🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.45 AU - 0.65 AU

Year: 259 Days

Day: 22.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,876,096 km

• M1: 116,387 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.7

Radius: 12.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.54 AU - 0.84 AU

Year: 364 Days

Day: 11.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,876,096 km

• M1: 157,975 km (0.093 R)
• M2: 573,409 km (0.094 R)
• M3: 973,882 km (0.103 R)
• M4: 1,449,603 km (0.111 R)
• M5: 1,849,778 km (0.063 R)
• M6: 2,507,260 km (0.111 R)
• M7: 3,001,831 km (0.116 R)
• M8: 3,794,400 km (0.114 R)
• M9: 4,384,115 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 14.7

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.6 AU - 0.92 AU

Year: 421 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,876,096 km

• M1: 182,809 km (0.105 R)
• M2: 842,236 km (0.098 R)
• M3: 1,814,173 km (0.107 R)
• M4: 2,310,689 km (0.084 R)
• M5: 3,098,022 km (0.056 R)
• M6: 3,675,470 km (0.044 R)
• M7: 4,239,454 km (0.108 R)
• M8: 4,954,681 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.1

Radius: 13.3

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.79 AU - 3.73 AU

Year: 3742 Days

Day: 8.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,876,096 km

• M1: 165,455 km (0.101 R)
• M2: 642,224 km (0.072 R)
• M3: 3,949,683 km (0.118 R)
• M4: 5,446,410 km (0.107 R)
• M5: 7,203,437 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419

Radius: 9.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.08 AU - 4.18 AU

Year: 4397 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,876,096 km

• M1: 125,064 km (0.105 R)
• M2: 659,278 km (0.092 R)
• M3: 1,224,309 km (0.034 R)
• M4: 1,748,051 km (0.108 R)
• M5: 2,076,418 km (0.042 R)
• M6: 3,301,625 km (0.099 R)
• M7: 3,953,872 km (0.054 R)
• M8: 4,619,433 km (0.081 R)
• M9: 4,954,681 km (0.046 R)
• M10: 5,594,063 km (0.114 R)
• M11: 7,131,330 km (0.093 R)
• M12: 10,357,259 km (0.061 R)
• M13: 11,187,826 km (0.118 R)
• M14: 11,928,037 km (0.066 R)
• M15: 12,332,998 km (0.03 R)
• M16: 13,313,762 km (0.118 R)
• M17: 14,958,740 km (0.07 R)
• M18: 16,019,239 km (0.09 R)
• M19: 17,819,350 km (0.101 R)
• M20: 20,001,235 km (0.096 R)
• M21: 20,381,513 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.1

Radius: 9.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.86 AU - 4.62 AU

Year: 5551 Days

Day: 9 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,876,096 km

• M1: 114,442 km (0.072 R)
• M2: 823,686 km (0.061 R)
• M3: 1,304,493 km (0.053 R)
• M4: 4,965,303 km (0.119 R)
• M5: 5,353,809 km (0.109 R)
• M6: 5,841,498 km (0.115 R)
• M7: 6,642,744 km (0.09 R)
• M8: 7,801,379 km (0.055 R)
• M9: 8,227,135 km (0.119 R)
• M10: 10,474,693 km (0.103 R)
• M11: 11,115,421 km (0.116 R)
• M12: 11,403,846 km (0.115 R)
• M13: 12,563,379 km (0.08 R)
• M14: 13,942,073 km (0.12 R)

Asteroid Belt

Center: 4.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.8

Radius: 13.9

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.93 AU - 5.81 AU

Year: 6833 Days

Day: 15 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,876,096 km

• M1: 173,085 km (0.047 R)
• M2: 688,599 km (0.104 R)
• M3: 1,195,736 km (0.12 R)
• M4: 1,811,331 km (0.081 R)
• M5: 2,278,376 km (0.077 R)
• M6: 3,306,412 km (0.097 R)
• M7: 3,989,177 km (0.106 R)
• M8: 6,581,259 km (0.09 R)
• M9: 7,824,567 km (0.08 R)
• M10: 8,272,164 km (0.038 R)
• M11: 8,997,714 km (0.118 R)
• M12: 9,999,271 km (0.101 R)
• M13: 11,535,193 km (0.12 R)
• M14: 13,978,275 km (0.071 R)
• M15: 16,089,251 km (0.099 R)
• M16: 18,405,026 km (0.109 R)
• M17: 19,199,690 km (0.116 R)
• M18: 20,168,187 km (0.095 R)
• M19: 21,091,056 km (0.055 R)
• M20: 22,364,882 km (0.113 R)
• M21: 25,506,437 km (0.037 R)
• M22: 27,229,056 km (0.064 R)
• M23: 28,642,906 km (0.116 R)
• M24: 32,028,007 km (0.097 R)
• M25: 32,547,410 km (0.112 R)
• M26: 33,602,973 km (0.11 R)
• M27: 34,572,517 km (0.096 R)
• M28: 35,229,102 km (0.049 R)
• M29: 38,754,974 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.4

Radius: 5.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.19 AU - 6.97 AU

Year: 10732 Days

Day: 19.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,876,096 km

• M1: 67,917 km (0.09 R)
• M2: 396,883 km (0.062 R)
• M3: 1,990,100 km (0.037 R)
• M4: 2,722,980 km (0.055 R)
• M5: 2,926,733 km (0.092 R)
• M6: 3,868,601 km (0.075 R)
• M7: 4,078,936 km (0.068 R)
• M8: 4,573,656 km (0.086 R)
• M9: 7,518,789 km (0.098 R)
• M10: 8,070,955 km (0.034 R)
• M11: 8,848,714 km (0.066 R)
• M12: 10,871,427 km (0.04 R)
• M13: 12,362,469 km (0.1 R)
• M14: 17,645,218 km (0.044 R)
• M15: 27,463,476 km (0.113 R)
• M16: 30,204,109 km (0.045 R)
• M17: 30,847,231 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.7

Radius: 6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.64 AU - 8.82 AU

Year: 12361 Days

Day: 18.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,876,096 km

• M1: 74,799 km (0.111 R)
• M2: 435,180 km (0.07 R)
• M3: 658,530 km (0.112 R)
• M4: 986,299 km (0.059 R)
• M5: 1,291,478 km (0.064 R)
• M6: 1,516,174 km (0.102 R)
• M7: 1,794,875 km (0.051 R)
• M8: 2,219,434 km (0.051 R)
• M9: 2,822,313 km (0.05 R)
• M10: 3,710,925 km (0.119 R)
• M11: 4,219,258 km (0.088 R)
• M12: 4,424,806 km (0.116 R)
• M13: 4,745,544 km (0.055 R)
• M14: 7,591,793 km (0.114 R)
• M15: 8,209,333 km (0.082 R)
• M16: 10,171,159 km (0.067 R)
• M17: 12,373,240 km (0.103 R)
• M18: 15,533,196 km (0.055 R)
• M19: 16,336,985 km (0.096 R)
• M20: 22,056,261 km (0.097 R)
• M21: 26,127,418 km (0.045 R)
• M22: 27,085,891 km (0.087 R)
• M23: 28,980,100 km (0.111 R)
• M24: 29,630,701 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 20,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit