🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.4

Radius: 9.7

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.56 AU - 0.88 AU

Year: 422 Days

Day: 7.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,450,665 km

• M1: 120,576 km (0.062 R)
• M2: 501,153 km (0.052 R)
• M3: 872,604 km (0.116 R)
• M4: 1,209,948 km (0.059 R)
• M5: 1,635,554 km (0.097 R)
• M6: 2,414,210 km (0.092 R)
• M7: 2,761,128 km (0.047 R)
• M8: 4,116,784 km (0.087 R)
• M9: 4,556,153 km (0.059 R)
• M10: 5,201,368 km (0.092 R)
• M11: 5,976,585 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.9

Radius: 9.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.64 AU - 1 AU

Year: 513 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 20,450,665 km

• M1: 118,182 km (0.091 R)
• M2: 415,882 km (0.069 R)
• M3: 733,927 km (0.086 R)
• M4: 2,265,361 km (0.076 R)
• M5: 2,879,011 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.7

Radius: 10.1

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.74 AU - 1.22 AU

Year: 670 Days

Day: 7.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,450,665 km

• M1: 125,812 km (0.119 R)
• M2: 590,164 km (0.079 R)
• M3: 943,065 km (0.06 R)
• M4: 1,321,398 km (0.108 R)
• M5: 1,809,985 km (0.089 R)
• M6: 2,992,406 km (0.066 R)
• M7: 3,973,619 km (0.027 R)
• M8: 4,402,516 km (0.096 R)
• M9: 4,777,857 km (0.089 R)
• M10: 5,800,957 km (0.057 R)
• M11: 6,920,846 km (0.074 R)
• M12: 7,635,625 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.8

Radius: 11.4

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.51 AU - 1.77 AU

Year: 1450 Days

Day: 7.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,450,665 km

• M1: 141,819 km (0.079 R)
• M2: 733,478 km (0.111 R)
• M3: 1,101,040 km (0.104 R)
• M4: 1,507,498 km (0.11 R)
• M5: 2,790,898 km (0.102 R)
• M6: 4,017,002 km (0.096 R)
• M7: 4,948,249 km (0.029 R)
• M8: 6,227,909 km (0.085 R)
• M9: 8,193,775 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.6

Radius: 9.7

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.11 AU - 2.79 AU

Year: 2647 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,450,665 km

• M1: 128,804 km (0.068 R)
• M2: 487,240 km (0.038 R)
• M3: 954,584 km (0.078 R)
• M4: 1,489,696 km (0.072 R)
• M5: 1,800,859 km (0.071 R)
• M6: 2,264,014 km (0.11 R)
• M7: 2,584,303 km (0.062 R)
• M8: 3,023,971 km (0.076 R)
• M9: 3,681,903 km (0.048 R)
• M10: 4,316,347 km (0.104 R)
• M11: 4,792,517 km (0.093 R)
• M12: 5,303,245 km (0.115 R)
• M13: 6,284,307 km (0.098 R)
• M14: 7,217,798 km (0.103 R)
• M15: 7,746,327 km (0.083 R)
• M16: 10,714,499 km (0.12 R)
• M17: 11,145,939 km (0.106 R)
• M18: 12,043,526 km (0.049 R)
• M19: 13,314,210 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.5

Radius: 14

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3 AU - 3.38 AU

Year: 3933 Days

Day: 12.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,450,665 km

• M1: 174,132 km (0.096 R)
• M2: 651,200 km (0.113 R)
• M3: 1,124,677 km (0.11 R)
• M4: 1,961,527 km (0.097 R)
• M5: 2,734,200 km (0.043 R)
• M6: 3,571,799 km (0.111 R)
• M7: 4,043,032 km (0.109 R)
• M8: 5,195,085 km (0.106 R)
• M9: 5,916,596 km (0.117 R)
• M10: 6,804,010 km (0.075 R)
• M11: 8,085,765 km (0.112 R)
• M12: 9,907,418 km (0.102 R)
• M13: 12,063,273 km (0.087 R)

Asteroid Belt

Center: 5.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.4

Radius: 5.6

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.12 AU - 8.24 AU

Year: 16149 Days

Day: 23.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,450,665 km

• M1: 69,713 km (0.115 R)
• M2: 275,110 km (0.111 R)
• M3: 479,760 km (0.107 R)
• M4: 682,765 km (0.082 R)
• M5: 913,893 km (0.117 R)
• M6: 1,678,787 km (0.088 R)
• M7: 2,366,190 km (0.068 R)
• M8: 2,556,628 km (0.105 R)
• M9: 3,103,857 km (0.103 R)
• M10: 4,493,920 km (0.058 R)
• M11: 5,437,434 km (0.098 R)
• M12: 6,254,537 km (0.089 R)
• M13: 6,852,630 km (0.106 R)
• M14: 7,613,634 km (0.116 R)
• M15: 10,271,689 km (0.099 R)
• M16: 11,935,068 km (0.057 R)
• M17: 12,674,680 km (0.111 R)
• M18: 13,958,678 km (0.109 R)
• M19: 14,927,474 km (0.093 R)
• M20: 20,025,620 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 18,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit