🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.5 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.6

Radius: 12.7

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.64 AU - 3.36 AU

Year: 3355 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 132.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,196,476 km

• M1: 157,975 km (0.048 R)
• M2: 585,077 km (0.071 R)
• M3: 1,017,565 km (0.085 R)
• M4: 1,673,252 km (0.091 R)
• M5: 2,261,770 km (0.107 R)
• M6: 2,826,203 km (0.104 R)
• M7: 3,393,927 km (0.119 R)
• M8: 3,859,027 km (0.115 R)
• M9: 4,324,575 km (0.038 R)
• M10: 5,418,435 km (0.086 R)
• M11: 6,299,267 km (0.105 R)
• M12: 6,918,602 km (0.103 R)
• M13: 8,781,993 km (0.086 R)
• M14: 10,184,623 km (0.044 R)
• M15: 10,919,897 km (0.069 R)
• M16: 13,476,075 km (0.1 R)
• M17: 15,089,788 km (0.06 R)
• M18: 17,527,784 km (0.045 R)
• M19: 17,967,452 km (0.059 R)
• M20: 19,800,625 km (0.105 R)

Planet 2 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.1

Radius: 5

Gravity: 15.16 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.14 AU - 7.28 AU

Year: 9992 Days

Day: 19.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,196,476 km

• M1: 63,729 km (0.102 R)
• M2: 335,847 km (0.063 R)
• M3: 611,855 km (0.074 R)
• M4: 1,254,827 km (0.11 R)
• M5: 1,578,557 km (0.11 R)
• M6: 2,067,592 km (0.095 R)
• M7: 3,640,763 km (0.113 R)
• M8: 3,959,856 km (0.086 R)
• M9: 6,314,825 km (0.044 R)
• M10: 7,296,636 km (0.118 R)
• M11: 7,684,843 km (0.119 R)
• M12: 8,801,740 km (0.044 R)
• M13: 10,946,824 km (0.072 R)
• M14: 11,507,068 km (0.088 R)
• M15: 11,873,433 km (0.076 R)
• M16: 12,139,718 km (0.079 R)
• M17: 12,739,904 km (0.105 R)
• M18: 13,188,698 km (0.097 R)
• M19: 15,655,268 km (0.115 R)
• M20: 16,235,109 km (0.108 R)
• M21: 17,781,801 km (0.084 R)
• M22: 24,780,139 km (0.111 R)
• M23: 25,567,024 km (0.102 R)
• M24: 25,833,009 km (0.111 R)
• M25: 26,732,990 km (0.115 R)
• M26: 26,915,499 km (0.118 R)
• M27: 27,840,313 km (0.05 R)
• M28: 31,649,823 km (0.096 R)
• M29: 34,266,439 km (0.106 R)
• M30: 35,792,787 km (0.116 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269

Radius: 8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.85 AU - 7.67 AU

Year: 11348 Days

Day: 21.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,196,476 km

• M1: 99,782 km (0.106 R)
• M2: 381,923 km (0.11 R)
• M3: 935,585 km (0.104 R)
• M4: 1,289,982 km (0.093 R)
• M5: 2,140,446 km (0.097 R)
• M6: 3,127,942 km (0.078 R)
• M7: 3,904,654 km (0.119 R)
• M8: 4,155,978 km (0.093 R)
• M9: 4,860,734 km (0.117 R)
• M10: 5,241,909 km (0.07 R)
• M11: 6,576,023 km (0.077 R)
• M12: 7,416,614 km (0.102 R)
• M13: 9,944,818 km (0.097 R)
• M14: 11,555,538 km (0.093 R)
• M15: 11,970,822 km (0.098 R)
• M16: 12,235,460 km (0.109 R)
• M17: 15,472,010 km (0.117 R)
• M18: 16,952,431 km (0.066 R)
• M19: 17,829,822 km (0.103 R)
• M20: 18,666,224 km (0.08 R)
• M21: 22,837,312 km (0.105 R)
• M22: 26,056,808 km (0.057 R)
• M23: 27,682,488 km (0.115 R)
• M24: 28,520,086 km (0.103 R)
• M25: 29,087,810 km (0.075 R)
• M26: 34,970,896 km (0.111 R)
• M27: 35,730,554 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.8

Radius: 3.7

Gravity: 43.3 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.96 AU - 8.24 AU

Year: 12215 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,196,476 km

• M1: 51,761 km (0.036 R)
• M2: 225,594 km (0.078 R)
• M3: 578,944 km (0.059 R)
• M4: 1,903,184 km (0.108 R)
• M5: 2,774,143 km (0.103 R)
• M6: 4,458,166 km (0.088 R)
• M7: 4,641,573 km (0.109 R)
• M8: 5,155,292 km (0.094 R)
• M9: 5,958,782 km (0.106 R)
• M10: 6,106,585 km (0.081 R)
• M11: 6,802,365 km (0.12 R)
• M12: 12,354,989 km (0.119 R)
• M13: 14,567,093 km (0.115 R)
• M14: 15,942,645 km (0.093 R)
• M15: 19,511,003 km (0.119 R)
• M16: 19,673,766 km (0.083 R)
• M17: 21,093,150 km (0.097 R)
• M18: 23,485,370 km (0.11 R)
• M19: 25,273,064 km (0.049 R)
• M20: 27,149,620 km (0.066 R)
• M21: 34,982,714 km (0.09 R)
• M22: 37,559,089 km (0.114 R)
• M23: 38,190,541 km (0.107 R)
• M24: 40,390,677 km (0.1 R)
• M25: 43,638,447 km (0.04 R)
• M26: 44,758,486 km (0.077 R)
• M27: 47,202,018 km (0.073 R)
• M28: 52,040,162 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 19,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit