🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.49 AU - 0.69 AU

Year: 165 Days

Day: 34.2 Hours

Environment

Temp: 216 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,204,028 km

• M1: 260,599 km (0.044 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.29 AU - 1.31 AU

Year: 539 Days

Day: 43.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 49.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.4

Radius: 8.3

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.93 AU - 6.59 AU

Year: 5692 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,204,028 km

• M1: 103,223 km (0.079 R)
• M2: 567,425 km (0.063 R)
• M3: 1,419,085 km (0.102 R)
• M4: 2,139,698 km (0.079 R)
• M5: 2,522,519 km (0.065 R)
• M6: 3,793,952 km (0.103 R)
• M7: 4,762,897 km (0.107 R)
• M8: 6,610,580 km (0.098 R)
• M9: 9,798,511 km (0.089 R)
• M10: 10,318,513 km (0.089 R)
• M11: 10,765,811 km (0.115 R)
• M12: 12,433,977 km (0.057 R)
• M13: 14,377,702 km (0.051 R)
• M14: 15,918,111 km (0.097 R)
• M15: 17,314,458 km (0.117 R)
• M16: 18,397,845 km (0.119 R)
• M17: 19,323,407 km (0.119 R)
• M18: 21,991,934 km (0.118 R)
• M19: 24,737,803 km (0.087 R)
• M20: 25,783,043 km (0.071 R)
• M21: 27,961,488 km (0.112 R)
• M22: 29,361,424 km (0.065 R)
• M23: 30,259,760 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.6

Radius: 11.9

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.22 AU - 11.29 AU

Year: 10225 Days

Day: 9.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,204,028 km

• M1: 150,047 km (0.082 R)
• M2: 786,436 km (0.05 R)
• M3: 1,385,127 km (0.076 R)
• M4: 3,080,519 km (0.092 R)
• M5: 3,691,327 km (0.097 R)
• M6: 9,588,476 km (0.089 R)
• M7: 10,838,665 km (0.034 R)
• M8: 17,013,915 km (0.088 R)
• M9: 19,078,516 km (0.095 R)
• M10: 23,976,500 km (0.057 R)
• M11: 24,536,444 km (0.056 R)
• M12: 26,367,223 km (0.053 R)
• M13: 28,912,780 km (0.09 R)
• M14: 29,975,374 km (0.091 R)
• M15: 33,435,124 km (0.1 R)
• M16: 35,081,598 km (0.03 R)
• M17: 40,082,954 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.5

Radius: 11

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.9 AU - 9.82 AU

Year: 10407 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 67.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,204,028 km

• M1: 141,520 km (0.095 R)
• M2: 521,797 km (0.107 R)
• M3: 1,236,277 km (0.099 R)
• M4: 1,863,541 km (0.085 R)
• M5: 3,314,191 km (0.072 R)
• M6: 3,888,946 km (0.1 R)
• M7: 4,684,209 km (0.062 R)
• M8: 5,238,469 km (0.114 R)
• M9: 7,595,383 km (0.07 R)
• M10: 8,361,623 km (0.082 R)
• M11: 13,624,626 km (0.102 R)
• M12: 14,282,408 km (0.075 R)
• M13: 18,523,358 km (0.115 R)
• M14: 18,924,131 km (0.054 R)
• M15: 19,660,302 km (0.117 R)
• M16: 33,469,532 km (0.11 R)
• M17: 40,143,242 km (0.072 R)
• M18: 42,458,568 km (0.068 R)
• M19: 47,653,055 km (0.045 R)
• M20: 49,014,845 km (0.093 R)
• M21: 54,394,235 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.8

Radius: 8.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.18 AU - 10.2 AU

Year: 11822 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,204,028 km

• M1: 105,915 km (0.104 R)
• M2: 2,896,065 km (0.075 R)
• M3: 3,522,132 km (0.076 R)
• M4: 4,093,596 km (0.109 R)
• M5: 6,645,137 km (0.115 R)
• M6: 8,171,933 km (0.11 R)
• M7: 8,863,823 km (0.11 R)
• M8: 9,955,888 km (0.087 R)
• M9: 10,861,254 km (0.103 R)
• M10: 17,317,450 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.5

Radius: 9.9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.81 AU - 12.57 AU

Year: 12703 Days

Day: 13.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,204,028 km

• M1: 125,363 km (0.111 R)
• M2: 467,942 km (0.117 R)
• M3: 777,610 km (0.088 R)
• M4: 1,394,851 km (0.118 R)
• M5: 1,704,518 km (0.097 R)
• M6: 2,026,303 km (0.113 R)
• M7: 3,989,326 km (0.102 R)
• M8: 4,998,514 km (0.098 R)
• M9: 6,469,958 km (0.1 R)
• M10: 7,430,526 km (0.034 R)
• M11: 11,660,556 km (0.101 R)
• M12: 12,835,049 km (0.103 R)
• M13: 19,348,241 km (0.061 R)
• M14: 20,738,454 km (0.083 R)
• M15: 22,723,917 km (0.104 R)
• M16: 33,528,623 km (0.082 R)
• M17: 34,933,347 km (0.1 R)
• M18: 35,891,372 km (0.117 R)
• M19: 36,743,930 km (0.092 R)
• M20: 38,743,305 km (0.112 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 15,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit