🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.44 AU - 0.6 AU

Year: 144 Days

Day: 37.1 Hours

Environment

Temp: 189 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.86 AU - 1.08 AU

Year: 366 Days

Day: 32 Hours

Environment

Temp: 11 °C

Axial Tilt: 16.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.57 AU - 1.85 AU

Year: 856 Days

Day: 46.8 Hours

Environment

Temp: -62 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,199,178 km

• M1: 40,840 km (0.07 R)
• M2: 549,174 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.19 AU - 2.35 AU

Year: 1310 Days

Day: 36.4 Hours

Environment

Temp: -87 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.02 AU - 3.48 AU

Year: 2243 Days

Day: 40.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.3 AU - 3.64 AU

Year: 2475 Days

Day: 45.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.5

Radius: 12.6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.33 AU - 5.25 AU

Year: 3402 Days

Day: 10.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,199,178 km

• M1: 156,629 km (0.117 R)
• M2: 617,091 km (0.107 R)
• M3: 1,479,373 km (0.106 R)
• M4: 1,992,494 km (0.112 R)
• M5: 2,499,631 km (0.094 R)
• M6: 3,385,250 km (0.096 R)
• M7: 4,049,315 km (0.096 R)
• M8: 4,679,421 km (0.113 R)
• M9: 5,118,342 km (0.087 R)
• M10: 5,531,680 km (0.055 R)
• M11: 6,023,259 km (0.098 R)
• M12: 10,947,273 km (0.053 R)
• M13: 11,549,105 km (0.08 R)
• M14: 12,127,451 km (0.09 R)
• M15: 12,771,918 km (0.119 R)
• M16: 14,179,634 km (0.035 R)
• M17: 15,580,917 km (0.069 R)
• M18: 16,013,255 km (0.111 R)
• M19: 16,845,767 km (0.083 R)
• M20: 19,268,655 km (0.106 R)
• M21: 20,338,279 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.7

Radius: 10.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.31 AU - 10.59 AU

Year: 10252 Days

Day: 7.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,199,178 km

• M1: 132,843 km (0.105 R)
• M2: 540,647 km (0.085 R)
• M3: 1,500,018 km (0.105 R)
• M4: 2,098,409 km (0.103 R)
• M5: 2,616,168 km (0.113 R)
• M6: 2,962,786 km (0.119 R)
• M7: 3,616,977 km (0.069 R)
• M8: 3,978,855 km (0.092 R)
• M9: 5,887,275 km (0.092 R)
• M10: 9,222,858 km (0.1 R)
• M11: 9,729,397 km (0.117 R)
• M12: 10,209,905 km (0.095 R)
• M13: 10,937,100 km (0.102 R)
• M14: 11,601,315 km (0.06 R)
• M15: 12,242,043 km (0.098 R)
• M16: 13,433,290 km (0.078 R)
• M17: 17,662,123 km (0.086 R)
• M18: 18,115,405 km (0.087 R)
• M19: 19,591,038 km (0.115 R)
• M20: 22,627,875 km (0.096 R)
• M21: 24,178,905 km (0.042 R)
• M22: 27,318,965 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 13.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.82 AU - 10.66 AU

Year: 11639 Days

Day: 9.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,199,178 km

• M1: 165,455 km (0.09 R)
• M2: 600,635 km (0.027 R)
• M3: 1,051,823 km (0.119 R)
• M4: 1,599,949 km (0.053 R)
• M5: 2,163,185 km (0.108 R)
• M6: 3,525,723 km (0.048 R)
• M7: 4,693,334 km (0.092 R)
• M8: 5,496,076 km (0.109 R)
• M9: 7,256,544 km (0.1 R)
• M10: 9,795,818 km (0.069 R)
• M11: 10,437,593 km (0.079 R)
• M12: 11,160,001 km (0.059 R)
• M13: 13,230,436 km (0.03 R)
• M14: 14,325,492 km (0.111 R)
• M15: 15,153,217 km (0.071 R)
• M16: 15,678,306 km (0.117 R)
• M17: 17,044,284 km (0.117 R)
• M18: 19,012,393 km (0.047 R)
• M19: 20,644,805 km (0.093 R)
• M20: 23,657,706 km (0.11 R)
• M21: 33,434,675 km (0.057 R)
• M22: 37,450,481 km (0.052 R)
• M23: 41,649,094 km (0.06 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 19,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit