🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.51 AU - 0.63 AU

Year: 282 Days

Day: 43.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.52 AU - 0.7 AU

Year: 313 Days

Day: 36 Hours

Environment

Temp: -128 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.7

Radius: 12.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.95 AU - 1.31 AU

Year: 788 Days

Day: 9.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,326,691 km

• M1: 157,975 km (0.12 R)
• M2: 556,504 km (0.056 R)
• M3: 973,882 km (0.094 R)
• M4: 1,463,217 km (0.072 R)
• M5: 1,899,743 km (0.039 R)
• M6: 2,572,335 km (0.096 R)
• M7: 3,155,169 km (0.078 R)
• M8: 4,395,933 km (0.11 R)
• M9: 4,802,092 km (0.098 R)
• M10: 5,376,996 km (0.076 R)
• M11: 6,016,826 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.9

Radius: 11.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.16 AU - 1.38 AU

Year: 939 Days

Day: 8.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,326,691 km

• M1: 143,016 km (0.109 R)
• M2: 533,017 km (0.09 R)
• M3: 939,774 km (0.101 R)
• M4: 1,500,167 km (0.07 R)
• M5: 1,921,285 km (0.106 R)
• M6: 2,453,704 km (0.095 R)
• M7: 2,958,747 km (0.09 R)
• M8: 3,773,457 km (0.095 R)
• M9: 5,767,596 km (0.11 R)
• M10: 6,391,270 km (0.103 R)
• M11: 6,752,100 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.5

Radius: 14.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.19 AU - 4.53 AU

Year: 4975 Days

Day: 9.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,326,691 km

• M1: 183,557 km (0.107 R)
• M2: 625,618 km (0.102 R)
• M3: 1,522,158 km (0.1 R)
• M4: 2,315,925 km (0.054 R)
• M5: 2,988,965 km (0.046 R)
• M6: 3,833,745 km (0.116 R)
• M7: 4,384,863 km (0.09 R)
• M8: 6,028,944 km (0.115 R)
• M9: 6,941,491 km (0.1 R)
• M10: 8,806,527 km (0.108 R)
• M11: 11,443,788 km (0.118 R)
• M12: 12,742,597 km (0.05 R)
• M13: 13,819,103 km (0.1 R)
• M14: 14,515,481 km (0.11 R)
• M15: 17,047,276 km (0.079 R)
• M16: 18,481,770 km (0.077 R)
• M17: 20,887,004 km (0.067 R)
• M18: 23,045,103 km (0.087 R)
• M19: 25,987,544 km (0.076 R)
• M20: 26,966,512 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.8

Radius: 5.6

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.85 AU - 10.19 AU

Year: 20807 Days

Day: 17.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 73.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 35,326,691 km

• M1: 69,713 km (0.096 R)
• M2: 325,525 km (0.116 R)
• M3: 563,834 km (0.101 R)
• M4: 1,281,306 km (0.095 R)
• M5: 1,911,562 km (0.106 R)
• M6: 3,165,042 km (0.101 R)
• M7: 5,793,327 km (0.093 R)
• M8: 6,678,647 km (0.109 R)
• M9: 7,153,621 km (0.081 R)
• M10: 8,414,731 km (0.097 R)
• M11: 9,280,902 km (0.118 R)
• M12: 9,654,299 km (0.093 R)
• M13: 10,317,616 km (0.108 R)
• M14: 12,813,656 km (0.111 R)
• M15: 14,589,532 km (0.115 R)
• M16: 16,834,996 km (0.11 R)
• M17: 19,386,986 km (0.058 R)
• M18: 23,435,254 km (0.07 R)
• M19: 24,327,456 km (0.088 R)
• M20: 27,139,896 km (0.101 R)
• M21: 29,815,304 km (0.053 R)
• M22: 30,627,621 km (0.105 R)
• M23: 34,402,723 km (0.077 R)
• M24: 35,039,262 km (0.036 R)
• M25: 38,613,006 km (0.064 R)
• M26: 39,024,549 km (0.06 R)
• M27: 41,268,667 km (0.067 R)
• M28: 41,698,910 km (0.075 R)
• M29: 42,568,074 km (0.11 R)
• M30: 43,449,355 km (0.116 R)
• M31: 52,101,946 km (0.092 R)
• M32: 52,772,743 km (0.055 R)
• M33: 56,388,374 km (0.12 R)
• M34: 59,798,906 km (0.098 R)
• M35: 60,718,784 km (0.051 R)
• M36: 63,154,387 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.4

Radius: 5.7

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.87 AU - 11.49 AU

Year: 21307 Days

Day: 16.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,326,691 km

• M1: 209,886 km (0.098 R)
• M2: 416,331 km (0.108 R)
• M3: 1,420,282 km (0.101 R)
• M4: 2,051,585 km (0.108 R)
• M5: 2,720,437 km (0.116 R)
• M6: 3,849,303 km (0.076 R)
• M7: 4,244,092 km (0.107 R)
• M8: 4,999,561 km (0.025 R)
• M9: 6,196,194 km (0.103 R)
• M10: 8,351,900 km (0.061 R)
• M11: 9,887,671 km (0.048 R)
• M12: 12,850,008 km (0.087 R)
• M13: 15,608,443 km (0.101 R)
• M14: 16,737,309 km (0.069 R)
• M15: 19,226,767 km (0.068 R)
• M16: 19,438,747 km (0.105 R)
• M17: 21,952,440 km (0.067 R)
• M18: 27,167,572 km (0.099 R)
• M19: 28,796,693 km (0.095 R)
• M20: 32,748,021 km (0.104 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 14,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit