🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.8

Radius: 13.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.61 AU - 0.97 AU

Year: 485 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,554,616 km

• M1: 169,195 km (0.069 R)
• M2: 683,812 km (0.041 R)
• M3: 1,169,855 km (0.089 R)
• M4: 1,801,906 km (0.039 R)
• M5: 2,523,417 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.6

Radius: 11.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.87 AU - 0.99 AU

Year: 619 Days

Day: 9.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,554,616 km

• M1: 147,952 km (0.088 R)
• M2: 529,576 km (0.092 R)
• M3: 1,088,773 km (0.116 R)
• M4: 1,757,775 km (0.075 R)
• M5: 2,241,874 km (0.116 R)
• M6: 2,638,607 km (0.056 R)
• M7: 3,300,578 km (0.036 R)
• M8: 3,842,571 km (0.101 R)
• M9: 4,267,429 km (0.087 R)
• M10: 4,912,345 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298

Radius: 10.8

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.41 AU - 1.71 AU

Year: 1345 Days

Day: 14 Hours

Environment

Temp: -198 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,554,616 km

• M1: 134,339 km (0.097 R)
• M2: 565,630 km (0.059 R)
• M3: 1,281,306 km (0.113 R)
• M4: 1,630,916 km (0.049 R)
• M5: 2,195,199 km (0.107 R)
• M6: 2,541,069 km (0.092 R)
• M7: 2,898,608 km (0.1 R)
• M8: 3,276,193 km (0.103 R)
• M9: 4,179,615 km (0.1 R)
• M10: 5,606,629 km (0.094 R)
• M11: 6,196,793 km (0.112 R)
• M12: 7,101,561 km (0.107 R)
• M13: 7,646,396 km (0.055 R)
• M14: 8,092,048 km (0.117 R)
• M15: 8,686,700 km (0.116 R)
• M16: 9,035,412 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.6

Radius: 8.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.54 AU - 4.2 AU

Year: 4270 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,554,616 km

• M1: 131,796 km (0.12 R)
• M2: 1,138,739 km (0.115 R)
• M3: 1,426,416 km (0.116 R)
• M4: 1,740,571 km (0.071 R)
• M5: 2,313,082 km (0.11 R)
• M6: 6,999,236 km (0.06 R)
• M7: 10,593,773 km (0.094 R)
• M8: 13,005,590 km (0.115 R)
• M9: 15,459,743 km (0.034 R)
• M10: 15,964,786 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.2

Radius: 7.3

Gravity: 16.01 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.63 AU - 8.71 AU

Year: 13252 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,554,616 km

• M1: 90,806 km (0.102 R)
• M2: 573,109 km (0.071 R)
• M3: 1,300,155 km (0.069 R)
• M4: 1,559,558 km (0.112 R)
• M5: 2,204,025 km (0.074 R)
• M6: 2,777,584 km (0.088 R)
• M7: 4,531,469 km (0.063 R)
• M8: 6,791,743 km (0.071 R)
• M9: 7,048,304 km (0.083 R)
• M10: 7,445,336 km (0.111 R)
• M11: 11,416,412 km (0.115 R)
• M12: 13,849,472 km (0.089 R)
• M13: 14,402,535 km (0.058 R)
• M14: 16,685,548 km (0.03 R)
• M15: 18,694,199 km (0.05 R)
• M16: 21,401,920 km (0.089 R)
• M17: 22,992,594 km (0.071 R)
• M18: 25,166,102 km (0.072 R)
• M19: 26,724,164 km (0.094 R)
• M20: 35,488,654 km (0.112 R)
• M21: 40,863,706 km (0.089 R)
• M22: 41,145,847 km (0.084 R)
• M23: 44,336,022 km (0.092 R)
• M24: 45,083,413 km (0.056 R)
• M25: 47,065,884 km (0.037 R)
• M26: 52,192,004 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.3

Radius: 6.8

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.9 AU - 9.83 AU

Year: 15211 Days

Day: 21.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,554,616 km

• M1: 85,420 km (0.03 R)
• M2: 311,612 km (0.109 R)
• M3: 563,984 km (0.106 R)
• M4: 925,263 km (0.109 R)
• M5: 1,419,534 km (0.119 R)
• M6: 2,059,065 km (0.091 R)
• M7: 2,403,439 km (0.057 R)
• M8: 3,134,524 km (0.118 R)
• M9: 3,644,653 km (0.057 R)
• M10: 4,543,138 km (0.115 R)
• M11: 5,162,024 km (0.115 R)
• M12: 6,136,505 km (0.109 R)
• M13: 9,225,850 km (0.09 R)
• M14: 10,001,665 km (0.107 R)
• M15: 10,542,461 km (0.101 R)
• M16: 11,800,729 km (0.103 R)
• M17: 12,527,625 km (0.119 R)
• M18: 17,297,852 km (0.103 R)
• M19: 19,041,715 km (0.059 R)
• M20: 20,553,102 km (0.058 R)
• M21: 23,812,690 km (0.095 R)
• M22: 24,873,488 km (0.074 R)
• M23: 26,472,390 km (0.083 R)
• M24: 28,138,462 km (0.088 R)
• M25: 36,632,779 km (0.096 R)
• M26: 39,492,940 km (0.067 R)
• M27: 40,298,076 km (0.045 R)
• M28: 40,568,998 km (0.065 R)
• M29: 42,498,661 km (0.065 R)
• M30: 44,488,761 km (0.075 R)
• M31: 45,068,453 km (0.083 R)
• M32: 45,360,318 km (0.087 R)
• M33: 48,347,788 km (0.085 R)
• M34: 49,734,111 km (0.073 R)
• M35: 51,942,774 km (0.077 R)
• M36: 53,233,654 km (0.049 R)
• M37: 55,043,639 km (0.1 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: 270 - 13,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit