🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.4

Radius: 9.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.54 AU - 0.56 AU

Year: 287 Days

Day: 9.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,659,591 km

• M1: 121,922 km (0.107 R)
• M2: 461,210 km (0.076 R)
• M3: 848,818 km (0.09 R)
• M4: 1,441,824 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.6

Radius: 10.5

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.64 AU - 0.9 AU

Year: 475 Days

Day: 14.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,659,591 km

• M1: 130,599 km (0.119 R)
• M2: 809,175 km (0.103 R)
• M3: 1,278,912 km (0.107 R)
• M4: 1,612,665 km (0.071 R)
• M5: 2,380,102 km (0.109 R)
• M6: 2,956,204 km (0.086 R)
• M7: 3,409,784 km (0.104 R)
• M8: 3,858,578 km (0.113 R)
• M9: 4,541,791 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.2

Radius: 10.3

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.87 AU - 2.81 AU

Year: 2516 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,659,591 km

• M1: 128,056 km (0.053 R)
• M2: 468,541 km (0.059 R)
• M3: 1,493,136 km (0.063 R)
• M4: 1,828,684 km (0.099 R)
• M5: 3,715,862 km (0.04 R)
• M6: 4,321,284 km (0.102 R)
• M7: 4,680,618 km (0.077 R)
• M8: 6,456,644 km (0.118 R)
• M9: 7,451,320 km (0.107 R)
• M10: 15,664,393 km (0.112 R)
• M11: 16,061,426 km (0.084 R)
• M12: 16,824,076 km (0.101 R)
• M13: 17,986,152 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.4

Radius: 14.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.16 AU - 5.08 AU

Year: 6980 Days

Day: 14.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,659,591 km

• M1: 182,809 km (0.111 R)
• M2: 678,277 km (0.048 R)
• M3: 1,286,542 km (0.096 R)
• M4: 1,812,079 km (0.106 R)
• M5: 2,275,084 km (0.038 R)
• M6: 2,818,573 km (0.083 R)
• M7: 3,315,388 km (0.1 R)
• M8: 4,197,866 km (0.118 R)
• M9: 8,004,533 km (0.096 R)
• M10: 9,411,800 km (0.096 R)
• M11: 12,062,525 km (0.088 R)
• M12: 12,548,569 km (0.11 R)
• M13: 15,680,998 km (0.111 R)
• M14: 16,988,185 km (0.11 R)
• M15: 19,375,617 km (0.082 R)
• M16: 23,951,965 km (0.087 R)
• M17: 25,772,871 km (0.108 R)
• M18: 26,854,015 km (0.058 R)
• M19: 27,591,382 km (0.101 R)
• M20: 30,577,206 km (0.108 R)
• M21: 31,686,624 km (0.101 R)
• M22: 34,307,728 km (0.102 R)
• M23: 38,447,700 km (0.095 R)
• M24: 39,149,164 km (0.036 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.5

Radius: 7.8

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.05 AU - 6.25 AU

Year: 9440 Days

Day: 22.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,659,591 km

• M1: 99,483 km (0.114 R)
• M2: 361,578 km (0.119 R)
• M3: 706,252 km (0.041 R)
• M4: 1,573,171 km (0.101 R)
• M5: 1,820,307 km (0.116 R)
• M6: 2,144,785 km (0.09 R)
• M7: 3,310,002 km (0.093 R)
• M8: 4,701,113 km (0.054 R)
• M9: 5,001,954 km (0.088 R)
• M10: 5,879,047 km (0.095 R)
• M11: 6,372,271 km (0.086 R)
• M12: 8,759,853 km (0.112 R)
• M13: 11,578,426 km (0.106 R)
• M14: 12,986,292 km (0.071 R)
• M15: 13,281,000 km (0.081 R)
• M16: 13,883,879 km (0.09 R)
• M17: 14,379,198 km (0.101 R)
• M18: 15,339,466 km (0.081 R)
• M19: 17,962,964 km (0.111 R)
• M20: 18,255,428 km (0.103 R)
• M21: 18,625,533 km (0.063 R)
• M22: 23,378,557 km (0.054 R)
• M23: 23,991,310 km (0.082 R)
• M24: 25,986,497 km (0.098 R)
• M25: 27,408,723 km (0.055 R)
• M26: 29,182,954 km (0.11 R)
• M27: 30,200,968 km (0.114 R)
• M28: 33,839,786 km (0.034 R)
• M29: 40,452,611 km (0.084 R)
• M30: 41,335,388 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.9

Radius: 5.2

Gravity: 34.24 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.2 AU - 7.24 AU

Year: 12245 Days

Day: 17.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 90.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,659,591 km

• M1: 64,776 km (0.069 R)
• M2: 269,127 km (0.11 R)
• M3: 448,345 km (0.059 R)
• M4: 1,011,431 km (0.109 R)
• M5: 1,573,321 km (0.112 R)
• M6: 1,887,327 km (0.065 R)
• M7: 2,509,953 km (0.112 R)
• M8: 4,210,432 km (0.073 R)
• M9: 4,522,044 km (0.103 R)
• M10: 6,117,955 km (0.111 R)
• M11: 10,423,531 km (0.099 R)
• M12: 12,764,438 km (0.044 R)
• M13: 12,957,868 km (0.112 R)
• M14: 13,818,505 km (0.102 R)
• M15: 14,787,450 km (0.062 R)
• M16: 16,249,022 km (0.106 R)
• M17: 16,628,851 km (0.119 R)
• M18: 18,700,482 km (0.08 R)
• M19: 20,582,573 km (0.107 R)
• M20: 20,848,707 km (0.114 R)
• M21: 26,246,647 km (0.065 R)
• M22: 27,836,125 km (0.097 R)
• M23: 29,264,784 km (0.053 R)
• M24: 31,322,503 km (0.057 R)
• M25: 33,352,696 km (0.092 R)
• M26: 39,282,606 km (0.092 R)
• M27: 49,436,262 km (0.117 R)
• M28: 58,327,013 km (0.104 R)
• M29: 58,504,286 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 13,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit