🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.78 AU - 3.72 AU

Year: 2069 Days

Day: 44.9 Hours

Environment

Temp: -97 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.73 AU - 4.93 AU

Year: 3181 Days

Day: 13.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,869,479 km

• M1: 69,862 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.1

Radius: 12.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.72 AU - 6.2 AU

Year: 4505 Days

Day: 11.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,869,479 km

• M1: 159,920 km (0.12 R)
• M2: 570,267 km (0.117 R)
• M3: 1,617,153 km (0.108 R)
• M4: 2,670,771 km (0.081 R)
• M5: 4,215,219 km (0.12 R)
• M6: 4,659,974 km (0.082 R)
• M7: 6,982,181 km (0.097 R)
• M8: 8,025,028 km (0.053 R)
• M9: 9,302,444 km (0.102 R)
• M10: 9,884,679 km (0.098 R)
• M11: 11,583,064 km (0.111 R)
• M12: 13,042,242 km (0.108 R)
• M13: 14,484,215 km (0.08 R)
• M14: 14,941,536 km (0.111 R)
• M15: 15,503,127 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.8

Radius: 10.9

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.19 AU - 6.01 AU

Year: 4679 Days

Day: 10.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,869,479 km

• M1: 135,685 km (0.104 R)
• M2: 576,849 km (0.045 R)
• M3: 951,891 km (0.095 R)
• M4: 1,484,160 km (0.095 R)
• M5: 1,990,100 km (0.105 R)
• M6: 2,982,982 km (0.056 R)
• M7: 3,580,027 km (0.062 R)
• M8: 4,776,660 km (0.09 R)
• M9: 5,948,311 km (0.091 R)
• M10: 6,666,380 km (0.111 R)
• M11: 7,267,764 km (0.106 R)
• M12: 7,724,486 km (0.055 R)
• M13: 8,088,607 km (0.053 R)
• M14: 11,856,080 km (0.11 R)
• M15: 13,613,855 km (0.059 R)
• M16: 14,472,846 km (0.094 R)
• M17: 15,196,900 km (0.1 R)
• M18: 15,945,039 km (0.104 R)
• M19: 18,018,016 km (0.117 R)
• M20: 18,987,261 km (0.111 R)
• M21: 21,383,968 km (0.104 R)
• M22: 22,691,903 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.4

Radius: 6.2

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 14.71 AU - 14.91 AU

Year: 20125 Days

Day: 23.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,869,479 km

• M1: 77,193 km (0.12 R)
• M2: 828,473 km (0.079 R)
• M3: 1,059,602 km (0.12 R)
• M4: 1,372,860 km (0.115 R)
• M5: 2,613,176 km (0.083 R)
• M6: 2,979,990 km (0.074 R)
• M7: 3,684,745 km (0.084 R)
• M8: 4,555,106 km (0.102 R)
• M9: 4,831,712 km (0.097 R)
• M10: 5,452,543 km (0.047 R)
• M11: 7,719,998 km (0.051 R)
• M12: 8,113,740 km (0.101 R)
• M13: 8,988,887 km (0.119 R)
• M14: 9,326,679 km (0.089 R)
• M15: 10,549,343 km (0.073 R)
• M16: 11,310,048 km (0.101 R)
• M17: 11,590,394 km (0.112 R)
• M18: 13,001,102 km (0.116 R)
• M19: 14,588,485 km (0.09 R)
• M20: 17,613,504 km (0.081 R)
• M21: 18,066,336 km (0.087 R)
• M22: 19,232,452 km (0.046 R)
• M23: 20,613,689 km (0.106 R)
• M24: 26,017,314 km (0.097 R)
• M25: 31,625,139 km (0.12 R)
• M26: 35,182,726 km (0.113 R)
• M27: 38,364,823 km (0.075 R)
• M28: 43,080,148 km (0.096 R)
• M29: 43,353,014 km (0.108 R)
• M30: 43,901,889 km (0.118 R)
• M31: 45,013,700 km (0.102 R)
• M32: 47,729,201 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.1

Radius: 6.2

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 15.9 AU - 16.12 AU

Year: 22620 Days

Day: 19.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,869,479 km

• M1: 80,035 km (0.05 R)
• M2: 421,118 km (0.085 R)
• M3: 687,253 km (0.06 R)
• M4: 936,183 km (0.106 R)
• M5: 3,207,079 km (0.038 R)
• M6: 3,704,791 km (0.108 R)
• M7: 4,316,796 km (0.096 R)
• M8: 5,546,640 km (0.106 R)
• M9: 10,849,286 km (0.111 R)
• M10: 14,277,621 km (0.104 R)
• M11: 15,085,300 km (0.111 R)
• M12: 18,969,160 km (0.062 R)
• M13: 19,586,101 km (0.076 R)
• M14: 31,975,049 km (0.116 R)
• M15: 32,722,589 km (0.095 R)
• M16: 33,354,491 km (0.061 R)
• M17: 35,298,814 km (0.093 R)
• M18: 37,592,299 km (0.119 R)
• M19: 46,162,612 km (0.091 R)
• M20: 49,065,708 km (0.041 R)
• M21: 58,316,092 km (0.093 R)
• M22: 63,837,899 km (0.102 R)

Kuiper Belt

Range: 31.1 - 52.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 18,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit