🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.51 AU - 0.79 AU

Year: 232 Days

Day: 37.3 Hours

Environment

Temp: 13 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.59 AU - 0.95 AU

Year: 299 Days

Day: 27.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345

Radius: 10.6

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.17 AU - 2.73 AU

Year: 1699 Days

Day: 7.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,478,883 km

• M1: 131,796 km (0.032 R)
• M2: 486,492 km (0.046 R)
• M3: 817,852 km (0.106 R)
• M4: 1,317,209 km (0.097 R)
• M5: 1,665,922 km (0.038 R)
• M6: 2,642,347 km (0.103 R)
• M7: 3,641,362 km (0.118 R)
• M8: 4,723,852 km (0.11 R)
• M9: 5,248,791 km (0.111 R)
• M10: 6,142,339 km (0.061 R)
• M11: 7,184,139 km (0.108 R)
• M12: 7,590,895 km (0.086 R)
• M13: 9,137,288 km (0.116 R)
• M14: 10,460,033 km (0.114 R)
• M15: 10,983,326 km (0.105 R)
• M16: 11,489,864 km (0.085 R)

Asteroid Belt

Center: 2.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626

Radius: 12.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.53 AU - 3.59 AU

Year: 2371 Days

Day: 8.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,478,883 km

• M1: 155,432 km (0.107 R)
• M2: 849,716 km (0.108 R)
• M3: 1,252,284 km (0.099 R)
• M4: 2,389,976 km (0.077 R)
• M5: 3,142,453 km (0.091 R)
• M6: 3,566,264 km (0.105 R)
• M7: 4,105,714 km (0.119 R)
• M8: 5,051,172 km (0.037 R)
• M9: 5,587,630 km (0.096 R)
• M10: 6,239,877 km (0.074 R)
• M11: 7,429,629 km (0.039 R)
• M12: 8,409,196 km (0.07 R)
• M13: 8,864,123 km (0.097 R)
• M14: 10,001,665 km (0.101 R)
• M15: 10,774,787 km (0.118 R)
• M16: 12,151,386 km (0.108 R)
• M17: 13,509,735 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.7

Radius: 14.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.11 AU - 3.95 AU

Year: 2938 Days

Day: 11.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,478,883 km

• M1: 212,130 km (0.047 R)
• M2: 757,264 km (0.054 R)
• M3: 1,307,037 km (0.102 R)
• M4: 1,976,188 km (0.106 R)
• M5: 2,559,320 km (0.074 R)
• M6: 3,623,410 km (0.109 R)
• M7: 5,012,725 km (0.071 R)
• M8: 6,762,572 km (0.078 R)
• M9: 8,270,817 km (0.106 R)
• M10: 9,032,869 km (0.092 R)
• M11: 10,031,884 km (0.117 R)
• M12: 12,293,504 km (0.093 R)
• M13: 12,829,065 km (0.094 R)
• M14: 13,287,133 km (0.039 R)
• M15: 14,091,222 km (0.088 R)
• M16: 14,678,094 km (0.097 R)
• M17: 15,692,667 km (0.093 R)
• M18: 19,494,099 km (0.091 R)
• M19: 20,470,673 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.2

Radius: 8.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.89 AU - 7.09 AU

Year: 6493 Days

Day: 13.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,478,883 km

• M1: 102,026 km (0.067 R)
• M2: 441,314 km (0.071 R)
• M3: 697,126 km (0.076 R)
• M4: 1,181,225 km (0.114 R)
• M5: 2,034,381 km (0.063 R)
• M6: 3,744,734 km (0.09 R)
• M7: 4,336,094 km (0.108 R)
• M8: 6,014,882 km (0.032 R)
• M9: 6,578,118 km (0.04 R)
• M10: 7,471,666 km (0.089 R)
• M11: 7,878,572 km (0.097 R)
• M12: 11,549,853 km (0.096 R)
• M13: 15,616,372 km (0.062 R)
• M14: 17,908,511 km (0.063 R)
• M15: 19,323,407 km (0.083 R)
• M16: 20,745,036 km (0.113 R)
• M17: 23,722,782 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.4

Radius: 13.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.62 AU - 8.24 AU

Year: 8971 Days

Day: 9.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 57.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,478,883 km

• M1: 163,361 km (0.086 R)
• M2: 607,966 km (0.053 R)
• M3: 1,705,865 km (0.046 R)
• M4: 2,754,994 km (0.076 R)
• M5: 3,481,442 km (0.109 R)
• M6: 6,783,665 km (0.07 R)
• M7: 7,661,805 km (0.114 R)
• M8: 9,024,342 km (0.119 R)
• M9: 10,500,574 km (0.098 R)
• M10: 13,927,562 km (0.05 R)
• M11: 17,088,565 km (0.081 R)
• M12: 20,700,007 km (0.098 R)
• M13: 21,506,190 km (0.118 R)
• M14: 22,263,454 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.9

Radius: 3

Gravity: 83.54 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.75 AU - 12.33 AU

Year: 14091 Days

Day: 24.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,478,883 km

• M1: 37,399 km (0.102 R)
• M2: 173,833 km (0.109 R)
• M3: 316,250 km (0.107 R)
• M4: 411,693 km (0.073 R)
• M5: 572,361 km (0.111 R)
• M6: 744,698 km (0.1 R)
• M7: 996,172 km (0.073 R)
• M8: 1,505,553 km (0.098 R)
• M9: 2,130,274 km (0.111 R)
• M10: 2,543,613 km (0.062 R)
• M11: 2,863,154 km (0.09 R)
• M12: 5,009,883 km (0.118 R)
• M13: 5,327,928 km (0.079 R)
• M14: 5,696,986 km (0.108 R)
• M15: 10,091,424 km (0.07 R)
• M16: 10,258,375 km (0.082 R)
• M17: 11,003,223 km (0.048 R)
• M18: 20,887,453 km (0.104 R)
• M19: 21,340,585 km (0.079 R)
• M20: 21,986,100 km (0.074 R)
• M21: 28,171,673 km (0.071 R)
• M22: 28,613,585 km (0.095 R)
• M23: 33,659,521 km (0.079 R)
• M24: 36,195,953 km (0.103 R)
• M25: 36,849,396 km (0.096 R)
• M26: 38,314,707 km (0.109 R)
• M27: 42,074,850 km (0.04 R)
• M28: 42,942,518 km (0.111 R)
• M29: 45,921,011 km (0.119 R)
• M30: 46,532,866 km (0.086 R)
• M31: 51,788,688 km (0.111 R)
• M32: 52,451,557 km (0.047 R)
• M33: 52,618,059 km (0.075 R)
• M34: 57,603,408 km (0.077 R)
• M35: 59,032,068 km (0.097 R)
• M36: 59,755,224 km (0.073 R)
• M37: 61,403,792 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.5

Radius: 6.6

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 13.8 AU - 14.3 AU

Year: 23327 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,478,883 km

• M1: 83,476 km (0.112 R)
• M2: 475,422 km (0.098 R)
• M3: 2,144,186 km (0.088 R)
• M4: 3,799,786 km (0.053 R)
• M5: 4,238,108 km (0.068 R)
• M6: 7,751,114 km (0.085 R)
• M7: 9,422,871 km (0.092 R)
• M8: 12,029,015 km (0.12 R)
• M9: 16,659,967 km (0.065 R)
• M10: 18,087,430 km (0.115 R)
• M11: 21,861,934 km (0.049 R)
• M12: 23,673,265 km (0.049 R)
• M13: 27,706,274 km (0.115 R)
• M14: 52,878,060 km (0.093 R)
• M15: 59,310,021 km (0.059 R)
• M16: 60,269,392 km (0.119 R)
• M17: 72,383,379 km (0.1 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: 173 - 18,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit