🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.28 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 8.4

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.08 AU - 3.04 AU

Year: 2879 Days

Day: 10 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,833,267 km

• M1: 104,719 km (0.1 R)
• M2: 474,973 km (0.114 R)
• M3: 959,521 km (0.092 R)
• M4: 1,292,077 km (0.102 R)
• M5: 2,307,547 km (0.026 R)
• M6: 2,732,854 km (0.085 R)
• M7: 3,138,264 km (0.096 R)
• M8: 3,862,168 km (0.054 R)
• M9: 4,351,802 km (0.038 R)
• M10: 4,882,127 km (0.054 R)
• M11: 5,506,698 km (0.096 R)
• M12: 6,411,466 km (0.084 R)
• M13: 6,944,932 km (0.078 R)
• M14: 7,380,112 km (0.111 R)
• M15: 9,454,436 km (0.094 R)
• M16: 10,067,338 km (0.054 R)
• M17: 10,463,773 km (0.107 R)
• M18: 11,414,916 km (0.1 R)
• M19: 12,154,229 km (0.096 R)
• M20: 12,786,728 km (0.111 R)
• M21: 13,488,642 km (0.119 R)
• M22: 14,068,333 km (0.115 R)
• M23: 15,020,075 km (0.063 R)
• M24: 15,537,983 km (0.107 R)
• M25: 15,801,275 km (0.12 R)
• M26: 18,601,598 km (0.084 R)
• M27: 18,958,389 km (0.108 R)
• M28: 20,118,670 km (0.083 R)
• M29: 20,557,889 km (0.113 R)

Planet 2 - Ice Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879

Radius: 6.5

Gravity: 20.8 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.76 AU - 6.38 AU

Year: 9240 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,833,267 km

• M1: 80,783 km (0.076 R)
• M2: 419,173 km (0.084 R)
• M3: 968,048 km (0.085 R)
• M4: 1,347,428 km (0.069 R)
• M5: 1,667,268 km (0.03 R)
• M6: 2,269,400 km (0.077 R)
• M7: 2,682,439 km (0.083 R)
• M8: 3,238,196 km (0.06 R)
• M9: 3,976,012 km (0.111 R)
• M10: 5,674,397 km (0.097 R)
• M11: 7,097,970 km (0.09 R)
• M12: 7,550,953 km (0.066 R)
• M13: 7,935,868 km (0.102 R)
• M14: 8,978,864 km (0.12 R)
• M15: 11,005,616 km (0.103 R)
• M16: 11,952,720 km (0.115 R)
• M17: 15,593,184 km (0.092 R)
• M18: 20,727,683 km (0.081 R)
• M19: 22,515,976 km (0.108 R)
• M20: 24,312,347 km (0.112 R)
• M21: 24,962,948 km (0.115 R)
• M22: 26,105,427 km (0.076 R)
• M23: 26,396,395 km (0.071 R)
• M24: 28,391,581 km (0.095 R)
• M25: 28,699,304 km (0.108 R)
• M26: 30,592,615 km (0.079 R)
• M27: 40,536,236 km (0.07 R)
• M28: 41,057,136 km (0.117 R)
• M29: 43,456,536 km (0.111 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.8

Radius: 4.9

Gravity: 19.15 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.41 AU - 5.97 AU

Year: 9541 Days

Day: 18.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,833,267 km

• M1: 61,485 km (0.091 R)
• M2: 301,739 km (0.037 R)
• M3: 622,327 km (0.1 R)
• M4: 834,008 km (0.094 R)
• M5: 1,728,603 km (0.095 R)
• M6: 4,552,413 km (0.112 R)
• M7: 8,067,215 km (0.091 R)
• M8: 11,683,893 km (0.097 R)
• M9: 14,413,156 km (0.079 R)
• M10: 15,156,359 km (0.096 R)
• M11: 15,409,777 km (0.097 R)
• M12: 19,038,723 km (0.073 R)
• M13: 27,737,240 km (0.077 R)
• M14: 28,402,951 km (0.109 R)
• M15: 30,363,581 km (0.104 R)
• M16: 36,217,345 km (0.053 R)
• M17: 39,228,900 km (0.056 R)
• M18: 40,067,247 km (0.052 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.3

Radius: 4.6

Gravity: 23.17 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.83 AU - 9.83 AU

Year: 16900 Days

Day: 21 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,833,267 km

• M1: 57,894 km (0.055 R)
• M2: 220,358 km (0.064 R)
• M3: 400,025 km (0.076 R)
• M4: 652,845 km (0.11 R)
• M5: 855,999 km (0.113 R)
• M6: 1,539,512 km (0.113 R)
• M7: 2,162,886 km (0.103 R)
• M8: 2,531,196 km (0.108 R)
• M9: 2,845,800 km (0.108 R)
• M10: 3,831,351 km (0.071 R)
• M11: 4,276,704 km (0.119 R)
• M12: 5,449,102 km (0.105 R)
• M13: 5,744,409 km (0.108 R)
• M14: 5,896,101 km (0.072 R)
• M15: 6,694,954 km (0.025 R)
• M16: 9,363,929 km (0.069 R)
• M17: 10,168,766 km (0.085 R)
• M18: 10,503,416 km (0.071 R)
• M19: 11,551,200 km (0.112 R)
• M20: 11,976,806 km (0.081 R)
• M21: 15,472,160 km (0.108 R)
• M22: 16,824,973 km (0.056 R)
• M23: 18,254,680 km (0.105 R)
• M24: 22,553,225 km (0.091 R)
• M25: 22,741,719 km (0.088 R)
• M26: 23,313,631 km (0.111 R)
• M27: 24,985,836 km (0.119 R)
• M28: 28,020,280 km (0.112 R)
• M29: 33,813,008 km (0.117 R)
• M30: 34,557,557 km (0.067 R)
• M31: 35,313,026 km (0.106 R)
• M32: 41,052,199 km (0.082 R)
• M33: 45,856,235 km (0.12 R)
• M34: 47,847,233 km (0.078 R)
• M35: 50,054,999 km (0.079 R)
• M36: 54,842,430 km (0.043 R)
• M37: 58,671,537 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 17,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit