🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.2

Radius: 12.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.04 AU - 1.5 AU

Year: 924 Days

Day: 12.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,410,524 km

• M1: 156,779 km (0.116 R)
• M2: 672,891 km (0.087 R)
• M3: 1,526,347 km (0.114 R)
• M4: 2,166,028 km (0.081 R)
• M5: 2,956,652 km (0.074 R)
• M6: 3,571,799 km (0.089 R)
• M7: 6,847,095 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.4

Radius: 12.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.78 AU - 2.12 AU

Year: 1758 Days

Day: 11.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,410,524 km

• M1: 160,668 km (0.101 R)
• M2: 639,082 km (0.1 R)
• M3: 1,137,692 km (0.086 R)
• M4: 1,582,297 km (0.101 R)
• M5: 2,002,966 km (0.044 R)
• M6: 3,284,272 km (0.08 R)
• M7: 4,050,362 km (0.118 R)
• M8: 4,793,116 km (0.09 R)
• M9: 5,218,423 km (0.09 R)
• M10: 5,892,660 km (0.105 R)
• M11: 6,723,078 km (0.052 R)
• M12: 7,820,677 km (0.088 R)
• M13: 8,734,571 km (0.064 R)
• M14: 9,341,190 km (0.069 R)
• M15: 10,270,492 km (0.078 R)
• M16: 10,946,525 km (0.053 R)
• M17: 13,154,290 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.4

Radius: 13.8

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.81 AU - 2.95 AU

Year: 3156 Days

Day: 6.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,410,524 km

• M1: 171,738 km (0.075 R)
• M2: 793,467 km (0.065 R)
• M3: 1,275,771 km (0.106 R)
• M4: 1,784,104 km (0.1 R)
• M5: 3,436,712 km (0.048 R)
• M6: 4,443,805 km (0.111 R)
• M7: 4,958,721 km (0.04 R)
• M8: 5,389,263 km (0.039 R)
• M9: 6,326,344 km (0.065 R)
• M10: 9,074,756 km (0.05 R)
• M11: 10,478,134 km (0.085 R)
• M12: 13,481,162 km (0.084 R)
• M13: 14,663,134 km (0.114 R)
• M14: 16,327,860 km (0.116 R)
• M15: 17,892,055 km (0.106 R)
• M16: 18,454,094 km (0.116 R)
• M17: 19,318,919 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 8.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.6 AU - 3.34 AU

Year: 3305 Days

Day: 6.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,410,524 km

• M1: 111,450 km (0.095 R)
• M2: 694,284 km (0.054 R)
• M3: 1,022,651 km (0.047 R)
• M4: 1,373,907 km (0.068 R)
• M5: 1,816,118 km (0.077 R)
• M6: 2,286,753 km (0.106 R)
• M7: 3,953,124 km (0.074 R)
• M8: 4,683,161 km (0.057 R)
• M9: 7,415,118 km (0.108 R)
• M10: 10,547,697 km (0.108 R)
• M11: 15,853,335 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.6

Radius: 11.9

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.35 AU - 4.35 AU

Year: 4878 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,410,524 km

• M1: 147,952 km (0.059 R)
• M2: 698,622 km (0.086 R)
• M3: 1,149,061 km (0.118 R)
• M4: 2,358,560 km (0.092 R)
• M5: 2,851,335 km (0.111 R)
• M6: 3,250,463 km (0.112 R)
• M7: 3,908,693 km (0.107 R)
• M8: 4,940,470 km (0.07 R)
• M9: 5,723,764 km (0.083 R)
• M10: 7,326,556 km (0.04 R)
• M11: 9,008,784 km (0.073 R)
• M12: 10,047,741 km (0.109 R)
• M13: 11,118,862 km (0.091 R)
• M14: 13,277,709 km (0.104 R)
• M15: 13,965,859 km (0.107 R)
• M16: 14,957,693 km (0.085 R)
• M17: 16,532,809 km (0.104 R)
• M18: 17,579,695 km (0.094 R)
• M19: 18,409,664 km (0.092 R)
• M20: 22,582,397 km (0.042 R)
• M21: 23,716,498 km (0.096 R)
• M22: 24,572,049 km (0.071 R)
• M23: 25,853,055 km (0.108 R)
• M24: 26,344,783 km (0.098 R)
• M25: 27,093,970 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.5

Radius: 12.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.13 AU - 4.71 AU

Year: 6000 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,410,524 km

• M1: 157,377 km (0.072 R)
• M2: 846,425 km (0.117 R)
• M3: 1,403,378 km (0.108 R)
• M4: 1,849,927 km (0.093 R)
• M5: 2,316,972 km (0.066 R)
• M6: 3,842,721 km (0.07 R)
• M7: 4,516,958 km (0.11 R)
• M8: 6,101,948 km (0.033 R)
• M9: 6,612,226 km (0.098 R)
• M10: 7,150,778 km (0.119 R)
• M11: 8,461,256 km (0.104 R)
• M12: 9,250,983 km (0.117 R)
• M13: 12,148,993 km (0.114 R)
• M14: 14,318,611 km (0.092 R)
• M15: 15,605,302 km (0.119 R)
• M16: 16,851,153 km (0.058 R)
• M17: 18,531,436 km (0.093 R)
• M18: 19,604,651 km (0.106 R)
• M19: 20,652,136 km (0.064 R)
• M20: 22,929,913 km (0.097 R)
• M21: 23,652,171 km (0.119 R)
• M22: 24,240,689 km (0.101 R)
• M23: 24,990,175 km (0.076 R)
• M24: 25,755,069 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.1

Radius: 7.6

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.61 AU - 11.55 AU

Year: 22220 Days

Day: 24.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,410,524 km

• M1: 95,892 km (0.104 R)
• M2: 558,748 km (0.051 R)
• M3: 835,205 km (0.118 R)
• M4: 1,508,096 km (0.071 R)
• M5: 2,594,625 km (0.052 R)
• M6: 3,052,694 km (0.108 R)
• M7: 4,505,289 km (0.115 R)
• M8: 9,897,994 km (0.042 R)
• M9: 11,078,171 km (0.105 R)
• M10: 12,419,017 km (0.075 R)
• M11: 16,322,025 km (0.085 R)
• M12: 22,080,347 km (0.11 R)
• M13: 22,700,579 km (0.062 R)
• M14: 30,057,055 km (0.089 R)
• M15: 37,968,089 km (0.075 R)
• M16: 38,858,047 km (0.078 R)
• M17: 40,525,614 km (0.111 R)
• M18: 41,611,246 km (0.072 R)
• M19: 45,647,247 km (0.092 R)
• M20: 55,239,762 km (0.118 R)
• M21: 66,734,114 km (0.045 R)
• M22: 74,296,586 km (0.061 R)
• M23: 80,207,946 km (0.085 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 18,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit