🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.5

Radius: 12.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.55 AU - 0.73 AU

Year: 347 Days

Day: 14.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,834,152 km

• M1: 152,440 km (0.112 R)
• M2: 647,908 km (0.076 R)
• M3: 1,138,290 km (0.079 R)
• M4: 1,641,388 km (0.119 R)
• M5: 2,049,491 km (0.117 R)
• M6: 2,562,312 km (0.12 R)
• M7: 3,170,577 km (0.117 R)
• M8: 3,647,645 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.5

Radius: 13.4

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.53 AU - 0.85 AU

Year: 389 Days

Day: 10.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 85,834,152 km

• M1: 169,046 km (0.114 R)
• M2: 637,736 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 11

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.76 AU - 1.18 AU

Year: 648 Days

Day: 6.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,834,152 km

• M1: 137,032 km (0.11 R)
• M2: 512,971 km (0.103 R)
• M3: 912,397 km (0.054 R)
• M4: 1,276,519 km (0.111 R)
• M5: 1,777,522 km (0.115 R)
• M6: 2,135,659 km (0.059 R)
• M7: 2,967,723 km (0.082 R)
• M8: 3,844,067 km (0.102 R)
• M9: 5,088,721 km (0.059 R)
• M10: 5,821,152 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.7

Radius: 14.6

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.81 AU - 1.15 AU

Year: 658 Days

Day: 9.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,834,152 km

• M1: 181,612 km (0.09 R)
• M2: 645,814 km (0.047 R)
• M3: 1,210,097 km (0.082 R)
• M4: 2,040,665 km (0.111 R)
• M5: 2,824,557 km (0.111 R)
• M6: 4,578,144 km (0.049 R)
• M7: 5,190,448 km (0.063 R)
• M8: 5,768,494 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.5

Radius: 9

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.56 AU - 4.1 AU

Year: 4122 Days

Day: 11.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,834,152 km

• M1: 198,965 km (0.095 R)
• M2: 488,138 km (0.078 R)
• M3: 1,365,529 km (0.098 R)
• M4: 1,796,072 km (0.101 R)
• M5: 2,117,259 km (0.114 R)
• M6: 2,594,177 km (0.09 R)
• M7: 5,279,758 km (0.115 R)
• M8: 6,005,906 km (0.075 R)
• M9: 6,536,679 km (0.098 R)
• M10: 6,863,401 km (0.069 R)
• M11: 8,938,323 km (0.081 R)
• M12: 9,300,350 km (0.086 R)
• M13: 9,630,513 km (0.111 R)
• M14: 10,270,642 km (0.079 R)
• M15: 11,635,423 km (0.112 R)
• M16: 12,116,231 km (0.104 R)
• M17: 12,560,237 km (0.088 R)
• M18: 13,015,015 km (0.088 R)
• M19: 13,428,354 km (0.098 R)
• M20: 15,170,421 km (0.11 R)
• M21: 15,860,815 km (0.079 R)
• M22: 16,572,153 km (0.118 R)
• M23: 17,678,579 km (0.085 R)
• M24: 18,899,297 km (0.039 R)
• M25: 20,520,340 km (0.116 R)
• M26: 20,869,501 km (0.099 R)
• M27: 21,651,300 km (0.072 R)
• M28: 22,086,031 km (0.104 R)
• M29: 23,273,539 km (0.057 R)
• M30: 23,653,219 km (0.059 R)
• M31: 25,213,375 km (0.106 R)
• M32: 26,841,149 km (0.117 R)
• M33: 29,236,061 km (0.101 R)
• M34: 29,767,134 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.1

Radius: 13.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.51 AU - 5.33 AU

Year: 7402 Days

Day: 6.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,834,152 km

• M1: 170,093 km (0.116 R)
• M2: 648,656 km (0.099 R)
• M3: 1,277,416 km (0.113 R)
• M4: 1,905,278 km (0.119 R)
• M5: 2,922,993 km (0.109 R)
• M6: 3,521,534 km (0.111 R)
• M7: 4,201,007 km (0.114 R)
• M8: 5,309,976 km (0.085 R)
• M9: 6,708,118 km (0.087 R)
• M10: 7,273,448 km (0.072 R)
• M11: 8,379,276 km (0.049 R)
• M12: 9,162,570 km (0.056 R)
• M13: 10,267,201 km (0.057 R)
• M14: 12,476,762 km (0.119 R)
• M15: 13,333,808 km (0.103 R)
• M16: 13,889,265 km (0.106 R)
• M17: 14,402,236 km (0.12 R)
• M18: 19,394,018 km (0.103 R)
• M19: 20,544,425 km (0.1 R)
• M20: 22,823,250 km (0.04 R)
• M21: 25,774,666 km (0.106 R)
• M22: 31,244,712 km (0.034 R)
• M23: 34,978,077 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503

Radius: 3.8

Gravity: 34.83 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.96 AU - 6.24 AU

Year: 10218 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,834,152 km

• M1: 73,303 km (0.12 R)
• M2: 192,233 km (0.118 R)
• M3: 501,302 km (0.117 R)
• M4: 968,646 km (0.051 R)
• M5: 1,127,220 km (0.051 R)
• M6: 1,565,542 km (0.093 R)
• M7: 2,509,355 km (0.119 R)
• M8: 4,202,653 km (0.119 R)
• M9: 5,758,620 km (0.054 R)
• M10: 6,068,138 km (0.118 R)
• M11: 9,047,829 km (0.098 R)
• M12: 10,290,987 km (0.103 R)
• M13: 11,861,615 km (0.11 R)
• M14: 12,704,001 km (0.069 R)
• M15: 19,437,401 km (0.074 R)
• M16: 19,976,701 km (0.092 R)
• M17: 20,367,900 km (0.071 R)
• M18: 22,485,308 km (0.038 R)
• M19: 23,946,281 km (0.098 R)
• M20: 25,015,008 km (0.087 R)
• M21: 26,301,400 km (0.113 R)
• M22: 27,631,325 km (0.055 R)
• M23: 27,824,905 km (0.112 R)
• M24: 28,806,267 km (0.067 R)
• M25: 29,506,834 km (0.065 R)
• M26: 31,360,501 km (0.102 R)
• M27: 31,571,135 km (0.09 R)
• M28: 33,950,638 km (0.076 R)
• M29: 34,507,591 km (0.115 R)
• M30: 35,754,489 km (0.096 R)
• M31: 37,031,008 km (0.097 R)
• M32: 38,337,596 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.2

Radius: 7.1

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.65 AU - 7.61 AU

Year: 12913 Days

Day: 17.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,834,152 km

• M1: 88,263 km (0.073 R)
• M2: 379,679 km (0.113 R)
• M3: 695,780 km (0.066 R)
• M4: 1,446,761 km (0.118 R)
• M5: 1,732,792 km (0.107 R)
• M6: 3,350,544 km (0.096 R)
• M7: 4,110,949 km (0.118 R)
• M8: 4,439,466 km (0.093 R)
• M9: 4,850,113 km (0.102 R)
• M10: 5,320,299 km (0.091 R)
• M11: 6,120,198 km (0.112 R)
• M12: 7,336,878 km (0.081 R)
• M13: 12,003,883 km (0.106 R)
• M14: 12,306,220 km (0.083 R)
• M15: 12,613,793 km (0.098 R)
• M16: 13,697,630 km (0.11 R)
• M17: 14,773,388 km (0.085 R)
• M18: 15,616,372 km (0.118 R)
• M19: 16,342,969 km (0.108 R)
• M20: 19,393,270 km (0.106 R)
• M21: 22,895,356 km (0.082 R)
• M22: 24,310,552 km (0.08 R)
• M23: 24,892,637 km (0.104 R)
• M24: 25,783,193 km (0.097 R)
• M25: 36,389,084 km (0.083 R)
• M26: 36,768,613 km (0.106 R)
• M27: 39,100,844 km (0.093 R)
• M28: 40,168,524 km (0.032 R)
• M29: 40,438,399 km (0.098 R)
• M30: 42,222,353 km (0.05 R)
• M31: 45,359,720 km (0.101 R)
• M32: 50,980,860 km (0.107 R)
• M33: 53,223,482 km (0.11 R)
• M34: 56,202,274 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50

Radius: 7.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.04 AU - 11.14 AU

Year: 18588 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,834,152 km

• M1: 122,521 km (0.094 R)
• M2: 590,463 km (0.057 R)
• M3: 1,612,515 km (0.114 R)
• M4: 3,518,542 km (0.047 R)
• M5: 6,390,971 km (0.106 R)
• M6: 8,618,034 km (0.114 R)
• M7: 9,013,721 km (0.057 R)
• M8: 14,202,523 km (0.118 R)
• M9: 16,198,757 km (0.12 R)
• M10: 22,920,039 km (0.037 R)
• M11: 27,477,987 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.2

Radius: 3.2

Gravity: 75.31 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.27 AU - 12.43 AU

Year: 22584 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,834,152 km

• M1: 42,187 km (0.044 R)
• M2: 600,785 km (0.117 R)
• M3: 778,956 km (0.077 R)
• M4: 1,181,823 km (0.119 R)
• M5: 1,445,714 km (0.107 R)
• M6: 1,654,552 km (0.108 R)
• M7: 2,379,504 km (0.101 R)
• M8: 3,382,258 km (0.087 R)
• M9: 8,121,369 km (0.112 R)
• M10: 9,706,957 km (0.055 R)
• M11: 10,010,342 km (0.067 R)
• M12: 10,893,268 km (0.059 R)
• M13: 14,470,153 km (0.044 R)
• M14: 20,388,245 km (0.112 R)
• M15: 25,270,222 km (0.117 R)
• M16: 28,101,661 km (0.081 R)
• M17: 29,593,600 km (0.116 R)
• M18: 29,720,160 km (0.117 R)
• M19: 40,441,241 km (0.089 R)
• M20: 53,851,942 km (0.057 R)
• M21: 55,953,194 km (0.097 R)
• M22: 76,420,576 km (0.098 R)
• M23: 77,617,658 km (0.078 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 17,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit