🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.47 AU - 0.67 AU

Year: 278 Days

Day: 26.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.6

Radius: 12.5

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.07 AU - 1.21 AU

Year: 786 Days

Day: 12.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,415,130 km

• M1: 155,432 km (0.081 R)
• M2: 675,584 km (0.109 R)
• M3: 1,102,387 km (0.083 R)
• M4: 2,162,288 km (0.089 R)
• M5: 2,758,585 km (0.09 R)
• M6: 3,462,892 km (0.072 R)
• M7: 4,138,475 km (0.119 R)
• M8: 4,688,397 km (0.055 R)
• M9: 5,100,240 km (0.089 R)
• M10: 5,654,201 km (0.064 R)
• M11: 6,163,582 km (0.103 R)
• M12: 8,078,883 km (0.101 R)
• M13: 8,594,398 km (0.052 R)
• M14: 9,549,430 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 13.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.17 AU - 1.25 AU

Year: 859 Days

Day: 12.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,415,130 km

• M1: 169,494 km (0.117 R)
• M2: 605,123 km (0.066 R)
• M3: 1,226,553 km (0.12 R)
• M4: 1,803,702 km (0.105 R)
• M5: 2,358,261 km (0.034 R)
• M6: 2,785,961 km (0.061 R)
• M7: 3,348,898 km (0.061 R)
• M8: 4,114,839 km (0.119 R)
• M9: 4,921,471 km (0.091 R)
• M10: 6,272,489 km (0.097 R)
• M11: 6,758,832 km (0.077 R)
• M12: 7,318,178 km (0.09 R)
• M13: 7,857,927 km (0.101 R)
• M14: 9,268,186 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 10

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.35 AU - 1.53 AU

Year: 1116 Days

Day: 6.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,415,130 km

• M1: 124,316 km (0.025 R)
• M2: 456,124 km (0.109 R)
• M3: 1,350,420 km (0.083 R)
• M4: 1,691,802 km (0.097 R)
• M5: 2,308,894 km (0.089 R)
• M6: 2,730,161 km (0.068 R)
• M7: 3,819,383 km (0.051 R)
• M8: 4,164,655 km (0.089 R)
• M9: 5,639,989 km (0.064 R)
• M10: 6,853,078 km (0.065 R)
• M11: 7,246,521 km (0.084 R)
• M12: 8,811,015 km (0.095 R)
• M13: 9,248,888 km (0.114 R)
• M14: 9,643,976 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.2

Radius: 13

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.5 AU - 2.92 AU

Year: 2881 Days

Day: 9.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,415,130 km

• M1: 163,211 km (0.073 R)
• M2: 570,566 km (0.098 R)
• M3: 1,141,881 km (0.084 R)
• M4: 1,573,470 km (0.068 R)
• M5: 2,036,925 km (0.041 R)
• M6: 3,451,073 km (0.118 R)
• M7: 3,906,300 km (0.105 R)
• M8: 4,700,066 km (0.092 R)
• M9: 5,185,810 km (0.106 R)
• M10: 5,759,069 km (0.109 R)
• M11: 6,971,261 km (0.081 R)
• M12: 7,540,181 km (0.092 R)
• M13: 12,070,903 km (0.094 R)
• M14: 12,707,142 km (0.115 R)
• M15: 15,111,779 km (0.059 R)
• M16: 15,958,802 km (0.067 R)
• M17: 16,394,131 km (0.119 R)
• M18: 18,871,173 km (0.08 R)
• M19: 23,005,759 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.6

Radius: 14.3

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.38 AU - 7.1 AU

Year: 8879 Days

Day: 8.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,415,130 km

• M1: 179,517 km (0.088 R)
• M2: 758,312 km (0.102 R)
• M3: 1,349,223 km (0.116 R)
• M4: 2,574,879 km (0.09 R)
• M5: 3,158,609 km (0.085 R)
• M6: 5,081,092 km (0.114 R)
• M7: 5,544,845 km (0.074 R)
• M8: 7,797,191 km (0.037 R)
• M9: 8,990,383 km (0.073 R)
• M10: 11,367,045 km (0.094 R)
• M11: 12,068,958 km (0.1 R)
• M12: 13,050,021 km (0.069 R)
• M13: 13,611,761 km (0.061 R)
• M14: 16,196,513 km (0.11 R)
• M15: 17,146,609 km (0.119 R)
• M16: 17,635,495 km (0.105 R)
• M17: 18,898,549 km (0.11 R)
• M18: 19,486,319 km (0.116 R)
• M19: 21,675,385 km (0.11 R)
• M20: 22,829,383 km (0.084 R)
• M21: 25,973,332 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.4

Radius: 5.5

Gravity: 17.96 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.2 AU - 10.96 AU

Year: 19145 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 68.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,415,130 km

• M1: 73,901 km (0.051 R)
• M2: 473,627 km (0.084 R)
• M3: 1,369,269 km (0.073 R)
• M4: 1,895,405 km (0.093 R)
• M5: 2,998,839 km (0.104 R)
• M6: 4,848,168 km (0.076 R)
• M7: 5,811,428 km (0.103 R)
• M8: 6,634,666 km (0.098 R)
• M9: 16,754,662 km (0.082 R)
• M10: 18,238,224 km (0.115 R)
• M11: 23,915,464 km (0.114 R)
• M12: 42,936,982 km (0.119 R)
• M13: 45,074,886 km (0.116 R)
• M14: 52,254,686 km (0.091 R)
• M15: 56,836,121 km (0.056 R)
• M16: 64,002,756 km (0.112 R)
• M17: 64,395,750 km (0.116 R)
• M18: 68,210,346 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 17,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit