🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.6

Radius: 11.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.61 AU - 0.63 AU

Year: 331 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 22,448,775 km

• M1: 143,913 km (0.097 R)
• M2: 509,381 km (0.064 R)
• M3: 993,330 km (0.12 R)
• M4: 1,879,248 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.6

Radius: 12.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.52 AU - 1.58 AU

Year: 1309 Days

Day: 11.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,448,775 km

• M1: 154,535 km (0.12 R)
• M2: 1,063,192 km (0.1 R)
• M3: 1,674,000 km (0.119 R)
• M4: 3,116,273 km (0.079 R)
• M5: 3,541,281 km (0.106 R)
• M6: 4,108,556 km (0.064 R)
• M7: 4,557,350 km (0.116 R)
• M8: 5,160,079 km (0.051 R)
• M9: 5,949,059 km (0.05 R)
• M10: 6,732,802 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.6

Radius: 10.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.83 AU - 2.31 AU

Year: 2020 Days

Day: 8.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,448,775 km

• M1: 133,142 km (0.072 R)
• M2: 578,495 km (0.109 R)
• M3: 997,967 km (0.098 R)
• M4: 1,405,771 km (0.095 R)
• M5: 1,758,822 km (0.092 R)
• M6: 2,303,059 km (0.08 R)
• M7: 4,399,823 km (0.112 R)
• M8: 6,168,967 km (0.059 R)
• M9: 6,588,141 km (0.099 R)
• M10: 7,026,462 km (0.087 R)
• M11: 9,679,581 km (0.115 R)
• M12: 10,660,643 km (0.116 R)
• M13: 11,521,579 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.9

Radius: 7.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.71 AU - 5.83 AU

Year: 9401 Days

Day: 16.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 22,448,775 km

• M1: 94,546 km (0.042 R)
• M2: 359,633 km (0.077 R)
• M3: 883,226 km (0.096 R)
• M4: 3,241,487 km (0.108 R)
• M5: 4,528,776 km (0.113 R)
• M6: 4,989,687 km (0.071 R)
• M7: 6,035,526 km (0.103 R)
• M8: 6,658,152 km (0.069 R)
• M9: 7,426,337 km (0.057 R)
• M10: 8,215,167 km (0.106 R)
• M11: 8,940,268 km (0.097 R)
• M12: 9,177,829 km (0.104 R)
• M13: 10,386,580 km (0.102 R)
• M14: 13,015,015 km (0.116 R)
• M15: 13,999,219 km (0.086 R)
• M16: 16,945,549 km (0.034 R)
• M17: 17,556,058 km (0.104 R)
• M18: 17,991,986 km (0.109 R)
• M19: 18,627,328 km (0.042 R)
• M20: 19,741,683 km (0.114 R)
• M21: 21,460,114 km (0.075 R)
• M22: 21,744,051 km (0.105 R)
• M23: 23,350,732 km (0.042 R)
• M24: 23,954,060 km (0.096 R)
• M25: 25,113,443 km (0.118 R)
• M26: 26,798,663 km (0.117 R)
• M27: 28,047,506 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400

Radius: 8

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.27 AU - 6.81 AU

Year: 11344 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 22,448,775 km

• M1: 103,971 km (0.104 R)
• M2: 502,200 km (0.115 R)
• M3: 854,802 km (0.096 R)
• M4: 1,382,284 km (0.117 R)
• M5: 1,900,491 km (0.09 R)
• M6: 3,702,996 km (0.028 R)
• M7: 4,167,946 km (0.068 R)
• M8: 4,759,157 km (0.098 R)
• M9: 7,532,253 km (0.06 R)
• M10: 8,066,916 km (0.029 R)
• M11: 9,350,615 km (0.094 R)
• M12: 10,971,059 km (0.07 R)
• M13: 12,094,838 km (0.114 R)
• M14: 13,770,334 km (0.092 R)
• M15: 15,464,381 km (0.108 R)
• M16: 19,871,384 km (0.057 R)
• M17: 20,573,746 km (0.107 R)
• M18: 21,373,497 km (0.092 R)
• M19: 21,781,001 km (0.091 R)
• M20: 22,527,644 km (0.099 R)
• M21: 25,049,565 km (0.106 R)
• M22: 27,850,486 km (0.052 R)
• M23: 29,930,944 km (0.068 R)
• M24: 38,566,032 km (0.105 R)
• M25: 41,903,710 km (0.065 R)
• M26: 42,542,343 km (0.091 R)
• M27: 43,187,260 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.9

Radius: 7.2

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.97 AU - 8.81 AU

Year: 16483 Days

Day: 22.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,448,775 km

• M1: 89,609 km (0.107 R)
• M2: 491,728 km (0.119 R)
• M3: 850,015 km (0.029 R)
• M4: 1,124,078 km (0.114 R)
• M5: 2,086,591 km (0.061 R)
• M6: 2,410,919 km (0.093 R)
• M7: 2,672,117 km (0.109 R)
• M8: 7,027,360 km (0.101 R)
• M9: 8,751,924 km (0.112 R)
• M10: 11,666,689 km (0.093 R)
• M11: 13,389,309 km (0.071 R)
• M12: 15,378,811 km (0.119 R)
• M13: 18,839,159 km (0.09 R)
• M14: 21,719,068 km (0.077 R)
• M15: 22,115,053 km (0.106 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: 523 - 14,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit