🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.26 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731

Radius: 8.9

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.16 AU - 2.86 AU

Year: 2609 Days

Day: 9.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,326,134 km

• M1: 112,049 km (0.047 R)
• M2: 425,157 km (0.107 R)
• M3: 1,317,808 km (0.108 R)
• M4: 1,680,882 km (0.112 R)
• M5: 2,175,452 km (0.11 R)
• M6: 2,626,490 km (0.064 R)
• M7: 3,121,958 km (0.041 R)
• M8: 3,640,763 km (0.036 R)
• M9: 4,112,595 km (0.071 R)
• M10: 4,427,947 km (0.093 R)
• M11: 5,131,057 km (0.085 R)
• M12: 5,496,974 km (0.111 R)
• M13: 7,471,965 km (0.079 R)
• M14: 7,783,876 km (0.096 R)
• M15: 10,407,973 km (0.108 R)
• M16: 11,237,194 km (0.057 R)
• M17: 12,367,256 km (0.087 R)
• M18: 12,848,662 km (0.104 R)
• M19: 14,036,469 km (0.105 R)
• M20: 14,368,277 km (0.109 R)
• M21: 15,850,642 km (0.115 R)
• M22: 16,262,635 km (0.107 R)
• M23: 18,317,661 km (0.085 R)
• M24: 19,583,408 km (0.098 R)
• M25: 19,998,094 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.1

Radius: 12.4

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.35 AU - 4.85 AU

Year: 5446 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,326,134 km

• M1: 154,235 km (0.104 R)
• M2: 585,676 km (0.101 R)
• M3: 2,099,756 km (0.113 R)
• M4: 2,509,654 km (0.06 R)
• M5: 3,742,340 km (0.114 R)
• M6: 4,857,742 km (0.077 R)
• M7: 5,583,890 km (0.057 R)
• M8: 14,061,452 km (0.103 R)
• M9: 14,993,447 km (0.096 R)
• M10: 18,928,020 km (0.113 R)
• M11: 20,871,147 km (0.07 R)
• M12: 22,864,838 km (0.107 R)
• M13: 24,317,433 km (0.107 R)
• M14: 26,435,889 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.9

Radius: 12.3

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.56 AU - 6.28 AU

Year: 8278 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,326,134 km

• M1: 153,188 km (0.091 R)
• M2: 560,842 km (0.114 R)
• M3: 2,191,160 km (0.111 R)
• M4: 3,863,365 km (0.076 R)
• M5: 4,678,374 km (0.12 R)
• M6: 5,668,712 km (0.082 R)
• M7: 8,817,598 km (0.04 R)
• M8: 9,212,686 km (0.112 R)
• M9: 9,665,668 km (0.038 R)
• M10: 10,567,294 km (0.081 R)
• M11: 11,063,810 km (0.105 R)
• M12: 11,837,979 km (0.04 R)
• M13: 12,428,441 km (0.079 R)
• M14: 13,322,289 km (0.1 R)
• M15: 13,902,280 km (0.069 R)
• M16: 15,744,129 km (0.065 R)
• M17: 16,924,456 km (0.094 R)
• M18: 19,832,190 km (0.111 R)
• M19: 22,321,797 km (0.106 R)
• M20: 23,810,296 km (0.107 R)
• M21: 26,800,758 km (0.039 R)
• M22: 27,726,021 km (0.05 R)
• M23: 28,481,340 km (0.078 R)
• M24: 30,930,557 km (0.073 R)
• M25: 35,246,156 km (0.039 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.9

Radius: 4.5

Gravity: 44.83 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.1 AU - 8.38 AU

Year: 12780 Days

Day: 19.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,326,134 km

• M1: 55,950 km (0.077 R)
• M2: 978,220 km (0.103 R)
• M3: 1,261,858 km (0.096 R)
• M4: 1,505,254 km (0.041 R)
• M5: 1,695,393 km (0.064 R)
• M6: 1,883,736 km (0.072 R)
• M7: 2,048,144 km (0.092 R)
• M8: 2,666,732 km (0.108 R)
• M9: 2,827,549 km (0.096 R)
• M10: 3,019,184 km (0.104 R)
• M11: 5,478,274 km (0.116 R)
• M12: 6,611,627 km (0.081 R)
• M13: 7,433,817 km (0.12 R)
• M14: 11,110,933 km (0.111 R)
• M15: 11,833,042 km (0.063 R)
• M16: 12,143,009 km (0.118 R)
• M17: 15,472,459 km (0.105 R)
• M18: 19,707,126 km (0.09 R)
• M19: 25,568,520 km (0.1 R)
• M20: 30,483,409 km (0.058 R)
• M21: 37,565,970 km (0.113 R)
• M22: 47,202,317 km (0.093 R)
• M23: 56,420,538 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.1

Radius: 3

Gravity: 56.68 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.91 AU - 10.71 AU

Year: 20156 Days

Day: 23.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,326,134 km

• M1: 37,549 km (0.025 R)
• M2: 182,659 km (0.097 R)
• M3: 280,646 km (0.066 R)
• M4: 2,022,563 km (0.061 R)
• M5: 2,372,173 km (0.08 R)
• M6: 2,736,743 km (0.117 R)
• M7: 3,033,546 km (0.098 R)
• M8: 4,989,687 km (0.076 R)
• M9: 6,521,121 km (0.099 R)
• M10: 8,441,209 km (0.079 R)
• M11: 9,174,538 km (0.097 R)
• M12: 11,754,952 km (0.079 R)
• M13: 14,706,368 km (0.087 R)
• M14: 15,305,059 km (0.045 R)
• M15: 20,413,677 km (0.106 R)
• M16: 31,793,287 km (0.094 R)
• M17: 35,247,802 km (0.093 R)
• M18: 42,589,317 km (0.085 R)
• M19: 61,339,615 km (0.12 R)
• M20: 65,052,036 km (0.069 R)
• M21: 67,472,080 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 18,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit