🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.39 AU - 0.63 AU

Year: 235 Days

Day: 22.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.9

Radius: 14.5

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.76 AU - 0.92 AU

Year: 497 Days

Day: 11.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 11,205,230 km

• M1: 189,690 km (0.053 R)
• M2: 295,007 km (0.046 R)
• M3: 387,309 km (0.062 R)
• M4: 479,312 km (0.107 R)
• M5: 569,669 km (0.04 R)
• M6: 697,575 km (0.088 R)
• M7: 840,590 km (0.069 R)
• M8: 948,451 km (0.115 R)
• M9: 1,097,899 km (0.109 R)
• M10: 1,342,491 km (0.106 R)
• M11: 1,582,147 km (0.079 R)
• M12: 1,700,329 km (0.06 R)
• M13: 1,806,843 km (0.102 R)
• M14: 1,915,900 km (0.099 R)
• M15: 2,032,287 km (0.058 R)
• M16: 2,293,934 km (0.078 R)
• M17: 2,516,835 km (0.108 R)
• M18: 2,667,629 km (0.113 R)
• M19: 2,821,565 km (0.082 R)
• M20: 2,996,146 km (0.089 R)
• M21: 3,102,809 km (0.079 R)
• M22: 3,252,856 km (0.1 R)
• M23: 3,374,778 km (0.094 R)
• M24: 3,699,107 km (0.09 R)
• M25: 3,826,564 km (0.114 R)
• M26: 3,955,667 km (0.112 R)
• M27: 4,079,534 km (0.079 R)
• M28: 4,629,306 km (0.105 R)
• M29: 4,787,880 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.5

Radius: 14.7

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.87 AU - 1.03 AU

Year: 598 Days

Day: 13.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 11,205,230 km

• M1: 183,856 km (0.072 R)
• M2: 277,803 km (0.049 R)
• M3: 373,247 km (0.033 R)
• M4: 495,468 km (0.045 R)
• M5: 593,754 km (0.05 R)
• M6: 688,300 km (0.118 R)
• M7: 819,796 km (0.091 R)
• M8: 942,317 km (0.081 R)
• M9: 1,042,548 km (0.09 R)
• M10: 1,197,681 km (0.076 R)
• M11: 1,334,263 km (0.115 R)
• M12: 1,470,996 km (0.116 R)
• M13: 1,589,627 km (0.104 R)
• M14: 1,711,699 km (0.118 R)
• M15: 1,861,446 km (0.109 R)
• M16: 2,009,548 km (0.114 R)
• M17: 2,265,361 km (0.074 R)
• M18: 2,417,502 km (0.073 R)
• M19: 2,732,256 km (0.115 R)
• M20: 2,901,899 km (0.107 R)
• M21: 2,995,249 km (0.114 R)
• M22: 3,118,966 km (0.11 R)
• M23: 3,229,519 km (0.1 R)
• M24: 3,561,776 km (0.101 R)
• M25: 3,724,239 km (0.07 R)
• M26: 3,849,752 km (0.118 R)
• M27: 4,024,781 km (0.096 R)
• M28: 4,129,500 km (0.095 R)
• M29: 4,235,116 km (0.092 R)
• M30: 4,432,435 km (0.088 R)
• M31: 4,683,610 km (0.08 R)
• M32: 4,785,337 km (0.102 R)
• M33: 4,887,811 km (0.053 R)
• M34: 5,017,064 km (0.061 R)
• M35: 5,208,699 km (0.072 R)
• M36: 5,367,272 km (0.058 R)
• M37: 5,482,912 km (0.108 R)
• M38: 5,590,323 km (0.119 R)
• M39: 5,734,685 km (0.11 R)
• M40: 5,861,993 km (0.073 R)
• M41: 6,045,549 km (0.107 R)
• M42: 6,138,150 km (0.084 R)
• M43: 6,296,425 km (0.113 R)
• M44: 6,418,497 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.4

Radius: 14.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.31 AU - 2.15 AU

Year: 1469 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 11,205,230 km

• M1: 181,911 km (0.111 R)
• M2: 321,336 km (0.051 R)
• M3: 527,781 km (0.095 R)
• M4: 654,790 km (0.04 R)
• M5: 904,768 km (0.059 R)
• M6: 1,187,508 km (0.061 R)
• M7: 1,340,247 km (0.093 R)
• M8: 1,508,096 km (0.102 R)
• M9: 1,632,412 km (0.112 R)
• M10: 1,847,833 km (0.083 R)
• M11: 2,100,653 km (0.052 R)
• M12: 2,462,231 km (0.095 R)
• M13: 2,660,598 km (0.068 R)
• M14: 2,874,822 km (0.071 R)
• M15: 3,010,508 km (0.033 R)
• M16: 3,105,652 km (0.086 R)
• M17: 3,353,386 km (0.032 R)
• M18: 3,496,401 km (0.08 R)
• M19: 3,754,607 km (0.06 R)
• M20: 3,880,270 km (0.068 R)
• M21: 3,995,909 km (0.103 R)
• M22: 4,159,569 km (0.087 R)
• M23: 4,301,687 km (0.092 R)
• M24: 4,591,009 km (0.106 R)
• M25: 4,824,531 km (0.112 R)
• M26: 4,974,129 km (0.079 R)
• M27: 5,758,471 km (0.1 R)
• M28: 6,037,471 km (0.047 R)
• M29: 6,171,959 km (0.095 R)
• M30: 6,567,646 km (0.115 R)
• M31: 6,733,849 km (0.086 R)
• M32: 7,141,204 km (0.038 R)
• M33: 7,283,621 km (0.093 R)
• M34: 7,441,297 km (0.101 R)
• M35: 7,629,192 km (0.076 R)
• M36: 7,950,678 km (0.091 R)
• M37: 8,321,531 km (0.117 R)
• M38: 8,774,214 km (0.085 R)
• M39: 8,942,063 km (0.116 R)
• M40: 9,034,215 km (0.085 R)
• M41: 9,468,199 km (0.094 R)
• M42: 9,577,704 km (0.084 R)
• M43: 10,020,215 km (0.078 R)
• M44: 10,211,850 km (0.094 R)
• M45: 10,404,831 km (0.096 R)
• M46: 10,892,520 km (0.118 R)
• M47: 11,007,411 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 19,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit