🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.7

Radius: 10.4

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.71 AU - 0.93 AU

Year: 504 Days

Day: 6.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,558,826 km

• M1: 129,402 km (0.042 R)
• M2: 473,627 km (0.057 R)
• M3: 960,867 km (0.049 R)
• M4: 1,294,022 km (0.118 R)
• M5: 1,621,192 km (0.113 R)
• M6: 1,964,220 km (0.088 R)
• M7: 2,365,292 km (0.069 R)
• M8: 2,862,406 km (0.119 R)
• M9: 3,334,686 km (0.09 R)
• M10: 3,744,435 km (0.11 R)
• M11: 4,535,658 km (0.091 R)
• M12: 5,117,444 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.5

Radius: 12.4

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.97 AU - 1.57 AU

Year: 971 Days

Day: 5.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,558,826 km

• M1: 154,385 km (0.119 R)
• M2: 627,713 km (0.069 R)
• M3: 1,069,026 km (0.104 R)
• M4: 1,748,051 km (0.093 R)
• M5: 2,279,572 km (0.063 R)
• M6: 3,172,522 km (0.106 R)
• M7: 3,784,228 km (0.105 R)
• M8: 4,255,162 km (0.119 R)
• M9: 4,715,774 km (0.102 R)
• M10: 6,162,235 km (0.081 R)
• M11: 7,427,684 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 12.5

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.55 AU - 1.59 AU

Year: 1334 Days

Day: 8.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,558,826 km

• M1: 156,330 km (0.085 R)
• M2: 615,894 km (0.12 R)
• M3: 1,015,770 km (0.09 R)
• M4: 1,417,290 km (0.099 R)
• M5: 2,350,033 km (0.105 R)
• M6: 2,767,710 km (0.108 R)
• M7: 3,722,294 km (0.069 R)
• M8: 4,312,607 km (0.104 R)
• M9: 4,727,442 km (0.12 R)
• M10: 5,928,564 km (0.055 R)
• M11: 6,588,589 km (0.111 R)
• M12: 7,535,544 km (0.105 R)
• M13: 8,512,717 km (0.106 R)
• M14: 9,017,012 km (0.095 R)
• M15: 9,667,463 km (0.067 R)
• M16: 10,992,900 km (0.114 R)
• M17: 11,448,725 km (0.052 R)
• M18: 11,953,767 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707

Radius: 14.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.29 AU - 2.03 AU

Year: 1451 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,558,826 km

• M1: 191,336 km (0.102 R)
• M2: 690,095 km (0.081 R)
• M3: 1,355,357 km (0.098 R)
• M4: 2,216,143 km (0.1 R)
• M5: 3,358,921 km (0.116 R)
• M6: 3,823,871 km (0.087 R)
• M7: 4,985,798 km (0.069 R)
• M8: 7,142,251 km (0.105 R)
• M9: 7,726,132 km (0.071 R)
• M10: 9,264,895 km (0.097 R)
• M11: 10,058,213 km (0.067 R)
• M12: 10,724,971 km (0.088 R)
• M13: 11,599,968 km (0.116 R)
• M14: 13,059,445 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.3

Radius: 11.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.58 AU - 3.3 AU

Year: 3419 Days

Day: 8.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,558,826 km

• M1: 144,362 km (0.081 R)
• M2: 508,334 km (0.116 R)
• M3: 1,854,565 km (0.113 R)
• M4: 2,269,549 km (0.111 R)
• M5: 2,709,517 km (0.113 R)
• M6: 3,419,059 km (0.06 R)
• M7: 4,017,301 km (0.065 R)
• M8: 5,364,280 km (0.039 R)
• M9: 6,173,904 km (0.105 R)
• M10: 7,039,477 km (0.074 R)
• M11: 8,036,248 km (0.041 R)
• M12: 8,623,270 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 11.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.81 AU - 4.31 AU

Year: 4556 Days

Day: 12.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,558,826 km

• M1: 146,756 km (0.043 R)
• M2: 547,678 km (0.086 R)
• M3: 1,018,163 km (0.087 R)
• M4: 1,782,159 km (0.115 R)
• M5: 2,324,901 km (0.057 R)
• M6: 2,701,887 km (0.085 R)
• M7: 3,672,029 km (0.035 R)
• M8: 4,816,902 km (0.047 R)
• M9: 5,223,958 km (0.088 R)
• M10: 5,979,576 km (0.073 R)
• M11: 6,613,423 km (0.107 R)
• M12: 7,587,604 km (0.113 R)
• M13: 9,677,785 km (0.12 R)
• M14: 12,126,703 km (0.112 R)
• M15: 13,186,903 km (0.029 R)
• M16: 13,987,850 km (0.053 R)
• M17: 16,790,267 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.2

Radius: 15

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.4 AU - 3.72 AU

Year: 4556 Days

Day: 11.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,558,826 km

• M1: 189,690 km (0.077 R)
• M2: 1,200,523 km (0.075 R)
• M3: 1,801,009 km (0.073 R)
• M4: 2,295,131 km (0.086 R)
• M5: 2,791,496 km (0.102 R)
• M6: 3,694,619 km (0.067 R)
• M7: 4,889,756 km (0.03 R)
• M8: 5,463,464 km (0.091 R)
• M9: 5,990,796 km (0.104 R)
• M10: 6,520,074 km (0.055 R)
• M11: 8,223,395 km (0.103 R)
• M12: 9,321,443 km (0.116 R)
• M13: 9,821,100 km (0.107 R)
• M14: 10,338,709 km (0.079 R)
• M15: 11,808,658 km (0.032 R)
• M16: 14,544,354 km (0.049 R)
• M17: 15,447,327 km (0.098 R)
• M18: 16,567,964 km (0.106 R)
• M19: 17,932,297 km (0.116 R)
• M20: 18,838,860 km (0.104 R)
• M21: 19,370,531 km (0.059 R)
• M22: 21,525,937 km (0.09 R)
• M23: 24,853,891 km (0.11 R)
• M24: 25,332,903 km (0.105 R)
• M25: 29,300,987 km (0.075 R)
• M26: 30,195,881 km (0.077 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: 411 - 13,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit