🌌 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: 636.5

Radius: 14

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.55 AU - 0.89 AU

Year: 414 Days

Day: 6.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,213,780 km

• M1: 174,132 km (0.051 R)
• M2: 645,964 km (0.118 R)
• M3: 1,352,215 km (0.097 R)
• M4: 1,813,575 km (0.068 R)
• M5: 2,391,023 km (0.106 R)
• M6: 2,839,667 km (0.09 R)
• M7: 3,356,228 km (0.1 R)
• M8: 3,872,341 km (0.033 R)
• M9: 4,753,921 km (0.114 R)
• M10: 5,471,692 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.5

Radius: 13.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.31 AU - 1.73 AU

Year: 1271 Days

Day: 11.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,213,780 km

• M1: 167,400 km (0.078 R)
• M2: 585,676 km (0.104 R)
• M3: 1,041,800 km (0.088 R)
• M4: 1,791,435 km (0.096 R)
• M5: 2,262,518 km (0.1 R)
• M6: 3,167,585 km (0.116 R)
• M7: 3,975,414 km (0.093 R)
• M8: 4,403,114 km (0.083 R)
• M9: 6,477,887 km (0.12 R)
• M10: 7,605,705 km (0.072 R)
• M11: 8,295,501 km (0.119 R)
• M12: 9,800,456 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.5

Radius: 14.8

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.58 AU - 2.26 AU

Year: 1804 Days

Day: 5.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,213,780 km

• M1: 188,793 km (0.092 R)
• M2: 716,424 km (0.049 R)
• M3: 1,183,918 km (0.093 R)
• M4: 2,494,844 km (0.106 R)
• M5: 3,235,652 km (0.108 R)
• M6: 4,026,277 km (0.091 R)
• M7: 4,836,649 km (0.074 R)
• M8: 5,713,891 km (0.113 R)
• M9: 6,455,747 km (0.078 R)
• M10: 8,438,367 km (0.116 R)
• M11: 8,938,323 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.9

Radius: 7.9

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.82 AU - 7.64 AU

Year: 10547 Days

Day: 17.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,213,780 km

• M1: 98,286 km (0.095 R)
• M2: 604,824 km (0.097 R)
• M3: 885,171 km (0.083 R)
• M4: 1,278,314 km (0.029 R)
• M5: 1,616,854 km (0.091 R)
• M6: 2,173,208 km (0.099 R)
• M7: 2,516,386 km (0.115 R)
• M8: 3,007,216 km (0.11 R)
• M9: 3,263,627 km (0.112 R)
• M10: 3,560,280 km (0.083 R)
• M11: 4,265,185 km (0.071 R)
• M12: 4,931,494 km (0.052 R)
• M13: 5,595,858 km (0.103 R)
• M14: 5,985,860 km (0.09 R)
• M15: 6,318,266 km (0.1 R)
• M16: 7,559,031 km (0.066 R)
• M17: 7,816,638 km (0.113 R)
• M18: 9,050,073 km (0.038 R)
• M19: 9,389,959 km (0.034 R)
• M20: 10,567,294 km (0.072 R)
• M21: 14,488,255 km (0.078 R)
• M22: 16,267,871 km (0.106 R)
• M23: 16,770,968 km (0.086 R)
• M24: 17,432,939 km (0.079 R)
• M25: 18,112,113 km (0.075 R)
• M26: 19,283,166 km (0.101 R)
• M27: 29,881,127 km (0.095 R)
• M28: 34,129,857 km (0.115 R)
• M29: 36,397,910 km (0.109 R)
• M30: 40,050,492 km (0.082 R)
• M31: 44,217,391 km (0.096 R)
• M32: 45,196,808 km (0.098 R)
• M33: 46,477,066 km (0.061 R)
• M34: 49,558,184 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630

Radius: 7.2

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.8 AU - 7.96 AU

Year: 13598 Days

Day: 21.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,213,780 km

• M1: 117,734 km (0.113 R)
• M2: 350,807 km (0.096 R)
• M3: 633,846 km (0.11 R)
• M4: 859,589 km (0.079 R)
• M5: 1,105,229 km (0.091 R)
• M6: 1,370,616 km (0.098 R)
• M7: 1,892,114 km (0.079 R)
• M8: 3,349,496 km (0.076 R)
• M9: 3,636,874 km (0.102 R)
• M10: 3,884,309 km (0.101 R)
• M11: 4,172,434 km (0.074 R)
• M12: 4,694,980 km (0.034 R)
• M13: 4,955,579 km (0.109 R)
• M14: 5,191,645 km (0.085 R)
• M15: 5,833,120 km (0.083 R)
• M16: 9,802,400 km (0.083 R)
• M17: 13,902,429 km (0.05 R)
• M18: 16,068,756 km (0.115 R)
• M19: 17,193,582 km (0.076 R)
• M20: 19,349,138 km (0.116 R)
• M21: 21,057,695 km (0.116 R)
• M22: 27,934,410 km (0.119 R)
• M23: 30,786,195 km (0.078 R)
• M24: 33,107,954 km (0.113 R)
• M25: 33,706,046 km (0.099 R)
• M26: 34,800,803 km (0.114 R)
• M27: 35,543,706 km (0.115 R)
• M28: 38,096,444 km (0.11 R)
• M29: 38,489,737 km (0.109 R)
• M30: 38,885,573 km (0.098 R)
• M31: 45,008,015 km (0.038 R)
• M32: 45,742,092 km (0.104 R)
• M33: 51,263,750 km (0.049 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 12,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit