🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265

Radius: 11.4

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.48 AU - 0.66 AU

Year: 287 Days

Day: 12.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,976,301 km

• M1: 141,819 km (0.096 R)
• M2: 545,135 km (0.11 R)
• M3: 993,928 km (0.079 R)
• M4: 1,881,343 km (0.111 R)
• M5: 2,628,584 km (0.062 R)
• M6: 3,080,519 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930

Radius: 8.5

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.5 AU - 0.66 AU

Year: 295 Days

Day: 14.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,976,301 km

• M1: 105,766 km (0.112 R)
• M2: 411,245 km (0.028 R)
• M3: 696,079 km (0.112 R)
• M4: 962,214 km (0.102 R)
• M5: 1,726,958 km (0.075 R)
• M6: 2,359,757 km (0.071 R)
• M7: 3,599,923 km (0.119 R)
• M8: 4,003,239 km (0.081 R)
• M9: 4,770,826 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.2

Radius: 13.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.21 AU - 1.81 AU

Year: 1237 Days

Day: 5.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,976,301 km

• M1: 167,250 km (0.094 R)
• M2: 596,148 km (0.105 R)
• M3: 2,702,785 km (0.043 R)
• M4: 3,368,196 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.1

Radius: 12

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.55 AU - 1.61 AU

Year: 1324 Days

Day: 13 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,976,301 km

• M1: 149,299 km (0.093 R)
• M2: 631,752 km (0.119 R)
• M3: 1,292,825 km (0.049 R)
• M4: 2,997,343 km (0.107 R)
• M5: 3,532,455 km (0.106 R)
• M6: 4,864,474 km (0.074 R)
• M7: 5,308,480 km (0.107 R)
• M8: 7,136,417 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.1

Radius: 14.7

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.35 AU - 3.43 AU

Year: 3276 Days

Day: 11.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,976,301 km

• M1: 183,856 km (0.113 R)
• M2: 923,019 km (0.097 R)
• M3: 1,551,180 km (0.107 R)
• M4: 2,576,674 km (0.047 R)
• M5: 3,591,246 km (0.112 R)
• M6: 4,565,727 km (0.061 R)
• M7: 5,507,146 km (0.054 R)
• M8: 7,712,219 km (0.115 R)
• M9: 9,047,978 km (0.118 R)
• M10: 10,888,481 km (0.117 R)
• M11: 12,046,369 km (0.083 R)
• M12: 12,699,662 km (0.092 R)
• M13: 16,805,226 km (0.069 R)
• M14: 20,658,419 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.9

Radius: 7.5

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.72 AU - 6.98 AU

Year: 11955 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,976,301 km

• M1: 105,766 km (0.063 R)
• M2: 347,366 km (0.04 R)
• M3: 843,582 km (0.031 R)
• M4: 1,786,498 km (0.068 R)
• M5: 2,221,528 km (0.072 R)
• M6: 3,433,271 km (0.093 R)
• M7: 4,196,968 km (0.041 R)
• M8: 4,506,935 km (0.112 R)
• M9: 5,864,685 km (0.097 R)
• M10: 6,741,030 km (0.082 R)
• M11: 8,651,843 km (0.107 R)
• M12: 12,341,824 km (0.111 R)
• M13: 15,605,003 km (0.033 R)
• M14: 17,912,849 km (0.032 R)
• M15: 22,529,589 km (0.064 R)
• M16: 24,959,208 km (0.098 R)
• M17: 32,202,288 km (0.066 R)
• M18: 40,452,461 km (0.088 R)
• M19: 42,859,192 km (0.084 R)
• M20: 43,584,891 km (0.109 R)
• M21: 47,645,575 km (0.1 R)
• M22: 54,961,958 km (0.037 R)
• M23: 58,975,221 km (0.046 R)
• M24: 60,234,236 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.8

Radius: 7.2

Gravity: 19.19 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.7 AU - 8.06 AU

Year: 12034 Days

Day: 18.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,976,301 km

• M1: 89,609 km (0.083 R)
• M2: 447,148 km (0.101 R)
• M3: 926,759 km (0.09 R)
• M4: 1,351,018 km (0.088 R)
• M5: 1,712,297 km (0.029 R)
• M6: 2,293,335 km (0.117 R)
• M7: 3,071,543 km (0.109 R)
• M8: 3,297,586 km (0.081 R)
• M9: 4,504,242 km (0.051 R)
• M10: 5,790,036 km (0.088 R)
• M11: 7,800,931 km (0.12 R)
• M12: 9,480,017 km (0.059 R)
• M13: 14,077,309 km (0.101 R)
• M14: 14,917,750 km (0.109 R)
• M15: 20,410,385 km (0.101 R)
• M16: 21,668,803 km (0.109 R)
• M17: 25,446,149 km (0.074 R)
• M18: 27,651,521 km (0.092 R)
• M19: 30,095,052 km (0.104 R)
• M20: 33,654,285 km (0.078 R)
• M21: 34,648,662 km (0.087 R)
• M22: 35,790,692 km (0.119 R)
• M23: 37,352,195 km (0.108 R)
• M24: 38,552,718 km (0.059 R)
• M25: 38,822,891 km (0.069 R)
• M26: 42,165,057 km (0.055 R)
• M27: 43,612,417 km (0.111 R)
• M28: 45,845,165 km (0.063 R)
• M29: 46,453,280 km (0.111 R)
• M30: 46,912,845 km (0.104 R)
• M31: 51,186,108 km (0.044 R)
• M32: 51,676,340 km (0.095 R)
• M33: 52,169,714 km (0.049 R)
• M34: 52,832,582 km (0.095 R)
• M35: 55,539,705 km (0.044 R)
• M36: 56,057,314 km (0.101 R)
• M37: 60,679,589 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337

Radius: 5

Gravity: 13.48 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 8.04 AU - 11.88 AU

Year: 20961 Days

Day: 19.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,976,301 km

• M1: 62,233 km (0.096 R)
• M2: 232,026 km (0.102 R)
• M3: 587,770 km (0.063 R)
• M4: 835,355 km (0.102 R)
• M5: 1,378,096 km (0.097 R)
• M6: 1,556,566 km (0.072 R)
• M7: 2,090,929 km (0.099 R)
• M8: 2,808,850 km (0.097 R)
• M9: 3,023,672 km (0.073 R)
• M10: 5,019,158 km (0.092 R)
• M11: 6,327,541 km (0.118 R)
• M12: 6,824,206 km (0.113 R)
• M13: 7,125,646 km (0.08 R)
• M14: 8,226,985 km (0.093 R)
• M15: 8,818,196 km (0.076 R)
• M16: 9,437,232 km (0.116 R)
• M17: 11,832,593 km (0.108 R)
• M18: 12,394,034 km (0.113 R)
• M19: 14,393,858 km (0.085 R)
• M20: 14,746,760 km (0.116 R)
• M21: 25,973,781 km (0.095 R)
• M22: 30,472,488 km (0.088 R)
• M23: 31,406,876 km (0.089 R)
• M24: 32,120,159 km (0.072 R)
• M25: 35,208,607 km (0.076 R)
• M26: 36,497,393 km (0.115 R)
• M27: 37,418,167 km (0.115 R)
• M28: 44,152,615 km (0.068 R)
• M29: 47,647,819 km (0.115 R)
• M30: 48,747,214 km (0.113 R)
• M31: 58,335,241 km (0.12 R)
• M32: 60,137,446 km (0.084 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: 387 - 15,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit