🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655

Radius: 14.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.51 AU - 0.57 AU

Year: 269 Days

Day: 11 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,293,623 km

• M1: 179,069 km (0.071 R)
• M2: 631,153 km (0.107 R)
• M3: 1,133,204 km (0.042 R)
• M4: 1,590,375 km (0.096 R)
• M5: 2,040,665 km (0.052 R)
• M6: 2,621,104 km (0.1 R)
• M7: 4,013,860 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.9

Radius: 10.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1 AU - 1.18 AU

Year: 772 Days

Day: 6.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,293,623 km

• M1: 136,433 km (0.097 R)
• M2: 626,965 km (0.081 R)
• M3: 1,321,248 km (0.037 R)
• M4: 1,830,180 km (0.102 R)
• M5: 2,335,522 km (0.118 R)
• M6: 3,333,639 km (0.05 R)
• M7: 3,868,302 km (0.107 R)
• M8: 4,568,121 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.3

Radius: 10.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.64 AU - 2.82 AU

Year: 3059 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,293,623 km

• M1: 127,158 km (0.116 R)
• M2: 782,995 km (0.106 R)
• M3: 1,312,871 km (0.114 R)
• M4: 1,797,418 km (0.101 R)
• M5: 2,285,556 km (0.076 R)
• M6: 3,037,585 km (0.072 R)
• M7: 4,900,826 km (0.088 R)
• M8: 5,243,705 km (0.108 R)
• M9: 6,445,574 km (0.085 R)
• M10: 6,779,476 km (0.082 R)
• M11: 7,097,821 km (0.119 R)
• M12: 8,262,290 km (0.106 R)
• M13: 9,549,430 km (0.098 R)
• M14: 11,074,730 km (0.025 R)
• M15: 11,743,283 km (0.105 R)
• M16: 12,716,268 km (0.119 R)
• M17: 14,081,797 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.7

Radius: 10.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.87 AU - 3.05 AU

Year: 3454 Days

Day: 9.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,293,623 km

• M1: 128,056 km (0.101 R)
• M2: 521,049 km (0.114 R)
• M3: 1,539,362 km (0.117 R)
• M4: 3,422,051 km (0.077 R)
• M5: 5,455,834 km (0.108 R)
• M6: 6,114,065 km (0.058 R)
• M7: 7,299,030 km (0.056 R)
• M8: 8,922,316 km (0.088 R)
• M9: 10,082,747 km (0.048 R)
• M10: 10,552,185 km (0.075 R)
• M11: 11,149,828 km (0.091 R)
• M12: 11,573,639 km (0.101 R)
• M13: 13,594,108 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.7

Radius: 12.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.59 AU - 4.81 AU

Year: 6911 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,293,623 km

• M1: 151,692 km (0.096 R)
• M2: 741,257 km (0.032 R)
• M3: 1,133,802 km (0.086 R)
• M4: 1,527,993 km (0.053 R)
• M5: 2,757,388 km (0.097 R)
• M6: 6,975,450 km (0.069 R)
• M7: 8,499,702 km (0.079 R)
• M8: 10,570,735 km (0.056 R)
• M9: 11,162,245 km (0.112 R)
• M10: 13,351,460 km (0.112 R)
• M11: 17,727,348 km (0.102 R)
• M12: 18,704,820 km (0.074 R)
• M13: 19,791,649 km (0.072 R)
• M14: 22,895,505 km (0.076 R)
• M15: 25,954,483 km (0.071 R)
• M16: 28,893,632 km (0.092 R)
• M17: 31,641,745 km (0.089 R)
• M18: 35,863,247 km (0.112 R)
• M19: 36,305,010 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.1

Radius: 13.8

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.72 AU - 6.48 AU

Year: 8988 Days

Day: 5.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,293,623 km

• M1: 171,589 km (0.065 R)
• M2: 828,024 km (0.05 R)
• M3: 1,325,886 km (0.089 R)
• M4: 1,877,902 km (0.061 R)
• M5: 3,347,701 km (0.062 R)
• M6: 3,881,167 km (0.1 R)
• M7: 5,180,125 km (0.073 R)
• M8: 5,736,181 km (0.096 R)
• M9: 7,923,900 km (0.06 R)
• M10: 8,878,035 km (0.097 R)
• M11: 9,450,397 km (0.086 R)
• M12: 11,885,401 km (0.085 R)
• M13: 13,248,387 km (0.08 R)
• M14: 14,055,767 km (0.08 R)
• M15: 14,895,909 km (0.093 R)
• M16: 22,059,403 km (0.079 R)
• M17: 25,579,890 km (0.086 R)
• M18: 28,313,043 km (0.082 R)
• M19: 28,882,113 km (0.097 R)
• M20: 34,784,198 km (0.071 R)
• M21: 37,673,381 km (0.088 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 10,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit