🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.6

Radius: 10.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.57 AU - 0.87 AU

Year: 401 Days

Day: 13.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,535,508 km

• M1: 126,111 km (0.103 R)
• M2: 451,636 km (0.059 R)
• M3: 972,536 km (0.103 R)
• M4: 1,411,456 km (0.069 R)
• M5: 2,319,066 km (0.038 R)
• M6: 2,659,850 km (0.057 R)
• M7: 3,509,716 km (0.118 R)
• M8: 4,465,197 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.8

Radius: 14.8

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.75 AU - 0.79 AU

Year: 443 Days

Day: 11.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,535,508 km

• M1: 184,305 km (0.11 R)
• M2: 674,238 km (0.108 R)
• M3: 1,354,010 km (0.105 R)
• M4: 2,686,030 km (0.108 R)
• M5: 3,182,695 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 15

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.05 AU - 1.11 AU

Year: 736 Days

Day: 5.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,535,508 km

• M1: 186,549 km (0.058 R)
• M2: 740,061 km (0.117 R)
• M3: 1,612,665 km (0.099 R)
• M4: 2,152,863 km (0.111 R)
• M5: 2,674,062 km (0.082 R)
• M6: 3,429,830 km (0.045 R)
• M7: 4,354,794 km (0.12 R)
• M8: 4,852,656 km (0.03 R)
• M9: 5,423,521 km (0.075 R)
• M10: 5,908,518 km (0.098 R)
• M11: 6,442,283 km (0.114 R)
• M12: 7,260,733 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.5

Radius: 14

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.12 AU - 1.3 AU

Year: 873 Days

Day: 5.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,535,508 km

• M1: 174,431 km (0.093 R)
• M2: 624,870 km (0.091 R)
• M3: 1,115,851 km (0.077 R)
• M4: 1,944,324 km (0.081 R)
• M5: 2,754,246 km (0.104 R)
• M6: 3,655,873 km (0.05 R)
• M7: 5,016,166 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.5

Radius: 9.5

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.21 AU - 2.3 AU

Year: 2214 Days

Day: 7.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,535,508 km

• M1: 149,299 km (0.066 R)
• M2: 582,684 km (0.099 R)
• M3: 910,153 km (0.103 R)
• M4: 1,513,930 km (0.099 R)
• M5: 2,196,246 km (0.047 R)
• M6: 2,851,934 km (0.062 R)
• M7: 3,267,666 km (0.041 R)
• M8: 3,816,092 km (0.119 R)
• M9: 5,638,194 km (0.119 R)
• M10: 6,374,964 km (0.085 R)
• M11: 7,145,841 km (0.119 R)
• M12: 8,872,650 km (0.085 R)
• M13: 9,208,048 km (0.117 R)
• M14: 9,656,842 km (0.117 R)
• M15: 13,347,571 km (0.117 R)
• M16: 14,468,059 km (0.056 R)
• M17: 17,049,221 km (0.102 R)
• M18: 17,463,906 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.7

Radius: 14.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.57 AU - 4.77 AU

Year: 5586 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,535,508 km

• M1: 179,069 km (0.053 R)
• M2: 879,037 km (0.03 R)
• M3: 1,376,300 km (0.081 R)
• M4: 1,855,014 km (0.026 R)
• M5: 2,525,511 km (0.053 R)
• M6: 3,035,191 km (0.095 R)
• M7: 3,613,836 km (0.112 R)
• M8: 4,381,871 km (0.084 R)
• M9: 5,046,834 km (0.09 R)
• M10: 6,549,245 km (0.106 R)
• M11: 7,056,980 km (0.109 R)
• M12: 10,506,558 km (0.114 R)
• M13: 12,548,419 km (0.083 R)
• M14: 14,522,064 km (0.119 R)
• M15: 15,499,686 km (0.109 R)
• M16: 17,465,551 km (0.12 R)
• M17: 17,951,296 km (0.07 R)
• M18: 19,077,468 km (0.082 R)
• M19: 20,316,588 km (0.046 R)
• M20: 21,332,357 km (0.107 R)
• M21: 24,206,731 km (0.1 R)
• M22: 25,040,290 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.4

Radius: 3.6

Gravity: 49.8 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.39 AU - 7.31 AU

Year: 10497 Days

Day: 17.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,535,508 km

• M1: 44,730 km (0.032 R)
• M2: 225,294 km (0.074 R)
• M3: 346,917 km (0.055 R)
• M4: 582,534 km (0.109 R)
• M5: 698,472 km (0.119 R)
• M6: 820,694 km (0.045 R)
• M7: 936,931 km (0.113 R)
• M8: 1,120,638 km (0.098 R)
• M9: 1,447,808 km (0.105 R)
• M10: 1,633,758 km (0.114 R)
• M11: 4,463,552 km (0.091 R)
• M12: 5,079,297 km (0.04 R)
• M13: 5,474,833 km (0.107 R)
• M14: 7,387,143 km (0.096 R)
• M15: 8,977,667 km (0.108 R)
• M16: 10,003,759 km (0.113 R)
• M17: 10,362,495 km (0.066 R)
• M18: 13,361,483 km (0.047 R)
• M19: 15,562,517 km (0.084 R)
• M20: 15,767,466 km (0.052 R)
• M21: 19,141,945 km (0.116 R)
• M22: 21,331,011 km (0.105 R)
• M23: 24,965,192 km (0.094 R)
• M24: 25,152,339 km (0.098 R)
• M25: 29,094,392 km (0.118 R)
• M26: 29,301,735 km (0.083 R)
• M27: 32,307,605 km (0.087 R)
• M28: 36,948,580 km (0.088 R)
• M29: 37,191,676 km (0.09 R)
• M30: 37,927,249 km (0.092 R)
• M31: 38,174,534 km (0.037 R)
• M32: 41,882,617 km (0.088 R)
• M33: 47,667,866 km (0.058 R)
• M34: 48,245,164 km (0.063 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: 337 - 14,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit