🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.9

Radius: 14.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.73 AU - 1.07 AU

Year: 579 Days

Day: 5.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,651,699 km

• M1: 182,809 km (0.077 R)
• M2: 684,111 km (0.069 R)
• M3: 1,218,475 km (0.119 R)
• M4: 1,719,328 km (0.1 R)
• M5: 2,268,502 km (0.04 R)
• M6: 2,847,446 km (0.116 R)
• M7: 3,337,678 km (0.119 R)
• M8: 4,180,213 km (0.083 R)
• M9: 4,817,949 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 12.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.93 AU - 1.47 AU

Year: 892 Days

Day: 5.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,651,699 km

• M1: 153,039 km (0.089 R)
• M2: 693,237 km (0.105 R)
• M3: 1,131,110 km (0.111 R)
• M4: 1,544,000 km (0.104 R)
• M5: 3,037,734 km (0.078 R)
• M6: 4,786,683 km (0.079 R)
• M7: 5,671,554 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260

Radius: 12.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.44 AU - 2.28 AU

Year: 1721 Days

Day: 8.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,651,699 km

• M1: 274,512 km (0.101 R)
• M2: 1,111,363 km (0.109 R)
• M3: 1,699,432 km (0.116 R)
• M4: 3,945,494 km (0.092 R)
• M5: 4,604,024 km (0.108 R)
• M6: 6,163,731 km (0.104 R)
• M7: 7,615,728 km (0.032 R)
• M8: 8,530,370 km (0.062 R)
• M9: 10,267,051 km (0.108 R)
• M10: 10,704,176 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.5

Radius: 6

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.08 AU - 10.82 AU

Year: 18160 Days

Day: 15.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,651,699 km

• M1: 101,427 km (0.104 R)
• M2: 321,037 km (0.07 R)
• M3: 546,780 km (0.11 R)
• M4: 734,226 km (0.109 R)
• M5: 1,155,344 km (0.114 R)
• M6: 2,511,449 km (0.105 R)
• M7: 3,020,531 km (0.112 R)
• M8: 4,825,579 km (0.114 R)
• M9: 5,243,555 km (0.104 R)
• M10: 5,609,920 km (0.111 R)
• M11: 8,129,298 km (0.117 R)
• M12: 8,323,326 km (0.074 R)
• M13: 8,670,393 km (0.102 R)
• M14: 9,182,916 km (0.107 R)
• M15: 11,077,274 km (0.113 R)
• M16: 14,034,674 km (0.089 R)
• M17: 19,569,197 km (0.105 R)
• M18: 22,007,044 km (0.083 R)
• M19: 23,543,414 km (0.12 R)
• M20: 25,459,014 km (0.115 R)
• M21: 31,466,267 km (0.083 R)
• M22: 34,036,807 km (0.085 R)
• M23: 35,956,297 km (0.078 R)
• M24: 40,009,651 km (0.049 R)
• M25: 40,572,139 km (0.11 R)
• M26: 41,569,060 km (0.066 R)
• M27: 46,644,766 km (0.116 R)
• M28: 52,620,901 km (0.116 R)
• M29: 55,704,413 km (0.085 R)
• M30: 59,269,330 km (0.094 R)
• M31: 62,040,780 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185

Radius: 5.5

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 9.14 AU - 12.46 AU

Year: 24073 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,651,699 km

• M1: 119,080 km (0.05 R)
• M2: 575,802 km (0.049 R)
• M3: 1,000,959 km (0.078 R)
• M4: 1,614,610 km (0.093 R)
• M5: 2,065,947 km (0.029 R)
• M6: 2,272,392 km (0.046 R)
• M7: 5,304,142 km (0.079 R)
• M8: 7,100,065 km (0.097 R)
• M9: 10,416,350 km (0.104 R)
• M10: 10,690,563 km (0.086 R)
• M11: 11,659,060 km (0.116 R)
• M12: 12,014,504 km (0.073 R)
• M13: 12,561,135 km (0.116 R)
• M14: 13,769,287 km (0.109 R)
• M15: 17,162,915 km (0.107 R)
• M16: 19,379,656 km (0.115 R)
• M17: 20,901,366 km (0.113 R)
• M18: 28,208,025 km (0.068 R)
• M19: 32,895,375 km (0.102 R)
• M20: 36,418,255 km (0.084 R)
• M21: 38,076,099 km (0.111 R)
• M22: 38,335,651 km (0.05 R)
• M23: 38,726,999 km (0.089 R)
• M24: 40,723,832 km (0.075 R)
• M25: 43,350,471 km (0.114 R)
• M26: 46,235,017 km (0.066 R)
• M27: 46,530,323 km (0.032 R)
• M28: 53,349,742 km (0.101 R)
• M29: 54,000,792 km (0.092 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 16,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit