🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 9.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.49 AU - 0.63 AU

Year: 284 Days

Day: 14 Hours

Environment

Temp: -145 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,000,279 km

• M1: 118,332 km (0.086 R)
• M2: 407,953 km (0.119 R)
• M3: 823,237 km (0.083 R)
• M4: 1,276,369 km (0.106 R)
• M5: 1,614,759 km (0.03 R)
• M6: 2,218,985 km (0.109 R)
• M7: 2,625,592 km (0.118 R)
• M8: 3,036,986 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.3

Radius: 13.3

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.67 AU - 0.85 AU

Year: 449 Days

Day: 12.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,000,279 km

• M1: 165,455 km (0.09 R)
• M2: 623,674 km (0.098 R)
• M3: 1,041,052 km (0.113 R)
• M4: 1,753,885 km (0.082 R)
• M5: 2,862,106 km (0.047 R)
• M6: 3,322,120 km (0.111 R)
• M7: 4,452,631 km (0.109 R)
• M8: 5,648,217 km (0.087 R)
• M9: 6,227,460 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.8

Radius: 12.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.02 AU - 1.14 AU

Year: 761 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,000,279 km

• M1: 155,432 km (0.111 R)
• M2: 579,991 km (0.054 R)
• M3: 988,692 km (0.09 R)
• M4: 1,414,897 km (0.055 R)
• M5: 1,956,890 km (0.091 R)
• M6: 2,465,971 km (0.045 R)
• M7: 2,999,138 km (0.095 R)
• M8: 3,769,717 km (0.09 R)
• M9: 4,565,577 km (0.066 R)
• M10: 5,022,150 km (0.075 R)
• M11: 5,784,202 km (0.08 R)
• M12: 6,383,940 km (0.111 R)
• M13: 6,888,683 km (0.088 R)
• M14: 7,302,171 km (0.069 R)
• M15: 8,128,849 km (0.05 R)
• M16: 8,565,076 km (0.108 R)
• M17: 9,098,243 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.5

Radius: 8

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.42 AU - 2.1 AU

Year: 1584 Days

Day: 14.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,000,279 km

• M1: 100,380 km (0.111 R)
• M2: 495,319 km (0.036 R)
• M3: 2,013,737 km (0.114 R)
• M4: 2,381,000 km (0.045 R)
• M5: 3,741,892 km (0.077 R)
• M6: 4,579,490 km (0.095 R)
• M7: 5,623,683 km (0.117 R)
• M8: 6,944,483 km (0.077 R)
• M9: 8,901,672 km (0.104 R)
• M10: 10,152,908 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.8

Radius: 10.9

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.63 AU - 4.71 AU

Year: 5776 Days

Day: 10 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,000,279 km

• M1: 135,536 km (0.085 R)
• M2: 475,272 km (0.068 R)
• M3: 1,871,918 km (0.058 R)
• M4: 2,226,465 km (0.1 R)
• M5: 3,073,937 km (0.115 R)
• M6: 3,805,620 km (0.063 R)
• M7: 4,957,225 km (0.066 R)
• M8: 6,429,417 km (0.092 R)
• M9: 8,750,428 km (0.095 R)
• M10: 9,091,661 km (0.116 R)
• M11: 9,575,311 km (0.059 R)
• M12: 12,308,763 km (0.069 R)
• M13: 13,682,520 km (0.075 R)
• M14: 15,586,752 km (0.08 R)
• M15: 16,667,297 km (0.095 R)
• M16: 19,987,772 km (0.094 R)
• M17: 21,647,560 km (0.099 R)
• M18: 24,727,930 km (0.104 R)
• M19: 25,498,209 km (0.095 R)
• M20: 30,850,970 km (0.099 R)
• M21: 32,960,450 km (0.116 R)
• M22: 36,466,875 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.9

Radius: 3.6

Gravity: 72.37 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.98 AU - 12.58 AU

Year: 22355 Days

Day: 20.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 91,000,279 km

• M1: 44,879 km (0.077 R)
• M2: 205,847 km (0.099 R)
• M3: 364,121 km (0.106 R)
• M4: 708,944 km (0.107 R)
• M5: 875,148 km (0.083 R)
• M6: 1,000,062 km (0.059 R)
• M7: 1,500,317 km (0.118 R)
• M8: 2,833,832 km (0.118 R)
• M9: 3,313,443 km (0.086 R)
• M10: 3,464,238 km (0.079 R)
• M11: 3,977,957 km (0.118 R)
• M12: 4,395,335 km (0.075 R)
• M13: 4,726,994 km (0.119 R)
• M14: 4,841,286 km (0.101 R)
• M15: 5,316,559 km (0.035 R)
• M16: 7,076,428 km (0.098 R)
• M17: 7,687,535 km (0.114 R)
• M18: 8,059,884 km (0.054 R)
• M19: 12,686,797 km (0.078 R)
• M20: 14,526,701 km (0.088 R)
• M21: 16,362,716 km (0.095 R)
• M22: 17,608,268 km (0.092 R)
• M23: 17,975,531 km (0.073 R)
• M24: 20,286,518 km (0.057 R)
• M25: 24,112,484 km (0.106 R)
• M26: 24,451,473 km (0.11 R)
• M27: 25,254,664 km (0.106 R)
• M28: 28,518,141 km (0.034 R)
• M29: 30,447,206 km (0.088 R)
• M30: 34,562,643 km (0.119 R)
• M31: 36,160,049 km (0.108 R)
• M32: 38,416,584 km (0.089 R)
• M33: 46,788,828 km (0.071 R)
• M34: 47,847,233 km (0.069 R)
• M35: 49,101,911 km (0.096 R)
• M36: 53,378,914 km (0.063 R)
• M37: 53,570,250 km (0.119 R)
• M38: 54,922,913 km (0.088 R)
• M39: 62,664,454 km (0.088 R)
• M40: 65,910,279 km (0.085 R)
• M41: 73,678,447 km (0.096 R)
• M42: 81,780,369 km (0.172 R)
• M43: 83,057,336 km (0.172 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 10,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit