🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.61 AU - 0.63 AU

Year: 179 Days

Day: 24.7 Hours

Environment

Temp: 171 °C

Axial Tilt: 24.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,967,725 km

• M1: 69,862 km (0.103 R)
• M2: 486,941 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.92 AU - 0.98 AU

Year: 340 Days

Day: 45.8 Hours

Environment

Temp: 42 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 48,967,725 km

• M1: 60,886 km (0.069 R)
• M2: 146,008 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.3 AU - 1.44 AU

Year: 589 Days

Day: 13.5 Hours

Environment

Temp: -18 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.34 AU - 1.74 AU

Year: 702 Days

Day: 22.6 Hours

Environment

Temp: -49 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.64 AU - 3.9 AU

Year: 2171 Days

Day: 19.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,967,725 km

• M1: 319,092 km (0.117 R)

Asteroid Belt

Center: 4.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.3

Radius: 10.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.5 AU - 5.54 AU

Year: 4761 Days

Day: 8.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,967,725 km

• M1: 133,740 km (0.106 R)
• M2: 869,014 km (0.088 R)
• M3: 1,413,251 km (0.091 R)
• M4: 1,860,100 km (0.075 R)
• M5: 2,233,945 km (0.107 R)
• M6: 2,691,864 km (0.111 R)
• M7: 3,249,864 km (0.069 R)
• M8: 3,649,889 km (0.081 R)
• M9: 6,880,754 km (0.076 R)
• M10: 7,441,746 km (0.118 R)
• M11: 8,069,010 km (0.118 R)
• M12: 9,914,449 km (0.113 R)
• M13: 12,549,017 km (0.117 R)
• M14: 13,087,420 km (0.105 R)
• M15: 14,849,234 km (0.115 R)
• M16: 15,730,964 km (0.074 R)
• M17: 16,241,990 km (0.072 R)
• M18: 17,598,394 km (0.11 R)
• M19: 19,156,905 km (0.081 R)
• M20: 21,839,045 km (0.029 R)
• M21: 26,079,696 km (0.083 R)
• M22: 26,715,786 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.6

Radius: 4.6

Gravity: 22.62 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 11.95 AU - 16.31 AU

Year: 19498 Days

Day: 20.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,967,725 km

• M1: 57,296 km (0.099 R)
• M2: 206,295 km (0.079 R)
• M3: 366,066 km (0.089 R)
• M4: 534,064 km (0.113 R)
• M5: 716,424 km (0.065 R)
• M6: 940,073 km (0.05 R)
• M7: 1,222,963 km (0.103 R)
• M8: 1,691,653 km (0.093 R)
• M9: 1,902,287 km (0.082 R)
• M10: 2,462,531 km (0.098 R)
• M11: 3,100,416 km (0.117 R)
• M12: 3,901,512 km (0.076 R)
• M13: 4,082,975 km (0.102 R)
• M14: 4,595,048 km (0.034 R)
• M15: 5,668,563 km (0.091 R)
• M16: 6,222,823 km (0.108 R)
• M17: 6,429,118 km (0.088 R)
• M18: 8,150,391 km (0.105 R)
• M19: 8,959,117 km (0.115 R)
• M20: 9,764,702 km (0.062 R)
• M21: 11,457,103 km (0.118 R)
• M22: 12,147,198 km (0.111 R)
• M23: 12,666,153 km (0.114 R)
• M24: 15,484,876 km (0.115 R)
• M25: 18,020,709 km (0.083 R)
• M26: 19,738,541 km (0.096 R)
• M27: 31,653,114 km (0.114 R)
• M28: 38,255,766 km (0.103 R)
• M29: 42,538,603 km (0.083 R)
• M30: 48,408,076 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.5

Radius: 5.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 14.87 AU - 14.89 AU

Year: 21071 Days

Day: 21.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,967,725 km

• M1: 107,710 km (0.033 R)
• M2: 289,322 km (0.04 R)
• M3: 1,225,655 km (0.111 R)
• M4: 4,122,469 km (0.073 R)
• M5: 5,211,541 km (0.118 R)
• M6: 6,826,749 km (0.069 R)
• M7: 14,063,845 km (0.106 R)
• M8: 14,776,380 km (0.109 R)
• M9: 19,485,422 km (0.093 R)
• M10: 20,533,953 km (0.069 R)
• M11: 25,864,125 km (0.11 R)
• M12: 26,345,831 km (0.103 R)
• M13: 29,259,249 km (0.109 R)
• M14: 32,603,360 km (0.103 R)
• M15: 33,278,794 km (0.048 R)
• M16: 38,895,895 km (0.089 R)
• M17: 41,861,374 km (0.114 R)
• M18: 44,835,828 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 19,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit