🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.54 AU - 0.6 AU

Year: 163 Days

Day: 27.8 Hours

Environment

Temp: 201 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,021,742 km

• M1: 38,147 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.93 AU - 0.93 AU

Year: 340 Days

Day: 30 Hours

Environment

Temp: 25 °C

Axial Tilt: 13.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.02 AU - 2.84 AU

Year: 1435 Days

Day: 47 Hours

Environment

Temp: -101 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.55 AU - 3.47 AU

Year: 1978 Days

Day: 17.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,021,742 km

• M1: 613,351 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.47 AU - 4.05 AU

Year: 2761 Days

Day: 31.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,021,742 km

• M1: 2,182,184 km (0.074 R)

Asteroid Belt

Center: 4.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.1

Radius: 13.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.81 AU - 6.55 AU

Year: 5127 Days

Day: 10.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,021,742 km

• M1: 167,849 km (0.11 R)
• M2: 617,989 km (0.114 R)
• M3: 1,060,350 km (0.113 R)
• M4: 1,770,640 km (0.055 R)
• M5: 2,911,474 km (0.1 R)
• M6: 3,374,479 km (0.081 R)
• M7: 4,028,072 km (0.065 R)
• M8: 4,539,248 km (0.098 R)
• M9: 6,173,455 km (0.099 R)
• M10: 6,709,764 km (0.08 R)
• M11: 7,651,632 km (0.119 R)
• M12: 8,338,436 km (0.062 R)
• M13: 9,648,614 km (0.092 R)
• M14: 10,490,401 km (0.047 R)
• M15: 12,015,851 km (0.039 R)
• M16: 12,452,377 km (0.105 R)
• M17: 14,403,433 km (0.098 R)
• M18: 16,073,543 km (0.092 R)
• M19: 16,550,760 km (0.092 R)
• M20: 18,267,097 km (0.092 R)
• M21: 20,715,715 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.2

Radius: 4.1

Gravity: 28.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 9.68 AU - 15.5 AU

Year: 16919 Days

Day: 17.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,021,742 km

• M1: 96,341 km (0.097 R)
• M2: 288,574 km (0.107 R)
• M3: 675,135 km (0.117 R)
• M4: 1,505,104 km (0.057 R)
• M5: 1,988,156 km (0.115 R)
• M6: 2,255,487 km (0.096 R)
• M7: 4,708,144 km (0.093 R)
• M8: 4,874,048 km (0.098 R)
• M9: 6,345,343 km (0.116 R)
• M10: 9,964,565 km (0.105 R)
• M11: 10,293,829 km (0.102 R)
• M12: 13,324,982 km (0.104 R)
• M13: 15,402,746 km (0.112 R)
• M14: 17,686,807 km (0.102 R)
• M15: 18,495,682 km (0.064 R)
• M16: 23,872,978 km (0.095 R)
• M17: 32,184,187 km (0.108 R)
• M18: 32,782,129 km (0.066 R)
• M19: 34,745,452 km (0.116 R)
• M20: 34,996,327 km (0.119 R)
• M21: 36,268,508 km (0.107 R)
• M22: 36,785,817 km (0.097 R)
• M23: 40,407,582 km (0.09 R)
• M24: 42,949,698 km (0.086 R)
• M25: 43,238,572 km (0.079 R)
• M26: 46,502,349 km (0.039 R)
• M27: 56,749,055 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.3

Radius: 3.3

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 10.83 AU - 14.71 AU

Year: 17284 Days

Day: 24.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,021,742 km

• M1: 771,327 km (0.082 R)
• M2: 1,677,291 km (0.109 R)
• M3: 2,067,293 km (0.105 R)
• M4: 4,618,834 km (0.053 R)
• M5: 7,135,968 km (0.12 R)
• M6: 7,513,254 km (0.093 R)
• M7: 10,826,548 km (0.097 R)
• M8: 28,218,497 km (0.116 R)
• M9: 29,829,217 km (0.111 R)
• M10: 36,002,822 km (0.079 R)
• M11: 36,885,300 km (0.111 R)
• M12: 36,996,601 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.1

Radius: 6.1

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 12.35 AU - 20.27 AU

Year: 24948 Days

Day: 16 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 80,021,742 km

• M1: 171,140 km (0.072 R)
• M2: 435,031 km (0.047 R)
• M3: 764,595 km (0.109 R)
• M4: 1,035,965 km (0.07 R)
• M5: 1,340,098 km (0.1 R)
• M6: 1,530,237 km (0.056 R)
• M7: 1,907,074 km (0.103 R)
• M8: 2,107,535 km (0.099 R)
• M9: 2,598,515 km (0.079 R)
• M10: 3,503,582 km (0.096 R)
• M11: 4,325,622 km (0.106 R)
• M12: 4,891,551 km (0.086 R)
• M13: 5,666,767 km (0.09 R)
• M14: 7,360,963 km (0.086 R)
• M15: 8,482,498 km (0.059 R)
• M16: 9,481,363 km (0.092 R)
• M17: 11,843,663 km (0.078 R)
• M18: 13,232,231 km (0.112 R)
• M19: 13,816,859 km (0.086 R)
• M20: 14,959,338 km (0.071 R)
• M21: 16,163,302 km (0.116 R)
• M22: 17,086,470 km (0.03 R)
• M23: 17,517,462 km (0.074 R)
• M24: 20,257,048 km (0.098 R)
• M25: 20,935,175 km (0.108 R)
• M26: 23,692,563 km (0.093 R)
• M27: 24,336,582 km (0.112 R)
• M28: 25,547,576 km (0.111 R)
• M29: 27,029,942 km (0.099 R)
• M30: 28,810,456 km (0.053 R)
• M31: 30,040,000 km (0.086 R)
• M32: 30,415,641 km (0.073 R)
• M33: 37,868,607 km (0.089 R)
• M34: 40,701,990 km (0.061 R)
• M35: 44,155,457 km (0.119 R)
• M36: 45,787,869 km (0.067 R)
• M37: 49,520,037 km (0.092 R)
• M38: 55,678,682 km (0.068 R)
• M39: 61,520,329 km (0.078 R)
• M40: 63,554,711 km (0.088 R)
• M41: 74,860,570 km (0.046 R)
• M42: 76,710,796 km (0.091 R)
• M43: 78,828,504 km (0.088 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 17,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit