🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.5

Radius: 9.1

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.73 AU - 0.91 AU

Year: 472 Days

Day: 7.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,015,371 km

• M1: 113,246 km (0.081 R)
• M2: 423,811 km (0.081 R)
• M3: 849,566 km (0.101 R)
• M4: 1,236,576 km (0.095 R)
• M5: 1,524,851 km (0.093 R)
• M6: 1,820,905 km (0.053 R)
• M7: 2,130,423 km (0.05 R)
• M8: 2,466,121 km (0.058 R)
• M9: 2,775,938 km (0.094 R)
• M10: 3,853,641 km (0.115 R)
• M11: 4,165,553 km (0.105 R)
• M12: 5,081,092 km (0.091 R)
• M13: 5,377,295 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.3

Radius: 10.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.96 AU - 1 AU

Year: 617 Days

Day: 10.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,015,371 km

• M1: 133,142 km (0.082 R)
• M2: 473,477 km (0.091 R)
• M3: 866,022 km (0.082 R)
• M4: 1,257,071 km (0.114 R)
• M5: 1,759,271 km (0.089 R)
• M6: 2,199,837 km (0.066 R)
• M7: 2,757,089 km (0.091 R)
• M8: 3,444,641 km (0.045 R)
• M9: 3,843,319 km (0.052 R)
• M10: 4,257,855 km (0.113 R)
• M11: 4,976,822 km (0.075 R)
• M12: 5,648,217 km (0.076 R)
• M13: 6,204,871 km (0.041 R)
• M14: 6,636,162 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 11.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.89 AU - 1.33 AU

Year: 744 Days

Day: 5.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,015,371 km

• M1: 145,559 km (0.051 R)
• M2: 511,475 km (0.051 R)
• M3: 1,365,081 km (0.12 R)
• M4: 2,079,410 km (0.114 R)
• M5: 2,585,650 km (0.096 R)
• M6: 2,975,053 km (0.096 R)
• M7: 3,609,049 km (0.111 R)
• M8: 4,057,992 km (0.099 R)
• M9: 4,991,782 km (0.097 R)
• M10: 5,584,189 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.3

Radius: 13.1

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.52 AU - 1.64 AU

Year: 1263 Days

Day: 6.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,015,371 km

• M1: 162,912 km (0.114 R)
• M2: 633,547 km (0.11 R)
• M3: 1,386,174 km (0.059 R)
• M4: 2,393,716 km (0.074 R)
• M5: 3,086,653 km (0.025 R)
• M6: 3,724,538 km (0.098 R)
• M7: 4,191,583 km (0.104 R)
• M8: 4,736,867 km (0.072 R)
• M9: 5,414,695 km (0.087 R)
• M10: 6,156,401 km (0.077 R)
• M11: 6,588,889 km (0.083 R)
• M12: 7,016,140 km (0.063 R)
• M13: 8,556,250 km (0.099 R)
• M14: 9,281,351 km (0.048 R)
• M15: 10,278,271 km (0.054 R)
• M16: 11,380,808 km (0.09 R)
• M17: 12,522,539 km (0.112 R)
• M18: 13,062,736 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.6

Radius: 4.7

Gravity: 32.76 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.95 AU - 7.55 AU

Year: 11150 Days

Day: 16.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 55,015,371 km

• M1: 58,493 km (0.043 R)
• M2: 289,771 km (0.09 R)
• M3: 484,248 km (0.086 R)
• M4: 1,067,680 km (0.06 R)
• M5: 1,760,617 km (0.113 R)
• M6: 3,168,782 km (0.047 R)
• M7: 3,339,324 km (0.082 R)
• M8: 3,619,670 km (0.117 R)
• M9: 4,773,070 km (0.054 R)
• M10: 4,997,466 km (0.112 R)
• M11: 5,296,513 km (0.095 R)
• M12: 6,040,313 km (0.097 R)
• M13: 7,262,229 km (0.104 R)
• M14: 7,953,371 km (0.119 R)
• M15: 9,316,058 km (0.098 R)
• M16: 9,667,014 km (0.103 R)
• M17: 9,820,053 km (0.042 R)
• M18: 10,827,295 km (0.103 R)
• M19: 10,992,302 km (0.104 R)
• M20: 16,618,229 km (0.075 R)
• M21: 17,283,491 km (0.088 R)
• M22: 20,205,586 km (0.102 R)
• M23: 21,048,570 km (0.106 R)
• M24: 23,532,942 km (0.074 R)
• M25: 23,996,246 km (0.09 R)
• M26: 24,560,230 km (0.066 R)
• M27: 24,750,070 km (0.094 R)
• M28: 25,422,662 km (0.1 R)
• M29: 27,309,241 km (0.045 R)
• M30: 27,615,468 km (0.077 R)
• M31: 27,820,866 km (0.066 R)
• M32: 28,443,193 km (0.099 R)
• M33: 30,914,699 km (0.102 R)
• M34: 31,694,403 km (0.062 R)
• M35: 32,373,129 km (0.075 R)
• M36: 34,586,280 km (0.071 R)
• M37: 36,526,564 km (0.117 R)
• M38: 37,901,668 km (0.1 R)
• M39: 41,692,029 km (0.042 R)
• M40: 43,470,299 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71

Radius: 4.7

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.45 AU - 7.31 AU

Year: 11474 Days

Day: 23.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 127.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,015,371 km

• M1: 161,267 km (0.095 R)
• M2: 501,153 km (0.049 R)
• M3: 927,208 km (0.114 R)
• M4: 1,988,604 km (0.063 R)
• M5: 7,529,410 km (0.027 R)
• M6: 8,041,035 km (0.069 R)
• M7: 10,361,747 km (0.076 R)
• M8: 12,949,042 km (0.065 R)
• M9: 21,166,154 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.2

Radius: 6.1

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.2 AU - 9.98 AU

Year: 16007 Days

Day: 15.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,015,371 km

• M1: 75,996 km (0.033 R)
• M2: 268,827 km (0.043 R)
• M3: 458,667 km (0.054 R)
• M4: 735,573 km (0.096 R)
• M5: 1,041,500 km (0.067 R)
• M6: 1,696,739 km (0.12 R)
• M7: 2,086,292 km (0.118 R)
• M8: 2,725,524 km (0.066 R)
• M9: 2,926,882 km (0.08 R)
• M10: 3,671,730 km (0.112 R)
• M11: 4,031,064 km (0.069 R)
• M12: 4,884,670 km (0.083 R)
• M13: 6,421,489 km (0.053 R)
• M14: 7,235,750 km (0.081 R)
• M15: 8,536,055 km (0.09 R)
• M16: 9,366,771 km (0.041 R)
• M17: 11,707,081 km (0.112 R)
• M18: 13,682,969 km (0.06 R)
• M19: 14,142,983 km (0.06 R)
• M20: 14,477,932 km (0.096 R)
• M21: 17,122,972 km (0.094 R)
• M22: 18,678,940 km (0.082 R)
• M23: 20,753,264 km (0.104 R)
• M24: 21,801,496 km (0.09 R)
• M25: 22,701,626 km (0.111 R)
• M26: 26,855,810 km (0.11 R)
• M27: 30,146,664 km (0.102 R)
• M28: 30,925,321 km (0.092 R)
• M29: 32,755,202 km (0.11 R)
• M30: 35,880,750 km (0.076 R)
• M31: 37,771,518 km (0.115 R)
• M32: 42,578,247 km (0.1 R)
• M33: 45,853,543 km (0.049 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: 507 - 12,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit