🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.1

Radius: 8.2

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.88 AU - 1 AU

Year: 618 Days

Day: 7.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,309,264 km

• M1: 102,175 km (0.074 R)
• M2: 359,783 km (0.088 R)
• M3: 934,538 km (0.09 R)
• M4: 1,585,289 km (0.114 R)
• M5: 2,390,424 km (0.094 R)
• M6: 2,934,213 km (0.08 R)
• M7: 3,247,770 km (0.067 R)
• M8: 3,780,189 km (0.092 R)
• M9: 4,053,654 km (0.089 R)
• M10: 4,826,925 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.9

Radius: 13.1

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.96 AU - 1.44 AU

Year: 892 Days

Day: 13.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,309,264 km

• M1: 162,912 km (0.062 R)
• M2: 574,755 km (0.09 R)
• M3: 1,021,005 km (0.117 R)
• M4: 1,594,414 km (0.055 R)
• M5: 2,066,545 km (0.094 R)
• M6: 2,532,991 km (0.103 R)
• M7: 4,261,295 km (0.091 R)
• M8: 5,202,565 km (0.046 R)
• M9: 6,076,965 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.4

Radius: 9.5

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.97 AU - 1.49 AU

Year: 925 Days

Day: 5.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,309,264 km

• M1: 118,182 km (0.077 R)
• M2: 485,894 km (0.034 R)
• M3: 867,069 km (0.12 R)
• M4: 1,204,263 km (0.099 R)
• M5: 1,655,899 km (0.091 R)
• M6: 2,196,546 km (0.069 R)
• M7: 3,087,550 km (0.11 R)
• M8: 4,354,644 km (0.084 R)
• M9: 4,815,107 km (0.092 R)
• M10: 5,896,699 km (0.116 R)
• M11: 6,849,488 km (0.042 R)
• M12: 7,204,933 km (0.108 R)
• M13: 8,082,474 km (0.055 R)
• M14: 8,642,269 km (0.03 R)
• M15: 9,515,621 km (0.116 R)
• M16: 10,384,935 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.6

Radius: 12.9

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.24 AU - 3.56 AU

Year: 3350 Days

Day: 6.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,309,264 km

• M1: 160,369 km (0.107 R)
• M2: 782,397 km (0.084 R)
• M3: 1,300,305 km (0.075 R)
• M4: 2,190,711 km (0.075 R)
• M5: 3,255,100 km (0.114 R)
• M6: 4,932,840 km (0.092 R)
• M7: 5,803,201 km (0.086 R)
• M8: 9,341,340 km (0.107 R)
• M9: 10,843,302 km (0.109 R)
• M10: 11,833,192 km (0.055 R)
• M11: 12,462,999 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.8

Radius: 14.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.9 AU - 5.4 AU

Year: 6801 Days

Day: 8.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,309,264 km

• M1: 185,352 km (0.105 R)
• M2: 815,608 km (0.057 R)
• M3: 1,342,491 km (0.071 R)
• M4: 1,957,937 km (0.07 R)
• M5: 2,945,432 km (0.089 R)
• M6: 3,475,308 km (0.119 R)
• M7: 4,134,287 km (0.047 R)
• M8: 5,201,817 km (0.108 R)
• M9: 5,842,545 km (0.086 R)
• M10: 6,996,543 km (0.036 R)
• M11: 8,403,960 km (0.096 R)
• M12: 9,289,130 km (0.081 R)
• M13: 11,376,320 km (0.109 R)
• M14: 12,182,951 km (0.05 R)
• M15: 13,910,358 km (0.092 R)
• M16: 22,060,001 km (0.095 R)
• M17: 24,617,078 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.1

Radius: 5.1

Gravity: 35.64 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.14 AU - 7.44 AU

Year: 13350 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,309,264 km

• M1: 63,429 km (0.027 R)
• M2: 362,476 km (0.091 R)
• M3: 608,564 km (0.111 R)
• M4: 1,054,815 km (0.068 R)
• M5: 1,285,794 km (0.069 R)
• M6: 1,519,017 km (0.118 R)
• M7: 1,695,393 km (0.101 R)
• M8: 2,268,053 km (0.059 R)
• M9: 4,235,415 km (0.118 R)
• M10: 4,425,105 km (0.082 R)
• M11: 5,028,284 km (0.072 R)
• M12: 5,205,108 km (0.104 R)
• M13: 7,077,326 km (0.094 R)
• M14: 10,864,994 km (0.12 R)
• M15: 12,208,682 km (0.116 R)
• M16: 16,198,158 km (0.097 R)
• M17: 19,034,683 km (0.112 R)
• M18: 21,436,776 km (0.115 R)
• M19: 26,832,472 km (0.099 R)
• M20: 27,592,130 km (0.116 R)
• M21: 39,921,688 km (0.037 R)
• M22: 40,202,782 km (0.085 R)
• M23: 43,678,689 km (0.112 R)
• M24: 49,583,317 km (0.089 R)
• M25: 53,233,654 km (0.113 R)
• M26: 55,998,223 km (0.069 R)
• M27: 61,436,854 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425

Radius: 6.2

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.45 AU - 10.29 AU

Year: 17917 Days

Day: 23 Hours

Environment

Temp: -231 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,309,264 km

• M1: 77,641 km (0.054 R)
• M2: 477,367 km (0.082 R)
• M3: 899,382 km (0.108 R)
• M4: 1,316,162 km (0.114 R)
• M5: 2,163,933 km (0.058 R)
• M6: 2,507,709 km (0.063 R)
• M7: 4,766,487 km (0.074 R)
• M8: 6,330,533 km (0.073 R)
• M9: 11,349,542 km (0.054 R)
• M10: 13,349,216 km (0.098 R)
• M11: 13,614,603 km (0.057 R)
• M12: 14,087,631 km (0.079 R)
• M13: 15,940,700 km (0.11 R)
• M14: 17,710,294 km (0.072 R)
• M15: 19,099,759 km (0.1 R)
• M16: 20,825,370 km (0.095 R)
• M17: 24,683,050 km (0.119 R)
• M18: 32,086,948 km (0.117 R)
• M19: 44,574,481 km (0.084 R)
• M20: 46,067,467 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 13,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit