🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.6

Radius: 13.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.75 AU - 1.01 AU

Year: 580 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,934,212 km

• M1: 164,109 km (0.113 R)
• M2: 730,486 km (0.106 R)
• M3: 1,452,745 km (0.103 R)
• M4: 2,609,136 km (0.103 R)
• M5: 4,062,181 km (0.107 R)
• M6: 4,889,906 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.6

Radius: 12.3

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.61 AU - 1.91 AU

Year: 1641 Days

Day: 14.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,934,212 km

• M1: 161,715 km (0.065 R)
• M2: 768,634 km (0.093 R)
• M3: 1,340,846 km (0.113 R)
• M4: 2,978,942 km (0.11 R)
• M5: 3,704,791 km (0.097 R)
• M6: 4,490,030 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.7

Radius: 12.8

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.85 AU - 2.83 AU

Year: 2516 Days

Day: 7 Hours

Environment

Temp: -215 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,934,212 km

• M1: 159,172 km (0.068 R)
• M2: 800,349 km (0.109 R)
• M3: 1,490,892 km (0.106 R)
• M4: 2,236,339 km (0.06 R)
• M5: 3,083,362 km (0.036 R)
• M6: 3,934,125 km (0.068 R)
• M7: 4,753,921 km (0.1 R)
• M8: 5,264,947 km (0.078 R)
• M9: 6,452,755 km (0.107 R)
• M10: 7,780,585 km (0.034 R)
• M11: 8,830,314 km (0.089 R)
• M12: 9,247,542 km (0.105 R)
• M13: 10,121,792 km (0.113 R)
• M14: 10,656,754 km (0.101 R)
• M15: 12,290,063 km (0.108 R)
• M16: 15,390,779 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.6

Radius: 13.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.37 AU - 4.29 AU

Year: 5269 Days

Day: 14.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,934,212 km

• M1: 165,605 km (0.068 R)
• M2: 624,571 km (0.089 R)
• M3: 1,183,020 km (0.047 R)
• M4: 1,644,230 km (0.063 R)
• M5: 2,323,405 km (0.06 R)
• M6: 2,984,777 km (0.084 R)
• M7: 3,723,491 km (0.113 R)
• M8: 4,323,378 km (0.107 R)
• M9: 4,794,612 km (0.106 R)
• M10: 5,242,209 km (0.07 R)
• M11: 6,125,584 km (0.099 R)
• M12: 8,830,762 km (0.078 R)
• M13: 11,010,254 km (0.103 R)
• M14: 11,995,505 km (0.077 R)
• M15: 16,282,232 km (0.103 R)
• M16: 16,722,349 km (0.071 R)
• M17: 17,626,369 km (0.08 R)
• M18: 19,602,707 km (0.098 R)
• M19: 21,647,111 km (0.101 R)
• M20: 26,500,365 km (0.042 R)
• M21: 27,551,290 km (0.038 R)
• M22: 32,132,875 km (0.076 R)
• M23: 34,346,026 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.2

Radius: 9.2

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.1 AU - 6.44 AU

Year: 8504 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,934,212 km

• M1: 114,442 km (0.103 R)
• M2: 523,293 km (0.112 R)
• M3: 982,110 km (0.104 R)
• M4: 3,177,160 km (0.103 R)
• M5: 3,554,745 km (0.081 R)
• M6: 3,909,441 km (0.109 R)
• M7: 6,016,976 km (0.096 R)
• M8: 6,338,761 km (0.113 R)
• M9: 8,879,382 km (0.025 R)
• M10: 9,680,029 km (0.114 R)
• M11: 10,073,023 km (0.105 R)
• M12: 11,262,775 km (0.069 R)
• M13: 15,725,878 km (0.075 R)
• M14: 16,201,001 km (0.118 R)
• M15: 18,272,034 km (0.086 R)
• M16: 19,101,853 km (0.098 R)
• M17: 20,917,672 km (0.067 R)
• M18: 21,825,731 km (0.091 R)
• M19: 28,830,202 km (0.118 R)
• M20: 31,426,623 km (0.09 R)
• M21: 35,317,813 km (0.051 R)
• M22: 40,650,529 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.7

Radius: 5.2

Gravity: 27.87 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.39 AU - 6.53 AU

Year: 11541 Days

Day: 21.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 63,934,212 km

• M1: 108,458 km (0.116 R)
• M2: 295,905 km (0.085 R)
• M3: 519,553 km (0.047 R)
• M4: 1,123,181 km (0.117 R)
• M5: 1,607,579 km (0.116 R)
• M6: 2,054,727 km (0.105 R)
• M7: 2,456,846 km (0.112 R)
• M8: 2,752,900 km (0.051 R)
• M9: 3,216,653 km (0.091 R)
• M10: 3,597,679 km (0.03 R)
• M11: 4,921,770 km (0.12 R)
• M12: 7,623,358 km (0.04 R)
• M13: 7,844,314 km (0.074 R)
• M14: 8,115,236 km (0.115 R)
• M15: 9,311,420 km (0.086 R)
• M16: 9,769,339 km (0.063 R)
• M17: 10,457,340 km (0.082 R)
• M18: 11,176,906 km (0.12 R)
• M19: 11,870,142 km (0.117 R)
• M20: 12,838,340 km (0.12 R)
• M21: 13,598,147 km (0.109 R)
• M22: 14,725,367 km (0.07 R)
• M23: 15,985,430 km (0.065 R)
• M24: 16,274,902 km (0.081 R)
• M25: 24,126,247 km (0.091 R)
• M26: 25,673,987 km (0.045 R)
• M27: 26,674,198 km (0.118 R)
• M28: 27,081,403 km (0.079 R)
• M29: 27,700,140 km (0.038 R)
• M30: 28,539,683 km (0.102 R)
• M31: 34,534,369 km (0.074 R)
• M32: 36,998,545 km (0.074 R)
• M33: 37,887,905 km (0.092 R)
• M34: 38,791,476 km (0.039 R)
• M35: 40,507,663 km (0.103 R)
• M36: 41,180,853 km (0.12 R)
• M37: 41,861,673 km (0.11 R)
• M38: 44,659,602 km (0.118 R)
• M39: 52,831,834 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.2

Radius: 6.1

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.05 AU - 9.83 AU

Year: 17235 Days

Day: 21.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,934,212 km

• M1: 154,086 km (0.088 R)
• M2: 460,761 km (0.041 R)
• M3: 1,507,947 km (0.063 R)
• M4: 1,732,044 km (0.091 R)
• M5: 2,168,421 km (0.056 R)
• M6: 2,433,957 km (0.114 R)
• M7: 3,748,474 km (0.098 R)
• M8: 4,381,123 km (0.102 R)
• M9: 5,703,120 km (0.039 R)
• M10: 8,251,220 km (0.111 R)
• M11: 8,951,637 km (0.076 R)
• M12: 9,745,254 km (0.076 R)
• M13: 12,343,021 km (0.077 R)
• M14: 20,872,045 km (0.027 R)
• M15: 22,451,948 km (0.104 R)
• M16: 30,613,708 km (0.12 R)
• M17: 31,560,513 km (0.1 R)
• M18: 33,017,148 km (0.087 R)
• M19: 39,154,550 km (0.099 R)
• M20: 41,693,226 km (0.1 R)
• M21: 44,640,304 km (0.112 R)
• M22: 51,110,113 km (0.104 R)
• M23: 51,440,724 km (0.114 R)
• M24: 53,454,910 km (0.038 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: 456 - 16,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit