🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.6

Radius: 11.1

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.85 AU - 2.85 AU

Year: 2363 Days

Day: 14.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,508,595 km

• M1: 138,079 km (0.039 R)
• M2: 542,891 km (0.033 R)
• M3: 984,055 km (0.07 R)
• M4: 2,389,826 km (0.076 R)
• M5: 2,795,835 km (0.113 R)
• M6: 3,279,933 km (0.116 R)
• M7: 4,397,579 km (0.044 R)
• M8: 5,452,992 km (0.033 R)
• M9: 5,967,758 km (0.115 R)
• M10: 7,094,829 km (0.07 R)
• M11: 7,911,932 km (0.092 R)
• M12: 8,948,496 km (0.118 R)
• M13: 9,335,206 km (0.065 R)
• M14: 11,215,951 km (0.102 R)
• M15: 12,167,244 km (0.075 R)
• M16: 14,273,432 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.1

Radius: 13.4

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.34 AU - 3 AU

Year: 2862 Days

Day: 10.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,508,595 km

• M1: 166,652 km (0.09 R)
• M2: 646,861 km (0.089 R)
• M3: 2,009,997 km (0.095 R)
• M4: 2,732,405 km (0.041 R)
• M5: 4,377,383 km (0.063 R)
• M6: 4,961,563 km (0.034 R)
• M7: 5,757,723 km (0.113 R)
• M8: 6,787,555 km (0.106 R)
• M9: 7,507,420 km (0.109 R)
• M10: 8,628,955 km (0.098 R)
• M11: 9,627,072 km (0.104 R)
• M12: 10,294,278 km (0.109 R)
• M13: 15,914,371 km (0.114 R)
• M14: 17,414,090 km (0.107 R)
• M15: 21,146,407 km (0.117 R)
• M16: 23,026,104 km (0.052 R)
• M17: 23,513,045 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.7

Radius: 13.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.13 AU - 4.85 AU

Year: 5228 Days

Day: 5.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,508,595 km

• M1: 196,721 km (0.097 R)
• M2: 619,335 km (0.08 R)
• M3: 1,694,345 km (0.095 R)
• M4: 3,297,436 km (0.043 R)
• M5: 5,560,553 km (0.075 R)
• M6: 6,115,262 km (0.116 R)
• M7: 8,496,710 km (0.078 R)
• M8: 11,706,781 km (0.092 R)
• M9: 12,480,950 km (0.039 R)
• M10: 13,289,078 km (0.099 R)
• M11: 14,081,049 km (0.062 R)
• M12: 16,088,653 km (0.079 R)
• M13: 18,461,724 km (0.108 R)
• M14: 22,068,229 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.6

Radius: 6.4

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.28 AU - 7.24 AU

Year: 11530 Days

Day: 22.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,508,595 km

• M1: 79,586 km (0.092 R)
• M2: 549,772 km (0.107 R)
• M3: 1,004,998 km (0.063 R)
• M4: 1,646,624 km (0.08 R)
• M5: 2,142,840 km (0.04 R)
• M6: 2,907,584 km (0.078 R)
• M7: 3,276,941 km (0.056 R)
• M8: 3,817,588 km (0.116 R)
• M9: 5,956,389 km (0.096 R)
• M10: 7,747,524 km (0.061 R)
• M11: 9,382,778 km (0.093 R)
• M12: 11,284,467 km (0.09 R)
• M13: 12,247,278 km (0.057 R)
• M14: 12,936,925 km (0.05 R)
• M15: 14,162,430 km (0.067 R)
• M16: 15,524,369 km (0.085 R)
• M17: 16,713,523 km (0.043 R)
• M18: 16,971,280 km (0.103 R)
• M19: 18,991,001 km (0.109 R)
• M20: 19,698,300 km (0.033 R)
• M21: 23,020,420 km (0.115 R)
• M22: 26,610,170 km (0.041 R)
• M23: 27,854,974 km (0.077 R)
• M24: 29,699,964 km (0.04 R)
• M25: 30,556,113 km (0.08 R)
• M26: 32,218,145 km (0.061 R)
• M27: 32,517,491 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.4

Radius: 5.6

Gravity: 29.6 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.24 AU - 10.04 AU

Year: 16660 Days

Day: 16.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,508,595 km

• M1: 70,012 km (0.035 R)
• M2: 665,411 km (0.093 R)
• M3: 841,189 km (0.096 R)
• M4: 2,419,746 km (0.09 R)
• M5: 2,697,848 km (0.085 R)
• M6: 4,386,509 km (0.06 R)
• M7: 7,703,842 km (0.068 R)
• M8: 8,461,704 km (0.111 R)
• M9: 8,778,403 km (0.107 R)
• M10: 9,491,536 km (0.069 R)
• M11: 13,790,081 km (0.056 R)
• M12: 16,644,409 km (0.042 R)
• M13: 19,777,287 km (0.085 R)
• M14: 19,962,041 km (0.077 R)
• M15: 20,334,988 km (0.072 R)
• M16: 22,570,429 km (0.109 R)
• M17: 26,839,055 km (0.049 R)
• M18: 28,569,304 km (0.076 R)
• M19: 32,763,729 km (0.095 R)
• M20: 34,204,057 km (0.07 R)
• M21: 35,142,185 km (0.05 R)
• M22: 35,822,856 km (0.115 R)
• M23: 37,491,919 km (0.056 R)
• M24: 41,890,246 km (0.111 R)
• M25: 44,371,028 km (0.086 R)
• M26: 45,165,841 km (0.07 R)
• M27: 48,106,038 km (0.109 R)
• M28: 48,944,833 km (0.098 R)
• M29: 49,793,352 km (0.08 R)
• M30: 51,694,442 km (0.093 R)
• M31: 51,869,771 km (0.119 R)
• M32: 52,045,249 km (0.091 R)
• M33: 56,379,398 km (0.086 R)
• M34: 57,311,692 km (0.113 R)
• M35: 63,322,385 km (0.117 R)
• M36: 64,735,337 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.5

Radius: 3.7

Gravity: 62.42 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 8.54 AU - 9.28 AU

Year: 17447 Days

Day: 18.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,508,595 km

• M1: 47,123 km (0.094 R)
• M2: 260,001 km (0.092 R)
• M3: 534,663 km (0.086 R)
• M4: 728,242 km (0.105 R)
• M5: 1,015,919 km (0.047 R)
• M6: 1,500,766 km (0.078 R)
• M7: 1,868,777 km (0.112 R)
• M8: 2,494,993 km (0.108 R)
• M9: 4,211,928 km (0.108 R)
• M10: 4,445,151 km (0.102 R)
• M11: 4,582,332 km (0.109 R)
• M12: 7,954,717 km (0.12 R)
• M13: 8,311,059 km (0.104 R)
• M14: 15,473,207 km (0.086 R)
• M15: 17,514,919 km (0.1 R)
• M16: 17,857,498 km (0.059 R)
• M17: 23,132,768 km (0.088 R)
• M18: 29,238,904 km (0.116 R)
• M19: 31,574,875 km (0.108 R)
• M20: 34,165,012 km (0.086 R)
• M21: 34,298,154 km (0.102 R)
• M22: 41,101,865 km (0.095 R)
• M23: 42,624,173 km (0.118 R)
• M24: 51,149,606 km (0.108 R)
• M25: 55,440,971 km (0.105 R)
• M26: 55,808,982 km (0.032 R)
• M27: 56,364,139 km (0.114 R)
• M28: 69,101,949 km (0.072 R)

Asteroid Belt

Center: 9.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.7

Radius: 6.8

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.66 AU - 11.76 AU

Year: 19849 Days

Day: 15.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,508,595 km

• M1: 84,523 km (0.113 R)
• M2: 611,706 km (0.099 R)
• M3: 1,333,964 km (0.048 R)
• M4: 2,610,632 km (0.088 R)
• M5: 2,880,208 km (0.116 R)
• M6: 4,210,133 km (0.052 R)
• M7: 5,181,173 km (0.117 R)
• M8: 6,214,894 km (0.087 R)
• M9: 9,133,249 km (0.048 R)
• M10: 9,757,072 km (0.104 R)
• M11: 12,856,142 km (0.115 R)
• M12: 13,309,124 km (0.112 R)
• M13: 26,170,352 km (0.115 R)
• M14: 39,894,012 km (0.095 R)
• M15: 41,414,375 km (0.071 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 15,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit