🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.3

Radius: 9.3

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.53 AU - 0.65 AU

Year: 313 Days

Day: 14.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,635,970 km

• M1: 115,639 km (0.113 R)
• M2: 655,089 km (0.111 R)
• M3: 975,229 km (0.119 R)
• M4: 1,396,347 km (0.094 R)
• M5: 1,689,409 km (0.026 R)
• M6: 2,016,729 km (0.086 R)
• M7: 2,312,334 km (0.114 R)
• M8: 2,838,919 km (0.077 R)
• M9: 3,530,360 km (0.109 R)
• M10: 3,904,504 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 8.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.42 AU - 1.92 AU

Year: 1490 Days

Day: 7.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,635,970 km

• M1: 111,002 km (0.046 R)
• M2: 396,434 km (0.112 R)
• M3: 695,481 km (0.103 R)
• M4: 1,062,893 km (0.085 R)
• M5: 1,385,575 km (0.067 R)
• M6: 1,912,758 km (0.114 R)
• M7: 2,784,764 km (0.075 R)
• M8: 4,438,868 km (0.099 R)
• M9: 4,788,777 km (0.089 R)
• M10: 6,419,993 km (0.029 R)
• M11: 6,731,755 km (0.071 R)
• M12: 9,066,379 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.9

Radius: 13.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.07 AU - 2.53 AU

Year: 2408 Days

Day: 7.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,635,970 km

• M1: 166,652 km (0.054 R)
• M2: 665,860 km (0.096 R)
• M3: 1,702,873 km (0.107 R)
• M4: 2,812,290 km (0.119 R)
• M5: 3,264,525 km (0.078 R)
• M6: 4,357,786 km (0.06 R)
• M7: 5,282,151 km (0.116 R)
• M8: 5,828,183 km (0.094 R)
• M9: 6,359,405 km (0.076 R)
• M10: 6,978,292 km (0.107 R)
• M11: 8,027,422 km (0.075 R)
• M12: 9,112,455 km (0.036 R)
• M13: 9,760,064 km (0.117 R)
• M14: 11,339,668 km (0.093 R)
• M15: 13,169,101 km (0.12 R)
• M16: 13,601,139 km (0.11 R)
• M17: 15,472,010 km (0.119 R)
• M18: 16,544,029 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 11.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.97 AU - 2.67 AU

Year: 2439 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,635,970 km

• M1: 145,559 km (0.087 R)
• M2: 620,382 km (0.108 R)
• M3: 1,091,017 km (0.081 R)
• M4: 1,717,234 km (0.116 R)
• M5: 2,399,550 km (0.092 R)
• M6: 3,320,026 km (0.082 R)
• M7: 3,980,949 km (0.075 R)
• M8: 4,422,412 km (0.101 R)
• M9: 5,091,115 km (0.067 R)
• M10: 6,219,382 km (0.045 R)
• M11: 7,281,078 km (0.097 R)
• M12: 8,214,569 km (0.068 R)
• M13: 9,391,306 km (0.114 R)
• M14: 10,212,747 km (0.119 R)
• M15: 11,533,846 km (0.093 R)
• M16: 12,116,829 km (0.105 R)
• M17: 13,984,110 km (0.087 R)
• M18: 15,192,711 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 8.4

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.69 AU - 3.87 AU

Year: 4100 Days

Day: 10.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,635,970 km

• M1: 104,569 km (0.103 R)
• M2: 401,521 km (0.104 R)
• M3: 707,000 km (0.087 R)
• M4: 1,062,594 km (0.105 R)
• M5: 1,740,122 km (0.079 R)
• M6: 2,293,635 km (0.106 R)
• M7: 2,782,072 km (0.057 R)
• M8: 3,182,994 km (0.112 R)
• M9: 3,878,474 km (0.039 R)
• M10: 4,285,829 km (0.115 R)
• M11: 4,646,659 km (0.112 R)
• M12: 5,881,889 km (0.084 R)
• M13: 7,255,796 km (0.048 R)
• M14: 7,527,017 km (0.104 R)
• M15: 8,307,619 km (0.112 R)
• M16: 10,667,375 km (0.094 R)
• M17: 11,651,430 km (0.105 R)
• M18: 13,289,527 km (0.103 R)
• M19: 14,427,967 km (0.117 R)
• M20: 15,240,582 km (0.118 R)
• M21: 15,742,633 km (0.069 R)
• M22: 20,498,648 km (0.054 R)
• M23: 22,441,925 km (0.082 R)
• M24: 25,738,912 km (0.092 R)
• M25: 27,257,330 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.7

Radius: 11.4

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.72 AU - 3.98 AU

Year: 4232 Days

Day: 13.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,635,970 km

• M1: 141,819 km (0.106 R)
• M2: 682,465 km (0.102 R)
• M3: 1,145,471 km (0.102 R)
• M4: 1,617,003 km (0.085 R)
• M5: 3,145,744 km (0.074 R)
• M6: 6,266,804 km (0.101 R)
• M7: 11,480,889 km (0.106 R)
• M8: 12,952,483 km (0.105 R)
• M9: 13,547,284 km (0.117 R)
• M10: 14,643,986 km (0.088 R)
• M11: 15,954,015 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.2

Radius: 12.6

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.7 AU - 5.08 AU

Year: 6349 Days

Day: 10.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,635,970 km

• M1: 187,297 km (0.091 R)
• M2: 745,147 km (0.104 R)
• M3: 1,316,611 km (0.06 R)
• M4: 2,037,673 km (0.099 R)
• M5: 2,497,985 km (0.096 R)
• M6: 3,047,608 km (0.107 R)
• M7: 3,699,555 km (0.075 R)
• M8: 4,241,997 km (0.094 R)
• M9: 4,891,402 km (0.063 R)
• M10: 6,163,133 km (0.073 R)
• M11: 6,722,779 km (0.085 R)
• M12: 7,173,367 km (0.118 R)
• M13: 8,448,540 km (0.099 R)
• M14: 9,651,157 km (0.096 R)
• M15: 10,453,151 km (0.12 R)
• M16: 11,202,786 km (0.088 R)
• M17: 11,887,944 km (0.027 R)
• M18: 13,504,499 km (0.114 R)
• M19: 14,737,634 km (0.111 R)
• M20: 16,663,258 km (0.035 R)
• M21: 17,752,031 km (0.115 R)
• M22: 18,481,321 km (0.085 R)
• M23: 18,955,845 km (0.119 R)
• M24: 23,049,741 km (0.032 R)
• M25: 23,520,675 km (0.057 R)
• M26: 24,481,841 km (0.085 R)
• M27: 27,964,031 km (0.08 R)
• M28: 31,378,602 km (0.03 R)
• M29: 33,136,228 km (0.103 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: 476 - 17,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit