🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.5

Radius: 14.3

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.97 AU - 1.53 AU

Year: 948 Days

Day: 5.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,104,976 km

• M1: 177,872 km (0.111 R)
• M2: 690,544 km (0.109 R)
• M3: 1,195,437 km (0.081 R)
• M4: 1,870,273 km (0.118 R)
• M5: 2,351,828 km (0.047 R)
• M6: 3,251,360 km (0.082 R)
• M7: 7,123,103 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.5

Radius: 11

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.33 AU - 1.41 AU

Year: 1088 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,104,976 km

• M1: 136,732 km (0.107 R)
• M2: 480,658 km (0.109 R)
• M3: 1,090,120 km (0.047 R)
• M4: 1,579,006 km (0.053 R)
• M5: 1,933,403 km (0.046 R)
• M6: 2,279,872 km (0.074 R)
• M7: 2,860,760 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.3

Radius: 13.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.29 AU - 1.65 AU

Year: 1209 Days

Day: 5.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,104,976 km

• M1: 170,691 km (0.119 R)
• M2: 693,835 km (0.106 R)
• M3: 1,565,691 km (0.104 R)
• M4: 2,419,297 km (0.09 R)
• M5: 2,896,813 km (0.117 R)
• M6: 3,875,183 km (0.116 R)
• M7: 5,852,867 km (0.087 R)
• M8: 8,252,267 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.9

Radius: 6

Gravity: 17.94 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.95 AU - 8.53 AU

Year: 13213 Days

Day: 17.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,104,976 km

• M1: 74,649 km (0.103 R)
• M2: 310,565 km (0.111 R)
• M3: 1,250,040 km (0.088 R)
• M4: 2,646,386 km (0.111 R)
• M5: 4,631,550 km (0.093 R)
• M6: 4,988,491 km (0.055 R)
• M7: 5,576,261 km (0.077 R)
• M8: 7,616,476 km (0.111 R)
• M9: 8,022,036 km (0.088 R)
• M10: 8,347,412 km (0.072 R)
• M11: 9,325,482 km (0.046 R)
• M12: 9,633,205 km (0.109 R)
• M13: 10,054,024 km (0.116 R)
• M14: 11,742,236 km (0.046 R)
• M15: 12,040,833 km (0.071 R)
• M16: 13,480,264 km (0.05 R)
• M17: 14,342,845 km (0.097 R)
• M18: 15,740,688 km (0.077 R)
• M19: 16,103,912 km (0.096 R)
• M20: 17,227,092 km (0.092 R)
• M21: 20,648,396 km (0.104 R)
• M22: 21,083,576 km (0.1 R)
• M23: 22,426,067 km (0.054 R)
• M24: 29,450,136 km (0.039 R)
• M25: 30,224,155 km (0.079 R)
• M26: 31,011,639 km (0.102 R)
• M27: 33,217,758 km (0.047 R)
• M28: 34,177,279 km (0.104 R)
• M29: 36,277,184 km (0.098 R)
• M30: 37,038,488 km (0.104 R)
• M31: 39,920,940 km (0.061 R)
• M32: 40,732,209 km (0.119 R)
• M33: 41,692,627 km (0.059 R)
• M34: 45,100,018 km (0.087 R)
• M35: 51,183,565 km (0.111 R)
• M36: 53,272,699 km (0.118 R)
• M37: 53,599,122 km (0.099 R)
• M38: 55,250,982 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.5

Radius: 3.1

Gravity: 82.36 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.44 AU - 10.56 AU

Year: 16808 Days

Day: 23.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,104,976 km

• M1: 38,746 km (0.058 R)
• M2: 138,378 km (0.089 R)
• M3: 706,102 km (0.063 R)
• M4: 869,762 km (0.103 R)
• M5: 1,122,582 km (0.118 R)
• M6: 1,771,837 km (0.119 R)
• M7: 2,259,825 km (0.063 R)
• M8: 2,569,343 km (0.11 R)
• M9: 3,164,593 km (0.041 R)
• M10: 3,876,829 km (0.116 R)
• M11: 4,689,893 km (0.1 R)
• M12: 5,847,930 km (0.059 R)
• M13: 9,410,304 km (0.069 R)
• M14: 11,166,883 km (0.11 R)
• M15: 12,856,291 km (0.074 R)
• M16: 16,011,161 km (0.12 R)
• M17: 19,826,655 km (0.06 R)
• M18: 20,937,718 km (0.111 R)
• M19: 23,998,790 km (0.11 R)
• M20: 25,797,854 km (0.115 R)
• M21: 27,684,582 km (0.033 R)
• M22: 31,605,841 km (0.083 R)
• M23: 34,811,574 km (0.065 R)
• M24: 37,946,248 km (0.077 R)
• M25: 53,592,091 km (0.065 R)
• M26: 60,393,708 km (0.066 R)
• M27: 65,704,731 km (0.119 R)
• M28: 70,255,648 km (0.087 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 11,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit