🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.9

Radius: 12.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.9 AU - 1.06 AU

Year: 658 Days

Day: 5.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,095,667 km

• M1: 156,629 km (0.074 R)
• M2: 576,101 km (0.093 R)
• M3: 1,535,622 km (0.038 R)
• M4: 2,325,648 km (0.072 R)
• M5: 2,962,935 km (0.11 R)
• M6: 3,600,970 km (0.082 R)
• M7: 4,068,015 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 8.5

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.92 AU - 2.74 AU

Year: 2412 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,095,667 km

• M1: 106,813 km (0.071 R)
• M2: 453,581 km (0.055 R)
• M3: 897,138 km (0.118 R)
• M4: 1,397,843 km (0.098 R)
• M5: 1,875,509 km (0.111 R)
• M6: 2,260,873 km (0.035 R)
• M7: 2,987,469 km (0.068 R)
• M8: 3,590,498 km (0.105 R)
• M9: 3,861,420 km (0.089 R)
• M10: 4,229,880 km (0.113 R)
• M11: 4,780,550 km (0.111 R)
• M12: 5,061,494 km (0.112 R)
• M13: 5,605,283 km (0.09 R)
• M14: 5,971,199 km (0.041 R)
• M15: 6,493,296 km (0.096 R)
• M16: 8,546,078 km (0.065 R)
• M17: 9,425,863 km (0.114 R)
• M18: 10,520,620 km (0.05 R)
• M19: 11,572,143 km (0.08 R)
• M20: 18,125,128 km (0.084 R)
• M21: 18,637,800 km (0.109 R)
• M22: 19,931,672 km (0.075 R)
• M23: 20,233,860 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.2

Radius: 13.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.79 AU - 3.15 AU

Year: 3472 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,095,667 km

• M1: 172,935 km (0.108 R)
• M2: 608,115 km (0.064 R)
• M3: 1,992,644 km (0.095 R)
• M4: 2,432,761 km (0.109 R)
• M5: 3,080,519 km (0.117 R)
• M6: 3,969,280 km (0.075 R)
• M7: 4,822,886 km (0.071 R)
• M8: 6,314,526 km (0.103 R)
• M9: 8,415,778 km (0.09 R)
• M10: 9,546,887 km (0.094 R)
• M11: 10,067,488 km (0.098 R)
• M12: 11,475,054 km (0.109 R)
• M13: 12,110,247 km (0.106 R)
• M14: 13,352,508 km (0.101 R)
• M15: 14,678,094 km (0.093 R)
• M16: 16,033,601 km (0.102 R)
• M17: 16,484,638 km (0.111 R)
• M18: 19,055,777 km (0.088 R)
• M19: 19,626,044 km (0.086 R)
• M20: 22,299,657 km (0.061 R)
• M21: 24,532,256 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.5

Radius: 10.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.17 AU - 4.19 AU

Year: 5796 Days

Day: 9.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,095,667 km

• M1: 140,024 km (0.074 R)
• M2: 1,073,814 km (0.113 R)
• M3: 2,165,579 km (0.026 R)
• M4: 2,746,617 km (0.099 R)
• M5: 3,821,178 km (0.086 R)
• M6: 4,534,012 km (0.105 R)
• M7: 4,958,870 km (0.087 R)
• M8: 5,943,673 km (0.094 R)
• M9: 6,395,608 km (0.067 R)
• M10: 6,900,651 km (0.104 R)
• M11: 8,024,729 km (0.086 R)
• M12: 8,437,021 km (0.114 R)
• M13: 9,045,286 km (0.077 R)
• M14: 11,342,810 km (0.071 R)
• M15: 12,857,189 km (0.091 R)
• M16: 14,202,373 km (0.117 R)
• M17: 17,057,748 km (0.086 R)
• M18: 18,799,216 km (0.111 R)
• M19: 19,344,052 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.5

Radius: 11

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.06 AU - 5.34 AU

Year: 8043 Days

Day: 11 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,095,667 km

• M1: 136,882 km (0.11 R)
• M2: 992,133 km (0.083 R)
• M3: 1,427,612 km (0.106 R)
• M4: 2,360,355 km (0.091 R)
• M5: 3,152,775 km (0.099 R)
• M6: 6,829,442 km (0.113 R)
• M7: 8,429,690 km (0.055 R)
• M8: 9,595,656 km (0.079 R)
• M9: 10,714,050 km (0.093 R)
• M10: 11,226,572 km (0.109 R)
• M11: 11,701,845 km (0.078 R)
• M12: 12,080,626 km (0.053 R)
• M13: 16,400,863 km (0.075 R)
• M14: 17,500,109 km (0.052 R)
• M15: 18,501,666 km (0.109 R)
• M16: 20,933,679 km (0.108 R)
• M17: 22,892,513 km (0.054 R)
• M18: 25,690,143 km (0.083 R)
• M19: 26,795,671 km (0.105 R)
• M20: 27,360,254 km (0.12 R)
• M21: 36,577,876 km (0.104 R)
• M22: 36,924,195 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530

Radius: 7.5

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.83 AU - 8.89 AU

Year: 13543 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,095,667 km

• M1: 93,349 km (0.077 R)
• M2: 523,443 km (0.106 R)
• M3: 1,236,127 km (0.103 R)
• M4: 1,773,932 km (0.073 R)
• M5: 3,090,692 km (0.058 R)
• M6: 3,826,414 km (0.026 R)
• M7: 4,134,287 km (0.061 R)
• M8: 4,863,576 km (0.091 R)
• M9: 5,604,983 km (0.063 R)
• M10: 6,380,648 km (0.045 R)
• M11: 7,142,401 km (0.072 R)
• M12: 10,369,077 km (0.078 R)
• M13: 11,024,765 km (0.076 R)
• M14: 12,178,613 km (0.07 R)
• M15: 13,347,421 km (0.107 R)
• M16: 17,000,601 km (0.046 R)
• M17: 18,144,277 km (0.062 R)
• M18: 19,747,966 km (0.076 R)
• M19: 20,669,190 km (0.118 R)
• M20: 21,531,173 km (0.086 R)
• M21: 22,237,873 km (0.103 R)
• M22: 22,596,908 km (0.116 R)
• M23: 24,072,093 km (0.113 R)
• M24: 30,176,882 km (0.106 R)
• M25: 31,173,354 km (0.095 R)
• M26: 35,257,974 km (0.041 R)
• M27: 35,746,411 km (0.075 R)
• M28: 36,115,619 km (0.11 R)
• M29: 36,611,835 km (0.042 R)
• M30: 37,112,689 km (0.096 R)
• M31: 40,346,995 km (0.067 R)
• M32: 40,613,578 km (0.083 R)
• M33: 44,470,061 km (0.113 R)
• M34: 46,486,940 km (0.094 R)
• M35: 48,413,611 km (0.113 R)
• M36: 50,392,791 km (0.113 R)
• M37: 52,109,277 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.7

Radius: 5.5

Gravity: 17.35 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.27 AU - 11.95 AU

Year: 20206 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,095,667 km

• M1: 68,815 km (0.108 R)
• M2: 314,305 km (0.071 R)
• M3: 504,594 km (0.066 R)
• M4: 954,135 km (0.099 R)
• M5: 1,215,931 km (0.069 R)
• M6: 1,655,600 km (0.103 R)
• M7: 1,940,284 km (0.107 R)
• M8: 2,630,978 km (0.055 R)
• M9: 3,335,584 km (0.096 R)
• M10: 4,417,027 km (0.118 R)
• M11: 4,824,531 km (0.064 R)
• M12: 5,872,315 km (0.098 R)
• M13: 6,322,904 km (0.115 R)
• M14: 7,432,022 km (0.119 R)
• M15: 9,467,301 km (0.067 R)
• M16: 17,329,567 km (0.053 R)
• M17: 18,684,924 km (0.088 R)
• M18: 18,859,205 km (0.11 R)
• M19: 20,292,652 km (0.075 R)
• M20: 21,414,187 km (0.115 R)
• M21: 28,560,328 km (0.113 R)
• M22: 29,729,435 km (0.082 R)
• M23: 29,967,146 km (0.094 R)
• M24: 31,913,714 km (0.072 R)
• M25: 32,162,944 km (0.109 R)
• M26: 40,690,770 km (0.095 R)
• M27: 46,820,543 km (0.094 R)
• M28: 48,443,680 km (0.092 R)
• M29: 55,671,651 km (0.108 R)
• M30: 57,308,700 km (0.1 R)
• M31: 60,678,692 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 18,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit