🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.7

Radius: 10

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1 AU - 1.32 AU

Year: 833 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 91 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,582,644 km

• M1: 125,363 km (0.104 R)
• M2: 741,407 km (0.072 R)
• M3: 1,193,492 km (0.078 R)
• M4: 1,690,007 km (0.095 R)
• M5: 2,678,699 km (0.065 R)
• M6: 3,363,708 km (0.103 R)
• M7: 3,778,543 km (0.078 R)
• M8: 4,430,640 km (0.12 R)
• M9: 5,175,189 km (0.091 R)
• M10: 5,750,542 km (0.054 R)
• M11: 6,150,268 km (0.034 R)
• M12: 6,796,231 km (0.028 R)
• M13: 7,267,614 km (0.115 R)
• M14: 8,979,612 km (0.117 R)
• M15: 9,989,248 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 9.4

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.15 AU - 1.25 AU

Year: 877 Days

Day: 12.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,582,644 km

• M1: 185,651 km (0.088 R)
• M2: 651,648 km (0.11 R)
• M3: 986,149 km (0.113 R)
• M4: 1,655,600 km (0.097 R)
• M5: 2,685,132 km (0.106 R)
• M6: 3,888,647 km (0.094 R)
• M7: 4,572,908 km (0.106 R)
• M8: 4,896,488 km (0.095 R)
• M9: 5,538,562 km (0.052 R)
• M10: 5,871,118 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195

Radius: 8.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.83 AU - 2.67 AU

Year: 2251 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,582,644 km

• M1: 111,899 km (0.068 R)
• M2: 416,480 km (0.06 R)
• M3: 720,015 km (0.09 R)
• M4: 1,272,629 km (0.11 R)
• M5: 1,590,076 km (0.115 R)
• M6: 2,043,806 km (0.104 R)
• M7: 2,669,724 km (0.093 R)
• M8: 3,463,340 km (0.114 R)
• M9: 4,194,575 km (0.09 R)
• M10: 4,478,063 km (0.067 R)
• M11: 4,927,604 km (0.096 R)
• M12: 5,722,119 km (0.107 R)
• M13: 6,005,307 km (0.084 R)
• M14: 6,886,888 km (0.088 R)
• M15: 8,535,007 km (0.076 R)
• M16: 10,270,941 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.2

Radius: 12.6

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.4 AU - 3.42 AU

Year: 3310 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,582,644 km

• M1: 156,779 km (0.105 R)
• M2: 634,445 km (0.028 R)
• M3: 1,289,234 km (0.105 R)
• M4: 2,289,147 km (0.071 R)
• M5: 2,964,880 km (0.091 R)
• M6: 3,770,315 km (0.089 R)
• M7: 4,235,265 km (0.114 R)
• M8: 4,804,036 km (0.105 R)
• M9: 5,840,450 km (0.087 R)
• M10: 7,397,764 km (0.103 R)
• M11: 7,850,148 km (0.094 R)
• M12: 8,514,662 km (0.117 R)
• M13: 9,147,910 km (0.059 R)
• M14: 9,920,284 km (0.095 R)
• M15: 12,754,565 km (0.069 R)
• M16: 13,629,114 km (0.09 R)
• M17: 15,207,072 km (0.09 R)
• M18: 15,990,516 km (0.116 R)
• M19: 17,744,551 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.6

Radius: 13.4

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.63 AU - 3.67 AU

Year: 3728 Days

Day: 10.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,582,644 km

• M1: 166,652 km (0.111 R)
• M2: 738,116 km (0.065 R)
• M3: 1,247,796 km (0.116 R)
• M4: 2,053,829 km (0.056 R)
• M5: 3,520,487 km (0.106 R)
• M6: 4,364,817 km (0.077 R)
• M7: 5,225,154 km (0.034 R)
• M8: 6,169,865 km (0.099 R)
• M9: 6,888,384 km (0.094 R)
• M10: 7,691,874 km (0.111 R)
• M11: 9,079,843 km (0.085 R)
• M12: 9,554,816 km (0.072 R)
• M13: 11,981,892 km (0.111 R)
• M14: 13,144,567 km (0.119 R)
• M15: 14,381,143 km (0.101 R)
• M16: 15,310,893 km (0.119 R)
• M17: 16,983,098 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.3

Radius: 3

Gravity: 67.59 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 8.38 AU - 13.42 AU

Year: 23998 Days

Day: 20 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,582,644 km

• M1: 37,250 km (0.036 R)
• M2: 138,378 km (0.077 R)
• M3: 630,705 km (0.119 R)
• M4: 916,287 km (0.094 R)
• M5: 1,041,650 km (0.115 R)
• M6: 1,192,744 km (0.116 R)
• M7: 1,389,914 km (0.086 R)
• M8: 1,716,785 km (0.107 R)
• M9: 1,928,167 km (0.085 R)
• M10: 2,310,838 km (0.104 R)
• M11: 3,456,459 km (0.102 R)
• M12: 6,152,960 km (0.091 R)
• M13: 6,831,836 km (0.042 R)
• M14: 7,213,609 km (0.114 R)
• M15: 9,571,421 km (0.119 R)
• M16: 14,611,374 km (0.091 R)
• M17: 17,250,280 km (0.085 R)
• M18: 17,867,072 km (0.103 R)
• M19: 18,407,420 km (0.1 R)
• M20: 21,676,133 km (0.093 R)
• M21: 22,393,904 km (0.119 R)
• M22: 27,390,622 km (0.105 R)
• M23: 31,493,493 km (0.115 R)
• M24: 36,129,831 km (0.073 R)
• M25: 46,725,698 km (0.057 R)
• M26: 54,581,382 km (0.11 R)
• M27: 57,837,828 km (0.119 R)
• M28: 76,310,023 km (0.051 R)
• M29: 77,966,371 km (0.193 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 17,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit