🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.64 AU - 1.04 AU

Year: 289 Days

Day: 41.1 Hours

Environment

Temp: 72 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.77 AU - 0.97 AU

Year: 304 Days

Day: 39.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 36 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.99 AU - 1.25 AU

Year: 444 Days

Day: 34.4 Hours

Environment

Temp: 5 °C

Axial Tilt: 5.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.61 AU - 2.69 AU

Year: 1617 Days

Day: 18 Hours

Environment

Temp: -95 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.15 AU - 3.85 AU

Year: 2454 Days

Day: 22.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,248,610 km

• M1: 222,153 km (0.056 R)

Asteroid Belt

Center: 4.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 14

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.78 AU - 4.88 AU

Year: 3978 Days

Day: 9.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,248,610 km

• M1: 174,132 km (0.099 R)
• M2: 618,737 km (0.077 R)
• M3: 1,470,547 km (0.111 R)
• M4: 2,006,407 km (0.081 R)
• M5: 2,541,069 km (0.071 R)
• M6: 3,419,209 km (0.074 R)
• M7: 4,510,825 km (0.06 R)
• M8: 5,201,817 km (0.084 R)
• M9: 6,009,646 km (0.09 R)
• M10: 6,847,843 km (0.1 R)
• M11: 7,791,057 km (0.095 R)
• M12: 8,456,768 km (0.093 R)
• M13: 9,191,592 km (0.034 R)
• M14: 10,002,114 km (0.095 R)
• M15: 11,037,032 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.1

Radius: 8

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.52 AU - 9.38 AU

Year: 8400 Days

Day: 5.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,248,610 km

• M1: 99,632 km (0.09 R)
• M2: 422,464 km (0.051 R)
• M3: 748,887 km (0.091 R)
• M4: 1,210,845 km (0.059 R)
• M5: 1,564,345 km (0.063 R)
• M6: 3,036,837 km (0.12 R)
• M7: 3,602,466 km (0.071 R)
• M8: 4,185,150 km (0.112 R)
• M9: 4,689,893 km (0.095 R)
• M10: 7,725,683 km (0.111 R)
• M11: 8,321,232 km (0.095 R)
• M12: 9,119,037 km (0.096 R)
• M13: 11,613,731 km (0.1 R)
• M14: 11,922,202 km (0.105 R)
• M15: 12,501,744 km (0.098 R)
• M16: 12,989,882 km (0.079 R)
• M17: 14,589,832 km (0.117 R)
• M18: 15,070,190 km (0.106 R)
• M19: 15,499,087 km (0.077 R)
• M20: 16,834,697 km (0.098 R)
• M21: 17,834,460 km (0.118 R)
• M22: 18,522,760 km (0.067 R)
• M23: 19,228,562 km (0.072 R)
• M24: 19,588,046 km (0.085 R)
• M25: 25,534,262 km (0.062 R)
• M26: 26,319,950 km (0.073 R)
• M27: 28,123,502 km (0.101 R)
• M28: 28,586,956 km (0.109 R)
• M29: 29,720,011 km (0.114 R)
• M30: 32,683,395 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.1

Radius: 10.5

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.36 AU - 8.94 AU

Year: 9534 Days

Day: 8.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,248,610 km

• M1: 130,599 km (0.103 R)
• M2: 544,985 km (0.11 R)
• M3: 1,982,022 km (0.066 R)
• M4: 2,661,795 km (0.046 R)
• M5: 3,356,228 km (0.112 R)
• M6: 4,402,516 km (0.1 R)
• M7: 5,133,451 km (0.052 R)
• M8: 5,466,157 km (0.106 R)
• M9: 6,075,020 km (0.046 R)
• M10: 9,147,311 km (0.098 R)
• M11: 10,193,749 km (0.07 R)
• M12: 11,066,951 km (0.077 R)
• M13: 11,936,564 km (0.108 R)
• M14: 12,307,716 km (0.083 R)
• M15: 14,339,704 km (0.108 R)
• M16: 14,880,650 km (0.105 R)
• M17: 15,686,234 km (0.11 R)
• M18: 17,451,788 km (0.046 R)
• M19: 25,583,779 km (0.066 R)
• M20: 26,469,548 km (0.119 R)
• M21: 28,208,623 km (0.073 R)
• M22: 31,008,048 km (0.104 R)
• M23: 31,508,752 km (0.105 R)
• M24: 35,166,121 km (0.05 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.3

Radius: 10.2

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.02 AU - 11.74 AU

Year: 12532 Days

Day: 12.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,248,610 km

• M1: 126,859 km (0.089 R)
• M2: 454,778 km (0.08 R)
• M3: 779,854 km (0.111 R)
• M4: 1,118,992 km (0.059 R)
• M5: 1,448,706 km (0.039 R)
• M6: 2,445,925 km (0.104 R)
• M7: 2,923,591 km (0.071 R)
• M8: 3,462,742 km (0.115 R)
• M9: 5,023,496 km (0.108 R)
• M10: 5,351,265 km (0.053 R)
• M11: 10,541,564 km (0.108 R)
• M12: 11,246,469 km (0.067 R)
• M13: 14,647,277 km (0.076 R)
• M14: 15,802,023 km (0.093 R)
• M15: 16,509,023 km (0.115 R)
• M16: 16,870,451 km (0.094 R)
• M17: 19,150,622 km (0.08 R)
• M18: 20,447,336 km (0.064 R)
• M19: 21,457,571 km (0.118 R)
• M20: 23,395,611 km (0.03 R)
• M21: 24,313,992 km (0.108 R)
• M22: 36,057,874 km (0.077 R)
• M23: 39,815,324 km (0.05 R)
• M24: 41,388,644 km (0.066 R)
• M25: 42,595,600 km (0.047 R)
• M26: 43,003,105 km (0.08 R)
• M27: 45,644,405 km (0.096 R)
• M28: 46,213,924 km (0.062 R)
• M29: 50,485,990 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.2

Radius: 6.2

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 11.54 AU - 15.8 AU

Year: 18940 Days

Day: 22.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,248,610 km

• M1: 400,324 km (0.113 R)
• M2: 1,181,075 km (0.111 R)
• M3: 1,688,661 km (0.1 R)
• M4: 2,030,342 km (0.075 R)
• M5: 2,482,726 km (0.102 R)
• M6: 3,877,128 km (0.073 R)
• M7: 7,337,177 km (0.091 R)
• M8: 8,909,002 km (0.082 R)
• M9: 9,552,422 km (0.104 R)
• M10: 14,949,914 km (0.091 R)
• M11: 17,042,189 km (0.082 R)
• M12: 25,205,296 km (0.115 R)
• M13: 27,478,436 km (0.079 R)
• M14: 28,607,451 km (0.115 R)
• M15: 33,944,206 km (0.049 R)
• M16: 36,440,545 km (0.115 R)
• M17: 50,774,714 km (0.097 R)
• M18: 57,425,237 km (0.089 R)
• M19: 59,640,034 km (0.098 R)
• M20: 60,958,140 km (0.045 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 13,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit