🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.56 AU - 0.7 AU

Year: 175 Days

Day: 31.5 Hours

Environment

Temp: 245 °C

Axial Tilt: 12.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,827,217 km

• M1: 30,817 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.63 AU - 3.41 AU

Year: 1836 Days

Day: 32.5 Hours

Environment

Temp: -97 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.8

Radius: 14.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.83 AU - 6.83 AU

Year: 4925 Days

Day: 12.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,827,217 km

• M1: 179,069 km (0.071 R)
• M2: 713,432 km (0.11 R)
• M3: 1,695,243 km (0.083 R)
• M4: 2,416,454 km (0.118 R)
• M5: 3,676,667 km (0.102 R)
• M6: 4,304,978 km (0.054 R)
• M7: 7,280,330 km (0.093 R)
• M8: 8,666,953 km (0.112 R)
• M9: 10,628,480 km (0.105 R)
• M10: 11,375,721 km (0.096 R)
• M11: 12,308,314 km (0.093 R)
• M12: 14,494,238 km (0.049 R)
• M13: 15,122,250 km (0.048 R)
• M14: 15,649,732 km (0.1 R)
• M15: 17,496,967 km (0.095 R)
• M16: 19,970,568 km (0.084 R)
• M17: 20,463,493 km (0.11 R)
• M18: 26,437,085 km (0.09 R)
• M19: 26,946,466 km (0.083 R)
• M20: 29,049,513 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.8

Radius: 13.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.84 AU - 9.98 AU

Year: 8532 Days

Day: 9.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,827,217 km

• M1: 167,550 km (0.091 R)
• M2: 620,532 km (0.109 R)
• M3: 1,108,221 km (0.088 R)
• M4: 1,698,385 km (0.109 R)
• M5: 3,168,483 km (0.048 R)
• M6: 4,278,798 km (0.046 R)
• M7: 5,483,660 km (0.117 R)
• M8: 6,262,765 km (0.096 R)
• M9: 8,800,244 km (0.085 R)
• M10: 10,504,912 km (0.106 R)
• M11: 11,509,312 km (0.098 R)
• M12: 12,060,431 km (0.104 R)
• M13: 15,026,358 km (0.091 R)
• M14: 16,238,699 km (0.089 R)
• M15: 18,789,343 km (0.069 R)
• M16: 21,147,305 km (0.074 R)
• M17: 22,746,805 km (0.069 R)
• M18: 24,920,163 km (0.116 R)
• M19: 26,014,621 km (0.073 R)
• M20: 29,583,278 km (0.028 R)
• M21: 33,974,275 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.6

Radius: 10.7

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.07 AU - 12.11 AU

Year: 11213 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,827,217 km

• M1: 133,142 km (0.112 R)
• M2: 467,493 km (0.106 R)
• M3: 1,161,179 km (0.109 R)
• M4: 1,617,003 km (0.069 R)
• M5: 2,436,800 km (0.038 R)
• M6: 3,290,555 km (0.099 R)
• M7: 5,758,321 km (0.116 R)
• M8: 7,517,293 km (0.097 R)
• M9: 7,908,192 km (0.065 R)
• M10: 9,163,019 km (0.089 R)
• M11: 9,915,048 km (0.065 R)
• M12: 11,946,288 km (0.052 R)
• M13: 12,479,604 km (0.032 R)
• M14: 23,137,405 km (0.078 R)
• M15: 26,175,738 km (0.109 R)
• M16: 27,177,146 km (0.111 R)
• M17: 27,687,424 km (0.077 R)
• M18: 30,663,824 km (0.085 R)
• M19: 32,002,425 km (0.049 R)
• M20: 35,035,672 km (0.025 R)
• M21: 35,883,892 km (0.116 R)
• M22: 36,870,190 km (0.043 R)
• M23: 37,244,634 km (0.091 R)
• M24: 41,667,495 km (0.09 R)
• M25: 46,573,856 km (0.113 R)
• M26: 49,392,280 km (0.107 R)
• M27: 51,074,807 km (0.089 R)
• M28: 52,322,304 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.8

Radius: 9.1

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 8.97 AU - 14.73 AU

Year: 14271 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,827,217 km

• M1: 121,174 km (0.115 R)
• M2: 513,420 km (0.091 R)
• M3: 863,928 km (0.095 R)
• M4: 1,147,266 km (0.116 R)
• M5: 1,635,703 km (0.1 R)
• M6: 2,382,944 km (0.1 R)
• M7: 3,314,790 km (0.115 R)
• M8: 3,731,868 km (0.086 R)
• M9: 5,053,416 km (0.119 R)
• M10: 5,531,082 km (0.117 R)
• M11: 6,283,410 km (0.076 R)
• M12: 7,421,251 km (0.093 R)
• M13: 8,335,743 km (0.096 R)
• M14: 10,329,434 km (0.102 R)
• M15: 11,907,991 km (0.086 R)
• M16: 14,422,880 km (0.117 R)
• M17: 14,714,297 km (0.111 R)
• M18: 15,997,547 km (0.063 R)
• M19: 18,958,538 km (0.102 R)
• M20: 21,595,201 km (0.049 R)
• M21: 25,513,468 km (0.067 R)
• M22: 27,138,849 km (0.115 R)
• M23: 30,594,859 km (0.084 R)
• M24: 30,955,839 km (0.108 R)
• M25: 31,686,325 km (0.073 R)
• M26: 36,312,340 km (0.063 R)
• M27: 38,366,169 km (0.081 R)
• M28: 39,634,909 km (0.091 R)
• M29: 45,301,227 km (0.065 R)
• M30: 53,374,426 km (0.073 R)
• M31: 65,693,511 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.9

Radius: 7.1

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 12.24 AU - 15.18 AU

Year: 17760 Days

Day: 16.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,827,217 km

• M1: 104,719 km (0.118 R)
• M2: 609,462 km (0.091 R)
• M3: 842,535 km (0.117 R)
• M4: 1,369,419 km (0.067 R)
• M5: 2,116,361 km (0.069 R)
• M6: 2,755,892 km (0.116 R)
• M7: 3,334,237 km (0.094 R)
• M8: 5,854,213 km (0.068 R)
• M9: 12,967,443 km (0.118 R)
• M10: 16,538,643 km (0.113 R)
• M11: 19,253,096 km (0.108 R)
• M12: 23,379,006 km (0.071 R)
• M13: 26,056,359 km (0.085 R)
• M14: 32,247,467 km (0.092 R)
• M15: 37,749,377 km (0.098 R)
• M16: 45,020,282 km (0.108 R)
• M17: 47,432,249 km (0.112 R)
• M18: 56,551,585 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.9

Radius: 3.2

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 14.12 AU - 15.2 AU

Year: 19637 Days

Day: 23.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,827,217 km

• M1: 39,793 km (0.059 R)
• M2: 185,053 km (0.073 R)
• M3: 639,381 km (0.055 R)
• M4: 970,591 km (0.062 R)
• M5: 1,225,057 km (0.111 R)
• M6: 1,603,540 km (0.06 R)
• M7: 1,958,685 km (0.056 R)
• M8: 6,952,561 km (0.09 R)
• M9: 7,369,490 km (0.097 R)
• M10: 7,722,840 km (0.065 R)
• M11: 10,916,007 km (0.082 R)
• M12: 13,512,128 km (0.103 R)
• M13: 18,062,896 km (0.085 R)
• M14: 20,950,434 km (0.082 R)
• M15: 34,803,047 km (0.1 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 19,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit