🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.41 AU - 0.59 AU

Year: 228 Days

Day: 36.3 Hours

Environment

Temp: -112 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.5 AU - 0.62 AU

Year: 271 Days

Day: 18.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.59 AU - 0.65 AU

Year: 315 Days

Day: 24.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,176,118 km

• M1: 559,646 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.3

Radius: 14

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.07 AU - 1.31 AU

Year: 838 Days

Day: 7.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,176,118 km

• M1: 174,132 km (0.067 R)
• M2: 652,396 km (0.114 R)
• M3: 1,157,439 km (0.11 R)
• M4: 2,062,955 km (0.083 R)
• M5: 3,074,087 km (0.084 R)
• M6: 3,925,448 km (0.113 R)
• M7: 4,958,272 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.9

Radius: 8.1

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.13 AU - 1.27 AU

Year: 849 Days

Day: 14.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,176,118 km

• M1: 100,829 km (0.098 R)
• M2: 387,758 km (0.108 R)
• M3: 698,323 km (0.073 R)
• M4: 1,124,078 km (0.091 R)
• M5: 1,628,373 km (0.101 R)
• M6: 1,918,593 km (0.104 R)
• M7: 3,331,395 km (0.075 R)
• M8: 3,912,583 km (0.039 R)
• M9: 4,202,803 km (0.098 R)
• M10: 4,991,931 km (0.111 R)
• M11: 5,550,530 km (0.083 R)
• M12: 6,107,483 km (0.094 R)
• M13: 6,815,230 km (0.101 R)
• M14: 7,189,075 km (0.087 R)
• M15: 7,625,901 km (0.084 R)
• M16: 8,261,842 km (0.1 R)
• M17: 9,182,916 km (0.038 R)
• M18: 9,814,219 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 8.5

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.3 AU - 2.14 AU

Year: 1456 Days

Day: 10.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,176,118 km

• M1: 106,065 km (0.115 R)
• M2: 396,434 km (0.071 R)
• M3: 874,998 km (0.101 R)
• M4: 1,260,811 km (0.07 R)
• M5: 1,554,023 km (0.095 R)
• M6: 1,829,881 km (0.089 R)
• M7: 2,197,443 km (0.063 R)
• M8: 2,534,338 km (0.11 R)
• M9: 3,022,475 km (0.062 R)
• M10: 3,792,456 km (0.083 R)
• M11: 4,261,146 km (0.105 R)
• M12: 4,890,205 km (0.105 R)
• M13: 5,445,961 km (0.101 R)
• M14: 6,382,144 km (0.057 R)
• M15: 6,682,986 km (0.056 R)
• M16: 7,953,670 km (0.078 R)
• M17: 8,302,532 km (0.098 R)
• M18: 8,968,392 km (0.11 R)
• M19: 10,440,884 km (0.069 R)
• M20: 11,252,752 km (0.052 R)
• M21: 13,364,176 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.4

Radius: 14.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.31 AU - 5.89 AU

Year: 8557 Days

Day: 6.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,176,118 km

• M1: 182,210 km (0.081 R)
• M2: 1,010,534 km (0.04 R)
• M3: 3,022,625 km (0.118 R)
• M4: 3,542,178 km (0.12 R)
• M5: 4,312,009 km (0.117 R)
• M6: 4,947,501 km (0.061 R)
• M7: 12,455,668 km (0.116 R)
• M8: 16,242,290 km (0.077 R)
• M9: 18,235,083 km (0.105 R)
• M10: 21,234,969 km (0.1 R)
• M11: 25,429,843 km (0.116 R)
• M12: 28,544,171 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.2

Radius: 3.8

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.68 AU - 9.76 AU

Year: 15217 Days

Day: 16.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,176,118 km

• M1: 47,273 km (0.075 R)
• M2: 258,655 km (0.096 R)
• M3: 468,690 km (0.113 R)
• M4: 986,000 km (0.099 R)
• M5: 1,163,572 km (0.059 R)
• M6: 3,020,381 km (0.081 R)
• M7: 3,927,842 km (0.075 R)
• M8: 4,213,574 km (0.076 R)
• M9: 4,375,139 km (0.066 R)
• M10: 5,154,245 km (0.114 R)
• M11: 6,226,712 km (0.11 R)
• M12: 7,518,041 km (0.113 R)
• M13: 8,205,294 km (0.115 R)
• M14: 8,889,554 km (0.063 R)
• M15: 9,066,379 km (0.057 R)
• M16: 10,419,492 km (0.104 R)
• M17: 10,815,328 km (0.108 R)
• M18: 11,955,114 km (0.085 R)
• M19: 16,440,656 km (0.072 R)
• M20: 19,017,330 km (0.094 R)
• M21: 20,134,377 km (0.096 R)
• M22: 21,294,509 km (0.062 R)
• M23: 22,011,531 km (0.102 R)
• M24: 25,216,965 km (0.071 R)
• M25: 25,929,201 km (0.066 R)
• M26: 26,563,496 km (0.077 R)
• M27: 34,235,922 km (0.119 R)
• M28: 35,439,885 km (0.113 R)
• M29: 36,108,288 km (0.033 R)
• M30: 39,339,303 km (0.089 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 16,049 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit