🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.3

Radius: 12

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.94 AU - 1.2 AU

Year: 764 Days

Day: 9.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,389,805 km

• M1: 149,299 km (0.117 R)
• M2: 540,796 km (0.096 R)
• M3: 919,728 km (0.119 R)
• M4: 1,372,710 km (0.094 R)
• M5: 1,880,445 km (0.084 R)
• M6: 2,307,996 km (0.066 R)
• M7: 2,790,449 km (0.037 R)
• M8: 3,281,878 km (0.12 R)
• M9: 3,766,725 km (0.096 R)
• M10: 4,229,880 km (0.08 R)
• M11: 5,207,951 km (0.077 R)
• M12: 5,784,800 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.2

Radius: 10

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.22 AU - 3 AU

Year: 2911 Days

Day: 5.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,389,805 km

• M1: 124,316 km (0.08 R)
• M2: 622,776 km (0.071 R)
• M3: 1,050,027 km (0.095 R)
• M4: 1,510,639 km (0.102 R)
• M5: 1,901,987 km (0.097 R)
• M6: 2,461,035 km (0.097 R)
• M7: 3,465,285 km (0.094 R)
• M8: 4,745,394 km (0.08 R)
• M9: 5,097,697 km (0.066 R)
• M10: 5,442,221 km (0.051 R)
• M11: 6,123,639 km (0.107 R)
• M12: 7,498,743 km (0.058 R)
• M13: 8,683,558 km (0.034 R)
• M14: 10,412,909 km (0.08 R)
• M15: 11,927,139 km (0.083 R)
• M16: 15,849,446 km (0.101 R)
• M17: 16,639,921 km (0.1 R)
• M18: 17,017,805 km (0.071 R)
• M19: 17,734,678 km (0.107 R)
• M20: 18,356,706 km (0.055 R)
• M21: 18,934,902 km (0.075 R)
• M22: 20,006,172 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 13.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.61 AU - 3.21 AU

Year: 3426 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,389,805 km

• M1: 175,329 km (0.065 R)
• M2: 657,333 km (0.096 R)
• M3: 1,298,659 km (0.067 R)
• M4: 1,758,074 km (0.104 R)
• M5: 2,215,096 km (0.072 R)
• M6: 3,394,675 km (0.096 R)
• M7: 4,957,225 km (0.114 R)
• M8: 5,459,425 km (0.113 R)
• M9: 6,106,735 km (0.114 R)
• M10: 7,080,168 km (0.119 R)
• M11: 7,653,427 km (0.076 R)
• M12: 8,893,145 km (0.083 R)
• M13: 10,626,086 km (0.09 R)
• M14: 11,856,230 km (0.096 R)
• M15: 13,179,273 km (0.114 R)
• M16: 14,802,111 km (0.046 R)
• M17: 16,009,366 km (0.096 R)
• M18: 16,554,500 km (0.113 R)
• M19: 17,168,151 km (0.096 R)
• M20: 17,681,571 km (0.11 R)
• M21: 18,619,699 km (0.11 R)
• M22: 19,467,620 km (0.109 R)
• M23: 20,980,653 km (0.06 R)
• M24: 21,699,919 km (0.048 R)
• M25: 22,166,066 km (0.098 R)
• M26: 22,980,776 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.8

Radius: 8.2

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.87 AU - 5.03 AU

Year: 6480 Days

Day: 9.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,389,805 km

• M1: 157,527 km (0.096 R)
• M2: 496,515 km (0.117 R)
• M3: 777,610 km (0.099 R)
• M4: 2,603,751 km (0.116 R)
• M5: 4,579,789 km (0.104 R)
• M6: 6,978,591 km (0.096 R)
• M7: 7,482,287 km (0.06 R)
• M8: 8,463,051 km (0.065 R)
• M9: 9,455,782 km (0.104 R)
• M10: 10,716,144 km (0.098 R)
• M11: 11,306,457 km (0.116 R)
• M12: 12,855,244 km (0.043 R)
• M13: 14,826,944 km (0.088 R)
• M14: 16,265,328 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.2

Radius: 9

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.63 AU - 5.89 AU

Year: 7168 Days

Day: 5.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,389,805 km

• M1: 113,694 km (0.114 R)
• M2: 835,654 km (0.028 R)
• M3: 1,230,592 km (0.041 R)
• M4: 1,552,078 km (0.07 R)
• M5: 2,041,861 km (0.109 R)
• M6: 3,239,841 km (0.107 R)
• M7: 3,613,836 km (0.077 R)
• M8: 3,964,643 km (0.119 R)
• M9: 4,421,215 km (0.116 R)
• M10: 4,942,414 km (0.034 R)
• M11: 5,969,853 km (0.1 R)
• M12: 6,570,488 km (0.106 R)
• M13: 8,142,762 km (0.056 R)
• M14: 8,748,035 km (0.112 R)
• M15: 10,048,339 km (0.094 R)
• M16: 28,030,751 km (0.114 R)
• M17: 29,709,389 km (0.028 R)
• M18: 34,474,680 km (0.119 R)
• M19: 40,961,094 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.6

Radius: 11.3

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.26 AU - 5.32 AU

Year: 7236 Days

Day: 14.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,389,805 km

• M1: 144,362 km (0.101 R)
• M2: 733,927 km (0.053 R)
• M3: 1,765,853 km (0.055 R)
• M4: 2,134,911 km (0.113 R)
• M5: 2,556,029 km (0.112 R)
• M6: 3,182,396 km (0.043 R)
• M7: 3,858,727 km (0.102 R)
• M8: 4,887,512 km (0.11 R)
• M9: 6,090,279 km (0.082 R)
• M10: 7,718,502 km (0.101 R)
• M11: 8,895,389 km (0.067 R)
• M12: 11,602,212 km (0.116 R)
• M13: 12,411,687 km (0.118 R)
• M14: 13,028,778 km (0.104 R)
• M15: 16,095,684 km (0.117 R)
• M16: 16,829,910 km (0.047 R)
• M17: 24,476,007 km (0.071 R)
• M18: 26,078,050 km (0.096 R)
• M19: 28,129,785 km (0.112 R)
• M20: 30,286,837 km (0.092 R)
• M21: 34,597,350 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.4

Radius: 5.6

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.69 AU - 10.43 AU

Year: 22025 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,389,805 km

• M1: 69,713 km (0.066 R)
• M2: 330,910 km (0.081 R)
• M3: 636,240 km (0.026 R)
• M4: 832,662 km (0.088 R)
• M5: 1,204,861 km (0.074 R)
• M6: 1,379,592 km (0.042 R)
• M7: 2,237,386 km (0.086 R)
• M8: 2,978,793 km (0.109 R)
• M9: 3,276,044 km (0.11 R)
• M10: 4,288,073 km (0.117 R)
• M11: 4,732,977 km (0.105 R)
• M12: 5,069,124 km (0.097 R)
• M13: 6,908,729 km (0.11 R)
• M14: 7,654,923 km (0.082 R)
• M15: 9,887,970 km (0.061 R)
• M16: 11,123,350 km (0.102 R)
• M17: 11,417,758 km (0.11 R)
• M18: 12,145,851 km (0.111 R)
• M19: 13,295,212 km (0.1 R)
• M20: 13,493,578 km (0.058 R)
• M21: 13,896,296 km (0.106 R)
• M22: 15,009,304 km (0.098 R)
• M23: 17,020,348 km (0.068 R)
• M24: 17,648,958 km (0.043 R)
• M25: 21,296,005 km (0.071 R)
• M26: 22,118,195 km (0.077 R)
• M27: 24,911,337 km (0.073 R)
• M28: 26,444,416 km (0.106 R)
• M29: 27,287,100 km (0.053 R)
• M30: 27,822,960 km (0.088 R)
• M31: 28,694,667 km (0.058 R)
• M32: 38,705,008 km (0.114 R)
• M33: 41,316,389 km (0.039 R)
• M34: 41,597,932 km (0.074 R)
• M35: 45,375,428 km (0.105 R)
• M36: 47,501,213 km (0.073 R)
• M37: 49,375,376 km (0.105 R)
• M38: 53,437,107 km (0.074 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: 405 - 14,200 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit