🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.3

Radius: 14.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.08 AU - 1.4 AU

Year: 921 Days

Day: 14.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,461,914 km

• M1: 184,155 km (0.081 R)
• M2: 679,025 km (0.05 R)
• M3: 1,347,877 km (0.115 R)
• M4: 1,912,310 km (0.112 R)
• M5: 2,533,739 km (0.104 R)
• M6: 4,666,107 km (0.096 R)
• M7: 5,400,782 km (0.05 R)
• M8: 5,946,067 km (0.083 R)
• M9: 7,057,130 km (0.092 R)
• M10: 8,277,400 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656

Radius: 14.2

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.23 AU - 1.59 AU

Year: 1116 Days

Day: 9.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,461,914 km

• M1: 177,124 km (0.096 R)
• M2: 687,851 km (0.059 R)
• M3: 1,191,846 km (0.091 R)
• M4: 1,709,604 km (0.087 R)
• M5: 2,193,703 km (0.107 R)
• M6: 3,565,665 km (0.085 R)
• M7: 4,116,335 km (0.078 R)
• M8: 4,945,556 km (0.078 R)
• M9: 5,715,835 km (0.081 R)
• M10: 7,249,662 km (0.076 R)
• M11: 8,192,279 km (0.081 R)
• M12: 8,902,270 km (0.113 R)
• M13: 10,290,090 km (0.116 R)
• M14: 10,890,426 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.7

Radius: 8.5

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.11 AU - 2.49 AU

Year: 2326 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,461,914 km

• M1: 105,766 km (0.095 R)
• M2: 382,223 km (0.081 R)
• M3: 892,351 km (0.096 R)
• M4: 1,336,059 km (0.048 R)
• M5: 2,900,553 km (0.117 R)
• M6: 3,178,955 km (0.112 R)
• M7: 3,898,670 km (0.115 R)
• M8: 4,297,348 km (0.117 R)
• M9: 4,956,925 km (0.118 R)
• M10: 5,494,580 km (0.081 R)
• M11: 6,220,878 km (0.071 R)
• M12: 6,954,955 km (0.096 R)
• M13: 7,428,133 km (0.074 R)
• M14: 8,501,049 km (0.091 R)
• M15: 8,784,686 km (0.029 R)
• M16: 11,212,211 km (0.071 R)
• M17: 11,941,201 km (0.102 R)
• M18: 12,865,716 km (0.109 R)
• M19: 15,268,856 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851

Radius: 11.9

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.27 AU - 2.33 AU

Year: 2326 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,461,914 km

• M1: 147,952 km (0.109 R)
• M2: 537,206 km (0.085 R)
• M3: 956,080 km (0.089 R)
• M4: 1,784,403 km (0.071 R)
• M5: 2,465,523 km (0.052 R)
• M6: 3,043,718 km (0.027 R)
• M7: 3,508,369 km (0.085 R)
• M8: 4,059,937 km (0.069 R)
• M9: 4,713,081 km (0.091 R)
• M10: 5,632,958 km (0.095 R)
• M11: 6,446,621 km (0.108 R)
• M12: 6,925,185 km (0.079 R)
• M13: 7,397,166 km (0.088 R)
• M14: 8,671,889 km (0.087 R)
• M15: 9,326,380 km (0.114 R)
• M16: 10,162,483 km (0.116 R)
• M17: 10,579,711 km (0.103 R)
• M18: 11,489,266 km (0.084 R)
• M19: 14,964,574 km (0.026 R)
• M20: 15,505,371 km (0.096 R)
• M21: 16,730,727 km (0.03 R)
• M22: 18,129,766 km (0.108 R)
• M23: 19,431,267 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.3

Radius: 13.5

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.57 AU - 4.05 AU

Year: 4016 Days

Day: 11 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,461,914 km

• M1: 167,849 km (0.077 R)
• M2: 632,051 km (0.063 R)
• M3: 1,424,022 km (0.093 R)
• M4: 2,166,327 km (0.093 R)
• M5: 6,371,523 km (0.104 R)
• M6: 8,750,129 km (0.086 R)
• M7: 9,813,172 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205

Radius: 5.3

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.86 AU - 7.26 AU

Year: 11204 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,461,914 km

• M1: 77,791 km (0.082 R)
• M2: 250,876 km (0.107 R)
• M3: 631,602 km (0.119 R)
• M4: 882,029 km (0.092 R)
• M5: 1,064,688 km (0.101 R)
• M6: 2,051,286 km (0.077 R)
• M7: 2,497,686 km (0.077 R)
• M8: 2,791,496 km (0.095 R)
• M9: 3,046,860 km (0.09 R)
• M10: 4,947,950 km (0.07 R)
• M11: 5,872,165 km (0.09 R)
• M12: 7,522,379 km (0.079 R)
• M13: 9,811,227 km (0.067 R)
• M14: 10,035,773 km (0.046 R)
• M15: 10,263,760 km (0.085 R)
• M16: 13,004,543 km (0.046 R)
• M17: 15,160,099 km (0.088 R)
• M18: 18,141,285 km (0.053 R)
• M19: 20,599,776 km (0.07 R)
• M20: 21,718,170 km (0.104 R)
• M21: 23,590,986 km (0.1 R)
• M22: 24,566,514 km (0.115 R)
• M23: 28,102,708 km (0.098 R)
• M24: 32,457,352 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.4

Radius: 7.2

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.49 AU - 12.49 AU

Year: 21056 Days

Day: 24.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,461,914 km

• M1: 298,747 km (0.051 R)
• M2: 1,407,267 km (0.083 R)
• M3: 2,053,680 km (0.084 R)
• M4: 3,981,697 km (0.115 R)
• M5: 4,519,501 km (0.072 R)
• M6: 10,261,068 km (0.093 R)
• M7: 14,456,540 km (0.078 R)
• M8: 15,318,373 km (0.08 R)
• M9: 17,753,976 km (0.08 R)
• M10: 18,468,904 km (0.09 R)
• M11: 25,226,689 km (0.107 R)
• M12: 26,129,811 km (0.108 R)
• M13: 28,968,132 km (0.069 R)
• M14: 34,418,581 km (0.113 R)
• M15: 36,662,698 km (0.062 R)
• M16: 41,908,647 km (0.091 R)
• M17: 54,415,926 km (0.11 R)
• M18: 54,789,771 km (0.109 R)
• M19: 56,302,206 km (0.072 R)
• M20: 58,036,644 km (0.083 R)
• M21: 63,453,283 km (0.053 R)
• M22: 65,965,181 km (0.114 R)
• M23: 67,460,711 km (0.085 R)
• M24: 74,355,976 km (0.106 R)
• M25: 75,278,397 km (0.06 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: 405 - 14,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit