🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.1

Radius: 8.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.41 AU - 1.61 AU

Year: 1237 Days

Day: 6.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,641,183 km

• M1: 112,348 km (0.111 R)
• M2: 494,122 km (0.115 R)
• M3: 770,429 km (0.091 R)
• M4: 1,132,306 km (0.087 R)
• M5: 1,599,052 km (0.112 R)
• M6: 2,376,512 km (0.108 R)
• M7: 2,652,520 km (0.086 R)
• M8: 3,046,860 km (0.11 R)
• M9: 3,456,309 km (0.064 R)
• M10: 4,788,628 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.8

Radius: 9

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.17 AU - 1.91 AU

Year: 1274 Days

Day: 10.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,641,183 km

• M1: 111,899 km (0.113 R)
• M2: 425,756 km (0.059 R)
• M3: 757,414 km (0.091 R)
• M4: 1,362,388 km (0.061 R)
• M5: 1,731,745 km (0.118 R)
• M6: 2,272,691 km (0.065 R)
• M7: 2,688,723 km (0.084 R)
• M8: 3,037,136 km (0.077 R)
• M9: 4,051,260 km (0.119 R)
• M10: 4,783,392 km (0.075 R)
• M11: 5,556,963 km (0.071 R)
• M12: 6,883,297 km (0.05 R)
• M13: 7,166,785 km (0.096 R)
• M14: 7,924,050 km (0.098 R)
• M15: 9,470,443 km (0.034 R)
• M16: 9,789,535 km (0.028 R)
• M17: 10,550,539 km (0.117 R)
• M18: 11,710,671 km (0.092 R)
• M19: 12,340,478 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.2

Radius: 9.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.48 AU - 2 AU

Year: 1531 Days

Day: 5.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,641,183 km

• M1: 147,653 km (0.107 R)
• M2: 790,625 km (0.111 R)
• M3: 1,235,978 km (0.101 R)
• M4: 1,780,215 km (0.104 R)
• M5: 2,398,353 km (0.086 R)
• M6: 2,715,052 km (0.082 R)
• M7: 4,392,193 km (0.112 R)
• M8: 4,980,263 km (0.107 R)
• M9: 6,119,151 km (0.08 R)
• M10: 7,254,001 km (0.095 R)
• M11: 9,438,878 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 14.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.39 AU - 3.37 AU

Year: 3259 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,641,183 km

• M1: 180,415 km (0.043 R)
• M2: 803,191 km (0.118 R)
• M3: 1,278,314 km (0.116 R)
• M4: 1,838,259 km (0.118 R)
• M5: 2,577,272 km (0.106 R)
• M6: 3,265,722 km (0.118 R)
• M7: 4,160,466 km (0.074 R)
• M8: 5,601,543 km (0.117 R)
• M9: 6,349,981 km (0.071 R)
• M10: 7,744,981 km (0.076 R)
• M11: 11,050,944 km (0.059 R)
• M12: 12,595,542 km (0.084 R)
• M13: 13,882,084 km (0.117 R)
• M14: 14,890,374 km (0.106 R)
• M15: 15,412,620 km (0.026 R)
• M16: 15,893,128 km (0.114 R)
• M17: 17,053,110 km (0.109 R)
• M18: 18,928,469 km (0.06 R)
• M19: 19,603,754 km (0.101 R)
• M20: 22,128,667 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 12.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.16 AU - 5.48 AU

Year: 7057 Days

Day: 12 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,641,183 km

• M1: 157,227 km (0.053 R)
• M2: 1,222,514 km (0.114 R)
• M3: 4,896,488 km (0.036 R)
• M4: 5,423,372 km (0.111 R)
• M5: 7,130,583 km (0.117 R)
• M6: 10,869,632 km (0.068 R)
• M7: 11,479,692 km (0.106 R)
• M8: 12,211,973 km (0.076 R)
• M9: 13,394,993 km (0.116 R)
• M10: 15,398,109 km (0.044 R)
• M11: 16,963,800 km (0.08 R)
• M12: 21,777,560 km (0.114 R)
• M13: 25,016,654 km (0.114 R)
• M14: 25,668,152 km (0.043 R)
• M15: 26,081,042 km (0.073 R)
• M16: 27,432,210 km (0.106 R)
• M17: 28,740,743 km (0.105 R)
• M18: 29,186,096 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.8

Radius: 7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.19 AU - 8.31 AU

Year: 15802 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,641,183 km

• M1: 87,216 km (0.11 R)
• M2: 389,104 km (0.085 R)
• M3: 648,956 km (0.091 R)
• M4: 966,103 km (0.093 R)
• M5: 1,410,409 km (0.098 R)
• M6: 1,643,482 km (0.06 R)
• M7: 1,983,668 km (0.073 R)
• M8: 3,994,562 km (0.111 R)
• M9: 4,437,522 km (0.101 R)
• M10: 6,035,227 km (0.104 R)
• M11: 6,358,957 km (0.059 R)
• M12: 7,002,078 km (0.11 R)
• M13: 7,239,041 km (0.032 R)
• M14: 8,329,011 km (0.115 R)
• M15: 8,685,353 km (0.053 R)
• M16: 10,725,719 km (0.098 R)
• M17: 12,081,225 km (0.079 R)
• M18: 17,760,409 km (0.06 R)
• M19: 21,090,308 km (0.112 R)
• M20: 21,419,722 km (0.067 R)
• M21: 31,027,795 km (0.111 R)
• M22: 33,309,462 km (0.071 R)
• M23: 35,121,242 km (0.081 R)
• M24: 36,286,310 km (0.101 R)
• M25: 40,821,669 km (0.036 R)
• M26: 42,763,150 km (0.113 R)
• M27: 43,423,774 km (0.115 R)
• M28: 44,765,368 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906

Radius: 4.3

Gravity: 49 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.54 AU - 10.02 AU

Year: 15888 Days

Day: 17 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,641,183 km

• M1: 62,981 km (0.057 R)
• M2: 214,374 km (0.095 R)
• M3: 380,876 km (0.101 R)
• M4: 890,855 km (0.052 R)
• M5: 1,370,616 km (0.1 R)
• M6: 1,608,177 km (0.093 R)
• M7: 1,817,614 km (0.064 R)
• M8: 1,986,361 km (0.04 R)
• M9: 2,145,084 km (0.085 R)
• M10: 2,465,822 km (0.104 R)
• M11: 2,696,950 km (0.06 R)
• M12: 4,075,345 km (0.065 R)
• M13: 5,319,401 km (0.067 R)
• M14: 6,110,175 km (0.118 R)
• M15: 6,277,127 km (0.114 R)
• M16: 10,353,369 km (0.086 R)
• M17: 10,711,208 km (0.082 R)
• M18: 12,558,143 km (0.104 R)
• M19: 15,516,441 km (0.1 R)
• M20: 19,895,320 km (0.063 R)
• M21: 23,878,812 km (0.048 R)
• M22: 25,137,977 km (0.036 R)
• M23: 27,902,247 km (0.082 R)
• M24: 28,131,880 km (0.089 R)
• M25: 34,287,533 km (0.107 R)
• M26: 35,887,931 km (0.112 R)
• M27: 40,986,376 km (0.071 R)
• M28: 41,880,522 km (0.083 R)
• M29: 43,862,245 km (0.087 R)
• M30: 45,270,260 km (0.117 R)
• M31: 45,428,685 km (0.056 R)
• M32: 48,672,415 km (0.106 R)
• M33: 50,350,604 km (0.107 R)
• M34: 53,115,472 km (0.06 R)
• M35: 57,080,115 km (0.101 R)
• M36: 62,209,527 km (0.056 R)
• M37: 63,587,772 km (0.114 R)
• M38: 64,384,530 km (0.104 R)
• M39: 66,405,148 km (0.107 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: 301 - 19,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit