🌌 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: 70.3

Radius: 14.5

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.49 AU - 0.63 AU

Year: 295 Days

Day: 6.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,156,495 km

• M1: 180,415 km (0.081 R)
• M2: 754,123 km (0.113 R)
• M3: 1,261,110 km (0.101 R)
• M4: 1,930,860 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 13.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.47 AU - 0.75 AU

Year: 335 Days

Day: 6.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,156,495 km

• M1: 174,431 km (0.109 R)
• M2: 805,136 km (0.102 R)
• M3: 1,302,399 km (0.092 R)
• M4: 2,234,843 km (0.099 R)
• M5: 2,894,868 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.3

Radius: 13.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.75 AU - 1.05 AU

Year: 600 Days

Day: 10 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,156,495 km

• M1: 169,794 km (0.091 R)
• M2: 624,272 km (0.076 R)
• M3: 1,144,723 km (0.112 R)
• M4: 1,591,273 km (0.047 R)
• M5: 2,056,672 km (0.108 R)
• M6: 2,624,395 km (0.079 R)
• M7: 3,553,398 km (0.09 R)
• M8: 4,153,435 km (0.101 R)
• M9: 5,450,748 km (0.099 R)
• M10: 6,020,866 km (0.111 R)
• M11: 6,650,822 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.6

Radius: 8.9

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.09 AU - 1.39 AU

Year: 971 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,156,495 km

• M1: 110,702 km (0.069 R)
• M2: 395,537 km (0.046 R)
• M3: 1,036,564 km (0.057 R)
• M4: 1,561,353 km (0.063 R)
• M5: 2,026,602 km (0.089 R)
• M6: 2,941,244 km (0.107 R)
• M7: 3,601,419 km (0.112 R)
• M8: 4,195,173 km (0.117 R)
• M9: 5,333,613 km (0.05 R)
• M10: 5,647,918 km (0.055 R)
• M11: 6,256,482 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 9.2

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.19 AU - 1.51 AU

Year: 1103 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,156,495 km

• M1: 124,465 km (0.093 R)
• M2: 421,268 km (0.097 R)
• M3: 1,932,505 km (0.114 R)
• M4: 2,448,319 km (0.119 R)
• M5: 3,542,478 km (0.118 R)
• M6: 4,037,048 km (0.119 R)
• M7: 5,218,572 km (0.113 R)
• M8: 5,704,316 km (0.05 R)
• M9: 6,384,837 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.7

Radius: 13.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.43 AU - 5.63 AU

Year: 6777 Days

Day: 7.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,156,495 km

• M1: 170,242 km (0.038 R)
• M2: 614,249 km (0.075 R)
• M3: 1,431,053 km (0.068 R)
• M4: 2,238,732 km (0.069 R)
• M5: 5,016,465 km (0.115 R)
• M6: 7,730,919 km (0.077 R)
• M7: 16,034,797 km (0.118 R)
• M8: 22,963,423 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.6

Radius: 14.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.6 AU - 5.7 AU

Year: 7048 Days

Day: 5.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,156,495 km

• M1: 180,864 km (0.107 R)
• M2: 665,411 km (0.111 R)
• M3: 1,257,071 km (0.117 R)
• M4: 2,574,280 km (0.092 R)
• M5: 4,192,480 km (0.091 R)
• M6: 5,689,207 km (0.085 R)
• M7: 6,915,162 km (0.032 R)
• M8: 8,389,000 km (0.09 R)
• M9: 11,507,218 km (0.117 R)
• M10: 12,560,985 km (0.112 R)
• M11: 14,976,841 km (0.057 R)
• M12: 16,604,466 km (0.092 R)
• M13: 19,435,905 km (0.066 R)
• M14: 22,193,891 km (0.077 R)
• M15: 30,306,285 km (0.065 R)
• M16: 32,312,242 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.2

Radius: 3.3

Gravity: 57.41 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.64 AU - 8.3 AU

Year: 14351 Days

Day: 19.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,156,495 km

• M1: 41,139 km (0.072 R)
• M2: 196,422 km (0.098 R)
• M3: 306,526 km (0.064 R)
• M4: 542,891 km (0.103 R)
• M5: 779,255 km (0.103 R)
• M6: 1,068,129 km (0.096 R)
• M7: 1,297,462 km (0.047 R)
• M8: 1,836,463 km (0.107 R)
• M9: 2,089,134 km (0.076 R)
• M10: 2,575,627 km (0.12 R)
• M11: 3,158,460 km (0.117 R)
• M12: 3,284,870 km (0.077 R)
• M13: 4,235,714 km (0.084 R)
• M14: 5,870,520 km (0.085 R)
• M15: 5,984,812 km (0.106 R)
• M16: 6,376,609 km (0.105 R)
• M17: 7,124,449 km (0.086 R)
• M18: 8,941,914 km (0.035 R)
• M19: 10,988,861 km (0.056 R)
• M20: 11,634,974 km (0.083 R)
• M21: 11,875,977 km (0.103 R)
• M22: 12,430,685 km (0.06 R)
• M23: 13,196,926 km (0.084 R)
• M24: 13,791,727 km (0.069 R)
• M25: 17,820,846 km (0.11 R)
• M26: 25,180,463 km (0.089 R)
• M27: 27,986,620 km (0.083 R)
• M28: 30,879,244 km (0.067 R)
• M29: 33,842,479 km (0.089 R)
• M30: 41,435,319 km (0.096 R)
• M31: 43,280,010 km (0.099 R)
• M32: 45,327,108 km (0.118 R)
• M33: 46,980,015 km (0.095 R)
• M34: 47,437,784 km (0.117 R)
• M35: 55,170,648 km (0.06 R)
• M36: 55,340,142 km (0.07 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 14,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit