🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.4

Radius: 14.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.61 AU - 0.93 AU

Year: 451 Days

Day: 12.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,408,927 km

• M1: 178,171 km (0.049 R)
• M2: 774,468 km (0.048 R)
• M3: 2,424,533 km (0.096 R)
• M4: 3,140,209 km (0.083 R)
• M5: 3,722,444 km (0.048 R)
• M6: 4,222,998 km (0.119 R)
• M7: 5,248,641 km (0.047 R)
• M8: 6,073,524 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.1

Radius: 8.3

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.48 AU - 1.66 AU

Year: 1312 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,408,927 km

• M1: 103,671 km (0.058 R)
• M2: 420,669 km (0.06 R)
• M3: 784,192 km (0.101 R)
• M4: 1,116,599 km (0.117 R)
• M5: 1,597,256 km (0.11 R)
• M6: 2,030,043 km (0.111 R)
• M7: 2,376,811 km (0.09 R)
• M8: 3,220,244 km (0.091 R)
• M9: 3,515,251 km (0.095 R)
• M10: 4,268,476 km (0.104 R)
• M11: 5,528,689 km (0.112 R)
• M12: 5,816,814 km (0.042 R)
• M13: 6,161,936 km (0.045 R)
• M14: 8,527,228 km (0.076 R)
• M15: 9,217,323 km (0.115 R)
• M16: 10,205,567 km (0.107 R)
• M17: 10,914,062 km (0.107 R)
• M18: 11,511,257 km (0.116 R)
• M19: 12,504,288 km (0.12 R)
• M20: 12,847,615 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.2

Radius: 11.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.99 AU - 3.29 AU

Year: 3710 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 72.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,408,927 km

• M1: 147,952 km (0.107 R)
• M2: 702,063 km (0.1 R)
• M3: 1,335,161 km (0.076 R)
• M4: 1,925,923 km (0.105 R)
• M5: 3,118,517 km (0.089 R)
• M6: 3,675,470 km (0.105 R)
• M7: 4,845,924 km (0.059 R)
• M8: 5,648,516 km (0.1 R)
• M9: 6,137,701 km (0.113 R)
• M10: 6,596,069 km (0.114 R)
• M11: 8,841,384 km (0.111 R)
• M12: 12,211,674 km (0.103 R)
• M13: 12,663,011 km (0.087 R)
• M14: 13,455,730 km (0.111 R)
• M15: 14,935,103 km (0.086 R)
• M16: 15,873,232 km (0.111 R)
• M17: 17,751,882 km (0.057 R)
• M18: 21,486,742 km (0.113 R)
• M19: 22,345,434 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.6

Radius: 14

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.93 AU - 4.43 AU

Year: 4708 Days

Day: 9.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,408,927 km

• M1: 309,518 km (0.087 R)
• M2: 1,021,454 km (0.12 R)
• M3: 1,532,331 km (0.07 R)
• M4: 2,061,459 km (0.109 R)
• M5: 4,067,117 km (0.118 R)
• M6: 6,122,891 km (0.118 R)
• M7: 8,245,835 km (0.094 R)
• M8: 10,778,676 km (0.102 R)
• M9: 15,437,902 km (0.109 R)
• M10: 22,055,663 km (0.092 R)
• M11: 24,150,931 km (0.082 R)
• M12: 25,055,549 km (0.118 R)
• M13: 25,748,786 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.7

Radius: 14.3

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.42 AU - 3.94 AU

Year: 4708 Days

Day: 10.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,408,927 km

• M1: 177,872 km (0.103 R)
• M2: 638,933 km (0.102 R)
• M3: 1,678,937 km (0.109 R)
• M4: 2,248,905 km (0.073 R)
• M5: 2,996,894 km (0.079 R)
• M6: 4,108,556 km (0.119 R)
• M7: 5,505,052 km (0.113 R)
• M8: 6,523,066 km (0.038 R)
• M9: 8,082,773 km (0.042 R)
• M10: 10,221,723 km (0.047 R)
• M11: 10,691,311 km (0.096 R)
• M12: 12,187,140 km (0.049 R)
• M13: 16,800,738 km (0.091 R)
• M14: 19,764,871 km (0.087 R)
• M15: 20,311,053 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.5

Radius: 5.1

Gravity: 34.12 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.17 AU - 7.89 AU

Year: 12430 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,408,927 km

• M1: 63,579 km (0.059 R)
• M2: 232,625 km (0.041 R)
• M3: 560,842 km (0.056 R)
• M4: 732,581 km (0.088 R)
• M5: 940,073 km (0.102 R)
• M6: 1,742,067 km (0.059 R)
• M7: 2,173,507 km (0.069 R)
• M8: 2,519,976 km (0.077 R)
• M9: 3,615,631 km (0.069 R)
• M10: 5,453,142 km (0.049 R)
• M11: 5,937,240 km (0.084 R)
• M12: 7,163,045 km (0.033 R)
• M13: 7,651,931 km (0.113 R)
• M14: 10,268,547 km (0.085 R)
• M15: 11,959,751 km (0.092 R)
• M16: 13,360,436 km (0.119 R)
• M17: 16,789,219 km (0.084 R)
• M18: 21,570,667 km (0.099 R)
• M19: 21,844,730 km (0.117 R)
• M20: 23,155,058 km (0.094 R)
• M21: 24,220,643 km (0.096 R)
• M22: 25,828,372 km (0.081 R)
• M23: 26,553,622 km (0.101 R)
• M24: 29,816,052 km (0.068 R)
• M25: 30,384,674 km (0.046 R)
• M26: 32,133,473 km (0.092 R)
• M27: 33,093,143 km (0.079 R)
• M28: 33,825,275 km (0.073 R)
• M29: 42,176,427 km (0.106 R)
• M30: 42,892,552 km (0.084 R)
• M31: 44,792,594 km (0.045 R)
• M32: 46,595,548 km (0.032 R)
• M33: 46,900,728 km (0.044 R)
• M34: 52,458,438 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 10,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit