🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.83 AU - 1.09 AU

Year: 334 Days

Day: 36.5 Hours

Environment

Temp: 145 °C

Axial Tilt: 44.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 115,962,805 km

• M1: 52,359 km (0.118 R)
• M2: 209,736 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2 AU - 2.38 AU

Year: 1150 Days

Day: 16.2 Hours

Environment

Temp: -70 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 8.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.37 AU - 6.79 AU

Year: 5988 Days

Day: 9.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 115,962,805 km

• M1: 105,766 km (0.116 R)
• M2: 375,191 km (0.029 R)
• M3: 827,426 km (0.087 R)
• M4: 1,174,493 km (0.112 R)
• M5: 1,561,054 km (0.109 R)
• M6: 1,873,115 km (0.1 R)
• M7: 2,824,109 km (0.104 R)
• M8: 3,746,978 km (0.102 R)
• M9: 4,982,656 km (0.102 R)
• M10: 6,775,437 km (0.095 R)
• M11: 7,316,084 km (0.089 R)
• M12: 10,254,336 km (0.11 R)
• M13: 10,585,695 km (0.061 R)
• M14: 11,983,388 km (0.027 R)
• M15: 13,401,875 km (0.076 R)
• M16: 16,795,802 km (0.05 R)
• M17: 17,608,118 km (0.06 R)
• M18: 21,997,619 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.6

Radius: 11.7

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.37 AU - 8.49 AU

Year: 6472 Days

Day: 13.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 115,962,805 km

• M1: 145,559 km (0.052 R)
• M2: 654,939 km (0.084 R)
• M3: 1,184,516 km (0.083 R)
• M4: 2,438,744 km (0.063 R)
• M5: 3,354,882 km (0.066 R)
• M6: 3,746,978 km (0.072 R)
• M7: 5,697,585 km (0.112 R)
• M8: 6,293,134 km (0.103 R)
• M9: 6,713,055 km (0.088 R)
• M10: 8,005,281 km (0.079 R)
• M11: 10,533,934 km (0.064 R)
• M12: 11,483,881 km (0.075 R)
• M13: 14,738,083 km (0.096 R)
• M14: 17,652,998 km (0.109 R)
• M15: 19,064,304 km (0.042 R)
• M16: 19,575,629 km (0.027 R)
• M17: 20,397,520 km (0.033 R)
• M18: 21,320,240 km (0.083 R)
• M19: 23,166,427 km (0.111 R)
• M20: 24,086,005 km (0.103 R)
• M21: 26,087,325 km (0.114 R)
• M22: 27,636,112 km (0.085 R)
• M23: 38,354,650 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.6

Radius: 12.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.4 AU - 8.56 AU

Year: 6542 Days

Day: 5.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 115,962,805 km

• M1: 223,649 km (0.038 R)
• M2: 694,882 km (0.114 R)
• M3: 1,140,235 km (0.105 R)
• M4: 2,452,059 km (0.107 R)
• M5: 2,976,549 km (0.099 R)
• M6: 3,676,218 km (0.089 R)
• M7: 5,067,179 km (0.091 R)
• M8: 7,227,522 km (0.088 R)
• M9: 8,102,819 km (0.112 R)
• M10: 8,675,929 km (0.054 R)
• M11: 11,069,794 km (0.105 R)
• M12: 12,419,017 km (0.056 R)
• M13: 15,387,787 km (0.073 R)
• M14: 15,878,916 km (0.113 R)
• M15: 17,065,826 km (0.114 R)
• M16: 18,371,815 km (0.062 R)
• M17: 18,986,962 km (0.108 R)
• M18: 21,722,209 km (0.101 R)
• M19: 24,194,164 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.5

Radius: 9.8

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.69 AU - 10.11 AU

Year: 11051 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 115,962,805 km

• M1: 123,717 km (0.085 R)
• M2: 556,205 km (0.093 R)
• M3: 1,263,354 km (0.079 R)
• M4: 1,884,185 km (0.098 R)
• M5: 3,077,378 km (0.072 R)
• M6: 3,891,041 km (0.105 R)
• M7: 4,652,494 km (0.049 R)
• M8: 5,303,544 km (0.119 R)
• M9: 5,615,754 km (0.08 R)
• M10: 6,013,984 km (0.07 R)
• M11: 7,667,639 km (0.028 R)
• M12: 8,910,199 km (0.06 R)
• M13: 9,253,227 km (0.063 R)
• M14: 10,389,123 km (0.104 R)
• M15: 11,789,808 km (0.109 R)
• M16: 13,249,285 km (0.108 R)
• M17: 14,286,896 km (0.105 R)
• M18: 16,818,391 km (0.078 R)
• M19: 17,419,176 km (0.116 R)
• M20: 19,307,400 km (0.083 R)
• M21: 24,331,944 km (0.109 R)
• M22: 26,083,735 km (0.07 R)
• M23: 28,231,961 km (0.074 R)
• M24: 28,866,854 km (0.115 R)
• M25: 31,388,775 km (0.079 R)
• M26: 37,498,352 km (0.081 R)
• M27: 38,136,836 km (0.12 R)
• M28: 38,523,396 km (0.118 R)
• M29: 40,362,254 km (0.118 R)
• M30: 40,763,774 km (0.087 R)
• M31: 42,258,706 km (0.031 R)
• M32: 44,213,950 km (0.051 R)
• M33: 50,906,510 km (0.114 R)
• M34: 54,086,213 km (0.062 R)
• M35: 54,411,289 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.3

Radius: 11.1

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 8.46 AU - 13.92 AU

Year: 13280 Days

Day: 13.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 115,962,805 km

• M1: 138,079 km (0.059 R)
• M2: 514,766 km (0.117 R)
• M3: 1,051,224 km (0.12 R)
• M4: 1,686,866 km (0.114 R)
• M5: 2,506,961 km (0.089 R)
• M6: 3,265,722 km (0.08 R)
• M7: 3,878,175 km (0.081 R)
• M8: 6,401,143 km (0.072 R)
• M9: 10,667,824 km (0.064 R)
• M10: 13,475,178 km (0.078 R)
• M11: 13,842,291 km (0.066 R)
• M12: 17,381,328 km (0.083 R)
• M13: 18,037,015 km (0.053 R)
• M14: 20,103,261 km (0.074 R)
• M15: 24,248,319 km (0.101 R)
• M16: 31,644,438 km (0.102 R)
• M17: 34,981,816 km (0.104 R)
• M18: 36,854,333 km (0.072 R)
• M19: 43,003,703 km (0.036 R)
• M20: 44,068,690 km (0.064 R)
• M21: 44,878,912 km (0.107 R)
• M22: 46,389,851 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.3

Radius: 7.6

Gravity: 16.5 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 15.43 AU - 24.71 AU

Year: 31898 Days

Day: 15.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 115,962,805 km

• M1: 103,073 km (0.093 R)
• M2: 759,060 km (0.076 R)
• M3: 1,656,497 km (0.069 R)
• M4: 2,833,683 km (0.119 R)
• M5: 3,160,853 km (0.09 R)
• M6: 3,891,340 km (0.057 R)
• M7: 5,963,570 km (0.106 R)
• M8: 8,080,230 km (0.105 R)
• M9: 8,864,272 km (0.094 R)
• M10: 9,178,877 km (0.1 R)
• M11: 14,062,948 km (0.077 R)
• M12: 27,442,832 km (0.072 R)
• M13: 32,654,822 km (0.091 R)
• M14: 42,625,370 km (0.1 R)
• M15: 70,252,207 km (0.081 R)
• M16: 79,865,815 km (0.104 R)
• M17: 82,606,897 km (0.117 R)
• M18: 85,126,873 km (0.119 R)
• M19: 88,565,979 km (0.112 R)
• M20: 96,640,374 km (0.072 R)
• M21: 113,546,579 km (0.116 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 11,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit