🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.1

Radius: 8.1

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.72 AU - 0.86 AU

Year: 468 Days

Day: 8.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,532,131 km

• M1: 100,979 km (0.087 R)
• M2: 365,168 km (0.037 R)
• M3: 719,267 km (0.089 R)
• M4: 1,011,132 km (0.108 R)
• M5: 1,268,141 km (0.116 R)
• M6: 1,649,915 km (0.107 R)
• M7: 1,960,031 km (0.056 R)
• M8: 3,155,917 km (0.031 R)
• M9: 3,534,848 km (0.11 R)
• M10: 3,835,390 km (0.089 R)
• M11: 4,473,126 km (0.11 R)
• M12: 4,920,274 km (0.109 R)
• M13: 5,516,571 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699

Radius: 8.6

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.44 AU - 2.08 AU

Year: 1557 Days

Day: 9.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,532,131 km

• M1: 109,206 km (0.084 R)
• M2: 392,096 km (0.117 R)
• M3: 676,033 km (0.063 R)
• M4: 1,007,392 km (0.035 R)
• M5: 1,573,620 km (0.042 R)
• M6: 2,387,881 km (0.066 R)
• M7: 2,728,067 km (0.096 R)
• M8: 3,070,795 km (0.093 R)
• M9: 3,672,478 km (0.087 R)
• M10: 4,600,883 km (0.088 R)
• M11: 5,410,506 km (0.082 R)
• M12: 6,785,909 km (0.033 R)
• M13: 8,204,845 km (0.076 R)
• M14: 8,558,644 km (0.114 R)
• M15: 9,108,416 km (0.104 R)
• M16: 9,391,904 km (0.063 R)
• M17: 10,010,042 km (0.114 R)
• M18: 10,551,287 km (0.051 R)
• M19: 11,877,772 km (0.066 R)
• M20: 12,292,756 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.3

Radius: 8.8

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.32 AU - 3.16 AU

Year: 3025 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,532,131 km

• M1: 112,198 km (0.086 R)
• M2: 514,168 km (0.066 R)
• M3: 889,509 km (0.095 R)
• M4: 1,416,243 km (0.067 R)
• M5: 2,036,775 km (0.06 R)
• M6: 2,859,563 km (0.056 R)
• M7: 5,536,767 km (0.066 R)
• M8: 6,515,735 km (0.1 R)
• M9: 7,699,354 km (0.12 R)
• M10: 8,342,176 km (0.117 R)
• M11: 12,233,067 km (0.111 R)
• M12: 12,665,405 km (0.116 R)
• M13: 13,744,903 km (0.087 R)
• M14: 14,982,376 km (0.106 R)
• M15: 16,240,794 km (0.11 R)
• M16: 17,351,109 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.8

Radius: 12.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.93 AU - 3.33 AU

Year: 3693 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,532,131 km

• M1: 160,369 km (0.116 R)
• M2: 589,864 km (0.071 R)
• M3: 1,044,343 km (0.087 R)
• M4: 1,694,794 km (0.102 R)
• M5: 2,107,834 km (0.096 R)
• M6: 3,964,044 km (0.094 R)
• M7: 4,494,070 km (0.108 R)
• M8: 5,248,641 km (0.071 R)
• M9: 5,697,435 km (0.077 R)
• M10: 6,171,660 km (0.101 R)
• M11: 6,763,619 km (0.1 R)
• M12: 8,164,902 km (0.093 R)
• M13: 9,214,032 km (0.092 R)
• M14: 9,790,881 km (0.101 R)
• M15: 11,535,492 km (0.06 R)
• M16: 12,206,289 km (0.105 R)
• M17: 12,997,661 km (0.071 R)
• M18: 14,426,471 km (0.096 R)
• M19: 17,017,655 km (0.114 R)
• M20: 21,464,901 km (0.108 R)
• M21: 23,883,749 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.6

Radius: 10.8

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.34 AU - 3.6 AU

Year: 4310 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,532,131 km

• M1: 138,827 km (0.094 R)
• M2: 591,061 km (0.09 R)
• M3: 976,425 km (0.086 R)
• M4: 1,368,671 km (0.112 R)
• M5: 2,388,031 km (0.119 R)
• M6: 3,554,595 km (0.099 R)
• M7: 4,554,507 km (0.117 R)
• M8: 5,067,029 km (0.057 R)
• M9: 5,560,852 km (0.082 R)
• M10: 6,238,381 km (0.06 R)
• M11: 6,709,315 km (0.115 R)
• M12: 8,340,680 km (0.101 R)
• M13: 9,109,463 km (0.119 R)
• M14: 10,966,870 km (0.105 R)
• M15: 12,224,540 km (0.082 R)
• M16: 16,220,598 km (0.078 R)
• M17: 16,811,958 km (0.094 R)
• M18: 20,393,032 km (0.1 R)
• M19: 22,144,524 km (0.089 R)
• M20: 23,019,971 km (0.114 R)
• M21: 24,299,481 km (0.117 R)
• M22: 25,388,255 km (0.088 R)
• M23: 25,864,724 km (0.075 R)
• M24: 26,428,259 km (0.045 R)
• M25: 28,167,633 km (0.077 R)
• M26: 28,678,361 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.4

Radius: 14.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.56 AU - 5.9 AU

Year: 6860 Days

Day: 11.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,532,131 km

• M1: 190,737 km (0.058 R)
• M2: 721,361 km (0.063 R)
• M3: 1,434,494 km (0.079 R)
• M4: 2,292,139 km (0.105 R)
• M5: 3,225,330 km (0.083 R)
• M6: 4,564,530 km (0.113 R)
• M7: 6,457,990 km (0.093 R)
• M8: 7,192,965 km (0.114 R)
• M9: 8,484,593 km (0.093 R)
• M10: 9,412,997 km (0.095 R)
• M11: 10,457,190 km (0.113 R)
• M12: 11,264,271 km (0.071 R)
• M13: 16,466,238 km (0.117 R)
• M14: 19,066,548 km (0.112 R)
• M15: 20,194,815 km (0.116 R)
• M16: 21,929,701 km (0.066 R)
• M17: 22,916,898 km (0.05 R)
• M18: 24,540,484 km (0.114 R)
• M19: 27,824,905 km (0.105 R)
• M20: 31,288,993 km (0.095 R)
• M21: 32,119,411 km (0.095 R)
• M22: 34,041,743 km (0.047 R)
• M23: 39,301,156 km (0.043 R)
• M24: 41,374,732 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.4

Radius: 6.4

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.62 AU - 9.06 AU

Year: 13261 Days

Day: 19 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,532,131 km

• M1: 79,586 km (0.115 R)
• M2: 290,070 km (0.057 R)
• M3: 581,038 km (0.097 R)
• M4: 906,413 km (0.076 R)
• M5: 1,210,995 km (0.108 R)
• M6: 1,582,596 km (0.073 R)
• M7: 1,827,637 km (0.102 R)
• M8: 2,151,367 km (0.105 R)
• M9: 2,593,877 km (0.116 R)
• M10: 3,003,925 km (0.043 R)
• M11: 3,871,144 km (0.091 R)
• M12: 4,290,018 km (0.115 R)
• M13: 4,495,566 km (0.049 R)
• M14: 4,958,421 km (0.093 R)
• M15: 5,185,062 km (0.118 R)
• M16: 5,942,925 km (0.091 R)
• M17: 7,011,203 km (0.036 R)
• M18: 7,719,101 km (0.111 R)
• M19: 8,291,761 km (0.058 R)
• M20: 9,035,113 km (0.106 R)
• M21: 9,571,421 km (0.114 R)
• M22: 9,923,425 km (0.089 R)
• M23: 10,494,291 km (0.049 R)
• M24: 11,363,155 km (0.108 R)
• M25: 12,635,186 km (0.108 R)
• M26: 14,584,446 km (0.114 R)
• M27: 17,984,955 km (0.067 R)
• M28: 19,385,640 km (0.103 R)
• M29: 22,490,394 km (0.102 R)
• M30: 26,300,652 km (0.07 R)
• M31: 28,203,986 km (0.079 R)
• M32: 32,170,274 km (0.042 R)
• M33: 32,846,606 km (0.112 R)
• M34: 36,859,419 km (0.109 R)
• M35: 39,238,474 km (0.038 R)
• M36: 45,558,984 km (0.111 R)
• M37: 46,268,826 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 16,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit