🌌 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: 812.1

Radius: 12.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.66 AU - 0.92 AU

Year: 485 Days

Day: 12.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,071,826 km

• M1: 157,975 km (0.105 R)
• M2: 595,400 km (0.097 R)
• M3: 1,247,646 km (0.113 R)
• M4: 1,689,858 km (0.108 R)
• M5: 2,256,235 km (0.089 R)
• M6: 3,749,521 km (0.089 R)
• M7: 4,245,438 km (0.092 R)
• M8: 4,991,183 km (0.103 R)
• M9: 5,455,386 km (0.11 R)
• M10: 6,394,561 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 14.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.56 AU - 1.9 AU

Year: 1571 Days

Day: 12 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 93,071,826 km

• M1: 182,958 km (0.05 R)
• M2: 697,575 km (0.119 R)
• M3: 1,348,326 km (0.113 R)
• M4: 2,206,419 km (0.095 R)
• M5: 2,977,446 km (0.116 R)
• M6: 4,300,640 km (0.113 R)
• M7: 4,786,533 km (0.025 R)
• M8: 5,309,228 km (0.09 R)
• M9: 6,306,298 km (0.067 R)
• M10: 7,177,855 km (0.113 R)
• M11: 8,372,694 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 14.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.23 AU - 3.17 AU

Year: 3062 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,071,826 km

• M1: 198,217 km (0.039 R)
• M2: 684,410 km (0.048 R)
• M3: 1,296,864 km (0.118 R)
• M4: 2,000,572 km (0.042 R)
• M5: 2,515,488 km (0.084 R)
• M6: 5,745,456 km (0.088 R)
• M7: 6,951,364 km (0.048 R)
• M8: 7,472,563 km (0.11 R)
• M9: 8,252,716 km (0.067 R)
• M10: 9,450,696 km (0.12 R)
• M11: 12,996,913 km (0.102 R)
• M12: 14,175,296 km (0.082 R)
• M13: 14,666,126 km (0.098 R)
• M14: 18,601,598 km (0.088 R)
• M15: 19,550,048 km (0.043 R)
• M16: 21,032,713 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.7

Radius: 9.1

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.6 AU - 3.88 AU

Year: 4026 Days

Day: 13.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,071,826 km

• M1: 131,945 km (0.076 R)
• M2: 567,874 km (0.068 R)
• M3: 892,501 km (0.118 R)
• M4: 1,190,799 km (0.032 R)
• M5: 1,475,783 km (0.108 R)
• M6: 1,900,791 km (0.118 R)
• M7: 5,452,992 km (0.05 R)
• M8: 5,918,840 km (0.085 R)
• M9: 6,506,161 km (0.118 R)
• M10: 8,015,604 km (0.113 R)
• M11: 8,503,143 km (0.114 R)
• M12: 9,050,222 km (0.113 R)
• M13: 9,745,703 km (0.11 R)
• M14: 11,664,146 km (0.095 R)
• M15: 16,830,808 km (0.107 R)
• M16: 18,910,368 km (0.056 R)
• M17: 21,510,678 km (0.117 R)
• M18: 22,525,999 km (0.089 R)
• M19: 26,908,169 km (0.074 R)
• M20: 29,563,082 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.3

Radius: 8.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.12 AU - 6.38 AU

Year: 8303 Days

Day: 10.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 93,071,826 km

• M1: 114,891 km (0.085 R)
• M2: 393,442 km (0.083 R)
• M3: 1,567,636 km (0.112 R)
• M4: 1,907,672 km (0.086 R)
• M5: 2,498,284 km (0.091 R)
• M6: 4,574,254 km (0.113 R)
• M7: 5,014,221 km (0.108 R)
• M8: 5,608,873 km (0.1 R)
• M9: 6,411,615 km (0.071 R)
• M10: 7,314,289 km (0.052 R)
• M11: 9,400,281 km (0.1 R)
• M12: 11,643,950 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.7

Radius: 6.4

Gravity: 21.57 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 9 AU - 12.2 AU

Year: 23822 Days

Day: 23.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,071,826 km

• M1: 79,885 km (0.082 R)
• M2: 345,870 km (0.041 R)
• M3: 561,142 km (0.105 R)
• M4: 769,083 km (0.086 R)
• M5: 1,550,133 km (0.087 R)
• M6: 2,277,927 km (0.088 R)
• M7: 2,718,044 km (0.113 R)
• M8: 3,482,638 km (0.057 R)
• M9: 3,702,398 km (0.053 R)
• M10: 3,931,432 km (0.118 R)
• M11: 4,527,580 km (0.108 R)
• M12: 5,345,132 km (0.085 R)
• M13: 5,595,858 km (0.031 R)
• M14: 5,942,327 km (0.097 R)
• M15: 6,349,083 km (0.052 R)
• M16: 7,473,162 km (0.103 R)
• M17: 8,219,057 km (0.034 R)
• M18: 8,724,099 km (0.079 R)
• M19: 13,382,726 km (0.112 R)
• M20: 17,391,949 km (0.11 R)
• M21: 19,275,536 km (0.08 R)
• M22: 23,332,032 km (0.074 R)
• M23: 32,112,829 km (0.081 R)
• M24: 34,213,482 km (0.053 R)
• M25: 39,783,310 km (0.065 R)
• M26: 42,039,395 km (0.116 R)
• M27: 46,102,773 km (0.08 R)
• M28: 47,513,331 km (0.113 R)
• M29: 48,409,422 km (0.101 R)
• M30: 50,605,818 km (0.066 R)
• M31: 50,978,317 km (0.104 R)
• M32: 55,196,528 km (0.111 R)
• M33: 57,795,193 km (0.087 R)
• M34: 62,591,001 km (0.103 R)
• M35: 63,451,189 km (0.098 R)
• M36: 66,079,175 km (0.117 R)
• M37: 66,524,079 km (0.096 R)
• M38: 68,323,891 km (0.079 R)
• M39: 87,335,536 km (0.038 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 14,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit