🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.13 AU - 1.33 AU

Year: 477 Days

Day: 34.8 Hours

Environment

Temp: 12 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.21 AU - 1.37 AU

Year: 513 Days

Day: 19.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 26.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.25 AU - 3.33 AU

Year: 1630 Days

Day: 45 Hours

Environment

Temp: -93 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,994,474 km

• M1: 72,256 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.57 AU - 3.05 AU

Year: 1648 Days

Day: 31.7 Hours

Environment

Temp: -84 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.92 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.8

Radius: 14.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.81 AU - 8.25 AU

Year: 6521 Days

Day: 13.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 121.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 105,994,474 km

• M1: 175,329 km (0.096 R)
• M2: 669,899 km (0.1 R)
• M3: 1,166,564 km (0.064 R)
• M4: 2,087,489 km (0.106 R)
• M5: 3,251,510 km (0.119 R)
• M6: 3,708,830 km (0.114 R)
• M7: 4,288,223 km (0.109 R)
• M8: 5,694,593 km (0.083 R)
• M9: 6,900,501 km (0.09 R)
• M10: 8,064,372 km (0.077 R)
• M11: 9,675,392 km (0.097 R)
• M12: 10,483,819 km (0.065 R)
• M13: 14,115,905 km (0.076 R)
• M14: 15,031,444 km (0.098 R)
• M15: 16,644,857 km (0.072 R)
• M16: 19,167,377 km (0.054 R)
• M17: 22,584,641 km (0.102 R)
• M18: 23,246,911 km (0.115 R)
• M19: 25,667,554 km (0.108 R)
• M20: 28,442,744 km (0.075 R)
• M21: 30,200,818 km (0.06 R)
• M22: 36,246,068 km (0.069 R)
• M23: 37,729,929 km (0.071 R)
• M24: 38,428,252 km (0.095 R)
• M25: 39,730,801 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.9

Radius: 9.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.81 AU - 8.73 AU

Year: 7577 Days

Day: 7.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 105,994,474 km

• M1: 125,213 km (0.084 R)
• M2: 539,600 km (0.098 R)
• M3: 867,219 km (0.047 R)
• M4: 1,235,230 km (0.075 R)
• M5: 2,125,187 km (0.042 R)
• M6: 2,435,453 km (0.087 R)
• M7: 3,615,332 km (0.118 R)
• M8: 4,935,832 km (0.101 R)
• M9: 6,075,768 km (0.088 R)
• M10: 7,088,097 km (0.117 R)
• M11: 7,449,376 km (0.072 R)
• M12: 8,102,520 km (0.103 R)
• M13: 11,909,187 km (0.106 R)
• M14: 18,436,142 km (0.098 R)
• M15: 19,310,991 km (0.097 R)
• M16: 20,082,617 km (0.079 R)
• M17: 23,885,095 km (0.048 R)
• M18: 25,075,445 km (0.084 R)
• M19: 25,608,463 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.5

Radius: 12.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.64 AU - 9.74 AU

Year: 9747 Days

Day: 12 Hours

Environment

Temp: -167 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 105,994,474 km

• M1: 159,471 km (0.104 R)
• M2: 709,692 km (0.107 R)
• M3: 1,443,021 km (0.051 R)
• M4: 2,292,737 km (0.107 R)
• M5: 4,648,305 km (0.055 R)
• M6: 5,062,542 km (0.092 R)
• M7: 5,999,772 km (0.099 R)
• M8: 7,242,332 km (0.026 R)
• M9: 9,187,703 km (0.107 R)
• M10: 9,795,669 km (0.111 R)
• M11: 10,681,587 km (0.068 R)
• M12: 13,305,833 km (0.095 R)
• M13: 14,084,939 km (0.116 R)
• M14: 17,087,667 km (0.084 R)
• M15: 21,049,019 km (0.096 R)
• M16: 23,285,357 km (0.106 R)
• M17: 29,713,129 km (0.092 R)
• M18: 30,527,390 km (0.091 R)
• M19: 32,200,642 km (0.085 R)
• M20: 33,168,242 km (0.036 R)
• M21: 33,604,469 km (0.109 R)
• M22: 34,266,140 km (0.079 R)
• M23: 35,615,214 km (0.076 R)
• M24: 39,142,582 km (0.106 R)
• M25: 41,241,590 km (0.095 R)

Asteroid Belt

Center: 10.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.7

Radius: 13.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 9.18 AU - 13.4 AU

Year: 13271 Days

Day: 14.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 105,994,474 km

• M1: 171,888 km (0.103 R)
• M2: 1,003,802 km (0.054 R)
• M3: 1,534,126 km (0.096 R)
• M4: 2,428,871 km (0.091 R)
• M5: 3,113,281 km (0.105 R)
• M6: 3,839,579 km (0.117 R)
• M7: 4,395,036 km (0.078 R)
• M8: 5,416,939 km (0.101 R)
• M9: 6,795,932 km (0.107 R)
• M10: 8,021,737 km (0.042 R)
• M11: 11,080,565 km (0.065 R)
• M12: 12,711,630 km (0.094 R)
• M13: 14,845,793 km (0.115 R)
• M14: 15,924,544 km (0.11 R)
• M15: 17,131,948 km (0.108 R)
• M16: 19,899,509 km (0.089 R)
• M17: 20,679,362 km (0.089 R)
• M18: 22,024,247 km (0.102 R)
• M19: 23,907,236 km (0.097 R)
• M20: 24,987,482 km (0.08 R)
• M21: 25,997,567 km (0.065 R)
• M22: 26,512,632 km (0.087 R)
• M23: 29,302,184 km (0.119 R)
• M24: 31,460,731 km (0.051 R)
• M25: 32,757,745 km (0.102 R)
• M26: 43,573,073 km (0.091 R)
• M27: 46,682,614 km (0.066 R)
• M28: 57,068,446 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.1

Radius: 6.6

Gravity: 21.77 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 14.6 AU - 22.5 AU

Year: 27951 Days

Day: 19.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 105,994,474 km

• M1: 90,507 km (0.057 R)
• M2: 879,486 km (0.068 R)
• M3: 1,900,940 km (0.095 R)
• M4: 2,284,659 km (0.04 R)
• M5: 3,028,310 km (0.113 R)
• M6: 5,148,112 km (0.08 R)
• M7: 7,065,807 km (0.092 R)
• M8: 7,928,986 km (0.057 R)
• M9: 9,605,230 km (0.116 R)
• M10: 15,672,172 km (0.099 R)
• M11: 17,511,777 km (0.112 R)
• M12: 29,708,492 km (0.075 R)
• M13: 32,366,397 km (0.088 R)
• M14: 33,531,465 km (0.113 R)
• M15: 35,790,842 km (0.097 R)
• M16: 38,795,814 km (0.111 R)
• M17: 43,524,453 km (0.065 R)
• M18: 48,434,555 km (0.103 R)
• M19: 49,382,706 km (0.061 R)
• M20: 52,898,256 km (0.05 R)
• M21: 59,987,101 km (0.079 R)
• M22: 77,035,124 km (0.085 R)
• M23: 80,157,980 km (0.111 R)
• M24: 105,676,983 km (0.036 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 19,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit