🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.1

Radius: 12.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.8 AU - 1 AU

Year: 560 Days

Day: 13.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,613,253 km

• M1: 153,039 km (0.117 R)
• M2: 706,401 km (0.113 R)
• M3: 1,168,958 km (0.039 R)
• M4: 1,599,500 km (0.116 R)
• M5: 2,043,507 km (0.064 R)
• M6: 2,471,955 km (0.067 R)
• M7: 2,940,795 km (0.105 R)
• M8: 4,185,599 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.4

Radius: 9.8

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.14 AU - 1.64 AU

Year: 1075 Days

Day: 13.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,613,253 km

• M1: 122,072 km (0.112 R)
• M2: 433,235 km (0.11 R)
• M3: 985,252 km (0.102 R)
• M4: 1,315,264 km (0.101 R)
• M5: 1,779,915 km (0.075 R)
• M6: 2,967,124 km (0.113 R)
• M7: 3,300,129 km (0.089 R)
• M8: 3,935,920 km (0.081 R)
• M9: 4,617,787 km (0.04 R)
• M10: 5,229,194 km (0.064 R)
• M11: 6,033,282 km (0.078 R)
• M12: 6,423,134 km (0.066 R)
• M13: 7,623,956 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.7

Radius: 12.3

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.88 AU - 2.1 AU

Year: 1842 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,613,253 km

• M1: 155,133 km (0.113 R)
• M2: 556,504 km (0.042 R)
• M3: 1,253,929 km (0.075 R)
• M4: 1,912,459 km (0.114 R)
• M5: 2,341,506 km (0.114 R)
• M6: 2,835,478 km (0.111 R)
• M7: 3,448,680 km (0.045 R)
• M8: 4,284,184 km (0.027 R)
• M9: 4,834,854 km (0.086 R)
• M10: 5,785,249 km (0.078 R)
• M11: 6,178,542 km (0.118 R)
• M12: 6,883,297 km (0.062 R)
• M13: 8,928,749 km (0.092 R)
• M14: 10,285,452 km (0.087 R)
• M15: 11,970,971 km (0.12 R)
• M16: 12,449,984 km (0.067 R)
• M17: 15,645,544 km (0.107 R)
• M18: 16,074,142 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.1

Radius: 8.2

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.57 AU - 2.61 AU

Year: 2734 Days

Day: 7.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,613,253 km

• M1: 102,026 km (0.069 R)
• M2: 543,938 km (0.076 R)
• M3: 799,451 km (0.108 R)
• M4: 1,489,396 km (0.1 R)
• M5: 2,588,342 km (0.115 R)
• M6: 3,048,505 km (0.111 R)
• M7: 3,949,234 km (0.094 R)
• M8: 4,649,053 km (0.03 R)
• M9: 5,554,419 km (0.079 R)
• M10: 6,831,088 km (0.106 R)
• M11: 9,009,233 km (0.047 R)
• M12: 13,450,195 km (0.105 R)
• M13: 16,557,492 km (0.059 R)
• M14: 16,822,879 km (0.079 R)
• M15: 19,873,329 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.7

Radius: 12

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.81 AU - 2.85 AU

Year: 3123 Days

Day: 13.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,613,253 km

• M1: 150,495 km (0.061 R)
• M2: 620,532 km (0.089 R)
• M3: 1,000,810 km (0.067 R)
• M4: 1,456,036 km (0.101 R)
• M5: 2,281,816 km (0.114 R)
• M6: 2,693,958 km (0.094 R)
• M7: 3,380,164 km (0.096 R)
• M8: 3,765,229 km (0.071 R)
• M9: 4,473,126 km (0.068 R)
• M10: 5,101,736 km (0.102 R)
• M11: 5,814,121 km (0.085 R)
• M12: 6,647,681 km (0.104 R)
• M13: 7,049,500 km (0.104 R)
• M14: 7,839,228 km (0.104 R)
• M15: 8,452,878 km (0.04 R)
• M16: 9,379,786 km (0.112 R)
• M17: 11,888,393 km (0.032 R)
• M18: 13,501,058 km (0.066 R)
• M19: 14,241,717 km (0.091 R)
• M20: 14,766,656 km (0.046 R)
• M21: 18,191,400 km (0.098 R)
• M22: 19,095,271 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.7

Radius: 14.7

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.71 AU - 4.01 AU

Year: 4975 Days

Day: 12.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,613,253 km

• M1: 182,809 km (0.114 R)
• M2: 703,110 km (0.105 R)
• M3: 1,296,714 km (0.087 R)
• M4: 3,069,449 km (0.061 R)
• M5: 3,792,904 km (0.049 R)
• M6: 4,652,494 km (0.077 R)
• M7: 5,366,375 km (0.04 R)
• M8: 5,863,339 km (0.09 R)
• M9: 7,111,434 km (0.102 R)
• M10: 8,903,317 km (0.102 R)
• M11: 9,803,298 km (0.118 R)
• M12: 10,296,672 km (0.07 R)
• M13: 11,067,699 km (0.046 R)
• M14: 12,249,223 km (0.085 R)
• M15: 14,229,001 km (0.063 R)
• M16: 14,969,960 km (0.096 R)
• M17: 18,878,354 km (0.101 R)
• M18: 22,135,548 km (0.03 R)
• M19: 24,305,166 km (0.102 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: 418 - 11,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit