🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.8 AU - 0.94 AU

Year: 287 Days

Day: 42.6 Hours

Environment

Temp: 112 °C

Axial Tilt: 162.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.49 AU - 1.93 AU

Year: 790 Days

Day: 38.2 Hours

Environment

Temp: -46 °C

Axial Tilt: 98.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.93 AU - 3.15 AU

Year: 1429 Days

Day: 42.8 Hours

Environment

Temp: -73 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.17 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.8

Radius: 10.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.41 AU - 6.17 AU

Year: 4919 Days

Day: 5.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 77 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,471,858 km

• M1: 138,228 km (0.096 R)
• M2: 601,832 km (0.111 R)
• M3: 992,283 km (0.047 R)
• M4: 1,487,900 km (0.078 R)
• M5: 4,561,688 km (0.111 R)
• M6: 7,274,496 km (0.101 R)
• M7: 7,717,455 km (0.112 R)
• M8: 8,084,718 km (0.073 R)
• M9: 10,063,898 km (0.059 R)
• M10: 11,537,736 km (0.051 R)
• M11: 16,115,131 km (0.114 R)
• M12: 17,126,114 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.4

Radius: 12.2

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.22 AU - 7.12 AU

Year: 6083 Days

Day: 11.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,471,858 km

• M1: 152,889 km (0.119 R)
• M2: 628,012 km (0.096 R)
• M3: 1,086,829 km (0.118 R)
• M4: 1,487,751 km (0.088 R)
• M5: 2,751,554 km (0.052 R)
• M6: 3,472,017 km (0.055 R)
• M7: 3,889,545 km (0.1 R)
• M8: 4,314,702 km (0.088 R)
• M9: 4,939,572 km (0.049 R)
• M10: 6,303,157 km (0.106 R)
• M11: 7,982,692 km (0.067 R)
• M12: 10,503,267 km (0.099 R)
• M13: 13,233,727 km (0.119 R)
• M14: 15,647,937 km (0.112 R)
• M15: 16,342,520 km (0.112 R)
• M16: 17,322,985 km (0.104 R)
• M17: 17,929,754 km (0.084 R)
• M18: 19,689,922 km (0.083 R)
• M19: 23,633,172 km (0.096 R)
• M20: 25,227,886 km (0.108 R)
• M21: 29,479,457 km (0.084 R)
• M22: 30,344,881 km (0.071 R)
• M23: 37,105,059 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 11.4

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.5 AU - 8.78 AU

Year: 6737 Days

Day: 9.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,471,858 km

• M1: 141,819 km (0.093 R)
• M2: 711,936 km (0.081 R)
• M3: 1,415,944 km (0.118 R)
• M4: 1,853,667 km (0.083 R)
• M5: 3,647,346 km (0.06 R)
• M6: 4,348,212 km (0.108 R)
• M7: 5,788,839 km (0.084 R)
• M8: 6,287,898 km (0.109 R)
• M9: 7,372,333 km (0.106 R)
• M10: 8,409,345 km (0.03 R)
• M11: 9,050,522 km (0.098 R)
• M12: 10,096,809 km (0.077 R)
• M13: 10,624,890 km (0.111 R)
• M14: 11,946,437 km (0.115 R)
• M15: 12,868,110 km (0.056 R)
• M16: 13,662,026 km (0.096 R)
• M17: 15,098,763 km (0.086 R)
• M18: 16,111,092 km (0.099 R)
• M19: 18,411,608 km (0.1 R)
• M20: 18,983,222 km (0.117 R)
• M21: 19,419,748 km (0.049 R)
• M22: 21,233,024 km (0.087 R)
• M23: 21,941,220 km (0.062 R)
• M24: 24,673,476 km (0.102 R)
• M25: 25,809,672 km (0.054 R)
• M26: 28,564,068 km (0.114 R)
• M27: 34,542,448 km (0.094 R)
• M28: 37,196,015 km (0.083 R)
• M29: 38,225,248 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710

Radius: 7.2

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 12.54 AU - 17.52 AU

Year: 20575 Days

Day: 17.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,471,858 km

• M1: 172,786 km (0.116 R)
• M2: 1,515,426 km (0.119 R)
• M3: 1,810,134 km (0.061 R)
• M4: 2,780,276 km (0.077 R)
• M5: 4,390,548 km (0.069 R)
• M6: 4,632,597 km (0.056 R)
• M7: 5,814,121 km (0.097 R)
• M8: 9,887,372 km (0.119 R)
• M9: 10,184,174 km (0.098 R)
• M10: 11,302,568 km (0.037 R)
• M11: 11,891,535 km (0.101 R)
• M12: 12,847,914 km (0.055 R)
• M13: 14,529,095 km (0.084 R)
• M14: 16,767,378 km (0.084 R)
• M15: 19,225,870 km (0.115 R)
• M16: 19,688,875 km (0.044 R)
• M17: 23,875,820 km (0.11 R)
• M18: 26,289,283 km (0.09 R)
• M19: 29,467,639 km (0.101 R)
• M20: 35,873,719 km (0.108 R)
• M21: 46,713,132 km (0.068 R)
• M22: 49,080,518 km (0.092 R)
• M23: 52,419,692 km (0.119 R)
• M24: 59,546,535 km (0.099 R)
• M25: 61,124,942 km (0.053 R)
• M26: 63,136,884 km (0.093 R)
• M27: 66,027,264 km (0.087 R)
• M28: 74,769,315 km (0.112 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 16,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit