🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.7 AU - 0.94 AU

Year: 275 Days

Day: 42 Hours

Environment

Temp: 83 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.67 AU - 1.01 AU

Year: 286 Days

Day: 17.8 Hours

Environment

Temp: 142 °C

Axial Tilt: 45.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.25 AU - 1.87 AU

Year: 723 Days

Day: 21.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.52 AU - 4.66 AU

Year: 3068 Days

Day: 15.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.8

Radius: 9.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.78 AU - 6.16 AU

Year: 4109 Days

Day: 12 Hours

Environment

Temp: -143 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,757,287 km

• M1: 120,576 km (0.029 R)
• M2: 452,683 km (0.045 R)
• M3: 773,870 km (0.079 R)
• M4: 1,091,017 km (0.091 R)
• M5: 2,173,507 km (0.054 R)
• M6: 2,907,285 km (0.089 R)
• M7: 3,699,256 km (0.101 R)
• M8: 4,209,684 km (0.065 R)
• M9: 6,503,319 km (0.051 R)
• M10: 7,064,460 km (0.083 R)
• M11: 11,980,097 km (0.084 R)
• M12: 12,553,206 km (0.118 R)
• M13: 13,611,761 km (0.117 R)
• M14: 14,090,025 km (0.06 R)
• M15: 19,389,530 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.1

Radius: 14.7

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.89 AU - 7.89 AU

Year: 6707 Days

Day: 14.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,757,287 km

• M1: 182,809 km (0.081 R)
• M2: 679,773 km (0.094 R)
• M3: 2,068,789 km (0.099 R)
• M4: 2,797,630 km (0.075 R)
• M5: 3,577,483 km (0.119 R)
• M6: 4,607,465 km (0.086 R)
• M7: 5,480,368 km (0.095 R)
• M8: 7,987,330 km (0.057 R)
• M9: 9,160,326 km (0.038 R)
• M10: 10,687,122 km (0.087 R)
• M11: 13,772,878 km (0.096 R)
• M12: 14,418,841 km (0.107 R)
• M13: 15,457,200 km (0.109 R)
• M14: 19,159,897 km (0.037 R)
• M15: 21,178,271 km (0.095 R)
• M16: 22,119,392 km (0.08 R)
• M17: 26,884,233 km (0.094 R)
• M18: 30,580,797 km (0.101 R)
• M19: 31,278,372 km (0.103 R)
• M20: 34,389,259 km (0.037 R)
• M21: 36,240,832 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.3

Radius: 9.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.54 AU - 8.7 AU

Year: 9386 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,757,287 km

• M1: 118,182 km (0.032 R)
• M2: 795,262 km (0.094 R)
• M3: 1,149,660 km (0.099 R)
• M4: 1,746,106 km (0.085 R)
• M5: 2,100,952 km (0.11 R)
• M6: 2,706,973 km (0.027 R)
• M7: 3,741,892 km (0.035 R)
• M8: 7,754,854 km (0.094 R)
• M9: 8,266,180 km (0.091 R)
• M10: 8,956,724 km (0.04 R)
• M11: 9,438,130 km (0.114 R)
• M12: 11,820,775 km (0.108 R)
• M13: 17,614,102 km (0.056 R)
• M14: 19,544,663 km (0.117 R)
• M15: 20,699,109 km (0.086 R)
• M16: 22,551,879 km (0.09 R)
• M17: 23,443,333 km (0.116 R)
• M18: 26,666,419 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.5

Radius: 12.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 9.07 AU - 12.81 AU

Year: 13419 Days

Day: 11.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,757,287 km

• M1: 163,211 km (0.104 R)
• M2: 736,919 km (0.101 R)
• M3: 1,341,594 km (0.06 R)
• M4: 3,076,331 km (0.118 R)
• M5: 4,296,002 km (0.093 R)
• M6: 4,859,836 km (0.112 R)
• M7: 6,620,903 km (0.089 R)
• M8: 7,050,847 km (0.092 R)
• M9: 9,684,966 km (0.067 R)
• M10: 10,552,185 km (0.039 R)
• M11: 12,092,744 km (0.08 R)
• M12: 14,611,972 km (0.052 R)
• M13: 16,169,136 km (0.099 R)
• M14: 17,389,406 km (0.07 R)
• M15: 19,690,969 km (0.072 R)
• M16: 21,503,198 km (0.118 R)
• M17: 22,102,487 km (0.028 R)
• M18: 24,058,778 km (0.099 R)
• M19: 26,418,984 km (0.095 R)
• M20: 27,705,526 km (0.106 R)
• M21: 31,926,130 km (0.039 R)
• M22: 32,931,578 km (0.052 R)
• M23: 34,537,511 km (0.082 R)
• M24: 35,716,192 km (0.081 R)
• M25: 36,799,730 km (0.09 R)
• M26: 37,534,255 km (0.09 R)
• M27: 42,415,035 km (0.109 R)
• M28: 48,284,059 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 18,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit