🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.27 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.4

Radius: 10.8

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.49 AU - 4.59 AU

Year: 6561 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,573,228 km

• M1: 134,937 km (0.105 R)
• M2: 537,056 km (0.065 R)
• M3: 1,333,964 km (0.1 R)
• M4: 2,364,394 km (0.055 R)
• M5: 3,444,042 km (0.095 R)
• M6: 4,496,613 km (0.096 R)
• M7: 5,943,823 km (0.065 R)
• M8: 6,307,495 km (0.109 R)
• M9: 6,827,497 km (0.08 R)
• M10: 7,603,312 km (0.117 R)
• M11: 8,436,871 km (0.073 R)
• M12: 9,777,268 km (0.102 R)
• M13: 11,813,145 km (0.117 R)
• M14: 12,821,286 km (0.088 R)
• M15: 13,206,799 km (0.118 R)
• M16: 14,410,164 km (0.11 R)
• M17: 14,887,232 km (0.062 R)
• M18: 15,313,436 km (0.101 R)
• M19: 15,936,362 km (0.034 R)
• M20: 17,838,499 km (0.106 R)
• M21: 20,108,048 km (0.044 R)
• M22: 20,704,345 km (0.088 R)
• M23: 22,484,111 km (0.094 R)
• M24: 23,126,484 km (0.099 R)
• M25: 27,970,763 km (0.058 R)
• M26: 29,565,476 km (0.107 R)
• M27: 31,022,260 km (0.089 R)
• M28: 33,244,536 km (0.089 R)
• M29: 36,443,238 km (0.11 R)

Planet 2 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.8

Radius: 6.7

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.89 AU - 8.87 AU

Year: 13598 Days

Day: 20.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,573,228 km

• M1: 83,476 km (0.07 R)
• M2: 324,777 km (0.079 R)
• M3: 627,264 km (0.106 R)
• M4: 1,101,788 km (0.094 R)
• M5: 1,390,512 km (0.071 R)
• M6: 1,810,134 km (0.094 R)
• M7: 2,700,840 km (0.093 R)
• M8: 2,969,219 km (0.104 R)
• M9: 4,051,410 km (0.054 R)
• M10: 4,587,867 km (0.102 R)
• M11: 5,204,211 km (0.116 R)
• M12: 9,540,155 km (0.091 R)
• M13: 10,111,470 km (0.031 R)
• M14: 13,188,847 km (0.027 R)
• M15: 18,296,119 km (0.067 R)
• M16: 20,170,431 km (0.103 R)
• M17: 38,402,521 km (0.04 R)
• M18: 42,142,767 km (0.102 R)
• M19: 52,381,395 km (0.097 R)
• M20: 53,343,010 km (0.114 R)
• M21: 54,643,315 km (0.066 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.8

Radius: 3.1

Gravity: 77.4 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.05 AU - 10.03 AU

Year: 15462 Days

Day: 16.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,573,228 km

• M1: 39,045 km (0.043 R)
• M2: 144,063 km (0.119 R)
• M3: 247,734 km (0.116 R)
• M4: 497,263 km (0.117 R)
• M5: 683,812 km (0.116 R)
• M6: 839,543 km (0.117 R)
• M7: 1,130,212 km (0.089 R)
• M8: 1,483,861 km (0.03 R)
• M9: 2,195,947 km (0.111 R)
• M10: 2,404,636 km (0.084 R)
• M11: 3,187,781 km (0.12 R)
• M12: 5,840,450 km (0.055 R)
• M13: 9,565,737 km (0.064 R)
• M14: 14,982,825 km (0.112 R)
• M15: 15,428,178 km (0.103 R)
• M16: 17,705,656 km (0.083 R)
• M17: 19,929,279 km (0.1 R)
• M18: 20,740,548 km (0.043 R)
• M19: 21,200,561 km (0.06 R)
• M20: 21,479,861 km (0.106 R)
• M21: 21,855,950 km (0.095 R)
• M22: 22,815,470 km (0.111 R)
• M23: 28,486,427 km (0.114 R)
• M24: 29,169,191 km (0.077 R)
• M25: 32,376,719 km (0.11 R)
• M26: 41,334,340 km (0.111 R)
• M27: 42,355,795 km (0.079 R)
• M28: 42,798,604 km (0.107 R)
• M29: 43,693,499 km (0.111 R)
• M30: 56,665,878 km (0.118 R)
• M31: 59,572,415 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.1

Radius: 7.9

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.53 AU - 10.87 AU

Year: 23739 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,573,228 km

• M1: 99,483 km (0.11 R)
• M2: 457,620 km (0.092 R)
• M3: 711,787 km (0.056 R)
• M4: 1,417,739 km (0.12 R)
• M5: 1,829,881 km (0.063 R)
• M6: 2,548,998 km (0.046 R)
• M7: 2,843,856 km (0.042 R)
• M8: 3,743,388 km (0.081 R)
• M9: 4,191,882 km (0.054 R)
• M10: 6,091,476 km (0.094 R)
• M11: 6,396,955 km (0.12 R)
• M12: 7,473,311 km (0.11 R)
• M13: 7,925,695 km (0.11 R)
• M14: 9,566,784 km (0.077 R)
• M15: 12,159,465 km (0.062 R)
• M16: 14,560,361 km (0.115 R)
• M17: 17,347,219 km (0.115 R)
• M18: 18,410,262 km (0.086 R)
• M19: 19,989,567 km (0.096 R)
• M20: 23,203,976 km (0.096 R)
• M21: 25,155,630 km (0.118 R)
• M22: 31,793,437 km (0.103 R)
• M23: 34,333,160 km (0.12 R)
• M24: 41,970,131 km (0.081 R)
• M25: 42,759,111 km (0.111 R)
• M26: 43,718,931 km (0.115 R)
• M27: 45,020,881 km (0.066 R)
• M28: 47,531,582 km (0.071 R)
• M29: 51,560,253 km (0.08 R)
• M30: 52,647,380 km (0.115 R)
• M31: 58,118,324 km (0.086 R)
• M32: 60,089,426 km (0.043 R)
• M33: 61,293,240 km (0.054 R)
• M34: 64,791,287 km (0.047 R)
• M35: 70,173,668 km (0.103 R)
• M36: 73,542,164 km (0.089 R)
• M37: 79,153,281 km (0.093 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 18,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit