🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.93 AU - 1.07 AU

Year: 351 Days

Day: 31.2 Hours

Environment

Temp: 86 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.83 AU - 1.29 AU

Year: 384 Days

Day: 41.7 Hours

Environment

Temp: 76 °C

Axial Tilt: 11.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.26 AU - 1.66 AU

Year: 620 Days

Day: 16 Hours

Environment

Temp: -3 °C

Axial Tilt: 0.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 103,396,274 km

• M1: 366,066 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.6 AU - 2.08 AU

Year: 877 Days

Day: 19.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.42 AU - 3.72 AU

Year: 2371 Days

Day: 14.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.72 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.2

Radius: 13.5

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.4 AU - 7.33 AU

Year: 4986 Days

Day: 9.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 103,396,274 km

• M1: 168,597 km (0.111 R)
• M2: 780,302 km (0.099 R)
• M3: 1,447,808 km (0.065 R)
• M4: 3,537,092 km (0.083 R)
• M5: 4,103,470 km (0.083 R)
• M6: 4,607,764 km (0.054 R)
• M7: 5,765,502 km (0.06 R)
• M8: 7,468,374 km (0.093 R)
• M9: 14,792,088 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199

Radius: 8

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 14.64 AU - 16.58 AU

Year: 21676 Days

Day: 15.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 103,396,274 km

• M1: 99,632 km (0.071 R)
• M2: 688,001 km (0.107 R)
• M3: 1,098,348 km (0.093 R)
• M4: 1,605,335 km (0.095 R)
• M5: 2,024,059 km (0.086 R)
• M6: 4,776,211 km (0.111 R)
• M7: 7,823,071 km (0.109 R)
• M8: 12,086,610 km (0.102 R)
• M9: 13,624,327 km (0.054 R)
• M10: 20,745,335 km (0.101 R)
• M11: 21,431,541 km (0.049 R)
• M12: 34,806,937 km (0.081 R)
• M13: 36,389,832 km (0.069 R)
• M14: 39,567,739 km (0.103 R)
• M15: 40,092,828 km (0.08 R)
• M16: 44,887,140 km (0.091 R)
• M17: 52,853,377 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.1

Radius: 5.5

Gravity: 26.32 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 15.63 AU - 19.41 AU

Year: 25774 Days

Day: 19.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 103,396,274 km

• M1: 68,366 km (0.089 R)
• M2: 281,244 km (0.03 R)
• M3: 658,081 km (0.042 R)
• M4: 860,337 km (0.094 R)
• M5: 1,035,666 km (0.084 R)
• M6: 2,888,585 km (0.12 R)
• M7: 3,141,406 km (0.118 R)
• M8: 4,162,112 km (0.107 R)
• M9: 4,411,940 km (0.085 R)
• M10: 5,020,804 km (0.1 R)
• M11: 5,304,142 km (0.092 R)
• M12: 8,466,940 km (0.068 R)
• M13: 8,694,927 km (0.05 R)
• M14: 9,103,778 km (0.075 R)
• M15: 9,959,927 km (0.068 R)
• M16: 11,070,093 km (0.071 R)
• M17: 20,928,144 km (0.076 R)
• M18: 23,291,640 km (0.083 R)
• M19: 23,514,841 km (0.069 R)
• M20: 24,537,492 km (0.104 R)
• M21: 26,427,960 km (0.09 R)
• M22: 29,053,702 km (0.085 R)
• M23: 36,443,238 km (0.057 R)
• M24: 38,119,482 km (0.086 R)
• M25: 40,165,981 km (0.097 R)
• M26: 40,648,434 km (0.087 R)
• M27: 41,461,050 km (0.068 R)
• M28: 49,268,563 km (0.054 R)
• M29: 51,693,993 km (0.092 R)
• M30: 57,796,389 km (0.072 R)
• M31: 64,361,642 km (0.076 R)
• M32: 69,080,557 km (0.045 R)
• M33: 70,004,922 km (0.072 R)
• M34: 70,237,247 km (0.064 R)
• M35: 71,171,785 km (0.114 R)
• M36: 81,489,999 km (0.046 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.6

Radius: 5.7

Gravity: 21.29 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 18.54 AU - 21.54 AU

Year: 31530 Days

Day: 16.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 103,396,274 km

• M1: 74,201 km (0.062 R)
• M2: 282,590 km (0.094 R)
• M3: 2,412,714 km (0.114 R)
• M4: 2,777,883 km (0.095 R)
• M5: 3,617,875 km (0.112 R)
• M6: 4,539,099 km (0.088 R)
• M7: 8,343,372 km (0.095 R)
• M8: 10,392,863 km (0.075 R)
• M9: 19,005,362 km (0.117 R)
• M10: 20,545,323 km (0.112 R)
• M11: 27,030,241 km (0.109 R)
• M12: 28,446,634 km (0.101 R)
• M13: 29,106,510 km (0.058 R)
• M14: 34,757,420 km (0.092 R)
• M15: 38,316,353 km (0.081 R)
• M16: 39,121,040 km (0.106 R)
• M17: 44,715,851 km (0.105 R)
• M18: 51,402,277 km (0.112 R)
• M19: 67,176,774 km (0.087 R)
• M20: 83,988,284 km (0.107 R)
• M21: 90,916,460 km (0.076 R)
• M22: 93,500,913 km (0.093 R)
• M23: 103,086,546 km (0.119 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 13,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit