🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 13.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.59 AU - 0.67 AU

Year: 333 Days

Day: 14.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,097,006 km

• M1: 166,652 km (0.102 R)
• M2: 652,696 km (0.111 R)
• M3: 1,089,072 km (0.113 R)
• M4: 1,627,774 km (0.055 R)
• M5: 2,072,678 km (0.069 R)
• M6: 2,537,629 km (0.086 R)
• M7: 2,968,620 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.4

Radius: 11.7

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.36 AU - 1.38 AU

Year: 1069 Days

Day: 13.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,097,006 km

• M1: 145,559 km (0.092 R)
• M2: 598,840 km (0.088 R)
• M3: 1,002,007 km (0.096 R)
• M4: 1,720,974 km (0.072 R)
• M5: 2,276,132 km (0.078 R)
• M6: 3,036,238 km (0.062 R)
• M7: 4,151,640 km (0.067 R)

Asteroid Belt

Center: 1.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379

Radius: 9.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.57 AU - 2.25 AU

Year: 1760 Days

Day: 11.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,097,006 km

• M1: 120,576 km (0.094 R)
• M2: 434,881 km (0.048 R)
• M3: 835,504 km (0.092 R)
• M4: 1,273,527 km (0.106 R)
• M5: 1,659,639 km (0.116 R)
• M6: 2,112,771 km (0.087 R)
• M7: 2,447,421 km (0.1 R)
• M8: 3,151,878 km (0.103 R)
• M9: 3,801,581 km (0.032 R)
• M10: 4,390,997 km (0.045 R)
• M11: 5,059,998 km (0.081 R)
• M12: 6,410,418 km (0.116 R)
• M13: 7,271,504 km (0.113 R)
• M14: 7,690,079 km (0.12 R)
• M15: 8,575,399 km (0.045 R)
• M16: 10,092,620 km (0.115 R)
• M17: 10,847,641 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.3

Radius: 8.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.86 AU - 2.26 AU

Year: 1972 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,097,006 km

• M1: 105,167 km (0.102 R)
• M2: 393,293 km (0.114 R)
• M3: 794,664 km (0.063 R)
• M4: 1,111,063 km (0.115 R)
• M5: 1,776,924 km (0.119 R)
• M6: 2,062,057 km (0.087 R)
• M7: 2,503,072 km (0.101 R)
• M8: 2,849,690 km (0.085 R)
• M9: 3,304,767 km (0.092 R)
• M10: 3,723,192 km (0.119 R)
• M11: 4,454,426 km (0.094 R)
• M12: 5,047,731 km (0.066 R)
• M13: 6,587,093 km (0.041 R)
• M14: 7,068,051 km (0.117 R)
• M15: 7,930,782 km (0.077 R)
• M16: 9,291,673 km (0.116 R)
• M17: 10,192,552 km (0.076 R)
• M18: 10,562,058 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.3

Radius: 12.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.04 AU - 2.18 AU

Year: 2044 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,097,006 km

• M1: 155,133 km (0.118 R)
• M2: 989,440 km (0.069 R)
• M3: 1,408,165 km (0.081 R)
• M4: 2,392,519 km (0.11 R)
• M5: 2,797,181 km (0.115 R)
• M6: 3,820,430 km (0.098 R)
• M7: 4,329,662 km (0.031 R)
• M8: 4,745,244 km (0.098 R)
• M9: 6,013,086 km (0.053 R)
• M10: 8,941,315 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 12.7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.48 AU - 3.56 AU

Year: 4404 Days

Day: 13 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,097,006 km

• M1: 157,975 km (0.115 R)
• M2: 655,239 km (0.083 R)
• M3: 1,212,640 km (0.108 R)
• M4: 1,634,058 km (0.106 R)
• M5: 2,374,567 km (0.087 R)
• M6: 2,800,771 km (0.05 R)
• M7: 3,311,947 km (0.098 R)
• M8: 4,116,933 km (0.115 R)
• M9: 4,891,402 km (0.087 R)
• M10: 5,492,037 km (0.099 R)
• M11: 7,010,455 km (0.104 R)
• M12: 7,594,186 km (0.081 R)
• M13: 8,053,153 km (0.116 R)
• M14: 8,660,969 km (0.106 R)
• M15: 9,612,411 km (0.12 R)
• M16: 10,975,248 km (0.092 R)
• M17: 13,409,056 km (0.086 R)
• M18: 14,126,826 km (0.11 R)
• M19: 14,541,811 km (0.092 R)
• M20: 15,251,353 km (0.115 R)
• M21: 16,842,327 km (0.083 R)
• M22: 17,414,090 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.9

Radius: 8.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.07 AU - 4.41 AU

Year: 4823 Days

Day: 8.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,097,006 km

• M1: 103,522 km (0.108 R)
• M2: 565,779 km (0.08 R)
• M3: 902,524 km (0.098 R)
• M4: 1,216,231 km (0.044 R)
• M5: 1,803,702 km (0.105 R)
• M6: 2,907,285 km (0.087 R)
• M7: 3,411,579 km (0.112 R)
• M8: 3,897,174 km (0.116 R)
• M9: 4,510,675 km (0.095 R)
• M10: 6,339,359 km (0.081 R)
• M11: 6,686,277 km (0.107 R)
• M12: 7,158,857 km (0.081 R)
• M13: 7,773,405 km (0.063 R)
• M14: 9,515,023 km (0.116 R)
• M15: 10,006,003 km (0.072 R)
• M16: 13,795,168 km (0.038 R)
• M17: 14,885,138 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.9

Radius: 4

Gravity: 55.74 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.5 AU - 11.9 AU

Year: 23340 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 92,097,006 km

• M1: 49,816 km (0.067 R)
• M2: 197,170 km (0.119 R)
• M3: 642,074 km (0.115 R)
• M4: 775,067 km (0.073 R)
• M5: 1,098,198 km (0.078 R)
• M6: 1,594,115 km (0.111 R)
• M7: 1,724,265 km (0.098 R)
• M8: 1,922,632 km (0.07 R)
• M9: 4,064,275 km (0.107 R)
• M10: 6,393,663 km (0.065 R)
• M11: 6,533,986 km (0.095 R)
• M12: 7,317,281 km (0.101 R)
• M13: 11,146,388 km (0.114 R)
• M14: 13,831,221 km (0.063 R)
• M15: 14,144,927 km (0.12 R)
• M16: 15,447,775 km (0.084 R)
• M17: 16,042,128 km (0.088 R)
• M18: 31,757,384 km (0.052 R)
• M19: 33,695,424 km (0.098 R)
• M20: 34,549,479 km (0.11 R)
• M21: 35,272,336 km (0.104 R)
• M22: 36,897,716 km (0.1 R)
• M23: 38,572,315 km (0.068 R)
• M24: 39,821,607 km (0.115 R)
• M25: 40,776,191 km (0.091 R)
• M26: 50,616,140 km (0.088 R)
• M27: 59,006,337 km (0.08 R)
• M28: 72,664,772 km (0.082 R)
• M29: 74,327,702 km (0.09 R)
• M30: 88,822,838 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 19,571 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit