🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.61 AU - 0.95 AU

Year: 260 Days

Day: 42 Hours

Environment

Temp: 98 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.72 AU - 1.02 AU

Year: 306 Days

Day: 23.3 Hours

Environment

Temp: 28 °C

Axial Tilt: 47.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.91 AU - 2.93 AU

Year: 1880 Days

Day: 36.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,231,029 km

• M1: 46,974 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.69 AU - 3.23 AU

Year: 1919 Days

Day: 40.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,231,029 km

• M1: 274,213 km (0.106 R)

Asteroid Belt

Center: 4.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775

Radius: 11.8

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.24 AU - 7.76 AU

Year: 6243 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,231,029 km

• M1: 146,756 km (0.081 R)
• M2: 571,763 km (0.096 R)
• M3: 1,127,818 km (0.1 R)
• M4: 1,613,114 km (0.114 R)
• M5: 2,156,453 km (0.045 R)
• M6: 2,743,924 km (0.105 R)
• M7: 3,435,964 km (0.087 R)
• M8: 4,938,675 km (0.071 R)
• M9: 8,273,510 km (0.104 R)
• M10: 11,371,832 km (0.066 R)
• M11: 12,240,247 km (0.085 R)
• M12: 19,962,789 km (0.103 R)
• M13: 21,838,148 km (0.114 R)
• M14: 22,858,405 km (0.106 R)
• M15: 23,910,228 km (0.114 R)
• M16: 25,163,559 km (0.101 R)
• M17: 27,619,806 km (0.036 R)
• M18: 30,617,747 km (0.079 R)
• M19: 32,902,107 km (0.053 R)
• M20: 36,266,264 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.1

Radius: 5.2

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 10.67 AU - 15.19 AU

Year: 17516 Days

Day: 21.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 93,231,029 km

• M1: 64,776 km (0.087 R)
• M2: 333,753 km (0.107 R)
• M3: 671,994 km (0.077 R)
• M4: 889,808 km (0.083 R)
• M5: 1,154,596 km (0.101 R)
• M6: 1,587,981 km (0.107 R)
• M7: 2,255,188 km (0.111 R)
• M8: 3,214,110 km (0.107 R)
• M9: 3,465,285 km (0.066 R)
• M10: 4,238,706 km (0.09 R)
• M11: 4,418,523 km (0.082 R)
• M12: 4,988,491 km (0.05 R)
• M13: 5,360,092 km (0.082 R)
• M14: 6,196,793 km (0.109 R)
• M15: 7,286,015 km (0.088 R)
• M16: 9,125,769 km (0.115 R)
• M17: 12,372,342 km (0.03 R)
• M18: 13,178,824 km (0.099 R)
• M19: 14,487,207 km (0.077 R)
• M20: 16,241,242 km (0.09 R)
• M21: 17,283,042 km (0.088 R)
• M22: 19,171,266 km (0.051 R)
• M23: 20,418,763 km (0.082 R)
• M24: 21,808,078 km (0.11 R)
• M25: 25,951,491 km (0.117 R)
• M26: 31,262,813 km (0.043 R)
• M27: 32,870,243 km (0.116 R)
• M28: 36,624,102 km (0.071 R)
• M29: 38,799,255 km (0.101 R)
• M30: 44,969,569 km (0.109 R)
• M31: 49,121,209 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.1

Radius: 4.4

Gravity: 27.43 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 17.5 AU - 20.18 AU

Year: 30807 Days

Day: 19.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 93,231,029 km

• M1: 59,390 km (0.116 R)
• M2: 200,162 km (0.034 R)
• M3: 369,208 km (0.084 R)
• M4: 580,141 km (0.092 R)
• M5: 905,366 km (0.103 R)
• M6: 1,046,886 km (0.097 R)
• M7: 1,458,878 km (0.103 R)
• M8: 2,374,567 km (0.087 R)
• M9: 3,526,471 km (0.094 R)
• M10: 4,812,713 km (0.112 R)
• M11: 5,973,443 km (0.07 R)
• M12: 6,570,937 km (0.07 R)
• M13: 12,414,678 km (0.082 R)
• M14: 14,645,332 km (0.088 R)
• M15: 15,641,654 km (0.084 R)
• M16: 17,584,183 km (0.089 R)
• M17: 20,484,137 km (0.09 R)
• M18: 21,100,181 km (0.12 R)
• M19: 23,912,322 km (0.097 R)
• M20: 24,480,345 km (0.104 R)
• M21: 24,825,467 km (0.067 R)
• M22: 26,599,698 km (0.094 R)
• M23: 28,838,281 km (0.073 R)
• M24: 37,965,247 km (0.046 R)
• M25: 45,646,200 km (0.062 R)
• M26: 46,695,629 km (0.095 R)
• M27: 49,024,269 km (0.052 R)
• M28: 60,779,072 km (0.074 R)
• M29: 64,421,630 km (0.112 R)
• M30: 68,434,144 km (0.064 R)
• M31: 77,198,784 km (0.107 R)
• M32: 77,692,757 km (0.09 R)
• M33: 91,840,377 km (0.109 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: 247 - 16,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit