🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 14.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.54 AU - 0.66 AU

Year: 327 Days

Day: 13.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,947,510 km

• M1: 178,021 km (0.113 R)
• M2: 650,751 km (0.102 R)
• M3: 1,095,505 km (0.11 R)
• M4: 1,633,908 km (0.107 R)
• M5: 2,148,824 km (0.101 R)
• M6: 2,657,756 km (0.085 R)
• M7: 3,597,829 km (0.098 R)
• M8: 4,217,463 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.1

Radius: 14.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.73 AU - 1.13 AU

Year: 630 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,947,510 km

• M1: 181,761 km (0.108 R)
• M2: 670,647 km (0.096 R)
• M3: 1,203,066 km (0.118 R)
• M4: 1,702,723 km (0.061 R)
• M5: 2,704,430 km (0.084 R)
• M6: 3,738,750 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.2

Radius: 8.3

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.7 AU - 2.04 AU

Year: 1798 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,947,510 km

• M1: 104,270 km (0.044 R)
• M2: 897,737 km (0.077 R)
• M3: 1,226,104 km (0.103 R)
• M4: 1,866,832 km (0.081 R)
• M5: 2,655,811 km (0.107 R)
• M6: 3,523,179 km (0.065 R)
• M7: 5,326,731 km (0.093 R)
• M8: 5,746,503 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.3

Radius: 15

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.43 AU - 3.97 AU

Year: 4024 Days

Day: 14.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,947,510 km

• M1: 189,690 km (0.098 R)
• M2: 775,665 km (0.087 R)
• M3: 1,860,399 km (0.092 R)
• M4: 2,495,891 km (0.108 R)
• M5: 3,441,499 km (0.041 R)
• M6: 4,233,470 km (0.11 R)
• M7: 4,923,266 km (0.085 R)
• M8: 6,126,332 km (0.111 R)
• M9: 7,011,503 km (0.06 R)
• M10: 7,680,803 km (0.1 R)
• M11: 8,818,794 km (0.105 R)
• M12: 9,523,251 km (0.106 R)
• M13: 10,385,832 km (0.1 R)
• M14: 11,558,380 km (0.091 R)
• M15: 12,494,414 km (0.086 R)
• M16: 13,820,450 km (0.111 R)
• M17: 15,134,218 km (0.026 R)
• M18: 15,714,359 km (0.051 R)
• M19: 19,145,386 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.5

Radius: 6

Gravity: 22.46 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6 AU - 6.92 AU

Year: 11541 Days

Day: 17 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,947,510 km

• M1: 100,081 km (0.081 R)
• M2: 372,947 km (0.115 R)
• M3: 604,974 km (0.067 R)
• M4: 883,226 km (0.087 R)
• M5: 1,376,749 km (0.111 R)
• M6: 2,204,923 km (0.099 R)
• M7: 2,871,232 km (0.068 R)
• M8: 4,816,004 km (0.084 R)
• M9: 5,112,956 km (0.045 R)
• M10: 5,853,465 km (0.118 R)
• M11: 8,221,301 km (0.116 R)
• M12: 9,335,206 km (0.062 R)
• M13: 10,007,499 km (0.109 R)
• M14: 10,436,995 km (0.062 R)
• M15: 11,332,787 km (0.108 R)
• M16: 12,339,580 km (0.088 R)
• M17: 15,644,497 km (0.102 R)
• M18: 19,413,016 km (0.101 R)
• M19: 20,165,195 km (0.102 R)
• M20: 20,505,679 km (0.072 R)
• M21: 21,995,824 km (0.09 R)
• M22: 22,721,523 km (0.088 R)
• M23: 23,183,032 km (0.108 R)
• M24: 27,103,095 km (0.092 R)
• M25: 33,657,875 km (0.105 R)
• M26: 35,601,900 km (0.056 R)
• M27: 40,113,023 km (0.107 R)
• M28: 48,859,861 km (0.116 R)
• M29: 53,106,646 km (0.099 R)
• M30: 54,739,955 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.7

Radius: 3.4

Gravity: 67.1 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.9 AU - 10.42 AU

Year: 19487 Days

Day: 17.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,947,510 km

• M1: 46,525 km (0.116 R)
• M2: 160,818 km (0.103 R)
• M3: 315,801 km (0.097 R)
• M4: 576,700 km (0.102 R)
• M5: 703,708 km (0.078 R)
• M6: 838,346 km (0.083 R)
• M7: 965,654 km (0.098 R)
• M8: 3,077,378 km (0.047 R)
• M9: 3,325,561 km (0.058 R)
• M10: 3,616,828 km (0.1 R)
• M11: 4,283,436 km (0.099 R)
• M12: 4,419,121 km (0.083 R)
• M13: 4,663,564 km (0.088 R)
• M14: 5,530,334 km (0.117 R)
• M15: 5,691,301 km (0.108 R)
• M16: 6,064,997 km (0.044 R)
• M17: 6,454,849 km (0.057 R)
• M18: 6,588,440 km (0.091 R)
• M19: 8,550,715 km (0.113 R)
• M20: 9,897,694 km (0.112 R)
• M21: 11,187,078 km (0.094 R)
• M22: 11,640,510 km (0.111 R)
• M23: 17,899,834 km (0.069 R)
• M24: 19,801,821 km (0.054 R)
• M25: 24,215,407 km (0.094 R)
• M26: 33,040,186 km (0.086 R)
• M27: 33,703,652 km (0.119 R)
• M28: 35,747,309 km (0.072 R)
• M29: 36,728,671 km (0.104 R)
• M30: 39,929,766 km (0.11 R)
• M31: 40,833,936 km (0.114 R)
• M32: 41,906,104 km (0.065 R)
• M33: 42,526,935 km (0.027 R)
• M34: 44,266,309 km (0.063 R)
• M35: 58,363,216 km (0.053 R)
• M36: 65,370,679 km (0.032 R)
• M37: 67,471,033 km (0.062 R)
• M38: 72,694,692 km (0.169 R)
• M39: 74,041,521 km (0.097 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 14,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit