🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951

Radius: 10

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.86 AU - 0.94 AU

Year: 543 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,562,302 km

• M1: 124,465 km (0.039 R)
• M2: 473,328 km (0.116 R)
• M3: 816,206 km (0.086 R)
• M4: 1,318,556 km (0.045 R)
• M5: 1,853,218 km (0.113 R)
• M6: 2,322,357 km (0.052 R)
• M7: 2,667,180 km (0.059 R)
• M8: 3,106,849 km (0.093 R)
• M9: 4,313,355 km (0.089 R)
• M10: 4,788,927 km (0.052 R)
• M11: 5,264,050 km (0.036 R)
• M12: 6,714,102 km (0.095 R)
• M13: 7,050,548 km (0.092 R)
• M14: 7,376,073 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.2

Radius: 13.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.59 AU - 3.79 AU

Year: 3623 Days

Day: 7.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,562,302 km

• M1: 169,195 km (0.108 R)
• M2: 633,996 km (0.102 R)
• M3: 1,668,016 km (0.066 R)
• M4: 2,331,932 km (0.083 R)
• M5: 2,839,218 km (0.093 R)
• M6: 3,420,256 km (0.12 R)
• M7: 7,260,733 km (0.095 R)
• M8: 8,143,061 km (0.104 R)
• M9: 8,705,998 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.8

Radius: 9.6

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.83 AU - 3.57 AU

Year: 3640 Days

Day: 9.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,562,302 km

• M1: 119,379 km (0.109 R)
• M2: 452,384 km (0.118 R)
• M3: 1,233,734 km (0.111 R)
• M4: 1,719,328 km (0.076 R)
• M5: 2,433,209 km (0.049 R)
• M6: 2,799,724 km (0.095 R)
• M7: 3,447,633 km (0.099 R)
• M8: 3,954,171 km (0.06 R)
• M9: 4,842,932 km (0.056 R)
• M10: 5,141,679 km (0.082 R)
• M11: 6,056,021 km (0.079 R)
• M12: 6,825,702 km (0.048 R)
• M13: 7,592,690 km (0.069 R)
• M14: 8,135,132 km (0.112 R)
• M15: 8,812,661 km (0.094 R)
• M16: 10,443,577 km (0.088 R)
• M17: 13,496,421 km (0.072 R)
• M18: 15,870,090 km (0.118 R)
• M19: 17,735,725 km (0.116 R)
• M20: 18,509,296 km (0.065 R)
• M21: 20,769,121 km (0.119 R)
• M22: 21,897,538 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.2

Radius: 8.8

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.35 AU - 3.61 AU

Year: 4128 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,562,302 km

• M1: 109,805 km (0.082 R)
• M2: 479,760 km (0.112 R)
• M3: 1,654,552 km (0.085 R)
• M4: 2,734,948 km (0.099 R)
• M5: 3,279,036 km (0.1 R)
• M6: 3,807,565 km (0.118 R)
• M7: 5,086,028 km (0.04 R)
• M8: 5,938,287 km (0.109 R)
• M9: 6,505,862 km (0.109 R)
• M10: 7,240,836 km (0.039 R)
• M11: 8,951,488 km (0.114 R)
• M12: 11,493,904 km (0.044 R)
• M13: 12,280,340 km (0.108 R)
• M14: 13,755,075 km (0.108 R)
• M15: 14,219,726 km (0.1 R)
• M16: 14,588,186 km (0.047 R)
• M17: 18,947,169 km (0.076 R)
• M18: 19,522,373 km (0.091 R)
• M19: 22,575,216 km (0.117 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: 355 - 16,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit