🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.78 AU - 1 AU

Year: 299 Days

Day: 42.4 Hours

Environment

Temp: 146 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.82 AU - 2.74 AU

Year: 1227 Days

Day: 18.2 Hours

Environment

Temp: -78 °C

Axial Tilt: 81.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.8

Radius: 14.1

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6 AU - 6.82 AU

Year: 5785 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,850,311 km

• M1: 175,329 km (0.107 R)
• M2: 658,380 km (0.113 R)
• M3: 1,919,341 km (0.074 R)
• M4: 2,804,212 km (0.045 R)
• M5: 7,417,062 km (0.086 R)
• M6: 8,110,449 km (0.1 R)
• M7: 8,727,540 km (0.078 R)
• M8: 10,012,436 km (0.097 R)
• M9: 11,184,535 km (0.066 R)
• M10: 13,586,179 km (0.082 R)
• M11: 14,851,179 km (0.074 R)
• M12: 15,835,683 km (0.046 R)
• M13: 16,678,816 km (0.045 R)
• M14: 17,806,485 km (0.111 R)
• M15: 20,635,081 km (0.111 R)
• M16: 22,906,426 km (0.119 R)
• M17: 24,378,319 km (0.08 R)
• M18: 27,083,348 km (0.105 R)
• M19: 27,681,889 km (0.098 R)
• M20: 29,892,048 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.3

Radius: 10.9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.9 AU - 8.82 AU

Year: 7117 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,850,311 km

• M1: 135,984 km (0.036 R)
• M2: 532,120 km (0.065 R)
• M3: 1,468,004 km (0.086 R)
• M4: 1,839,306 km (0.113 R)
• M5: 2,534,188 km (0.104 R)
• M6: 3,396,320 km (0.065 R)
• M7: 4,285,530 km (0.108 R)
• M8: 5,323,440 km (0.115 R)
• M9: 6,946,278 km (0.068 R)
• M10: 10,362,794 km (0.12 R)
• M11: 12,977,017 km (0.111 R)
• M12: 15,068,096 km (0.12 R)
• M13: 16,908,898 km (0.101 R)
• M14: 17,577,002 km (0.106 R)
• M15: 19,834,134 km (0.087 R)
• M16: 20,879,824 km (0.064 R)
• M17: 21,339,089 km (0.055 R)
• M18: 22,918,843 km (0.087 R)
• M19: 24,660,012 km (0.058 R)
• M20: 25,868,763 km (0.088 R)
• M21: 26,309,927 km (0.104 R)
• M22: 28,404,148 km (0.081 R)
• M23: 29,062,977 km (0.114 R)
• M24: 32,103,853 km (0.07 R)
• M25: 36,775,196 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.6

Radius: 13.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.36 AU - 10.22 AU

Year: 10919 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,850,311 km

• M1: 172,935 km (0.103 R)
• M2: 764,296 km (0.056 R)
• M3: 1,543,401 km (0.115 R)
• M4: 2,051,136 km (0.034 R)
• M5: 3,070,048 km (0.069 R)
• M6: 4,098,832 km (0.077 R)
• M7: 4,843,829 km (0.059 R)
• M8: 7,673,174 km (0.107 R)
• M9: 10,507,006 km (0.119 R)
• M10: 14,547,346 km (0.071 R)
• M11: 15,397,810 km (0.09 R)
• M12: 16,841,429 km (0.081 R)
• M13: 18,448,858 km (0.104 R)
• M14: 18,981,127 km (0.079 R)
• M15: 20,076,483 km (0.073 R)
• M16: 23,438,546 km (0.048 R)
• M17: 24,153,474 km (0.047 R)
• M18: 25,439,567 km (0.048 R)
• M19: 26,481,665 km (0.077 R)
• M20: 27,552,038 km (0.103 R)
• M21: 31,797,027 km (0.069 R)
• M22: 37,662,461 km (0.074 R)
• M23: 38,643,524 km (0.091 R)
• M24: 40,274,140 km (0.071 R)
• M25: 41,819,636 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.2

Radius: 3.6

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 15.2 AU - 21.88 AU

Year: 28455 Days

Day: 23.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,850,311 km

• M1: 44,730 km (0.114 R)
• M2: 179,368 km (0.076 R)
• M3: 463,604 km (0.108 R)
• M4: 2,747,963 km (0.097 R)
• M5: 3,099,069 km (0.073 R)
• M6: 3,769,418 km (0.039 R)
• M7: 4,397,729 km (0.119 R)
• M8: 8,873,697 km (0.065 R)
• M9: 11,290,750 km (0.08 R)
• M10: 14,699,038 km (0.102 R)
• M11: 16,234,959 km (0.107 R)
• M12: 17,371,754 km (0.063 R)
• M13: 21,670,897 km (0.1 R)
• M14: 23,551,791 km (0.082 R)
• M15: 25,538,750 km (0.095 R)
• M16: 27,184,177 km (0.1 R)
• M17: 27,296,375 km (0.108 R)
• M18: 35,267,100 km (0.072 R)
• M19: 38,421,520 km (0.11 R)
• M20: 38,704,410 km (0.051 R)
• M21: 38,988,646 km (0.115 R)
• M22: 46,235,765 km (0.081 R)
• M23: 50,512,170 km (0.11 R)
• M24: 55,224,204 km (0.085 R)
• M25: 55,946,312 km (0.111 R)
• M26: 58,710,133 km (0.08 R)
• M27: 65,308,895 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.5

Radius: 8

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 17.67 AU - 19.69 AU

Year: 28778 Days

Day: 22.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,850,311 km

• M1: 99,483 km (0.04 R)
• M2: 487,988 km (0.041 R)
• M3: 1,441,076 km (0.087 R)
• M4: 2,471,058 km (0.075 R)
• M5: 5,071,667 km (0.103 R)
• M6: 6,910,075 km (0.085 R)
• M7: 10,469,457 km (0.038 R)
• M8: 11,329,795 km (0.12 R)
• M9: 18,805,350 km (0.048 R)
• M10: 20,540,835 km (0.067 R)
• M11: 25,179,865 km (0.112 R)
• M12: 27,972,408 km (0.055 R)
• M13: 30,228,045 km (0.088 R)
• M14: 36,877,371 km (0.09 R)
• M15: 46,357,687 km (0.077 R)
• M16: 46,845,676 km (0.089 R)
• M17: 48,664,636 km (0.103 R)
• M18: 52,619,106 km (0.109 R)
• M19: 59,805,040 km (0.103 R)
• M20: 61,551,446 km (0.111 R)
• M21: 71,226,987 km (0.099 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 11,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit