🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.55 AU - 0.75 AU

Year: 338 Days

Day: 44.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.3

Radius: 10.7

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.84 AU - 0.86 AU

Year: 506 Days

Day: 7.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,384,446 km

• M1: 133,142 km (0.108 R)
• M2: 590,912 km (0.068 R)
• M3: 1,019,210 km (0.093 R)
• M4: 1,465,760 km (0.03 R)
• M5: 1,878,500 km (0.108 R)
• M6: 2,488,561 km (0.055 R)
• M7: 2,840,864 km (0.065 R)
• M8: 3,438,806 km (0.04 R)
• M9: 4,177,072 km (0.057 R)
• M10: 4,553,161 km (0.08 R)
• M11: 4,951,839 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.9

Radius: 12.4

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.94 AU - 2.14 AU

Year: 1881 Days

Day: 12 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,384,446 km

• M1: 154,235 km (0.066 R)
• M2: 624,870 km (0.105 R)
• M3: 1,031,178 km (0.114 R)
• M4: 1,737,729 km (0.116 R)
• M5: 2,761,577 km (0.116 R)
• M6: 3,181,797 km (0.083 R)
• M7: 3,936,967 km (0.104 R)
• M8: 4,376,486 km (0.107 R)
• M9: 4,869,261 km (0.111 R)
• M10: 6,253,490 km (0.117 R)
• M11: 6,726,369 km (0.088 R)
• M12: 7,576,833 km (0.047 R)
• M13: 8,290,116 km (0.029 R)
• M14: 8,678,322 km (0.088 R)
• M15: 9,751,836 km (0.048 R)
• M16: 10,423,680 km (0.112 R)
• M17: 12,200,155 km (0.091 R)
• M18: 14,086,285 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.6

Radius: 11.2

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.03 AU - 2.81 AU

Year: 2431 Days

Day: 11.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,384,446 km

• M1: 139,575 km (0.068 R)
• M2: 513,270 km (0.105 R)
• M3: 913,445 km (0.11 R)
• M4: 1,327,232 km (0.079 R)
• M5: 1,998,777 km (0.069 R)
• M6: 2,477,191 km (0.059 R)
• M7: 3,445,538 km (0.061 R)
• M8: 3,877,876 km (0.03 R)
• M9: 4,367,510 km (0.112 R)
• M10: 6,009,646 km (0.101 R)
• M11: 6,926,232 km (0.116 R)
• M12: 7,403,000 km (0.12 R)
• M13: 7,933,474 km (0.079 R)
• M14: 8,897,034 km (0.117 R)
• M15: 10,390,171 km (0.065 R)
• M16: 11,136,215 km (0.092 R)
• M17: 13,045,383 km (0.105 R)
• M18: 14,054,122 km (0.101 R)
• M19: 14,625,885 km (0.112 R)
• M20: 15,462,436 km (0.05 R)
• M21: 16,020,586 km (0.1 R)
• M22: 19,304,408 km (0.1 R)
• M23: 20,011,258 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 13.5

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.18 AU - 5.56 AU

Year: 6939 Days

Day: 8 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,384,446 km

• M1: 167,849 km (0.102 R)
• M2: 697,724 km (0.056 R)
• M3: 1,668,615 km (0.089 R)
• M4: 2,100,653 km (0.068 R)
• M5: 2,700,840 km (0.086 R)
• M6: 3,156,066 km (0.075 R)
• M7: 3,663,053 km (0.038 R)
• M8: 4,539,398 km (0.068 R)
• M9: 5,247,744 km (0.049 R)
• M10: 7,476,453 km (0.091 R)
• M11: 8,800,992 km (0.069 R)
• M12: 10,901,346 km (0.059 R)
• M13: 14,650,718 km (0.116 R)
• M14: 17,312,513 km (0.092 R)
• M15: 19,328,942 km (0.117 R)
• M16: 20,732,320 km (0.113 R)
• M17: 22,440,877 km (0.102 R)
• M18: 25,960,317 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.6

Radius: 12.4

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.51 AU - 6.23 AU

Year: 9183 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,384,446 km

• M1: 154,235 km (0.076 R)
• M2: 839,842 km (0.078 R)
• M3: 1,352,664 km (0.1 R)
• M4: 2,388,629 km (0.119 R)
• M5: 2,775,639 km (0.087 R)
• M6: 3,162,200 km (0.081 R)
• M7: 3,750,119 km (0.07 R)
• M8: 5,481,715 km (0.104 R)
• M9: 9,199,521 km (0.082 R)
• M10: 9,604,482 km (0.046 R)
• M11: 11,758,841 km (0.115 R)
• M12: 12,893,392 km (0.108 R)
• M13: 14,040,359 km (0.043 R)
• M14: 16,669,092 km (0.071 R)
• M15: 17,820,846 km (0.083 R)
• M16: 18,593,968 km (0.118 R)
• M17: 24,388,193 km (0.115 R)
• M18: 26,590,124 km (0.077 R)
• M19: 28,539,534 km (0.084 R)
• M20: 29,403,461 km (0.07 R)
• M21: 33,139,668 km (0.043 R)
• M22: 34,632,206 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.4

Radius: 3.3

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.78 AU - 7.6 AU

Year: 9944 Days

Day: 24.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 162.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,384,446 km

• M1: 42,336 km (0.112 R)
• M2: 167,849 km (0.078 R)
• M3: 441,763 km (0.039 R)
• M4: 708,196 km (0.093 R)
• M5: 1,014,872 km (0.098 R)
• M6: 1,538,614 km (0.05 R)
• M7: 2,035,578 km (0.112 R)
• M8: 2,141,194 km (0.08 R)
• M9: 4,179,914 km (0.116 R)
• M10: 4,776,510 km (0.104 R)
• M11: 4,940,170 km (0.091 R)
• M12: 7,266,118 km (0.101 R)
• M13: 8,290,714 km (0.056 R)
• M14: 10,270,343 km (0.073 R)
• M15: 13,679,528 km (0.049 R)
• M16: 13,914,696 km (0.108 R)
• M17: 14,393,110 km (0.047 R)
• M18: 14,832,928 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.7

Radius: 5.8

Gravity: 16.34 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.99 AU - 10.53 AU

Year: 18194 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,384,446 km

• M1: 73,602 km (0.118 R)
• M2: 571,464 km (0.061 R)
• M3: 977,472 km (0.093 R)
• M4: 1,451,249 km (0.12 R)
• M5: 2,795,087 km (0.103 R)
• M6: 3,376,873 km (0.041 R)
• M7: 3,915,575 km (0.092 R)
• M8: 4,509,927 km (0.096 R)
• M9: 4,709,640 km (0.036 R)
• M10: 6,034,629 km (0.096 R)
• M11: 7,000,881 km (0.115 R)
• M12: 8,920,371 km (0.092 R)
• M13: 9,833,218 km (0.095 R)
• M14: 10,806,651 km (0.064 R)
• M15: 14,976,243 km (0.041 R)
• M16: 17,619,039 km (0.116 R)
• M17: 19,310,542 km (0.091 R)
• M18: 19,749,761 km (0.084 R)
• M19: 21,107,362 km (0.061 R)
• M20: 21,667,456 km (0.103 R)
• M21: 24,514,902 km (0.034 R)
• M22: 25,133,789 km (0.071 R)
• M23: 26,188,154 km (0.057 R)
• M24: 26,726,258 km (0.118 R)
• M25: 27,161,887 km (0.109 R)
• M26: 27,381,646 km (0.092 R)
• M27: 27,602,453 km (0.106 R)
• M28: 29,066,866 km (0.111 R)
• M29: 31,059,061 km (0.072 R)
• M30: 32,149,779 km (0.09 R)
• M31: 35,706,169 km (0.071 R)
• M32: 36,634,574 km (0.119 R)
• M33: 37,578,985 km (0.111 R)
• M34: 38,401,325 km (0.118 R)
• M35: 40,224,025 km (0.109 R)
• M36: 42,841,689 km (0.108 R)
• M37: 44,496,241 km (0.049 R)
• M38: 51,372,657 km (0.102 R)
• M39: 55,502,456 km (0.107 R)
• M40: 66,384,504 km (0.056 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 11,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit