🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.41 AU - 0.67 AU

Year: 180 Days

Day: 30.2 Hours

Environment

Temp: 23 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.93 AU - 2.49 AU

Year: 1488 Days

Day: 38.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.3

Radius: 14.2

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.72 AU - 2.86 AU

Year: 1570 Days

Day: 12.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 51.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,950,631 km

• M1: 177,273 km (0.077 R)
• M2: 782,995 km (0.068 R)
• M3: 1,359,246 km (0.073 R)
• M4: 2,136,108 km (0.096 R)
• M5: 2,984,328 km (0.11 R)
• M6: 3,798,140 km (0.059 R)
• M7: 4,459,513 km (0.096 R)
• M8: 5,009,883 km (0.116 R)
• M9: 5,466,905 km (0.1 R)
• M10: 6,916,059 km (0.061 R)
• M11: 7,411,976 km (0.078 R)
• M12: 8,058,837 km (0.071 R)
• M13: 8,743,098 km (0.08 R)
• M14: 10,168,167 km (0.085 R)

Asteroid Belt

Center: 2.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.4

Radius: 9.2

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.8 AU - 3.46 AU

Year: 2509 Days

Day: 9 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,950,631 km

• M1: 118,332 km (0.076 R)
• M2: 510,428 km (0.087 R)
• M3: 907,161 km (0.12 R)
• M4: 1,548,936 km (0.113 R)
• M5: 2,423,635 km (0.079 R)
• M6: 3,106,101 km (0.106 R)
• M7: 5,259,263 km (0.096 R)
• M8: 6,542,364 km (0.059 R)
• M9: 7,665,544 km (0.092 R)
• M10: 7,990,022 km (0.092 R)
• M11: 11,131,278 km (0.119 R)
• M12: 11,505,871 km (0.034 R)
• M13: 12,280,340 km (0.11 R)
• M14: 12,635,485 km (0.109 R)
• M15: 13,273,520 km (0.097 R)
• M16: 16,148,043 km (0.105 R)
• M17: 17,228,738 km (0.029 R)
• M18: 18,472,195 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287

Radius: 12.8

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.67 AU - 5.27 AU

Year: 4281 Days

Day: 12.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,950,631 km

• M1: 184,005 km (0.109 R)
• M2: 637,137 km (0.087 R)
• M3: 1,233,734 km (0.1 R)
• M4: 1,689,259 km (0.113 R)
• M5: 2,284,958 km (0.101 R)
• M6: 2,686,179 km (0.108 R)
• M7: 3,134,823 km (0.104 R)
• M8: 3,982,295 km (0.092 R)
• M9: 4,702,759 km (0.054 R)
• M10: 5,813,972 km (0.12 R)
• M11: 8,120,771 km (0.101 R)
• M12: 8,585,721 km (0.091 R)
• M13: 12,098,279 km (0.119 R)
• M14: 12,706,095 km (0.102 R)
• M15: 13,425,362 km (0.103 R)
• M16: 14,700,833 km (0.098 R)
• M17: 16,158,964 km (0.097 R)
• M18: 17,988,845 km (0.105 R)
• M19: 20,073,042 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.8

Radius: 8.7

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.09 AU - 5.05 AU

Year: 4426 Days

Day: 15 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,950,631 km

• M1: 108,159 km (0.109 R)
• M2: 410,497 km (0.103 R)
• M3: 713,432 km (0.091 R)
• M4: 988,244 km (0.083 R)
• M5: 1,272,180 km (0.112 R)
• M6: 2,329,388 km (0.091 R)
• M7: 2,628,883 km (0.069 R)
• M8: 2,954,109 km (0.045 R)
• M9: 4,262,343 km (0.081 R)
• M10: 6,354,469 km (0.103 R)
• M11: 6,710,362 km (0.078 R)
• M12: 8,118,228 km (0.107 R)
• M13: 8,733,224 km (0.07 R)
• M14: 10,629,677 km (0.064 R)
• M15: 10,947,572 km (0.106 R)
• M16: 11,939,556 km (0.091 R)
• M17: 13,406,213 km (0.103 R)
• M18: 14,375,009 km (0.116 R)
• M19: 14,820,212 km (0.111 R)
• M20: 15,160,099 km (0.072 R)
• M21: 18,328,133 km (0.099 R)
• M22: 23,790,699 km (0.106 R)
• M23: 24,256,996 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.6

Radius: 5.6

Gravity: 26.1 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.09 AU - 10.55 AU

Year: 15019 Days

Day: 16.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,950,631 km

• M1: 75,697 km (0.073 R)
• M2: 556,205 km (0.101 R)
• M3: 912,547 km (0.102 R)
• M4: 1,227,451 km (0.051 R)
• M5: 2,074,174 km (0.093 R)
• M6: 2,902,498 km (0.095 R)
• M7: 3,310,152 km (0.096 R)
• M8: 6,264,560 km (0.088 R)
• M9: 12,153,181 km (0.08 R)
• M10: 15,121,652 km (0.093 R)
• M11: 18,202,471 km (0.109 R)
• M12: 18,968,561 km (0.093 R)
• M13: 20,839,432 km (0.086 R)
• M14: 21,209,238 km (0.056 R)
• M15: 21,961,865 km (0.051 R)
• M16: 42,309,419 km (0.105 R)
• M17: 43,953,051 km (0.074 R)
• M18: 59,769,585 km (0.115 R)
• M19: 63,756,668 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383

Radius: 3.7

Gravity: 27.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 9.06 AU - 12.84 AU

Year: 16416 Days

Day: 17.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,950,631 km

• M1: 46,076 km (0.065 R)
• M2: 498,610 km (0.103 R)
• M3: 758,611 km (0.115 R)
• M4: 1,010,982 km (0.109 R)
• M5: 1,303,745 km (0.075 R)
• M6: 1,427,014 km (0.102 R)
• M7: 1,558,211 km (0.03 R)
• M8: 1,913,506 km (0.071 R)
• M9: 5,637,895 km (0.098 R)
• M10: 7,329,099 km (0.06 R)
• M11: 9,081,488 km (0.107 R)
• M12: 11,437,356 km (0.072 R)
• M13: 11,846,207 km (0.037 R)
• M14: 12,325,369 km (0.081 R)
• M15: 12,447,141 km (0.059 R)
• M16: 14,778,923 km (0.074 R)
• M17: 14,916,404 km (0.117 R)
• M18: 15,687,880 km (0.071 R)
• M19: 18,240,020 km (0.055 R)
• M20: 18,398,145 km (0.049 R)
• M21: 19,202,981 km (0.108 R)
• M22: 20,882,516 km (0.074 R)
• M23: 23,394,713 km (0.074 R)
• M24: 25,504,492 km (0.079 R)
• M25: 26,201,469 km (0.073 R)
• M26: 26,605,383 km (0.109 R)
• M27: 27,425,628 km (0.109 R)
• M28: 30,097,745 km (0.066 R)
• M29: 31,213,297 km (0.109 R)
• M30: 35,335,167 km (0.101 R)
• M31: 39,672,607 km (0.112 R)
• M32: 41,148,390 km (0.103 R)
• M33: 41,420,509 km (0.087 R)
• M34: 43,219,124 km (0.114 R)
• M35: 51,721,818 km (0.101 R)
• M36: 53,319,972 km (0.037 R)
• M37: 54,294,453 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 16,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit