🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955

Radius: 8.8

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.64 AU - 0.96 AU

Year: 469 Days

Day: 7.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,219,628 km

• M1: 111,301 km (0.111 R)
• M2: 406,009 km (0.03 R)
• M3: 697,724 km (0.064 R)
• M4: 997,967 km (0.074 R)
• M5: 1,307,485 km (0.115 R)
• M6: 1,681,480 km (0.102 R)
• M7: 1,984,266 km (0.046 R)
• M8: 2,362,450 km (0.073 R)
• M9: 2,701,438 km (0.095 R)
• M10: 3,096,377 km (0.112 R)
• M11: 3,581,672 km (0.093 R)
• M12: 4,059,488 km (0.065 R)
• M13: 4,396,083 km (0.104 R)
• M14: 5,209,895 km (0.114 R)
• M15: 5,484,856 km (0.065 R)
• M16: 5,971,199 km (0.103 R)
• M17: 6,485,816 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774

Radius: 8.7

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.07 AU - 1.45 AU

Year: 928 Days

Day: 14.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,219,628 km

• M1: 108,159 km (0.051 R)
• M2: 427,700 km (0.111 R)
• M3: 858,243 km (0.057 R)
• M4: 1,206,956 km (0.089 R)
• M5: 1,499,120 km (0.067 R)
• M6: 2,135,061 km (0.089 R)
• M7: 3,071,992 km (0.085 R)
• M8: 3,716,310 km (0.075 R)
• M9: 4,210,582 km (0.062 R)
• M10: 4,986,695 km (0.102 R)
• M11: 5,508,343 km (0.074 R)
• M12: 6,151,614 km (0.05 R)
• M13: 6,592,479 km (0.101 R)
• M14: 7,078,074 km (0.1 R)
• M15: 8,304,028 km (0.114 R)
• M16: 8,706,147 km (0.063 R)
• M17: 9,783,252 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810

Radius: 13.7

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.4 AU - 2.66 AU

Year: 2640 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,219,628 km

• M1: 172,636 km (0.051 R)
• M2: 976,425 km (0.057 R)
• M3: 1,692,251 km (0.074 R)
• M4: 2,996,296 km (0.117 R)
• M5: 4,506,337 km (0.062 R)
• M6: 6,199,785 km (0.048 R)
• M7: 7,481,539 km (0.075 R)
• M8: 8,385,110 km (0.098 R)
• M9: 9,837,855 km (0.071 R)
• M10: 11,083,856 km (0.1 R)
• M11: 18,246,452 km (0.109 R)
• M12: 19,110,679 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.1

Radius: 13

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.37 AU - 2.83 AU

Year: 2750 Days

Day: 10.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,219,628 km

• M1: 161,715 km (0.111 R)
• M2: 782,397 km (0.108 R)
• M3: 1,465,760 km (0.066 R)
• M4: 2,246,212 km (0.099 R)
• M5: 2,976,250 km (0.068 R)
• M6: 3,889,694 km (0.116 R)
• M7: 5,619,644 km (0.041 R)
• M8: 6,678,049 km (0.112 R)
• M9: 7,220,192 km (0.101 R)
• M10: 7,645,947 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.2

Radius: 12.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.02 AU - 3.44 AU

Year: 3808 Days

Day: 12 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,219,628 km

• M1: 161,117 km (0.085 R)
• M2: 795,861 km (0.077 R)
• M3: 1,280,857 km (0.064 R)
• M4: 1,812,528 km (0.083 R)
• M5: 2,265,809 km (0.079 R)
• M6: 2,745,271 km (0.062 R)
• M7: 4,193,378 km (0.118 R)
• M8: 5,200,620 km (0.071 R)
• M9: 6,392,616 km (0.055 R)
• M10: 7,229,467 km (0.103 R)
• M11: 8,493,120 km (0.1 R)
• M12: 9,158,830 km (0.056 R)
• M13: 10,890,575 km (0.097 R)
• M14: 15,855,729 km (0.101 R)
• M15: 16,923,409 km (0.117 R)
• M16: 18,158,339 km (0.113 R)
• M17: 19,642,500 km (0.12 R)
• M18: 21,006,084 km (0.041 R)
• M19: 24,727,182 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.8

Radius: 3.4

Gravity: 35.02 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.7 AU - 9.04 AU

Year: 13125 Days

Day: 23.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,219,628 km

• M1: 76,295 km (0.067 R)
• M2: 208,091 km (0.096 R)
• M3: 357,389 km (0.069 R)
• M4: 777,161 km (0.073 R)
• M5: 1,157,588 km (0.117 R)
• M6: 1,449,903 km (0.1 R)
• M7: 2,582,957 km (0.074 R)
• M8: 3,637,173 km (0.039 R)
• M9: 3,953,423 km (0.116 R)
• M10: 7,337,327 km (0.079 R)
• M11: 11,413,570 km (0.116 R)
• M12: 11,804,319 km (0.028 R)
• M13: 14,793,285 km (0.037 R)
• M14: 19,407,033 km (0.092 R)
• M15: 20,448,533 km (0.107 R)
• M16: 23,976,500 km (0.103 R)
• M17: 24,801,681 km (0.07 R)
• M18: 29,420,815 km (0.032 R)
• M19: 29,943,510 km (0.112 R)
• M20: 40,185,429 km (0.098 R)
• M21: 44,695,954 km (0.116 R)
• M22: 44,833,435 km (0.083 R)
• M23: 45,804,175 km (0.054 R)
• M24: 47,500,615 km (0.052 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 18,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit