🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.11 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.81 AU - 2.63 AU

Year: 1273 Days

Day: 13.5 Hours

Environment

Temp: -88 °C

Axial Tilt: 54.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 12.3

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.27 AU - 6.44 AU

Year: 5448 Days

Day: 8 Hours

Environment

Temp: -152 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 105,823,368 km

• M1: 153,039 km (0.113 R)
• M2: 592,557 km (0.082 R)
• M3: 1,011,431 km (0.074 R)
• M4: 1,516,174 km (0.112 R)
• M5: 2,010,147 km (0.09 R)
• M6: 3,108,644 km (0.088 R)
• M7: 4,420,467 km (0.092 R)
• M8: 5,948,759 km (0.104 R)
• M9: 7,694,118 km (0.037 R)
• M10: 9,128,911 km (0.027 R)
• M11: 9,715,933 km (0.073 R)
• M12: 12,572,953 km (0.116 R)
• M13: 16,068,756 km (0.097 R)
• M14: 17,302,041 km (0.104 R)
• M15: 18,136,797 km (0.085 R)
• M16: 20,026,069 km (0.114 R)
• M17: 23,486,866 km (0.059 R)
• M18: 23,877,017 km (0.058 R)
• M19: 26,900,390 km (0.049 R)
• M20: 27,586,296 km (0.084 R)
• M21: 28,459,798 km (0.11 R)
• M22: 29,442,058 km (0.105 R)
• M23: 31,853,276 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.4

Radius: 11.7

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.62 AU - 10.06 AU

Year: 11884 Days

Day: 14.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 105,823,368 km

• M1: 146,157 km (0.094 R)
• M2: 546,780 km (0.112 R)
• M3: 1,158,935 km (0.107 R)
• M4: 1,721,871 km (0.08 R)
• M5: 2,129,226 km (0.108 R)
• M6: 3,236,101 km (0.065 R)
• M7: 3,680,556 km (0.084 R)
• M8: 4,394,737 km (0.104 R)
• M9: 12,696,371 km (0.057 R)
• M10: 13,493,279 km (0.092 R)
• M11: 15,528,409 km (0.082 R)
• M12: 16,226,432 km (0.118 R)
• M13: 21,712,485 km (0.066 R)
• M14: 24,401,657 km (0.081 R)
• M15: 39,924,081 km (0.114 R)
• M16: 43,252,036 km (0.119 R)
• M17: 48,362,897 km (0.08 R)
• M18: 49,401,406 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.5

Radius: 5.6

Gravity: 25.21 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 15.25 AU - 21.67 AU

Year: 30536 Days

Day: 24 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 105,823,368 km

• M1: 69,713 km (0.085 R)
• M2: 312,809 km (0.104 R)
• M3: 626,815 km (0.118 R)
• M4: 1,306,588 km (0.081 R)
• M5: 4,412,240 km (0.089 R)
• M6: 8,595,744 km (0.032 R)
• M7: 8,895,089 km (0.097 R)
• M8: 20,490,720 km (0.081 R)
• M9: 20,703,448 km (0.114 R)
• M10: 26,012,527 km (0.089 R)
• M11: 27,792,292 km (0.089 R)
• M12: 30,335,456 km (0.03 R)
• M13: 36,187,875 km (0.081 R)
• M14: 39,213,940 km (0.106 R)
• M15: 48,349,733 km (0.108 R)
• M16: 50,062,479 km (0.098 R)
• M17: 62,526,674 km (0.057 R)
• M18: 63,199,116 km (0.046 R)
• M19: 63,650,004 km (0.094 R)
• M20: 68,752,638 km (0.083 R)
• M21: 69,949,272 km (0.102 R)
• M22: 73,871,429 km (0.025 R)
• M23: 86,235,693 km (0.063 R)
• M24: 94,219,731 km (0.1 R)
• M25: 105,190,042 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 18,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit