🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.45 AU - 0.59 AU

Year: 144 Days

Day: 39.7 Hours

Environment

Temp: 163 °C

Axial Tilt: 47.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,130,853 km

• M1: 74,350 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.49 AU - 0.63 AU

Year: 160 Days

Day: 13 Hours

Environment

Temp: 205 °C

Axial Tilt: 22.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.51 AU - 0.73 AU

Year: 187 Days

Day: 28.5 Hours

Environment

Temp: 110 °C

Axial Tilt: 39.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.66 AU - 0.98 AU

Year: 284 Days

Day: 40.4 Hours

Environment

Temp: 34 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.69 AU - 1.05 AU

Year: 311 Days

Day: 31 Hours

Environment

Temp: 34 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.99 AU - 4.67 AU

Year: 2870 Days

Day: 21.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.5

Radius: 10.2

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.19 AU - 4.45 AU

Year: 3438 Days

Day: 11.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,130,853 km

• M1: 126,859 km (0.104 R)
• M2: 477,516 km (0.105 R)
• M3: 831,166 km (0.095 R)
• M4: 1,642,136 km (0.104 R)
• M5: 2,265,809 km (0.048 R)
• M6: 2,691,415 km (0.12 R)
• M7: 3,132,729 km (0.049 R)
• M8: 4,345,220 km (0.09 R)
• M9: 4,853,703 km (0.083 R)
• M10: 5,294,119 km (0.043 R)
• M11: 6,841,260 km (0.09 R)
• M12: 7,875,131 km (0.105 R)
• M13: 8,374,788 km (0.107 R)
• M14: 9,838,603 km (0.104 R)
• M15: 10,846,743 km (0.087 R)
• M16: 13,415,339 km (0.067 R)
• M17: 17,898,936 km (0.12 R)
• M18: 19,916,114 km (0.07 R)
• M19: 21,251,275 km (0.099 R)
• M20: 23,437,349 km (0.093 R)
• M21: 23,951,068 km (0.106 R)
• M22: 25,229,681 km (0.075 R)

Asteroid Belt

Center: 5.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.5

Radius: 11.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.52 AU - 7.2 AU

Year: 6879 Days

Day: 8.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,130,853 km

• M1: 146,905 km (0.068 R)
• M2: 631,153 km (0.084 R)
• M3: 1,227,301 km (0.059 R)
• M4: 1,660,387 km (0.049 R)
• M5: 2,229,158 km (0.115 R)
• M6: 2,884,845 km (0.105 R)
• M7: 3,413,075 km (0.095 R)
• M8: 4,080,581 km (0.104 R)
• M9: 4,581,734 km (0.104 R)
• M10: 7,615,579 km (0.059 R)
• M11: 8,010,667 km (0.104 R)
• M12: 9,015,366 km (0.076 R)
• M13: 11,072,935 km (0.115 R)
• M14: 11,684,641 km (0.059 R)
• M15: 12,809,168 km (0.118 R)
• M16: 13,829,426 km (0.118 R)
• M17: 14,478,980 km (0.044 R)
• M18: 18,176,440 km (0.12 R)
• M19: 18,812,680 km (0.103 R)
• M20: 20,887,752 km (0.116 R)
• M21: 22,541,258 km (0.095 R)
• M22: 22,947,416 km (0.116 R)
• M23: 24,280,183 km (0.086 R)
• M24: 27,559,069 km (0.065 R)
• M25: 31,423,781 km (0.089 R)
• M26: 33,590,855 km (0.099 R)
• M27: 34,227,993 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.7

Radius: 6.3

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 17.35 AU - 20.57 AU

Year: 31610 Days

Day: 16.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,130,853 km

• M1: 79,885 km (0.11 R)
• M2: 529,876 km (0.117 R)
• M3: 979,118 km (0.119 R)
• M4: 1,177,335 km (0.046 R)
• M5: 1,518,568 km (0.066 R)
• M6: 2,545,707 km (0.084 R)
• M7: 9,637,693 km (0.064 R)
• M8: 12,454,771 km (0.056 R)
• M9: 13,881,635 km (0.088 R)
• M10: 14,426,321 km (0.075 R)
• M11: 14,914,609 km (0.088 R)
• M12: 15,704,186 km (0.113 R)
• M13: 22,489,048 km (0.069 R)
• M14: 23,621,953 km (0.119 R)
• M15: 27,779,726 km (0.086 R)
• M16: 30,199,921 km (0.082 R)
• M17: 31,461,330 km (0.112 R)
• M18: 31,694,254 km (0.071 R)
• M19: 32,638,067 km (0.084 R)
• M20: 35,079,055 km (0.113 R)
• M21: 38,297,952 km (0.072 R)
• M22: 42,414,138 km (0.096 R)
• M23: 44,872,629 km (0.067 R)
• M24: 52,651,419 km (0.085 R)
• M25: 55,488,094 km (0.077 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 18,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit