🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.68 AU - 1.1 AU

Year: 299 Days

Day: 12.7 Hours

Environment

Temp: 161 °C

Axial Tilt: 11.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.34 AU - 1.48 AU

Year: 597 Days

Day: 17.9 Hours

Environment

Temp: -5 °C

Axial Tilt: 49.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.62 AU - 1.92 AU

Year: 839 Days

Day: 29.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.2

Radius: 8.4

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.4 AU - 8.72 AU

Year: 6687 Days

Day: 8.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,561,474 km

• M1: 104,419 km (0.063 R)
• M2: 453,282 km (0.08 R)
• M3: 779,854 km (0.083 R)
• M4: 1,166,415 km (0.036 R)
• M5: 1,636,750 km (0.12 R)
• M6: 2,245,614 km (0.092 R)
• M7: 2,895,317 km (0.116 R)
• M8: 4,293,160 km (0.099 R)
• M9: 4,619,283 km (0.092 R)
• M10: 7,978,653 km (0.069 R)
• M11: 8,814,157 km (0.079 R)
• M12: 9,478,222 km (0.108 R)
• M13: 11,723,237 km (0.087 R)
• M14: 12,857,339 km (0.088 R)
• M15: 13,944,915 km (0.062 R)
• M16: 14,541,362 km (0.118 R)
• M17: 15,657,811 km (0.106 R)
• M18: 17,031,418 km (0.106 R)
• M19: 22,920,189 km (0.075 R)
• M20: 29,939,171 km (0.094 R)
• M21: 30,234,478 km (0.03 R)
• M22: 35,010,988 km (0.105 R)
• M23: 37,122,562 km (0.1 R)
• M24: 37,577,788 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.2

Radius: 13.1

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.11 AU - 8.67 AU

Year: 7900 Days

Day: 12.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,561,474 km

• M1: 162,912 km (0.088 R)
• M2: 599,439 km (0.084 R)
• M3: 1,563,597 km (0.053 R)
• M4: 2,217,489 km (0.092 R)
• M5: 3,399,013 km (0.103 R)
• M6: 4,104,068 km (0.102 R)
• M7: 4,759,755 km (0.096 R)
• M8: 5,327,479 km (0.118 R)
• M9: 6,744,321 km (0.095 R)
• M10: 9,141,028 km (0.096 R)
• M11: 10,021,262 km (0.069 R)
• M12: 10,957,146 km (0.035 R)
• M13: 12,167,244 km (0.095 R)
• M14: 14,116,504 km (0.028 R)
• M15: 15,548,155 km (0.112 R)
• M16: 16,734,467 km (0.096 R)
• M17: 19,887,840 km (0.119 R)
• M18: 22,007,941 km (0.082 R)
• M19: 23,417,751 km (0.06 R)
• M20: 35,129,021 km (0.073 R)
• M21: 36,025,561 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.3

Radius: 8.2

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.22 AU - 9.78 AU

Year: 8833 Days

Day: 6.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,561,474 km

• M1: 106,962 km (0.116 R)
• M2: 487,539 km (0.11 R)
• M3: 1,494,333 km (0.088 R)
• M4: 2,223,772 km (0.079 R)
• M5: 5,656,595 km (0.04 R)
• M6: 6,823,009 km (0.099 R)
• M7: 8,846,919 km (0.103 R)
• M8: 10,580,459 km (0.111 R)
• M9: 12,644,162 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.8

Radius: 6.6

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 13.11 AU - 17.93 AU

Year: 21794 Days

Day: 22.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,561,474 km

• M1: 82,129 km (0.084 R)
• M2: 307,124 km (0.091 R)
• M3: 558,299 km (0.086 R)
• M4: 1,179,878 km (0.101 R)
• M5: 1,828,385 km (0.077 R)
• M6: 2,231,551 km (0.093 R)
• M7: 2,933,016 km (0.113 R)
• M8: 3,772,709 km (0.04 R)
• M9: 4,075,046 km (0.101 R)
• M10: 4,492,125 km (0.077 R)
• M11: 4,937,478 km (0.048 R)
• M12: 7,198,650 km (0.06 R)
• M13: 8,451,831 km (0.1 R)
• M14: 9,400,431 km (0.073 R)
• M15: 9,676,140 km (0.059 R)
• M16: 11,570,199 km (0.071 R)
• M17: 12,274,655 km (0.107 R)
• M18: 13,143,669 km (0.064 R)
• M19: 19,236,641 km (0.094 R)
• M20: 19,951,569 km (0.071 R)
• M21: 22,299,807 km (0.071 R)
• M22: 24,721,497 km (0.05 R)
• M23: 28,444,390 km (0.034 R)
• M24: 35,495,685 km (0.11 R)
• M25: 36,978,649 km (0.1 R)
• M26: 39,923,333 km (0.09 R)
• M27: 40,211,758 km (0.098 R)
• M28: 41,674,376 km (0.119 R)
• M29: 46,593,005 km (0.111 R)
• M30: 48,532,990 km (0.057 R)
• M31: 53,267,613 km (0.032 R)
• M32: 59,419,526 km (0.106 R)
• M33: 59,984,109 km (0.072 R)
• M34: 64,036,266 km (0.045 R)
• M35: 64,828,237 km (0.09 R)
• M36: 67,243,495 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.2

Radius: 3.6

Gravity: 47.55 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 14.29 AU - 22.25 AU

Year: 27836 Days

Day: 20.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 91,561,474 km

• M1: 141,819 km (0.116 R)
• M2: 478,713 km (0.095 R)
• M3: 643,271 km (0.048 R)
• M4: 1,232,537 km (0.089 R)
• M5: 2,987,769 km (0.101 R)
• M6: 3,274,099 km (0.077 R)
• M7: 3,935,022 km (0.093 R)
• M8: 5,771,037 km (0.096 R)
• M9: 9,010,878 km (0.116 R)
• M10: 11,144,593 km (0.114 R)
• M11: 17,082,431 km (0.041 R)
• M12: 18,272,782 km (0.062 R)
• M13: 19,322,360 km (0.104 R)
• M14: 20,110,442 km (0.065 R)
• M15: 21,540,747 km (0.117 R)
• M16: 22,495,181 km (0.092 R)
• M17: 26,355,405 km (0.102 R)
• M18: 27,079,608 km (0.04 R)
• M19: 28,693,769 km (0.083 R)
• M20: 29,848,216 km (0.071 R)
• M21: 38,499,162 km (0.11 R)
• M22: 40,060,066 km (0.108 R)
• M23: 42,644,369 km (0.095 R)
• M24: 45,854,889 km (0.053 R)
• M25: 47,430,454 km (0.109 R)
• M26: 50,874,197 km (0.058 R)
• M27: 53,515,945 km (0.111 R)
• M28: 54,675,479 km (0.106 R)
• M29: 58,865,865 km (0.07 R)
• M30: 65,435,006 km (0.109 R)
• M31: 73,419,643 km (0.078 R)
• M32: 76,787,241 km (0.076 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 19,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit