🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.7

Radius: 10.1

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.45 AU - 0.57 AU

Year: 251 Days

Day: 11.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,088,386 km

• M1: 125,662 km (0.114 R)
• M2: 499,956 km (0.057 R)
• M3: 841,488 km (0.099 R)
• M4: 1,238,970 km (0.081 R)
• M5: 1,829,133 km (0.073 R)
• M6: 2,217,040 km (0.071 R)
• M7: 2,686,329 km (0.052 R)
• M8: 3,282,626 km (0.097 R)
• M9: 3,918,118 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.2

Radius: 10

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.24 AU - 1.54 AU

Year: 1131 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,088,386 km

• M1: 124,316 km (0.109 R)
• M2: 563,834 km (0.086 R)
• M3: 1,138,141 km (0.065 R)
• M4: 2,834,281 km (0.042 R)
• M5: 3,743,238 km (0.079 R)
• M6: 4,096,588 km (0.088 R)
• M7: 5,621,290 km (0.059 R)
• M8: 8,862,178 km (0.095 R)
• M9: 9,325,782 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.7

Radius: 12.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.09 AU - 1.75 AU

Year: 1168 Days

Day: 10 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,088,386 km

• M1: 160,519 km (0.1 R)
• M2: 638,933 km (0.05 R)
• M3: 1,209,499 km (0.118 R)
• M4: 2,860,311 km (0.077 R)
• M5: 3,869,199 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.4

Radius: 4.2

Gravity: 38.74 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.13 AU - 7.71 AU

Year: 13951 Days

Day: 23.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 65.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,088,386 km

• M1: 52,808 km (0.106 R)
• M2: 202,556 km (0.11 R)
• M3: 345,721 km (0.054 R)
• M4: 779,255 km (0.073 R)
• M5: 1,335,909 km (0.077 R)
• M6: 2,658,055 km (0.037 R)
• M7: 3,678,911 km (0.107 R)
• M8: 3,847,508 km (0.072 R)
• M9: 5,317,307 km (0.071 R)
• M10: 5,944,122 km (0.095 R)
• M11: 8,501,946 km (0.083 R)
• M12: 10,321,804 km (0.119 R)
• M13: 11,411,026 km (0.069 R)
• M14: 15,063,458 km (0.038 R)
• M15: 15,936,212 km (0.061 R)
• M16: 22,353,213 km (0.058 R)
• M17: 23,295,380 km (0.068 R)
• M18: 27,756,688 km (0.067 R)
• M19: 28,624,655 km (0.079 R)
• M20: 33,480,153 km (0.088 R)
• M21: 37,004,828 km (0.078 R)
• M22: 42,887,017 km (0.093 R)
• M23: 43,754,236 km (0.103 R)
• M24: 44,338,864 km (0.118 R)
• M25: 44,780,776 km (0.109 R)
• M26: 45,076,980 km (0.103 R)
• M27: 49,995,758 km (0.034 R)
• M28: 50,634,690 km (0.092 R)

Asteroid Belt

Center: 7.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.1

Radius: 5.4

Gravity: 32.38 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.41 AU - 10.65 AU

Year: 17196 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,088,386 km

• M1: 67,917 km (0.058 R)
• M2: 268,229 km (0.054 R)
• M3: 567,425 km (0.088 R)
• M4: 1,059,901 km (0.074 R)
• M5: 1,380,938 km (0.103 R)
• M6: 1,746,406 km (0.104 R)
• M7: 2,031,090 km (0.117 R)
• M8: 2,237,685 km (0.082 R)
• M9: 4,264,736 km (0.088 R)
• M10: 7,084,656 km (0.095 R)
• M11: 8,902,868 km (0.117 R)
• M12: 9,289,280 km (0.108 R)
• M13: 9,977,879 km (0.084 R)
• M14: 10,948,021 km (0.047 R)
• M15: 11,913,226 km (0.115 R)
• M16: 14,308,737 km (0.09 R)
• M17: 16,756,607 km (0.108 R)
• M18: 23,489,558 km (0.085 R)
• M19: 24,120,712 km (0.088 R)
• M20: 32,210,965 km (0.035 R)
• M21: 32,469,171 km (0.062 R)
• M22: 33,780,845 km (0.09 R)
• M23: 35,127,375 km (0.088 R)
• M24: 35,675,951 km (0.075 R)
• M25: 37,213,817 km (0.111 R)
• M26: 41,937,968 km (0.055 R)
• M27: 50,789,674 km (0.051 R)
• M28: 53,452,516 km (0.109 R)
• M29: 57,524,121 km (0.061 R)
• M30: 61,005,413 km (0.106 R)
• M31: 64,011,732 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.3

Radius: 7.9

Gravity: 13.93 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.53 AU - 10.07 AU

Year: 18019 Days

Day: 24.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,088,386 km

• M1: 99,632 km (0.111 R)
• M2: 362,476 km (0.094 R)
• M3: 904,319 km (0.079 R)
• M4: 2,048,593 km (0.07 R)
• M5: 4,756,614 km (0.096 R)
• M6: 7,423,346 km (0.096 R)
• M7: 7,765,027 km (0.11 R)
• M8: 10,338,858 km (0.069 R)
• M9: 11,267,412 km (0.099 R)
• M10: 12,250,420 km (0.063 R)
• M11: 13,077,098 km (0.077 R)
• M12: 14,014,179 km (0.091 R)
• M13: 14,688,566 km (0.118 R)
• M14: 20,788,120 km (0.063 R)
• M15: 30,076,951 km (0.044 R)
• M16: 30,946,414 km (0.115 R)
• M17: 35,135,753 km (0.069 R)
• M18: 40,583,359 km (0.061 R)
• M19: 41,339,576 km (0.085 R)
• M20: 43,507,100 km (0.084 R)
• M21: 45,424,197 km (0.096 R)
• M22: 49,254,949 km (0.105 R)
• M23: 56,420,538 km (0.075 R)
• M24: 64,865,637 km (0.087 R)
• M25: 66,943,551 km (0.114 R)
• M26: 67,575,602 km (0.067 R)
• M27: 67,998,964 km (0.066 R)
• M28: 69,065,447 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.6

Radius: 4.3

Gravity: 37.89 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.23 AU - 10.25 AU

Year: 19387 Days

Day: 21 Hours

Environment

Temp: -243 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,088,386 km

• M1: 94,845 km (0.071 R)
• M2: 455,675 km (0.106 R)
• M3: 627,114 km (0.083 R)
• M4: 788,830 km (0.106 R)
• M5: 1,002,605 km (0.118 R)
• M6: 1,240,017 km (0.089 R)
• M7: 2,182,483 km (0.068 R)
• M8: 2,799,275 km (0.079 R)
• M9: 3,188,529 km (0.054 R)
• M10: 7,028,706 km (0.116 R)
• M11: 9,099,290 km (0.115 R)
• M12: 9,774,575 km (0.099 R)
• M13: 11,479,243 km (0.105 R)
• M14: 12,267,025 km (0.056 R)
• M15: 12,401,663 km (0.106 R)
• M16: 18,372,563 km (0.102 R)
• M17: 19,175,305 km (0.099 R)
• M18: 26,570,377 km (0.093 R)
• M19: 29,483,945 km (0.054 R)
• M20: 33,252,764 km (0.048 R)
• M21: 34,845,982 km (0.12 R)
• M22: 38,615,549 km (0.111 R)
• M23: 38,905,170 km (0.11 R)
• M24: 39,196,138 km (0.105 R)
• M25: 42,186,749 km (0.114 R)
• M26: 42,648,109 km (0.097 R)
• M27: 48,113,667 km (0.075 R)
• M28: 48,281,067 km (0.067 R)
• M29: 50,493,620 km (0.07 R)
• M30: 60,213,891 km (0.096 R)
• M31: 60,408,368 km (0.083 R)
• M32: 62,774,857 km (0.1 R)
• M33: 73,080,654 km (0.12 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 13,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit