🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.2

Radius: 13.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.87 AU - 1.41 AU

Year: 812 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,674,061 km

• M1: 176,525 km (0.07 R)
• M2: 615,146 km (0.032 R)
• M3: 1,078,451 km (0.095 R)
• M4: 1,658,741 km (0.102 R)
• M5: 2,105,740 km (0.114 R)
• M6: 2,683,187 km (0.091 R)
• M7: 3,218,000 km (0.086 R)
• M8: 4,337,740 km (0.073 R)
• M9: 4,867,915 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.1

Radius: 11.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.08 AU - 3.84 AU

Year: 4292 Days

Day: 6.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,674,061 km

• M1: 147,952 km (0.106 R)
• M2: 781,948 km (0.112 R)
• M3: 1,247,197 km (0.12 R)
• M4: 1,748,799 km (0.102 R)
• M5: 3,590,349 km (0.115 R)
• M6: 5,456,732 km (0.045 R)
• M7: 6,096,412 km (0.111 R)
• M8: 6,479,832 km (0.071 R)
• M9: 7,295,140 km (0.06 R)
• M10: 9,554,666 km (0.093 R)
• M11: 11,519,634 km (0.105 R)
• M12: 12,061,777 km (0.095 R)
• M13: 13,790,979 km (0.095 R)
• M14: 15,353,678 km (0.067 R)
• M15: 16,177,963 km (0.109 R)
• M16: 18,704,671 km (0.089 R)
• M17: 21,080,434 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.5

Radius: 15

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.21 AU - 4.57 AU

Year: 5116 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,674,061 km

• M1: 186,549 km (0.103 R)
• M2: 661,522 km (0.086 R)
• M3: 1,315,863 km (0.047 R)
• M4: 2,146,879 km (0.12 R)
• M5: 3,051,797 km (0.043 R)
• M6: 4,127,555 km (0.102 R)
• M7: 5,443,717 km (0.092 R)
• M8: 8,534,559 km (0.065 R)
• M9: 9,599,097 km (0.091 R)
• M10: 10,431,759 km (0.111 R)
• M11: 12,750,825 km (0.098 R)
• M12: 14,816,772 km (0.089 R)
• M13: 15,809,952 km (0.12 R)
• M14: 16,599,081 km (0.038 R)
• M15: 18,454,244 km (0.071 R)
• M16: 19,951,270 km (0.092 R)
• M17: 21,601,484 km (0.045 R)
• M18: 24,046,661 km (0.06 R)
• M19: 25,500,603 km (0.112 R)
• M20: 30,306,285 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.2

Radius: 13.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.95 AU - 4.95 AU

Year: 6260 Days

Day: 14.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,674,061 km

• M1: 183,257 km (0.103 R)
• M2: 727,644 km (0.077 R)
• M3: 1,187,059 km (0.105 R)
• M4: 1,627,625 km (0.115 R)
• M5: 2,089,733 km (0.089 R)
• M6: 2,570,989 km (0.111 R)
• M7: 3,166,538 km (0.068 R)
• M8: 4,111,548 km (0.094 R)
• M9: 5,013,324 km (0.106 R)
• M10: 5,556,065 km (0.065 R)
• M11: 6,726,219 km (0.034 R)
• M12: 7,903,256 km (0.063 R)
• M13: 9,551,824 km (0.1 R)
• M14: 10,756,237 km (0.043 R)
• M15: 11,371,233 km (0.109 R)
• M16: 13,091,310 km (0.104 R)
• M17: 13,903,028 km (0.041 R)
• M18: 14,863,147 km (0.115 R)
• M19: 18,541,310 km (0.095 R)
• M20: 20,055,988 km (0.038 R)
• M21: 21,875,697 km (0.064 R)
• M22: 22,404,376 km (0.07 R)
• M23: 25,342,178 km (0.085 R)
• M24: 26,432,597 km (0.07 R)
• M25: 29,159,168 km (0.104 R)
• M26: 29,707,893 km (0.095 R)
• M27: 30,637,494 km (0.09 R)
• M28: 32,653,026 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.9

Radius: 8.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.8 AU - 5.98 AU

Year: 7211 Days

Day: 7.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 27,674,061 km

• M1: 105,766 km (0.06 R)
• M2: 374,892 km (0.108 R)
• M3: 1,034,918 km (0.062 R)
• M4: 1,368,970 km (0.051 R)
• M5: 1,888,075 km (0.081 R)
• M6: 2,408,675 km (0.069 R)
• M7: 3,551,902 km (0.105 R)
• M8: 4,232,273 km (0.113 R)
• M9: 4,724,151 km (0.115 R)
• M10: 5,358,895 km (0.068 R)
• M11: 5,991,993 km (0.114 R)
• M12: 7,049,650 km (0.089 R)
• M13: 8,733,075 km (0.112 R)
• M14: 9,413,895 km (0.079 R)
• M15: 9,967,557 km (0.083 R)
• M16: 12,401,364 km (0.118 R)
• M17: 13,359,090 km (0.1 R)
• M18: 14,624,538 km (0.082 R)
• M19: 15,205,876 km (0.095 R)
• M20: 15,747,719 km (0.097 R)
• M21: 16,527,722 km (0.077 R)
• M22: 17,805,438 km (0.104 R)
• M23: 19,525,065 km (0.086 R)
• M24: 20,100,568 km (0.07 R)
• M25: 21,826,778 km (0.088 R)
• M26: 22,169,656 km (0.115 R)
• M27: 24,084,210 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.1

Radius: 3.9

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.11 AU - 11.25 AU

Year: 21660 Days

Day: 23 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,674,061 km

• M1: 77,791 km (0.119 R)
• M2: 201,658 km (0.082 R)
• M3: 435,180 km (0.119 R)
• M4: 988,094 km (0.105 R)
• M5: 1,528,741 km (0.108 R)
• M6: 2,260,274 km (0.117 R)
• M7: 2,990,461 km (0.117 R)
• M8: 3,713,019 km (0.117 R)
• M9: 5,522,705 km (0.056 R)
• M10: 5,897,148 km (0.108 R)
• M11: 6,989,063 km (0.113 R)
• M12: 8,811,763 km (0.049 R)
• M13: 10,883,843 km (0.059 R)
• M14: 11,985,033 km (0.059 R)
• M15: 16,016,397 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 13,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit