🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.4 AU - 0.6 AU

Year: 128 Days

Day: 37.7 Hours

Environment

Temp: 234 °C

Axial Tilt: 69.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,101,252 km

• M1: 52,359 km (0.032 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.22 AU - 1.38 AU

Year: 539 Days

Day: 12.8 Hours

Environment

Temp: 0 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.26 AU - 1.62 AU

Year: 628 Days

Day: 38.3 Hours

Environment

Temp: -25 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,101,252 km

• M1: 72,256 km (0.077 R)

Asteroid Belt

Center: 3.08 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.12 AU - 5.32 AU

Year: 3727 Days

Day: 38.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,101,252 km

• M1: 3,746,379 km (0.072 R)

Asteroid Belt

Center: 5.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 13.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.47 AU - 5.81 AU

Year: 4868 Days

Day: 12.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,101,252 km

• M1: 170,990 km (0.111 R)
• M2: 610,210 km (0.077 R)
• M3: 1,053,618 km (0.096 R)
• M4: 2,604,798 km (0.027 R)
• M5: 3,733,065 km (0.049 R)
• M6: 6,069,186 km (0.111 R)
• M7: 8,514,812 km (0.116 R)
• M8: 9,148,359 km (0.078 R)
• M9: 14,688,117 km (0.107 R)
• M10: 16,296,743 km (0.053 R)
• M11: 17,644,919 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.8

Radius: 13.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.34 AU - 5.98 AU

Year: 4894 Days

Day: 10.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 81.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,101,252 km

• M1: 170,392 km (0.097 R)
• M2: 716,125 km (0.109 R)
• M3: 1,285,345 km (0.084 R)
• M4: 2,167,524 km (0.096 R)
• M5: 3,284,272 km (0.118 R)
• M6: 3,923,503 km (0.105 R)
• M7: 4,493,770 km (0.084 R)
• M8: 5,026,189 km (0.067 R)
• M9: 5,501,910 km (0.077 R)
• M10: 6,711,858 km (0.097 R)
• M11: 7,320,123 km (0.091 R)
• M12: 8,748,483 km (0.089 R)
• M13: 9,945,416 km (0.073 R)
• M14: 10,815,178 km (0.067 R)
• M15: 11,612,236 km (0.096 R)
• M16: 13,776,767 km (0.109 R)
• M17: 15,246,865 km (0.06 R)
• M18: 16,662,660 km (0.058 R)
• M19: 17,188,945 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.6

Radius: 14.4

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 10.34 AU - 12.94 AU

Year: 14433 Days

Day: 14.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,101,252 km

• M1: 179,218 km (0.052 R)
• M2: 686,804 km (0.1 R)
• M3: 1,219,971 km (0.114 R)
• M4: 2,054,727 km (0.118 R)
• M5: 2,759,632 km (0.119 R)
• M6: 3,511,960 km (0.094 R)
• M7: 4,117,532 km (0.109 R)
• M8: 5,428,458 km (0.09 R)
• M9: 6,080,854 km (0.091 R)
• M10: 8,506,584 km (0.061 R)
• M11: 10,737,387 km (0.09 R)
• M12: 13,131,701 km (0.106 R)
• M13: 14,597,910 km (0.108 R)
• M14: 17,607,071 km (0.028 R)
• M15: 18,525,602 km (0.099 R)
• M16: 21,380,079 km (0.08 R)
• M17: 22,912,111 km (0.056 R)
• M18: 23,405,484 km (0.029 R)
• M19: 25,032,511 km (0.084 R)
• M20: 26,301,400 km (0.099 R)
• M21: 29,660,919 km (0.087 R)
• M22: 30,841,546 km (0.098 R)
• M23: 31,686,624 km (0.085 R)
• M24: 39,433,400 km (0.104 R)
• M25: 40,572,588 km (0.109 R)
• M26: 42,916,488 km (0.119 R)
• M27: 43,667,170 km (0.074 R)
• M28: 49,496,849 km (0.102 R)
• M29: 49,991,120 km (0.094 R)
• M30: 51,157,236 km (0.101 R)
• M31: 56,540,366 km (0.107 R)
• M32: 63,252,373 km (0.103 R)
• M33: 67,403,116 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.7

Radius: 7

Gravity: 19.89 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 16.28 AU - 17.64 AU

Year: 25384 Days

Day: 20 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,101,252 km

• M1: 87,216 km (0.091 R)
• M2: 328,218 km (0.1 R)
• M3: 661,971 km (0.098 R)
• M4: 1,455,438 km (0.038 R)
• M5: 2,081,954 km (0.087 R)
• M6: 2,407,479 km (0.103 R)
• M7: 3,131,383 km (0.091 R)
• M8: 3,855,436 km (0.086 R)
• M9: 5,082,438 km (0.099 R)
• M10: 6,264,710 km (0.068 R)
• M11: 8,920,072 km (0.098 R)
• M12: 12,318,337 km (0.073 R)
• M13: 13,462,013 km (0.061 R)
• M14: 15,436,406 km (0.048 R)
• M15: 16,492,567 km (0.104 R)
• M16: 16,764,087 km (0.101 R)
• M17: 21,415,085 km (0.057 R)
• M18: 22,174,144 km (0.111 R)
• M19: 22,504,905 km (0.087 R)
• M20: 23,745,969 km (0.094 R)
• M21: 25,150,992 km (0.091 R)
• M22: 25,631,501 km (0.1 R)
• M23: 27,361,301 km (0.07 R)
• M24: 36,267,012 km (0.112 R)
• M25: 42,713,782 km (0.114 R)
• M26: 53,951,275 km (0.111 R)
• M27: 60,350,773 km (0.097 R)
• M28: 67,931,196 km (0.107 R)
• M29: 87,392,084 km (0.1 R)
• M30: 90,724,676 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.7

Radius: 6

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 15.96 AU - 19.5 AU

Year: 27133 Days

Day: 18.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,101,252 km

• M1: 77,791 km (0.049 R)
• M2: 531,521 km (0.037 R)
• M3: 782,995 km (0.041 R)
• M4: 1,515,277 km (0.098 R)
• M5: 2,112,771 km (0.106 R)
• M6: 2,655,661 km (0.05 R)
• M7: 3,401,856 km (0.103 R)
• M8: 3,792,306 km (0.034 R)
• M9: 4,178,867 km (0.113 R)
• M10: 5,221,564 km (0.066 R)
• M11: 8,012,911 km (0.055 R)
• M12: 9,491,087 km (0.088 R)
• M13: 16,463,246 km (0.119 R)
• M14: 18,285,797 km (0.11 R)
• M15: 19,385,490 km (0.107 R)
• M16: 19,667,183 km (0.072 R)
• M17: 34,121,180 km (0.078 R)
• M18: 34,394,645 km (0.112 R)
• M19: 39,872,320 km (0.031 R)
• M20: 42,342,929 km (0.094 R)
• M21: 49,135,869 km (0.083 R)
• M22: 50,187,243 km (0.102 R)
• M23: 52,334,571 km (0.067 R)
• M24: 56,238,627 km (0.104 R)
• M25: 65,459,391 km (0.099 R)
• M26: 66,305,815 km (0.102 R)
• M27: 72,210,743 km (0.07 R)
• M28: 72,661,631 km (0.066 R)
• M29: 74,713,665 km (0.087 R)
• M30: 79,172,130 km (0.117 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 13,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit