🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.44 AU - 0.66 AU

Year: 144 Days

Day: 43.1 Hours

Environment

Temp: 233 °C

Axial Tilt: 7.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.71 AU - 0.79 AU

Year: 229 Days

Day: 30.5 Hours

Environment

Temp: 164 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.04 AU - 2.58 AU

Year: 1240 Days

Day: 21.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,111,296 km

• M1: 45,179 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.2 AU - 2.7 AU

Year: 1354 Days

Day: 43.2 Hours

Environment

Temp: -67 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.5

Radius: 9.5

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.87 AU - 7.03 AU

Year: 5784 Days

Day: 13.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 101,111,296 km

• M1: 118,332 km (0.054 R)
• M2: 445,502 km (0.061 R)
• M3: 904,618 km (0.055 R)
• M4: 1,268,440 km (0.108 R)
• M5: 1,742,965 km (0.096 R)
• M6: 2,192,806 km (0.104 R)
• M7: 2,955,755 km (0.106 R)
• M8: 4,164,356 km (0.117 R)
• M9: 4,813,910 km (0.066 R)
• M10: 5,302,197 km (0.073 R)
• M11: 9,864,932 km (0.111 R)
• M12: 10,254,186 km (0.108 R)
• M13: 12,306,818 km (0.118 R)
• M14: 13,747,446 km (0.06 R)
• M15: 14,124,582 km (0.102 R)
• M16: 14,508,450 km (0.071 R)
• M17: 18,349,376 km (0.061 R)
• M18: 18,675,349 km (0.074 R)
• M19: 24,588,355 km (0.061 R)
• M20: 26,447,108 km (0.061 R)
• M21: 28,138,013 km (0.064 R)
• M22: 28,484,631 km (0.028 R)
• M23: 30,260,657 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.5

Radius: 11.4

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.46 AU - 8.68 AU

Year: 7354 Days

Day: 13.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 101,111,296 km

• M1: 142,417 km (0.058 R)
• M2: 558,000 km (0.083 R)
• M3: 913,145 km (0.094 R)
• M4: 1,392,307 km (0.068 R)
• M5: 1,755,082 km (0.075 R)
• M6: 2,678,101 km (0.051 R)
• M7: 3,753,111 km (0.096 R)
• M8: 4,126,358 km (0.08 R)
• M9: 5,586,433 km (0.107 R)
• M10: 6,880,156 km (0.075 R)
• M11: 9,405,069 km (0.054 R)
• M12: 11,329,346 km (0.101 R)
• M13: 11,848,899 km (0.074 R)
• M14: 13,217,421 km (0.102 R)
• M15: 18,948,365 km (0.117 R)
• M16: 20,661,560 km (0.082 R)
• M17: 26,238,419 km (0.075 R)
• M18: 29,419,169 km (0.102 R)
• M19: 37,213,518 km (0.096 R)
• M20: 38,945,562 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.6

Radius: 5.7

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 14.43 AU - 15.29 AU

Year: 20227 Days

Day: 15.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 101,111,296 km

• M1: 71,059 km (0.065 R)
• M2: 364,121 km (0.111 R)
• M3: 598,092 km (0.114 R)
• M4: 814,560 km (0.11 R)
• M5: 1,005,447 km (0.106 R)
• M6: 1,494,483 km (0.08 R)
• M7: 1,833,621 km (0.102 R)
• M8: 5,272,876 km (0.03 R)
• M9: 5,872,614 km (0.068 R)
• M10: 7,081,514 km (0.077 R)
• M11: 8,354,592 km (0.112 R)
• M12: 8,588,563 km (0.061 R)
• M13: 12,042,329 km (0.063 R)
• M14: 20,317,036 km (0.11 R)
• M15: 20,740,548 km (0.106 R)
• M16: 22,493,835 km (0.048 R)
• M17: 28,553,297 km (0.077 R)
• M18: 31,052,329 km (0.094 R)
• M19: 38,121,726 km (0.114 R)
• M20: 39,025,597 km (0.093 R)
• M21: 42,784,243 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.5

Radius: 3.9

Gravity: 61.77 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 16.39 AU - 18.89 AU

Year: 26161 Days

Day: 24.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 101,111,296 km

• M1: 48,470 km (0.103 R)
• M2: 236,514 km (0.078 R)
• M3: 432,188 km (0.1 R)
• M4: 628,161 km (0.104 R)
• M5: 809,474 km (0.091 R)
• M6: 1,052,870 km (0.095 R)
• M7: 1,199,625 km (0.115 R)
• M8: 2,104,692 km (0.1 R)
• M9: 3,030,254 km (0.118 R)
• M10: 3,329,151 km (0.117 R)
• M11: 6,614,021 km (0.083 R)
• M12: 7,861,518 km (0.05 R)
• M13: 8,310,012 km (0.098 R)
• M14: 8,540,542 km (0.1 R)
• M15: 9,257,864 km (0.079 R)
• M16: 9,885,577 km (0.095 R)
• M17: 14,176,941 km (0.071 R)
• M18: 18,179,732 km (0.061 R)
• M19: 19,361,854 km (0.042 R)
• M20: 26,790,585 km (0.082 R)
• M21: 29,235,912 km (0.111 R)
• M22: 33,829,314 km (0.114 R)
• M23: 39,850,330 km (0.092 R)
• M24: 40,505,568 km (0.115 R)
• M25: 41,837,289 km (0.094 R)
• M26: 47,640,040 km (0.059 R)
• M27: 50,446,197 km (0.025 R)
• M28: 51,986,906 km (0.07 R)
• M29: 53,360,513 km (0.061 R)
• M30: 57,210,564 km (0.116 R)
• M31: 57,626,297 km (0.076 R)
• M32: 64,779,618 km (0.048 R)
• M33: 71,294,605 km (0.093 R)
• M34: 76,206,502 km (0.097 R)
• M35: 79,517,252 km (0.077 R)
• M36: 83,989,630 km (0.056 R)
• M37: 85,878,902 km (0.104 R)
• M38: 86,423,887 km (0.114 R)
• M39: 90,584,802 km (0.034 R)
• M40: 94,008,050 km (0.117 R)
• M41: 94,586,844 km (0.092 R)
• M42: 96,044,227 km (0.092 R)
• M43: 97,516,569 km (0.086 R)

Kuiper Belt

Range: 31.1 - 47.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 20,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit