🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.4

Radius: 10.2

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.44 AU - 0.66 AU

Year: 272 Days

Day: 14.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,545,271 km

• M1: 126,859 km (0.045 R)
• M2: 510,428 km (0.102 R)
• M3: 1,066,483 km (0.054 R)
• M4: 1,397,992 km (0.065 R)
• M5: 1,813,725 km (0.106 R)
• M6: 2,195,199 km (0.115 R)
• M7: 2,898,608 km (0.103 R)
• M8: 3,303,271 km (0.117 R)
• M9: 3,651,834 km (0.096 R)
• M10: 4,253,067 km (0.082 R)
• M11: 4,625,566 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.9

Radius: 12.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.56 AU - 0.74 AU

Year: 349 Days

Day: 6.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,545,271 km

• M1: 154,235 km (0.074 R)
• M2: 690,245 km (0.096 R)
• M3: 1,136,345 km (0.1 R)
• M4: 1,533,229 km (0.088 R)
• M5: 2,095,417 km (0.113 R)
• M6: 2,490,206 km (0.054 R)
• M7: 3,101,313 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.3

Radius: 14.1

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.55 AU - 0.85 AU

Year: 391 Days

Day: 5.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,545,271 km

• M1: 175,927 km (0.077 R)
• M2: 797,357 km (0.05 R)
• M3: 1,543,551 km (0.103 R)
• M4: 2,032,736 km (0.054 R)
• M5: 3,227,724 km (0.058 R)
• M6: 3,741,144 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.6

Radius: 10.9

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.97 AU - 1.45 AU

Year: 888 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 77.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,545,271 km

• M1: 135,984 km (0.079 R)
• M2: 593,754 km (0.106 R)
• M3: 944,411 km (0.057 R)
• M4: 1,367,175 km (0.058 R)
• M5: 1,889,122 km (0.089 R)
• M6: 2,442,484 km (0.089 R)
• M7: 2,817,377 km (0.097 R)
• M8: 4,324,276 km (0.116 R)
• M9: 4,670,894 km (0.098 R)
• M10: 5,883,535 km (0.116 R)
• M11: 6,478,485 km (0.102 R)
• M12: 7,836,684 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.3

Radius: 7.3

Gravity: 16.31 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.58 AU - 7.34 AU

Year: 9703 Days

Day: 16.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,545,271 km

• M1: 90,956 km (0.109 R)
• M2: 467,194 km (0.077 R)
• M3: 700,567 km (0.078 R)
• M4: 1,024,895 km (0.09 R)
• M5: 1,420,881 km (0.109 R)
• M6: 1,692,850 km (0.091 R)
• M7: 2,600,460 km (0.098 R)
• M8: 3,033,546 km (0.088 R)
• M9: 3,389,140 km (0.072 R)
• M10: 4,184,103 km (0.096 R)
• M11: 4,534,760 km (0.08 R)
• M12: 6,063,950 km (0.098 R)
• M13: 6,361,350 km (0.101 R)
• M14: 6,668,325 km (0.105 R)
• M15: 8,041,035 km (0.117 R)
• M16: 8,491,774 km (0.092 R)
• M17: 9,296,610 km (0.09 R)
• M18: 10,255,233 km (0.09 R)
• M19: 12,545,726 km (0.093 R)
• M20: 14,292,730 km (0.102 R)
• M21: 16,409,540 km (0.066 R)
• M22: 20,581,226 km (0.102 R)
• M23: 20,915,727 km (0.069 R)
• M24: 21,941,071 km (0.108 R)
• M25: 27,676,653 km (0.071 R)
• M26: 33,523,686 km (0.097 R)
• M27: 33,870,753 km (0.107 R)
• M28: 40,928,930 km (0.108 R)
• M29: 41,591,050 km (0.114 R)
• M30: 44,729,614 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.4

Radius: 7.5

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.81 AU - 11.19 AU

Year: 18005 Days

Day: 22.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,545,271 km

• M1: 95,892 km (0.101 R)
• M2: 338,839 km (0.089 R)
• M3: 1,152,053 km (0.092 R)
• M4: 1,535,173 km (0.11 R)
• M5: 2,020,020 km (0.073 R)
• M6: 2,319,515 km (0.037 R)
• M7: 3,428,185 km (0.073 R)
• M8: 3,797,243 km (0.112 R)
• M9: 4,649,053 km (0.096 R)
• M10: 6,177,494 km (0.08 R)
• M11: 7,033,194 km (0.109 R)
• M12: 8,411,140 km (0.086 R)
• M13: 10,477,685 km (0.079 R)
• M14: 10,952,359 km (0.072 R)
• M15: 12,927,949 km (0.117 R)
• M16: 14,980,731 km (0.079 R)
• M17: 16,836,492 km (0.091 R)
• M18: 23,215,346 km (0.092 R)
• M19: 24,742,740 km (0.09 R)
• M20: 31,037,818 km (0.088 R)
• M21: 33,522,190 km (0.101 R)
• M22: 33,777,703 km (0.082 R)
• M23: 40,741,035 km (0.063 R)
• M24: 47,791,284 km (0.082 R)
• M25: 50,422,262 km (0.073 R)
• M26: 55,256,218 km (0.055 R)
• M27: 64,246,002 km (0.084 R)
• M28: 64,640,492 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.3

Radius: 3.9

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.29 AU - 9.33 AU

Year: 18943 Days

Day: 17.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,545,271 km

• M1: 67,319 km (0.104 R)
• M2: 215,421 km (0.078 R)
• M3: 381,175 km (0.093 R)
• M4: 1,136,046 km (0.029 R)
• M5: 1,479,373 km (0.088 R)
• M6: 1,839,306 km (0.112 R)
• M7: 2,545,109 km (0.09 R)
• M8: 3,246,274 km (0.1 R)
• M9: 4,350,904 km (0.063 R)
• M10: 4,646,959 km (0.053 R)
• M11: 4,956,177 km (0.096 R)
• M12: 5,615,455 km (0.117 R)
• M13: 6,331,431 km (0.107 R)
• M14: 6,557,623 km (0.08 R)
• M15: 7,727,478 km (0.115 R)
• M16: 9,413,296 km (0.102 R)
• M17: 14,897,405 km (0.034 R)
• M18: 16,754,214 km (0.091 R)
• M19: 16,897,678 km (0.094 R)
• M20: 18,837,214 km (0.088 R)
• M21: 20,920,065 km (0.11 R)
• M22: 21,253,519 km (0.046 R)
• M23: 21,675,385 km (0.079 R)
• M24: 22,102,786 km (0.079 R)
• M25: 22,448,656 km (0.118 R)
• M26: 22,710,453 km (0.107 R)
• M27: 31,002,962 km (0.118 R)
• M28: 34,933,347 km (0.065 R)
• M29: 35,402,635 km (0.101 R)
• M30: 36,114,422 km (0.072 R)
• M31: 40,200,688 km (0.094 R)
• M32: 47,677,589 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 15,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit