🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.7

Radius: 12.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.68 AU - 0.78 AU

Year: 403 Days

Day: 14.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 29,764,839 km

• M1: 156,779 km (0.078 R)
• M2: 565,031 km (0.049 R)
• M3: 1,013,825 km (0.094 R)
• M4: 1,408,165 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.7

Radius: 9.9

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.44 AU - 2.66 AU

Year: 2629 Days

Day: 15 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,764,839 km

• M1: 124,316 km (0.107 R)
• M2: 506,688 km (0.108 R)
• M3: 909,555 km (0.03 R)
• M4: 1,342,491 km (0.083 R)
• M5: 2,172,460 km (0.11 R)
• M6: 2,588,492 km (0.065 R)
• M7: 2,959,345 km (0.118 R)
• M8: 3,277,839 km (0.084 R)
• M9: 3,886,403 km (0.101 R)
• M10: 5,113,106 km (0.09 R)
• M11: 5,499,816 km (0.102 R)
• M12: 6,525,310 km (0.047 R)
• M13: 7,216,751 km (0.09 R)
• M14: 10,327,339 km (0.112 R)
• M15: 11,839,774 km (0.053 R)
• M16: 12,605,565 km (0.075 R)
• M17: 13,223,704 km (0.111 R)
• M18: 14,760,672 km (0.097 R)
• M19: 15,249,109 km (0.076 R)
• M20: 16,779,346 km (0.087 R)
• M21: 17,636,093 km (0.077 R)
• M22: 18,241,815 km (0.068 R)
• M23: 19,205,225 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 14.6

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.65 AU - 2.77 AU

Year: 2881 Days

Day: 14.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,764,839 km

• M1: 181,612 km (0.1 R)
• M2: 653,593 km (0.102 R)
• M3: 1,448,855 km (0.12 R)
• M4: 2,127,431 km (0.096 R)
• M5: 3,158,161 km (0.119 R)
• M6: 6,434,653 km (0.081 R)
• M7: 7,102,159 km (0.09 R)
• M8: 15,067,498 km (0.046 R)
• M9: 16,705,445 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.1

Radius: 10.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.59 AU - 4.57 AU

Year: 5321 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 172.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,764,839 km

• M1: 140,622 km (0.053 R)
• M2: 631,602 km (0.086 R)
• M3: 1,329,177 km (0.072 R)
• M4: 1,694,196 km (0.11 R)
• M5: 2,102,748 km (0.105 R)
• M6: 4,852,805 km (0.094 R)
• M7: 6,122,891 km (0.118 R)
• M8: 9,373,803 km (0.045 R)
• M9: 10,661,541 km (0.117 R)
• M10: 12,543,632 km (0.071 R)
• M11: 13,245,545 km (0.12 R)
• M12: 15,933,520 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.7

Radius: 11.5

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.41 AU - 7.19 AU

Year: 9019 Days

Day: 14.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,764,839 km

• M1: 143,016 km (0.088 R)
• M2: 568,322 km (0.112 R)
• M3: 926,908 km (0.09 R)
• M4: 1,492,837 km (0.093 R)
• M5: 2,623,498 km (0.081 R)
• M6: 3,040,427 km (0.067 R)
• M7: 3,435,964 km (0.113 R)
• M8: 3,913,181 km (0.11 R)
• M9: 4,512,769 km (0.083 R)
• M10: 4,890,205 km (0.111 R)
• M11: 5,647,619 km (0.097 R)
• M12: 6,315,125 km (0.098 R)
• M13: 7,249,812 km (0.069 R)
• M14: 8,514,812 km (0.037 R)
• M15: 9,699,178 km (0.117 R)
• M16: 10,657,053 km (0.115 R)
• M17: 13,854,408 km (0.056 R)
• M18: 14,366,332 km (0.119 R)
• M19: 15,671,125 km (0.109 R)
• M20: 16,164,798 km (0.078 R)
• M21: 18,997,733 km (0.064 R)
• M22: 20,788,868 km (0.049 R)
• M23: 22,846,886 km (0.052 R)
• M24: 24,621,566 km (0.088 R)
• M25: 27,990,510 km (0.084 R)
• M26: 29,178,616 km (0.103 R)
• M27: 30,495,376 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342

Radius: 3.8

Gravity: 23.68 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.92 AU - 6.08 AU

Year: 9489 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 125.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,764,839 km

• M1: 47,722 km (0.095 R)
• M2: 691,890 km (0.094 R)
• M3: 1,007,990 km (0.053 R)
• M4: 2,556,328 km (0.072 R)
• M5: 3,086,802 km (0.08 R)
• M6: 4,335,496 km (0.109 R)
• M7: 14,196,838 km (0.079 R)
• M8: 15,089,488 km (0.107 R)
• M9: 16,082,369 km (0.081 R)
• M10: 18,128,569 km (0.118 R)
• M11: 18,404,577 km (0.081 R)
• M12: 21,551,518 km (0.109 R)
• M13: 26,604,037 km (0.083 R)
• M14: 26,871,218 km (0.073 R)
• M15: 29,450,435 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.5

Radius: 5

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.55 AU - 6.79 AU

Year: 9896 Days

Day: 15.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 95.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,764,839 km

• M1: 66,421 km (0.077 R)
• M2: 990,637 km (0.116 R)
• M3: 1,250,339 km (0.101 R)
• M4: 2,897,112 km (0.117 R)
• M5: 4,534,461 km (0.1 R)
• M6: 5,978,230 km (0.09 R)
• M7: 7,775,798 km (0.097 R)
• M8: 11,194,857 km (0.117 R)
• M9: 14,049,484 km (0.106 R)
• M10: 19,419,898 km (0.11 R)
• M11: 22,741,719 km (0.114 R)
• M12: 24,811,555 km (0.105 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 14,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit