🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.57 AU - 0.87 AU

Year: 231 Days

Day: 20.8 Hours

Environment

Temp: 128 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.99 AU - 1.11 AU

Year: 408 Days

Day: 25.2 Hours

Environment

Temp: 20 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.94 AU - 1.46 AU

Year: 498 Days

Day: 23.7 Hours

Environment

Temp: -18 °C

Axial Tilt: 24 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.33 AU - 4.67 AU

Year: 3030 Days

Day: 17.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,877,022 km

• M1: 116,387 km (0.058 R)
• M2: 558,598 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.97 AU - 4.05 AU

Year: 3041 Days

Day: 41.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.16 AU - 4.96 AU

Year: 3098 Days

Day: 22.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.9

Radius: 11.3

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.7 AU - 8.18 AU

Year: 8474 Days

Day: 5.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,877,022 km

• M1: 140,472 km (0.101 R)
• M2: 508,782 km (0.118 R)
• M3: 924,515 km (0.057 R)
• M4: 1,377,198 km (0.045 R)
• M5: 2,266,707 km (0.111 R)
• M6: 2,848,942 km (0.112 R)
• M7: 3,553,398 km (0.119 R)
• M8: 3,907,945 km (0.091 R)
• M9: 4,342,228 km (0.103 R)
• M10: 5,212,139 km (0.106 R)
• M11: 5,672,003 km (0.066 R)
• M12: 6,412,513 km (0.111 R)
• M13: 8,703,754 km (0.083 R)
• M14: 10,133,461 km (0.096 R)
• M15: 10,591,529 km (0.092 R)
• M16: 13,332,312 km (0.05 R)
• M17: 14,512,041 km (0.055 R)
• M18: 16,375,731 km (0.053 R)
• M19: 16,936,274 km (0.102 R)
• M20: 23,797,880 km (0.089 R)
• M21: 24,974,467 km (0.111 R)
• M22: 27,541,566 km (0.119 R)
• M23: 30,489,542 km (0.109 R)
• M24: 40,078,766 km (0.081 R)
• M25: 41,354,686 km (0.081 R)
• M26: 44,527,058 km (0.099 R)
• M27: 45,207,878 km (0.038 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.5

Radius: 10.8

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.88 AU - 12.48 AU

Year: 13219 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 178.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,877,022 km

• M1: 136,882 km (0.087 R)
• M2: 1,255,276 km (0.091 R)
• M3: 2,071,332 km (0.101 R)
• M4: 2,586,697 km (0.096 R)
• M5: 2,999,437 km (0.114 R)
• M6: 3,456,010 km (0.065 R)
• M7: 4,725,647 km (0.081 R)
• M8: 5,380,587 km (0.075 R)
• M9: 6,993,551 km (0.063 R)
• M10: 7,978,204 km (0.077 R)
• M11: 10,650,471 km (0.107 R)
• M12: 11,147,734 km (0.089 R)
• M13: 11,487,770 km (0.108 R)
• M14: 12,248,326 km (0.083 R)
• M15: 12,917,776 km (0.077 R)
• M16: 18,700,781 km (0.088 R)
• M17: 19,181,589 km (0.077 R)
• M18: 19,753,052 km (0.09 R)
• M19: 20,758,949 km (0.098 R)
• M20: 21,274,463 km (0.039 R)
• M21: 22,241,912 km (0.11 R)
• M22: 26,708,306 km (0.111 R)
• M23: 28,041,971 km (0.098 R)
• M24: 30,399,185 km (0.115 R)
• M25: 30,952,697 km (0.077 R)
• M26: 31,400,443 km (0.063 R)
• M27: 32,423,693 km (0.079 R)
• M28: 34,897,294 km (0.118 R)
• M29: 35,504,362 km (0.116 R)
• M30: 40,483,428 km (0.114 R)
• M31: 41,288,564 km (0.05 R)
• M32: 41,967,588 km (0.104 R)
• M33: 44,190,912 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.7

Radius: 5.8

Gravity: 22.05 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 13.81 AU - 16.41 AU

Year: 22246 Days

Day: 21.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,877,022 km

• M1: 77,940 km (0.073 R)
• M2: 441,763 km (0.072 R)
• M3: 703,110 km (0.078 R)
• M4: 1,052,421 km (0.08 R)
• M5: 1,579,305 km (0.115 R)
• M6: 1,815,071 km (0.075 R)
• M7: 3,029,357 km (0.06 R)
• M8: 3,665,297 km (0.116 R)
• M9: 4,707,097 km (0.12 R)
• M10: 6,370,177 km (0.111 R)
• M11: 6,596,668 km (0.097 R)
• M12: 8,070,805 km (0.109 R)
• M13: 8,717,517 km (0.088 R)
• M14: 10,360,251 km (0.113 R)
• M15: 13,122,276 km (0.052 R)
• M16: 13,638,389 km (0.112 R)
• M17: 16,936,125 km (0.032 R)
• M18: 20,239,096 km (0.078 R)
• M19: 20,729,328 km (0.051 R)
• M20: 21,027,327 km (0.057 R)
• M21: 22,351,418 km (0.101 R)
• M22: 26,773,381 km (0.051 R)
• M23: 33,077,286 km (0.105 R)
• M24: 36,860,467 km (0.092 R)
• M25: 41,705,792 km (0.088 R)
• M26: 42,180,765 km (0.095 R)
• M27: 43,464,764 km (0.108 R)
• M28: 43,789,840 km (0.116 R)
• M29: 46,618,436 km (0.064 R)
• M30: 48,164,082 km (0.071 R)
• M31: 49,566,412 km (0.107 R)
• M32: 73,754,892 km (0.092 R)
• M33: 80,406,312 km (0.097 R)
• M34: 83,125,104 km (0.092 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 16,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit