🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.48 AU - 1.6 AU

Year: 853 Days

Day: 13.6 Hours

Environment

Temp: -104 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.36 AU - 2.26 AU

Year: 1087 Days

Day: 17.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.4

Radius: 12.1

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.18 AU - 3.66 AU

Year: 2822 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,051,921 km

• M1: 150,795 km (0.038 R)
• M2: 537,954 km (0.087 R)
• M3: 1,009,486 km (0.05 R)
• M4: 1,389,315 km (0.086 R)
• M5: 1,977,983 km (0.079 R)
• M6: 2,425,131 km (0.103 R)
• M7: 3,396,171 km (0.109 R)
• M8: 3,981,398 km (0.067 R)
• M9: 5,033,220 km (0.096 R)
• M10: 5,822,948 km (0.112 R)
• M11: 6,289,992 km (0.114 R)
• M12: 6,871,629 km (0.096 R)
• M13: 7,425,440 km (0.088 R)
• M14: 7,843,865 km (0.081 R)
• M15: 8,449,138 km (0.049 R)
• M16: 8,941,315 km (0.036 R)
• M17: 11,524,721 km (0.058 R)
• M18: 14,470,752 km (0.093 R)
• M19: 16,931,188 km (0.071 R)
• M20: 18,699,135 km (0.076 R)
• M21: 19,294,984 km (0.09 R)
• M22: 19,719,393 km (0.116 R)
• M23: 20,150,235 km (0.083 R)
• M24: 20,713,172 km (0.102 R)
• M25: 22,002,107 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.2

Radius: 14.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.05 AU - 5.77 AU

Year: 5615 Days

Day: 6.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 92,051,921 km

• M1: 183,257 km (0.119 R)
• M2: 699,819 km (0.116 R)
• M3: 1,299,258 km (0.045 R)
• M4: 2,226,166 km (0.118 R)
• M5: 2,721,335 km (0.103 R)
• M6: 3,939,062 km (0.101 R)
• M7: 4,620,480 km (0.096 R)
• M8: 5,127,018 km (0.083 R)
• M9: 5,730,047 km (0.073 R)
• M10: 6,221,027 km (0.097 R)
• M11: 6,773,492 km (0.042 R)
• M12: 8,319,287 km (0.102 R)
• M13: 9,445,610 km (0.092 R)
• M14: 10,535,280 km (0.109 R)
• M15: 11,951,523 km (0.099 R)
• M16: 13,491,484 km (0.089 R)
• M17: 14,198,484 km (0.104 R)
• M18: 15,451,216 km (0.059 R)
• M19: 18,045,692 km (0.089 R)
• M20: 18,704,072 km (0.078 R)
• M21: 20,138,716 km (0.075 R)
• M22: 21,572,013 km (0.085 R)
• M23: 31,919,548 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.9

Radius: 8.9

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.01 AU - 9.81 AU

Year: 9927 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 92,051,921 km

• M1: 110,702 km (0.11 R)
• M2: 479,461 km (0.108 R)
• M3: 884,123 km (0.096 R)
• M4: 1,342,940 km (0.034 R)
• M5: 2,121,298 km (0.089 R)
• M6: 2,620,506 km (0.086 R)
• M7: 3,853,342 km (0.115 R)
• M8: 5,305,339 km (0.039 R)
• M9: 5,977,632 km (0.101 R)
• M10: 6,630,327 km (0.095 R)
• M11: 9,198,923 km (0.082 R)
• M12: 9,724,011 km (0.112 R)
• M13: 14,038,414 km (0.079 R)
• M14: 15,991,264 km (0.113 R)
• M15: 18,118,696 km (0.099 R)
• M16: 20,188,681 km (0.096 R)
• M17: 21,239,606 km (0.098 R)
• M18: 22,241,613 km (0.086 R)
• M19: 25,159,220 km (0.11 R)
• M20: 25,715,874 km (0.115 R)
• M21: 28,123,951 km (0.048 R)
• M22: 28,723,539 km (0.098 R)
• M23: 30,573,317 km (0.089 R)
• M24: 36,479,441 km (0.11 R)
• M25: 38,769,485 km (0.108 R)
• M26: 43,103,634 km (0.092 R)
• M27: 45,523,829 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.5

Radius: 13

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.91 AU - 9.41 AU

Year: 11372 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 92,051,921 km

• M1: 161,715 km (0.063 R)
• M2: 726,298 km (0.103 R)
• M3: 1,183,170 km (0.113 R)
• M4: 2,035,429 km (0.067 R)
• M5: 2,533,290 km (0.062 R)
• M6: 3,681,005 km (0.065 R)
• M7: 5,029,181 km (0.057 R)
• M8: 5,783,154 km (0.113 R)
• M9: 6,647,531 km (0.096 R)
• M10: 7,516,994 km (0.08 R)
• M11: 8,124,062 km (0.059 R)
• M12: 9,668,361 km (0.059 R)
• M13: 10,338,110 km (0.068 R)
• M14: 10,987,515 km (0.101 R)
• M15: 11,400,555 km (0.089 R)
• M16: 12,815,152 km (0.084 R)
• M17: 16,455,018 km (0.098 R)
• M18: 17,410,499 km (0.101 R)
• M19: 18,839,309 km (0.085 R)
• M20: 21,767,238 km (0.096 R)
• M21: 35,507,503 km (0.092 R)
• M22: 38,269,379 km (0.041 R)
• M23: 39,221,121 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.2

Radius: 6.1

Gravity: 18.68 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 14.32 AU - 16.06 AU

Year: 26417 Days

Day: 24.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 92,051,921 km

• M1: 80,932 km (0.086 R)
• M2: 939,923 km (0.095 R)
• M3: 1,967,810 km (0.072 R)
• M4: 3,533,801 km (0.093 R)
• M5: 4,260,697 km (0.041 R)
• M6: 4,585,324 km (0.047 R)
• M7: 5,744,409 km (0.101 R)
• M8: 7,542,725 km (0.111 R)
• M9: 8,018,147 km (0.067 R)
• M10: 10,963,130 km (0.109 R)
• M11: 11,572,891 km (0.084 R)
• M12: 16,228,377 km (0.082 R)
• M13: 22,964,919 km (0.06 R)
• M14: 23,737,592 km (0.098 R)
• M15: 25,568,670 km (0.116 R)
• M16: 26,278,960 km (0.082 R)
• M17: 30,159,679 km (0.108 R)
• M18: 43,891,417 km (0.076 R)
• M19: 45,251,710 km (0.118 R)
• M20: 46,464,799 km (0.095 R)
• M21: 48,774,890 km (0.099 R)
• M22: 55,372,904 km (0.114 R)
• M23: 58,577,739 km (0.047 R)
• M24: 60,642,339 km (0.054 R)
• M25: 65,794,340 km (0.102 R)
• M26: 75,498,605 km (0.064 R)
• M27: 82,471,810 km (0.109 R)
• M28: 83,243,436 km (0.116 R)
• M29: 84,019,999 km (0.096 R)
• M30: 88,242,698 km (0.116 R)
• M31: 90,679,198 km (0.067 R)
• M32: 90,952,663 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 12,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit