🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.68 AU - 1.06 AU

Year: 303 Days

Day: 24.9 Hours

Environment

Temp: 65 °C

Axial Tilt: 46.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,887,753 km

• M1: 126,560 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.45 AU - 1.81 AU

Year: 776 Days

Day: 22.8 Hours

Environment

Temp: -57 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.75 AU - 2.39 AU

Year: 1110 Days

Day: 37.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.59 AU - 3.01 AU

Year: 1747 Days

Day: 15.7 Hours

Environment

Temp: -107 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,887,753 km

• M1: 1,093,560 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.37 AU - 3.87 AU

Year: 2054 Days

Day: 29.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.3

Radius: 11.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.81 AU - 9.87 AU

Year: 9798 Days

Day: 13.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,887,753 km

• M1: 143,016 km (0.1 R)
• M2: 514,168 km (0.118 R)
• M3: 1,095,655 km (0.112 R)
• M4: 1,634,058 km (0.117 R)
• M5: 2,617,065 km (0.11 R)
• M6: 3,322,270 km (0.03 R)
• M7: 4,012,215 km (0.066 R)
• M8: 4,464,898 km (0.087 R)
• M9: 5,046,535 km (0.064 R)
• M10: 5,473,188 km (0.065 R)
• M11: 6,176,746 km (0.111 R)
• M12: 7,594,186 km (0.087 R)
• M13: 8,289,667 km (0.11 R)
• M14: 9,218,071 km (0.076 R)
• M15: 10,266,154 km (0.106 R)
• M16: 11,116,767 km (0.079 R)
• M17: 11,559,278 km (0.088 R)
• M18: 13,510,782 km (0.098 R)
• M19: 13,887,918 km (0.085 R)
• M20: 14,861,501 km (0.107 R)
• M21: 15,672,771 km (0.11 R)
• M22: 18,360,745 km (0.09 R)
• M23: 19,613,178 km (0.078 R)
• M24: 23,350,283 km (0.096 R)
• M25: 24,261,483 km (0.116 R)
• M26: 25,007,229 km (0.079 R)
• M27: 29,176,522 km (0.118 R)
• M28: 33,214,617 km (0.084 R)
• M29: 39,243,261 km (0.098 R)
• M30: 40,141,597 km (0.055 R)
• M31: 40,922,498 km (0.12 R)
• M32: 47,393,653 km (0.049 R)
• M33: 48,412,414 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.6

Radius: 14.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.22 AU - 13.02 AU

Year: 12902 Days

Day: 8.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,887,753 km

• M1: 180,864 km (0.105 R)
• M2: 781,050 km (0.053 R)
• M3: 1,531,284 km (0.067 R)
• M4: 2,170,366 km (0.119 R)
• M5: 2,714,154 km (0.102 R)
• M6: 3,199,599 km (0.076 R)
• M7: 4,409,846 km (0.074 R)
• M8: 5,648,217 km (0.054 R)
• M9: 7,856,880 km (0.027 R)
• M10: 8,369,552 km (0.097 R)
• M11: 9,882,585 km (0.101 R)
• M12: 10,648,227 km (0.112 R)
• M13: 12,113,688 km (0.109 R)
• M14: 12,863,173 km (0.059 R)
• M15: 16,777,551 km (0.079 R)
• M16: 18,840,057 km (0.089 R)
• M17: 21,604,476 km (0.044 R)
• M18: 22,059,702 km (0.057 R)
• M19: 23,848,145 km (0.118 R)
• M20: 25,126,309 km (0.043 R)
• M21: 29,346,166 km (0.042 R)
• M22: 32,925,444 km (0.041 R)
• M23: 43,056,810 km (0.082 R)
• M24: 46,595,398 km (0.048 R)
• M25: 48,435,452 km (0.091 R)
• M26: 50,005,482 km (0.118 R)
• M27: 55,088,070 km (0.072 R)
• M28: 59,787,088 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194

Radius: 9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10.93 AU - 12.35 AU

Year: 14804 Days

Day: 11.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,887,753 km

• M1: 116,088 km (0.108 R)
• M2: 588,817 km (0.11 R)
• M3: 950,694 km (0.081 R)
• M4: 1,511,686 km (0.075 R)
• M5: 2,062,356 km (0.032 R)
• M6: 2,402,841 km (0.093 R)
• M7: 2,721,634 km (0.11 R)
• M8: 3,111,337 km (0.082 R)
• M9: 3,609,049 km (0.104 R)
• M10: 4,763,795 km (0.072 R)
• M11: 5,087,524 km (0.063 R)
• M12: 5,552,774 km (0.105 R)
• M13: 6,148,173 km (0.103 R)
• M14: 6,604,297 km (0.11 R)
• M15: 8,275,305 km (0.058 R)
• M16: 8,614,893 km (0.054 R)
• M17: 13,682,670 km (0.049 R)
• M18: 14,891,870 km (0.057 R)
• M19: 17,245,493 km (0.051 R)
• M20: 19,462,234 km (0.118 R)
• M21: 20,369,096 km (0.107 R)
• M22: 30,135,743 km (0.109 R)
• M23: 32,384,049 km (0.064 R)
• M24: 33,549,118 km (0.097 R)
• M25: 34,961,770 km (0.113 R)
• M26: 38,843,386 km (0.068 R)
• M27: 39,556,968 km (0.114 R)
• M28: 40,521,874 km (0.034 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: 273 - 13,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit