🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.49 AU - 0.57 AU

Year: 143 Days

Day: 42.8 Hours

Environment

Temp: 245 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.18 AU - 1.4 AU

Year: 543 Days

Day: 24.3 Hours

Environment

Temp: -13 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 56,703,389 km

• M1: 37,848 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.36 AU - 1.76 AU

Year: 723 Days

Day: 37.5 Hours

Environment

Temp: -52 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.54 AU - 1.94 AU

Year: 851 Days

Day: 44.5 Hours

Environment

Temp: -57 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.54 AU - 3.82 AU

Year: 2618 Days

Day: 43.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.8

Radius: 12.2

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.96 AU - 5.2 AU

Year: 4246 Days

Day: 7.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,703,389 km

• M1: 154,235 km (0.088 R)
• M2: 574,456 km (0.044 R)
• M3: 1,167,013 km (0.102 R)
• M4: 1,618,948 km (0.056 R)
• M5: 2,004,163 km (0.036 R)
• M6: 3,013,350 km (0.1 R)
• M7: 3,551,753 km (0.111 R)
• M8: 3,958,509 km (0.104 R)
• M9: 4,376,037 km (0.105 R)
• M10: 5,253,578 km (0.062 R)
• M11: 5,709,852 km (0.081 R)
• M12: 6,350,579 km (0.03 R)
• M13: 7,010,306 km (0.032 R)
• M14: 8,274,408 km (0.093 R)
• M15: 11,133,373 km (0.039 R)
• M16: 11,566,758 km (0.113 R)
• M17: 12,763,840 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.8

Radius: 6.4

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 14.98 AU - 18.54 AU

Year: 25446 Days

Day: 22.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,703,389 km

• M1: 89,609 km (0.119 R)
• M2: 329,863 km (0.059 R)
• M3: 756,965 km (0.082 R)
• M4: 1,668,615 km (0.101 R)
• M5: 2,140,746 km (0.074 R)
• M6: 6,002,914 km (0.078 R)
• M7: 7,420,952 km (0.06 R)
• M8: 7,795,695 km (0.12 R)
• M9: 8,943,858 km (0.093 R)
• M10: 9,585,783 km (0.076 R)
• M11: 12,203,297 km (0.074 R)
• M12: 16,727,884 km (0.103 R)
• M13: 19,316,975 km (0.111 R)
• M14: 37,141,860 km (0.084 R)
• M15: 52,421,936 km (0.1 R)
• M16: 53,452,815 km (0.066 R)
• M17: 55,554,815 km (0.094 R)
• M18: 65,896,516 km (0.12 R)
• M19: 66,494,907 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.1

Radius: 6.7

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 14.36 AU - 19.54 AU

Year: 25880 Days

Day: 22.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,703,389 km

• M1: 83,326 km (0.109 R)
• M2: 509,680 km (0.109 R)
• M3: 750,981 km (0.115 R)
• M4: 976,425 km (0.066 R)
• M5: 1,261,260 km (0.114 R)
• M6: 1,491,491 km (0.118 R)
• M7: 1,908,121 km (0.098 R)
• M8: 2,274,785 km (0.039 R)
• M9: 3,174,467 km (0.097 R)
• M10: 3,605,159 km (0.086 R)
• M11: 4,166,450 km (0.029 R)
• M12: 4,852,955 km (0.078 R)
• M13: 5,882,338 km (0.049 R)
• M14: 9,835,611 km (0.119 R)
• M15: 11,106,146 km (0.104 R)
• M16: 11,594,284 km (0.045 R)
• M17: 16,570,956 km (0.037 R)
• M18: 17,861,387 km (0.072 R)
• M19: 22,037,861 km (0.119 R)
• M20: 25,018,897 km (0.109 R)
• M21: 30,212,337 km (0.091 R)
• M22: 31,523,862 km (0.109 R)
• M23: 32,010,055 km (0.064 R)
• M24: 35,554,477 km (0.091 R)
• M25: 40,341,759 km (0.102 R)
• M26: 50,339,683 km (0.098 R)
• M27: 57,970,222 km (0.065 R)
• M28: 58,334,343 km (0.1 R)
• M29: 63,785,989 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.5

Radius: 5

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 17.92 AU - 18.96 AU

Year: 29366 Days

Day: 17 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,703,389 km

• M1: 62,831 km (0.066 R)
• M2: 281,394 km (0.055 R)
• M3: 475,721 km (0.116 R)
• M4: 724,652 km (0.098 R)
• M5: 1,359,695 km (0.049 R)
• M6: 2,268,801 km (0.1 R)
• M7: 2,816,479 km (0.117 R)
• M8: 2,978,045 km (0.078 R)
• M9: 3,606,206 km (0.071 R)
• M10: 4,169,293 km (0.095 R)
• M11: 4,410,295 km (0.1 R)
• M12: 4,887,063 km (0.107 R)
• M13: 5,121,034 km (0.087 R)
• M14: 6,849,039 km (0.104 R)
• M15: 7,356,924 km (0.103 R)
• M16: 9,589,074 km (0.11 R)
• M17: 9,956,037 km (0.103 R)
• M18: 15,978,997 km (0.088 R)
• M19: 17,174,135 km (0.115 R)
• M20: 18,669,365 km (0.109 R)
• M21: 19,324,006 km (0.117 R)
• M22: 22,006,146 km (0.115 R)
• M23: 24,633,085 km (0.07 R)
• M24: 26,224,208 km (0.113 R)
• M25: 30,724,560 km (0.108 R)
• M26: 31,867,039 km (0.118 R)
• M27: 32,683,544 km (0.071 R)
• M28: 34,358,143 km (0.066 R)
• M29: 35,588,735 km (0.085 R)
• M30: 36,467,473 km (0.102 R)
• M31: 38,268,183 km (0.098 R)
• M32: 42,464,552 km (0.096 R)
• M33: 48,318,915 km (0.067 R)
• M34: 55,522,203 km (0.088 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 10,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit