🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.51 AU - 0.59 AU

Year: 157 Days

Day: 20 Hours

Environment

Temp: 212 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.54 AU - 0.56 AU

Year: 157 Days

Day: 39.7 Hours

Environment

Temp: 166 °C

Axial Tilt: 2.6 °

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: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.47 AU - 0.77 AU

Year: 188 Days

Day: 40.2 Hours

Environment

Temp: 122 °C

Axial Tilt: 37.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,888,477 km

• M1: 57,595 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.78 AU - 0.84 AU

Year: 281 Days

Day: 35.7 Hours

Environment

Temp: 26 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.74 AU - 0.96 AU

Year: 302 Days

Day: 13.5 Hours

Environment

Temp: 31 °C

Axial Tilt: 22.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.95 AU - 1.09 AU

Year: 397 Days

Day: 24.4 Hours

Environment

Temp: 7 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.18 AU - 3.24 AU

Year: 1718 Days

Day: 41.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,888,477 km

• M1: 71,957 km (0.098 R)

Asteroid Belt

Center: 3.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.3

Radius: 10.9

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.09 AU - 6.29 AU

Year: 4552 Days

Day: 11 Hours

Environment

Temp: -153 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,888,477 km

• M1: 135,984 km (0.119 R)
• M2: 573,708 km (0.076 R)
• M3: 1,022,352 km (0.117 R)
• M4: 1,434,494 km (0.062 R)
• M5: 2,322,208 km (0.052 R)
• M6: 3,372,983 km (0.084 R)
• M7: 4,857,892 km (0.101 R)
• M8: 6,768,855 km (0.059 R)
• M9: 8,385,709 km (0.103 R)
• M10: 9,892,309 km (0.073 R)
• M11: 19,897,863 km (0.107 R)
• M12: 20,336,035 km (0.054 R)
• M13: 21,427,202 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.4

Radius: 5.6

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 10.64 AU - 12.7 AU

Year: 15349 Days

Day: 19.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,888,477 km

• M1: 69,862 km (0.059 R)
• M2: 298,897 km (0.096 R)
• M3: 767,437 km (0.109 R)
• M4: 1,071,420 km (0.064 R)
• M5: 1,398,890 km (0.098 R)
• M6: 2,290,942 km (0.072 R)
• M7: 3,267,965 km (0.08 R)
• M8: 3,537,840 km (0.086 R)
• M9: 4,150,144 km (0.079 R)
• M10: 4,378,879 km (0.111 R)
• M11: 8,039,390 km (0.108 R)
• M12: 9,187,104 km (0.11 R)
• M13: 9,478,072 km (0.083 R)
• M14: 10,336,016 km (0.066 R)
• M15: 11,916,966 km (0.061 R)
• M16: 13,527,836 km (0.079 R)
• M17: 16,032,853 km (0.058 R)
• M18: 18,445,567 km (0.112 R)
• M19: 21,596,248 km (0.054 R)
• M20: 22,986,610 km (0.098 R)
• M21: 25,371,350 km (0.093 R)
• M22: 35,840,658 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.7

Radius: 6.4

Gravity: 23.85 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 11.52 AU - 16.08 AU

Year: 19737 Days

Day: 22.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,888,477 km

• M1: 80,184 km (0.115 R)
• M2: 288,275 km (0.044 R)
• M3: 1,342,192 km (0.061 R)
• M4: 1,824,196 km (0.084 R)
• M5: 2,346,592 km (0.083 R)
• M6: 3,239,542 km (0.103 R)
• M7: 5,426,364 km (0.095 R)
• M8: 5,713,442 km (0.101 R)
• M9: 6,010,693 km (0.085 R)
• M10: 6,318,116 km (0.057 R)
• M11: 7,205,830 km (0.06 R)
• M12: 7,654,325 km (0.095 R)
• M13: 9,754,978 km (0.088 R)
• M14: 11,329,645 km (0.08 R)
• M15: 13,732,935 km (0.075 R)
• M16: 14,036,319 km (0.115 R)
• M17: 16,118,572 km (0.067 R)
• M18: 21,185,003 km (0.079 R)
• M19: 21,590,264 km (0.062 R)
• M20: 24,021,229 km (0.075 R)
• M21: 28,550,155 km (0.105 R)
• M22: 29,923,464 km (0.056 R)
• M23: 34,029,925 km (0.111 R)
• M24: 34,585,681 km (0.098 R)
• M25: 37,899,573 km (0.107 R)
• M26: 38,346,871 km (0.107 R)
• M27: 42,212,031 km (0.079 R)
• M28: 44,486,068 km (0.09 R)
• M29: 45,821,529 km (0.097 R)
• M30: 60,677,046 km (0.102 R)
• M31: 62,318,284 km (0.096 R)
• M32: 63,359,186 km (0.11 R)
• M33: 65,689,472 km (0.058 R)
• M34: 66,334,837 km (0.056 R)
• M35: 66,984,391 km (0.119 R)
• M36: 69,402,342 km (0.078 R)
• M37: 70,520,436 km (0.032 R)
• M38: 82,369,635 km (0.047 R)
• M39: 84,634,247 km (0.062 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 10,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit