🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.9

Radius: 11.3

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.79 AU - 1.17 AU

Year: 636 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,073,251 km

• M1: 140,472 km (0.063 R)
• M2: 498,011 km (0.073 R)
• M3: 906,264 km (0.113 R)
• M4: 1,442,423 km (0.081 R)
• M5: 2,498,284 km (0.119 R)
• M6: 3,045,513 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.3

Radius: 14

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.86 AU - 1.28 AU

Year: 726 Days

Day: 5.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,073,251 km

• M1: 176,525 km (0.109 R)
• M2: 752,028 km (0.087 R)
• M3: 1,328,878 km (0.077 R)
• M4: 1,817,165 km (0.068 R)
• M5: 2,583,705 km (0.043 R)
• M6: 3,625,355 km (0.112 R)
• M7: 5,049,527 km (0.114 R)
• M8: 5,636,100 km (0.032 R)
• M9: 6,188,864 km (0.085 R)
• M10: 6,840,811 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.3

Radius: 10.7

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.36 AU - 1.66 AU

Year: 1217 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,073,251 km

• M1: 133,740 km (0.086 R)
• M2: 703,409 km (0.116 R)
• M3: 1,255,874 km (0.095 R)
• M4: 1,597,556 km (0.101 R)
• M5: 1,963,023 km (0.08 R)
• M6: 2,487,663 km (0.069 R)
• M7: 2,879,310 km (0.053 R)
• M8: 3,619,670 km (0.07 R)
• M9: 4,695,728 km (0.042 R)
• M10: 5,679,932 km (0.09 R)
• M11: 6,058,564 km (0.03 R)
• M12: 7,199,547 km (0.093 R)
• M13: 7,821,276 km (0.043 R)
• M14: 9,030,326 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.5

Radius: 7.4

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.19 AU - 6.95 AU

Year: 11047 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,073,251 km

• M1: 102,325 km (0.094 R)
• M2: 468,989 km (0.03 R)
• M3: 921,224 km (0.1 R)
• M4: 1,267,842 km (0.119 R)
• M5: 1,715,289 km (0.112 R)
• M6: 2,282,714 km (0.087 R)
• M7: 2,620,805 km (0.101 R)
• M8: 3,472,915 km (0.085 R)
• M9: 4,319,190 km (0.11 R)
• M10: 5,675,893 km (0.046 R)
• M11: 9,853,264 km (0.116 R)
• M12: 11,025,513 km (0.073 R)
• M13: 12,467,487 km (0.069 R)
• M14: 14,424,825 km (0.055 R)
• M15: 17,542,146 km (0.116 R)
• M16: 18,778,871 km (0.113 R)
• M17: 19,337,769 km (0.117 R)
• M18: 29,963,706 km (0.093 R)
• M19: 34,857,351 km (0.068 R)
• M20: 40,126,637 km (0.048 R)
• M21: 45,330,399 km (0.033 R)
• M22: 46,046,973 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.1

Radius: 4.4

Gravity: 39.21 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.99 AU - 9.39 AU

Year: 15376 Days

Day: 16.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,073,251 km

• M1: 62,083 km (0.116 R)
• M2: 232,026 km (0.079 R)
• M3: 1,098,796 km (0.081 R)
• M4: 1,427,762 km (0.113 R)
• M5: 1,615,507 km (0.091 R)
• M6: 2,321,161 km (0.103 R)
• M7: 3,058,678 km (0.084 R)
• M8: 3,677,564 km (0.102 R)
• M9: 5,016,465 km (0.111 R)
• M10: 6,192,305 km (0.106 R)
• M11: 6,953,309 km (0.086 R)
• M12: 7,965,937 km (0.047 R)
• M13: 9,072,961 km (0.109 R)
• M14: 10,508,951 km (0.086 R)
• M15: 14,315,768 km (0.113 R)
• M16: 17,039,945 km (0.108 R)
• M17: 18,523,358 km (0.088 R)
• M18: 20,541,134 km (0.098 R)
• M19: 25,423,709 km (0.038 R)
• M20: 26,485,106 km (0.062 R)
• M21: 28,809,408 km (0.054 R)
• M22: 33,605,965 km (0.072 R)
• M23: 35,012,634 km (0.099 R)
• M24: 40,601,460 km (0.057 R)
• M25: 44,742,030 km (0.098 R)
• M26: 45,664,301 km (0.068 R)
• M27: 52,140,094 km (0.104 R)
• M28: 53,849,549 km (0.119 R)
• M29: 55,772,779 km (0.045 R)
• M30: 58,285,874 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.9

Radius: 7.3

Gravity: 16.06 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.88 AU - 11.6 AU

Year: 19941 Days

Day: 19.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,073,251 km

• M1: 90,806 km (0.1 R)
• M2: 345,122 km (0.106 R)
• M3: 608,115 km (0.062 R)
• M4: 1,059,153 km (0.08 R)
• M5: 1,367,325 km (0.112 R)
• M6: 1,808,489 km (0.106 R)
• M7: 2,042,460 km (0.113 R)
• M8: 4,296,600 km (0.106 R)
• M9: 4,937,179 km (0.088 R)
• M10: 6,677,600 km (0.086 R)
• M11: 7,050,398 km (0.075 R)
• M12: 7,486,326 km (0.081 R)
• M13: 8,411,888 km (0.119 R)
• M14: 8,736,665 km (0.111 R)
• M15: 9,069,969 km (0.064 R)
• M16: 15,062,561 km (0.108 R)
• M17: 15,704,036 km (0.06 R)
• M18: 16,197,111 km (0.101 R)
• M19: 16,531,462 km (0.118 R)
• M20: 28,840,973 km (0.085 R)
• M21: 29,456,120 km (0.088 R)
• M22: 31,483,620 km (0.058 R)
• M23: 33,332,350 km (0.103 R)
• M24: 38,121,277 km (0.115 R)
• M25: 38,564,685 km (0.11 R)
• M26: 39,612,469 km (0.111 R)
• M27: 44,482,029 km (0.084 R)
• M28: 48,688,422 km (0.118 R)
• M29: 57,687,482 km (0.06 R)
• M30: 62,884,063 km (0.081 R)
• M31: 68,384,328 km (0.113 R)
• M32: 76,517,216 km (0.11 R)
• M33: 80,815,313 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.6

Radius: 7.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.7 AU - 9.92 AU

Year: 20156 Days

Day: 17.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,073,251 km

• M1: 100,530 km (0.093 R)
• M2: 635,791 km (0.096 R)
• M3: 1,440,627 km (0.085 R)
• M4: 2,189,963 km (0.118 R)
• M5: 6,135,607 km (0.059 R)
• M6: 8,193,176 km (0.12 R)
• M7: 9,274,470 km (0.116 R)
• M8: 10,118,650 km (0.082 R)
• M9: 24,873,937 km (0.076 R)
• M10: 39,468,705 km (0.032 R)
• M11: 40,285,360 km (0.103 R)
• M12: 44,831,639 km (0.088 R)
• M13: 50,341,927 km (0.114 R)
• M14: 52,765,263 km (0.119 R)
• M15: 58,017,944 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 15,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit