🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.52 AU - 0.58 AU

Year: 145 Days

Day: 20.7 Hours

Environment

Temp: 202 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.66 AU - 0.82 AU

Year: 226 Days

Day: 33.9 Hours

Environment

Temp: 159 °C

Axial Tilt: 31.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.68 AU - 1.04 AU

Year: 283 Days

Day: 27.2 Hours

Environment

Temp: 159 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,486,917 km

• M1: 51,761 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.95 AU - 1.17 AU

Year: 387 Days

Day: 39.6 Hours

Environment

Temp: 37 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,486,917 km

• M1: 899,083 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.72 AU - 2.52 AU

Year: 1095 Days

Day: 44.1 Hours

Environment

Temp: -60 °C

Axial Tilt: 78.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.41 AU - 2.49 AU

Year: 1360 Days

Day: 47.9 Hours

Environment

Temp: -78 °C

Axial Tilt: 42.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.3

Radius: 8.9

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.68 AU - 7.22 AU

Year: 5149 Days

Day: 13.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,486,917 km

• M1: 110,702 km (0.071 R)
• M2: 431,739 km (0.109 R)
• M3: 855,401 km (0.108 R)
• M4: 1,509,293 km (0.08 R)
• M5: 1,796,072 km (0.11 R)
• M6: 2,279,423 km (0.099 R)
• M7: 2,771,450 km (0.085 R)
• M8: 3,354,134 km (0.083 R)
• M9: 4,113,941 km (0.089 R)
• M10: 4,681,366 km (0.075 R)
• M11: 5,183,716 km (0.096 R)
• M12: 5,629,218 km (0.118 R)
• M13: 5,972,097 km (0.095 R)
• M14: 6,597,266 km (0.118 R)
• M15: 8,695,077 km (0.091 R)
• M16: 9,111,707 km (0.108 R)
• M17: 9,629,166 km (0.07 R)
• M18: 10,257,627 km (0.117 R)
• M19: 10,817,721 km (0.071 R)
• M20: 12,307,417 km (0.067 R)
• M21: 16,941,211 km (0.099 R)
• M22: 17,264,492 km (0.104 R)
• M23: 19,643,696 km (0.119 R)
• M24: 20,874,737 km (0.118 R)
• M25: 24,217,053 km (0.078 R)
• M26: 31,548,845 km (0.113 R)
• M27: 33,436,620 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.7

Radius: 7.8

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 14.94 AU - 16.12 AU

Year: 21712 Days

Day: 20 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,486,917 km

• M1: 97,089 km (0.031 R)
• M2: 343,926 km (0.112 R)
• M3: 588,967 km (0.025 R)
• M4: 903,122 km (0.055 R)
• M5: 1,508,695 km (0.112 R)
• M6: 2,697,848 km (0.051 R)
• M7: 3,442,995 km (0.093 R)
• M8: 5,372,508 km (0.096 R)
• M9: 6,987,118 km (0.062 R)
• M10: 7,831,748 km (0.046 R)
• M11: 9,610,466 km (0.073 R)
• M12: 10,356,661 km (0.116 R)
• M13: 11,770,660 km (0.074 R)
• M14: 12,490,525 km (0.045 R)
• M15: 15,127,935 km (0.088 R)
• M16: 21,474,475 km (0.077 R)
• M17: 22,647,322 km (0.096 R)
• M18: 23,148,475 km (0.115 R)
• M19: 23,965,579 km (0.079 R)
• M20: 28,341,765 km (0.053 R)
• M21: 34,261,802 km (0.102 R)
• M22: 35,322,600 km (0.1 R)
• M23: 41,699,958 km (0.06 R)
• M24: 42,908,708 km (0.102 R)
• M25: 43,367,974 km (0.077 R)
• M26: 47,486,403 km (0.096 R)
• M27: 47,977,832 km (0.054 R)
• M28: 62,758,401 km (0.086 R)
• M29: 64,544,899 km (0.079 R)
• M30: 66,364,907 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.4

Radius: 6.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 13.38 AU - 21.74 AU

Year: 26105 Days

Day: 23.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,486,917 km

• M1: 151,094 km (0.12 R)
• M2: 560,992 km (0.106 R)
• M3: 1,646,325 km (0.051 R)
• M4: 2,627,537 km (0.108 R)
• M5: 3,012,303 km (0.114 R)
• M6: 3,460,049 km (0.072 R)
• M7: 6,429,417 km (0.111 R)
• M8: 8,152,635 km (0.104 R)
• M9: 12,542,585 km (0.101 R)
• M10: 14,988,809 km (0.101 R)
• M11: 28,169,877 km (0.043 R)
• M12: 31,848,639 km (0.101 R)
• M13: 34,105,622 km (0.071 R)
• M14: 42,913,944 km (0.086 R)
• M15: 50,080,580 km (0.067 R)
• M16: 51,507,594 km (0.082 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 13,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit