🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.8

Radius: 12.4

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.65 AU - 1.07 AU

Year: 515 Days

Day: 8.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,727,497 km

• M1: 154,235 km (0.106 R)
• M2: 640,728 km (0.097 R)
• M3: 1,508,695 km (0.079 R)
• M4: 1,960,031 km (0.072 R)
• M5: 2,464,924 km (0.111 R)
• M6: 2,959,943 km (0.078 R)
• M7: 3,473,663 km (0.073 R)
• M8: 3,903,906 km (0.078 R)
• M9: 4,342,377 km (0.12 R)
• M10: 4,843,231 km (0.079 R)
• M11: 5,495,179 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.9

Radius: 9.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.74 AU - 1 AU

Year: 524 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,727,497 km

• M1: 117,285 km (0.078 R)
• M2: 439,668 km (0.05 R)
• M3: 923,767 km (0.115 R)
• M4: 1,346,830 km (0.099 R)
• M5: 2,281,517 km (0.102 R)
• M6: 3,147,240 km (0.109 R)
• M7: 3,852,594 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.8

Radius: 11

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.9 AU - 1.12 AU

Year: 655 Days

Day: 14.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,727,497 km

• M1: 136,732 km (0.053 R)
• M2: 502,050 km (0.113 R)
• M3: 886,517 km (0.076 R)
• M4: 1,234,332 km (0.071 R)
• M5: 1,576,762 km (0.119 R)
• M6: 2,548,101 km (0.084 R)
• M7: 3,159,806 km (0.047 R)
• M8: 4,093,596 km (0.114 R)
• M9: 4,632,448 km (0.101 R)
• M10: 5,154,095 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.1

Radius: 9.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.27 AU - 1.77 AU

Year: 1210 Days

Day: 6.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,727,497 km

• M1: 123,119 km (0.053 R)
• M2: 436,377 km (0.063 R)
• M3: 885,021 km (0.107 R)
• M4: 1,227,151 km (0.054 R)
• M5: 1,536,071 km (0.036 R)
• M6: 1,851,872 km (0.048 R)
• M7: 2,447,421 km (0.056 R)
• M8: 2,760,230 km (0.105 R)
• M9: 3,273,501 km (0.046 R)
• M10: 4,003,389 km (0.07 R)
• M11: 4,697,373 km (0.109 R)
• M12: 5,411,703 km (0.116 R)
• M13: 5,845,686 km (0.117 R)
• M14: 6,388,278 km (0.059 R)
• M15: 7,574,439 km (0.103 R)
• M16: 9,228,693 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.4

Radius: 8.2

Gravity: 14.15 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.61 AU - 1.77 AU

Year: 1419 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 117.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,727,497 km

• M1: 102,026 km (0.027 R)
• M2: 480,359 km (0.101 R)
• M3: 839,543 km (0.105 R)
• M4: 1,349,223 km (0.08 R)
• M5: 1,650,065 km (0.075 R)
• M6: 2,063,403 km (0.077 R)
• M7: 2,363,796 km (0.043 R)
• M8: 3,380,613 km (0.066 R)
• M9: 3,800,384 km (0.111 R)
• M10: 4,683,909 km (0.098 R)
• M11: 4,950,942 km (0.09 R)
• M12: 5,228,146 km (0.104 R)
• M13: 5,674,995 km (0.091 R)
• M14: 6,293,732 km (0.11 R)
• M15: 6,930,271 km (0.113 R)
• M16: 7,979,102 km (0.042 R)
• M17: 8,879,082 km (0.103 R)
• M18: 9,161,822 km (0.108 R)
• M19: 9,418,233 km (0.113 R)
• M20: 9,911,906 km (0.112 R)
• M21: 12,643,264 km (0.088 R)
• M22: 13,407,709 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 10.7

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.82 AU - 3.36 AU

Year: 3507 Days

Day: 6.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 174 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,727,497 km

• M1: 133,142 km (0.082 R)
• M2: 506,239 km (0.085 R)
• M3: 942,167 km (0.083 R)
• M4: 1,539,960 km (0.116 R)
• M5: 2,091,528 km (0.091 R)
• M6: 2,689,022 km (0.098 R)
• M7: 3,190,923 km (0.085 R)
• M8: 3,713,468 km (0.092 R)
• M9: 4,158,821 km (0.074 R)
• M10: 4,568,569 km (0.092 R)
• M11: 5,311,921 km (0.119 R)
• M12: 6,220,728 km (0.065 R)
• M13: 6,820,017 km (0.077 R)
• M14: 7,995,707 km (0.073 R)
• M15: 8,487,734 km (0.117 R)
• M16: 9,150,004 km (0.095 R)
• M17: 12,378,177 km (0.094 R)
• M18: 12,894,140 km (0.116 R)
• M19: 13,375,546 km (0.047 R)
• M20: 13,719,770 km (0.114 R)
• M21: 17,611,858 km (0.109 R)
• M22: 18,145,025 km (0.098 R)
• M23: 20,777,050 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.2

Radius: 11.5

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.08 AU - 4.6 AU

Year: 5838 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,727,497 km

• M1: 146,157 km (0.098 R)
• M2: 694,284 km (0.107 R)
• M3: 1,275,621 km (0.041 R)
• M4: 2,814,983 km (0.071 R)
• M5: 3,345,158 km (0.091 R)
• M6: 3,941,306 km (0.109 R)
• M7: 5,227,997 km (0.08 R)
• M8: 9,117,691 km (0.099 R)
• M9: 10,236,533 km (0.114 R)
• M10: 10,756,835 km (0.086 R)
• M11: 12,318,786 km (0.098 R)
• M12: 12,962,356 km (0.117 R)
• M13: 13,969,449 km (0.094 R)
• M14: 15,392,574 km (0.119 R)
• M15: 15,825,360 km (0.054 R)
• M16: 17,437,577 km (0.061 R)
• M17: 18,249,145 km (0.093 R)
• M18: 19,085,846 km (0.071 R)
• M19: 20,536,796 km (0.088 R)
• M20: 30,723,812 km (0.108 R)
• M21: 33,532,662 km (0.076 R)
• M22: 34,681,574 km (0.107 R)
• M23: 35,319,160 km (0.11 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: 281 - 15,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit