🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.93 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.78 AU - 1.94 AU

Year: 971 Days

Day: 14.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,007,636 km

• M1: 141,968 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288

Radius: 13.7

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.47 AU - 5.89 AU

Year: 5183 Days

Day: 14.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,007,636 km

• M1: 170,392 km (0.103 R)
• M2: 686,205 km (0.115 R)
• M3: 1,373,608 km (0.048 R)
• M4: 2,076,568 km (0.085 R)
• M5: 3,996,956 km (0.095 R)
• M6: 4,474,772 km (0.063 R)
• M7: 5,015,119 km (0.091 R)
• M8: 6,003,961 km (0.092 R)
• M9: 7,498,444 km (0.095 R)
• M10: 9,228,393 km (0.083 R)
• M11: 10,835,075 km (0.114 R)
• M12: 11,338,771 km (0.062 R)
• M13: 12,944,704 km (0.098 R)
• M14: 15,420,549 km (0.028 R)
• M15: 16,770,071 km (0.091 R)
• M16: 17,502,352 km (0.11 R)
• M17: 18,079,950 km (0.112 R)
• M18: 19,641,752 km (0.116 R)
• M19: 21,950,346 km (0.112 R)
• M20: 22,487,103 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.2

Radius: 8.5

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.9 AU - 6.82 AU

Year: 6141 Days

Day: 14.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,007,636 km

• M1: 107,561 km (0.101 R)
• M2: 442,660 km (0.104 R)
• M3: 1,181,674 km (0.077 R)
• M4: 1,585,737 km (0.052 R)
• M5: 1,961,976 km (0.085 R)
• M6: 2,397,156 km (0.084 R)
• M7: 2,710,115 km (0.09 R)
• M8: 2,991,509 km (0.114 R)
• M9: 4,319,938 km (0.105 R)
• M10: 5,848,978 km (0.077 R)
• M11: 7,380,710 km (0.047 R)
• M12: 10,378,951 km (0.103 R)
• M13: 12,196,415 km (0.114 R)
• M14: 16,204,591 km (0.057 R)
• M15: 16,697,965 km (0.071 R)
• M16: 18,371,067 km (0.107 R)
• M17: 18,772,438 km (0.081 R)
• M18: 19,043,360 km (0.078 R)
• M19: 23,977,547 km (0.071 R)
• M20: 24,780,289 km (0.11 R)
• M21: 32,536,938 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.9

Radius: 9.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.58 AU - 7.62 AU

Year: 8022 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,007,636 km

• M1: 113,096 km (0.104 R)
• M2: 800,199 km (0.044 R)
• M3: 1,099,844 km (0.069 R)
• M4: 1,714,990 km (0.114 R)
• M5: 2,389,826 km (0.091 R)
• M6: 2,760,679 km (0.063 R)
• M7: 3,169,829 km (0.105 R)
• M8: 3,686,540 km (0.105 R)
• M9: 4,334,150 km (0.113 R)
• M10: 4,618,834 km (0.039 R)
• M11: 5,027,386 km (0.065 R)
• M12: 5,460,023 km (0.111 R)
• M13: 6,011,590 km (0.039 R)
• M14: 7,154,668 km (0.106 R)
• M15: 7,443,541 km (0.104 R)
• M16: 7,967,882 km (0.084 R)
• M17: 8,278,297 km (0.06 R)
• M18: 11,302,867 km (0.109 R)
• M19: 13,466,501 km (0.103 R)
• M20: 18,125,278 km (0.059 R)
• M21: 18,663,531 km (0.041 R)
• M22: 20,199,004 km (0.074 R)
• M23: 22,734,837 km (0.066 R)
• M24: 28,882,263 km (0.079 R)
• M25: 29,988,688 km (0.112 R)
• M26: 31,123,089 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.1

Radius: 9.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.51 AU - 9.57 AU

Year: 9556 Days

Day: 12.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,007,636 km

• M1: 116,986 km (0.061 R)
• M2: 753,225 km (0.1 R)
• M3: 1,181,225 km (0.073 R)
• M4: 1,545,346 km (0.09 R)
• M5: 3,018,735 km (0.087 R)
• M6: 3,908,843 km (0.049 R)
• M7: 4,832,759 km (0.048 R)
• M8: 10,232,494 km (0.12 R)
• M9: 14,389,670 km (0.115 R)
• M10: 17,113,548 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.9

Radius: 4.9

Gravity: 29.94 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 11.07 AU - 13.51 AU

Year: 16497 Days

Day: 24.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,007,636 km

• M1: 61,186 km (0.105 R)
• M2: 247,435 km (0.114 R)
• M3: 942,766 km (0.081 R)
• M4: 1,097,300 km (0.096 R)
• M5: 2,393,416 km (0.091 R)
• M6: 3,337,977 km (0.069 R)
• M7: 3,730,821 km (0.038 R)
• M8: 4,917,282 km (0.112 R)
• M9: 8,503,442 km (0.115 R)
• M10: 10,760,126 km (0.084 R)
• M11: 11,614,031 km (0.119 R)
• M12: 15,107,440 km (0.115 R)
• M13: 17,956,382 km (0.1 R)
• M14: 31,444,874 km (0.117 R)
• M15: 40,333,232 km (0.097 R)
• M16: 41,056,687 km (0.037 R)
• M17: 41,494,859 km (0.105 R)
• M18: 46,839,841 km (0.116 R)
• M19: 47,961,227 km (0.105 R)
• M20: 55,957,832 km (0.117 R)
• M21: 57,219,839 km (0.079 R)
• M22: 59,614,003 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 11,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit