🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.43 AU - 2.01 AU

Year: 951 Days

Day: 37.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 134.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.79 AU - 2.57 AU

Year: 1358 Days

Day: 32.6 Hours

Environment

Temp: -108 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.04 AU - 2.5 AU

Year: 1442 Days

Day: 23.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.4

Radius: 12.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.59 AU - 5.59 AU

Year: 4843 Days

Day: 13.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,153,407 km

• M1: 153,039 km (0.1 R)
• M2: 685,607 km (0.1 R)
• M3: 1,322,296 km (0.062 R)
• M4: 3,168,782 km (0.085 R)
• M5: 3,782,732 km (0.069 R)
• M6: 6,087,137 km (0.075 R)
• M7: 7,580,423 km (0.106 R)
• M8: 9,006,390 km (0.112 R)
• M9: 13,646,019 km (0.099 R)
• M10: 15,039,224 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.2

Radius: 13.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.04 AU - 9.38 AU

Year: 11788 Days

Day: 9.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,153,407 km

• M1: 183,856 km (0.025 R)
• M2: 696,528 km (0.051 R)
• M3: 1,813,874 km (0.113 R)
• M4: 2,377,709 km (0.115 R)
• M5: 3,555,941 km (0.047 R)
• M6: 9,290,626 km (0.052 R)
• M7: 9,733,286 km (0.085 R)
• M8: 11,989,222 km (0.106 R)
• M9: 18,419,387 km (0.11 R)
• M10: 19,516,987 km (0.052 R)
• M11: 25,286,827 km (0.082 R)
• M12: 34,740,366 km (0.093 R)
• M13: 39,409,016 km (0.111 R)
• M14: 42,160,719 km (0.043 R)
• M15: 44,341,557 km (0.111 R)
• M16: 46,596,595 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.8

Radius: 13.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.2 AU - 11.56 AU

Year: 13098 Days

Day: 11.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,153,407 km

• M1: 163,062 km (0.09 R)
• M2: 630,555 km (0.103 R)
• M3: 1,467,106 km (0.079 R)
• M4: 2,297,375 km (0.102 R)
• M5: 2,873,177 km (0.09 R)
• M6: 3,494,606 km (0.11 R)
• M7: 4,790,872 km (0.099 R)
• M8: 5,431,300 km (0.108 R)
• M9: 10,181,033 km (0.11 R)
• M10: 10,970,311 km (0.045 R)
• M11: 12,027,968 km (0.107 R)
• M12: 15,885,947 km (0.111 R)
• M13: 22,017,216 km (0.095 R)
• M14: 26,133,701 km (0.078 R)
• M15: 33,859,084 km (0.077 R)
• M16: 38,551,670 km (0.066 R)
• M17: 43,252,784 km (0.086 R)
• M18: 44,071,832 km (0.067 R)
• M19: 46,023,037 km (0.117 R)
• M20: 48,468,962 km (0.116 R)
• M21: 49,947,737 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.2

Radius: 3.2

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 9.28 AU - 13.66 AU

Year: 16383 Days

Day: 17.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,153,407 km

• M1: 43,982 km (0.044 R)
• M2: 158,574 km (0.074 R)
• M3: 399,277 km (0.078 R)
• M4: 1,097,899 km (0.092 R)
• M5: 3,486,079 km (0.084 R)
• M6: 5,306,386 km (0.094 R)
• M7: 8,627,608 km (0.088 R)
• M8: 9,304,240 km (0.118 R)
• M9: 10,061,055 km (0.084 R)
• M10: 11,100,162 km (0.1 R)
• M11: 13,444,510 km (0.042 R)
• M12: 16,604,466 km (0.084 R)
• M13: 17,514,769 km (0.085 R)
• M14: 23,443,482 km (0.071 R)
• M15: 28,608,349 km (0.108 R)
• M16: 31,160,937 km (0.077 R)
• M17: 33,861,328 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.5

Radius: 3.5

Gravity: 56.86 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 10.64 AU - 12.7 AU

Year: 16814 Days

Day: 16.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,153,407 km

• M1: 50,564 km (0.1 R)
• M2: 366,515 km (0.095 R)
• M3: 758,910 km (0.068 R)
• M4: 1,107,772 km (0.117 R)
• M5: 1,444,667 km (0.092 R)
• M6: 1,864,139 km (0.102 R)
• M7: 2,338,664 km (0.098 R)
• M8: 2,468,963 km (0.102 R)
• M9: 2,604,200 km (0.072 R)
• M10: 2,889,333 km (0.04 R)
• M11: 3,168,632 km (0.09 R)
• M12: 3,301,326 km (0.078 R)
• M13: 3,437,909 km (0.076 R)
• M14: 3,810,407 km (0.103 R)
• M15: 4,177,670 km (0.076 R)
• M16: 4,946,902 km (0.111 R)
• M17: 10,948,171 km (0.087 R)
• M18: 11,940,752 km (0.081 R)
• M19: 13,679,229 km (0.094 R)
• M20: 17,236,966 km (0.086 R)
• M21: 24,523,878 km (0.065 R)
• M22: 25,677,876 km (0.087 R)
• M23: 26,214,035 km (0.057 R)
• M24: 33,497,058 km (0.096 R)
• M25: 38,010,874 km (0.067 R)
• M26: 39,128,819 km (0.097 R)
• M27: 41,724,043 km (0.097 R)
• M28: 41,871,546 km (0.118 R)
• M29: 43,214,337 km (0.12 R)
• M30: 46,142,715 km (0.119 R)
• M31: 47,094,307 km (0.118 R)
• M32: 48,220,929 km (0.099 R)
• M33: 51,538,561 km (0.118 R)
• M34: 55,005,043 km (0.051 R)
• M35: 56,254,185 km (0.113 R)
• M36: 57,704,686 km (0.102 R)
• M37: 57,887,794 km (0.038 R)
• M38: 58,439,211 km (0.103 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 18,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit