: 25144 Days

Day: 21.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,108,571 km

• M1: 70,909 km (0.065 R)
• M2: 549,623 km (0.085 R)
• M3: 846,724 km (0.091 R)
• M4: 1,075,758 km (0.084 R)
• M5: 1,360,742 km (0.114 R)
• M6: 1,577,958 km (0.119 R)
• M7: 1,782,459 km (0.117 R)
• M8: 2,932,268 km (0.112 R)
• M9: 3,992,468 km (0.102 R)
• M10: 4,244,690 km (0.092 R)
• M11: 7,622,311 km (0.077 R)
• M12: 7,814,993 km (0.067 R)
• M13: 9,421,524 km (0.103 R)
• M14: 15,386,889 km (0.117 R)
• M15: 16,007,720 km (0.047 R)
• M16: 19,186,525 km (0.119 R)
• M17: 21,397,133 km (0.052 R)
• M18: 24,916,872 km (0.084 R)
• M19: 25,880,731 km (0.037 R)
• M20: 27,316,272 km (0.109 R)
• M21: 32,065,406 km (0.108 R)
• M22: 33,461,902 km (0.114 R)
• M23: 41,055,939 km (0.111 R)
• M24: 43,770,542 km (0.092 R)
• M25: 45,804,026 km (0.113 R)
• M26: 49,554,444 km (0.119 R)
• M27: 59,153,392 km (0.093 R)
• M28: 62,218,652 km (0.05 R)
• M29: 63,790,327 km (0.073 R)
• M30: 64,187,360 km (0.12 R)
• M31: 68,041,450 km (0.1 R)
• M32: 68,872,017 km (0.077 R)
• M33: 69,709,317 km (0.093 R)
• M34: 69,919,801 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.6

Radius: 3.4

Gravity: 61.99 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 17.25 AU - 17.63 AU

Year: 25717 Days

Day: 16.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,108,571 km

• M1: 47,722 km (0.089 R)
• M2: 498,759 km (0.036 R)
• M3: 1,212,042 km (0.101 R)
• M4: 1,879,398 km (0.113 R)
• M5: 2,556,777 km (0.114 R)
• M6: 4,092,250 km (0.083 R)
• M7: 4,704,105 km (0.106 R)
• M8: 4,934,037 km (0.114 R)
• M9: 5,929,012 km (0.041 R)
• M10: 7,766,074 km (0.097 R)
• M11: 9,400,132 km (0.12 R)
• M12: 10,914,960 km (0.117 R)
• M13: 13,557,008 km (0.058 R)
• M14: 14,820,811 km (0.119 R)
• M15: 16,595,789 km (0.094 R)
• M16: 16,860,428 km (0.087 R)
• M17: 17,127,759 km (0.067 R)
• M18: 19,761,729 km (0.116 R)
• M19: 20,866,210 km (0.067 R)
• M20: 22,117,447 km (0.093 R)
• M21: 22,761,466 km (0.062 R)
• M22: 23,862,356 km (0.098 R)
• M23: 24,312,496 km (0.032 R)
• M24: 26,648,318 km (0.079 R)
• M25: 27,499,978 km (0.108 R)
• M26: 30,822,248 km (0.069 R)
• M27: 33,133,236 km (0.111 R)
• M28: 33,693,180 km (0.085 R)
• M29: 47,489,246 km (0.066 R)
• M30: 48,200,883 km (0.119 R)
• M31: 51,118,789 km (0.085 R)
• M32: 70,899,816 km (0.043 R)
• M33: 71,131,394 km (0.118 R)
• M34: 78,068,098 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.6

Radius: 6.9

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 14.95 AU - 23.63 AU

Year: 29916 Days

Day: 15.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,108,571 km

• M1: 85,869 km (0.057 R)
• M2: 390,899 km (0.064 R)
• M3: 642,972 km (0.073 R)
• M4: 961,466 km (0.109 R)
• M5: 2,862,256 km (0.114 R)
• M6: 3,151,728 km (0.067 R)
• M7: 4,230,329 km (0.107 R)
• M8: 9,694,690 km (0.084 R)
• M9: 33,608,807 km (0.062 R)
• M10: 37,297,442 km (0.101 R)
• M11: 58,759,500 km (0.061 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 16,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit