🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.8

Radius: 9.1

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.43 AU - 0.61 AU

Year: 259 Days

Day: 13.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,378,501 km

• M1: 113,246 km (0.104 R)
• M2: 404,513 km (0.035 R)
• M3: 797,656 km (0.073 R)
• M4: 1,101,340 km (0.075 R)
• M5: 1,431,352 km (0.111 R)
• M6: 1,997,281 km (0.082 R)
• M7: 2,546,605 km (0.098 R)
• M8: 2,909,379 km (0.038 R)
• M9: 3,285,618 km (0.097 R)
• M10: 3,727,979 km (0.068 R)
• M11: 4,088,360 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.2

Radius: 11.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.02 AU - 1.08 AU

Year: 743 Days

Day: 11.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,378,501 km

• M1: 146,307 km (0.051 R)
• M2: 917,185 km (0.117 R)
• M3: 1,570,179 km (0.03 R)
• M4: 1,980,526 km (0.109 R)
• M5: 2,688,274 km (0.058 R)
• M6: 3,182,246 km (0.067 R)
• M7: 3,598,876 km (0.094 R)
• M8: 4,051,709 km (0.089 R)
• M9: 4,606,866 km (0.091 R)
• M10: 5,229,642 km (0.07 R)
• M11: 6,062,155 km (0.109 R)
• M12: 6,916,807 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.8

Radius: 9.5

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.27 AU - 4.75 AU

Year: 6611 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,378,501 km

• M1: 118,482 km (0.101 R)
• M2: 422,764 km (0.091 R)
• M3: 1,236,726 km (0.075 R)
• M4: 1,597,705 km (0.104 R)
• M5: 2,324,302 km (0.056 R)
• M6: 3,479,048 km (0.105 R)
• M7: 4,694,232 km (0.028 R)
• M8: 5,276,616 km (0.03 R)
• M9: 6,585,149 km (0.114 R)
• M10: 7,506,073 km (0.094 R)
• M11: 10,686,075 km (0.095 R)
• M12: 14,249,048 km (0.09 R)
• M13: 16,039,136 km (0.091 R)
• M14: 16,427,492 km (0.11 R)
• M15: 16,954,974 km (0.099 R)
• M16: 18,890,621 km (0.051 R)
• M17: 19,985,976 km (0.113 R)
• M18: 20,285,172 km (0.106 R)
• M19: 21,123,219 km (0.09 R)
• M20: 26,733,738 km (0.03 R)
• M21: 28,488,970 km (0.112 R)
• M22: 30,319,898 km (0.029 R)
• M23: 31,414,954 km (0.114 R)
• M24: 36,392,674 km (0.03 R)
• M25: 37,402,310 km (0.105 R)
• M26: 38,315,306 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.2

Radius: 14.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.39 AU - 6.51 AU

Year: 8782 Days

Day: 12.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,378,501 km

• M1: 184,155 km (0.086 R)
• M2: 842,834 km (0.062 R)
• M3: 1,436,888 km (0.099 R)
• M4: 1,928,915 km (0.089 R)
• M5: 2,729,264 km (0.116 R)
• M6: 3,685,942 km (0.041 R)
• M7: 4,765,291 km (0.119 R)
• M8: 6,372,570 km (0.096 R)
• M9: 7,925,695 km (0.117 R)
• M10: 8,895,089 km (0.092 R)
• M11: 12,325,069 km (0.107 R)
• M12: 14,576,069 km (0.073 R)
• M13: 16,134,729 km (0.103 R)
• M14: 20,059,728 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.7

Radius: 7.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.3 AU - 9.3 AU

Year: 19577 Days

Day: 17.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,378,501 km

• M1: 94,695 km (0.108 R)
• M2: 1,103,135 km (0.094 R)
• M3: 1,772,286 km (0.114 R)
• M4: 2,024,508 km (0.062 R)
• M5: 4,225,541 km (0.099 R)
• M6: 6,509,602 km (0.108 R)
• M7: 8,026,674 km (0.03 R)
• M8: 8,723,501 km (0.112 R)
• M9: 10,888,930 km (0.101 R)
• M10: 11,918,163 km (0.115 R)
• M11: 12,456,416 km (0.1 R)
• M12: 13,010,826 km (0.062 R)
• M13: 13,389,309 km (0.118 R)
• M14: 14,637,104 km (0.111 R)
• M15: 19,409,725 km (0.057 R)
• M16: 23,884,946 km (0.07 R)
• M17: 24,644,155 km (0.108 R)
• M18: 25,911,997 km (0.086 R)
• M19: 27,018,273 km (0.109 R)
• M20: 27,531,543 km (0.088 R)
• M21: 28,366,000 km (0.113 R)
• M22: 28,683,297 km (0.065 R)
• M23: 30,859,198 km (0.044 R)
• M24: 31,759,478 km (0.095 R)
• M25: 33,849,211 km (0.082 R)
• M26: 36,276,736 km (0.094 R)
• M27: 37,915,431 km (0.114 R)
• M28: 40,132,022 km (0.082 R)
• M29: 45,685,245 km (0.105 R)
• M30: 49,099,517 km (0.114 R)
• M31: 51,729,747 km (0.109 R)
• M32: 52,839,614 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.1

Radius: 5.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.95 AU - 11.05 AU

Year: 21828 Days

Day: 21.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,378,501 km

• M1: 72,106 km (0.1 R)
• M2: 2,104,992 km (0.096 R)
• M3: 4,555,704 km (0.036 R)
• M4: 5,126,719 km (0.047 R)
• M5: 9,452,192 km (0.081 R)
• M6: 12,522,688 km (0.068 R)
• M7: 14,003,408 km (0.09 R)
• M8: 16,540,588 km (0.094 R)
• M9: 16,817,045 km (0.117 R)
• M10: 24,501,289 km (0.096 R)
• M11: 24,770,415 km (0.109 R)
• M12: 41,772,961 km (0.063 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 14,149 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit