🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 11.1

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.75 AU - 0.79 AU

Year: 443 Days

Day: 6 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,769,838 km

• M1: 138,079 km (0.114 R)
• M2: 508,034 km (0.06 R)
• M3: 1,126,173 km (0.089 R)
• M4: 1,560,605 km (0.082 R)
• M5: 2,050,837 km (0.103 R)
• M6: 2,425,430 km (0.111 R)
• M7: 3,219,496 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.2

Radius: 14

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.02 AU - 1.62 AU

Year: 995 Days

Day: 9.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,769,838 km

• M1: 174,730 km (0.117 R)
• M2: 677,230 km (0.073 R)
• M3: 1,399,039 km (0.072 R)
• M4: 2,297,375 km (0.12 R)
• M5: 3,019,932 km (0.087 R)
• M6: 5,016,017 km (0.116 R)
• M7: 7,650,884 km (0.071 R)
• M8: 9,498,866 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.1

Radius: 9.2

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.4 AU - 1.61 AU

Year: 1205 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,769,838 km

• M1: 114,442 km (0.107 R)
• M2: 410,945 km (0.103 R)
• M3: 1,041,500 km (0.11 R)
• M4: 1,810,882 km (0.113 R)
• M5: 2,217,938 km (0.115 R)
• M6: 2,529,999 km (0.064 R)
• M7: 3,217,551 km (0.118 R)
• M8: 3,509,117 km (0.069 R)
• M9: 4,427,798 km (0.036 R)
• M10: 4,806,729 km (0.114 R)
• M11: 6,075,319 km (0.067 R)
• M12: 7,716,557 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265

Radius: 10.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.91 AU - 2.21 AU

Year: 1940 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,769,838 km

• M1: 128,056 km (0.101 R)
• M2: 476,320 km (0.12 R)
• M3: 961,316 km (0.107 R)
• M4: 1,727,556 km (0.079 R)
• M5: 2,074,922 km (0.05 R)
• M6: 2,469,262 km (0.057 R)
• M7: 3,190,923 km (0.064 R)
• M8: 3,930,534 km (0.101 R)
• M9: 4,894,992 km (0.106 R)
• M10: 6,348,036 km (0.068 R)
• M11: 8,454,075 km (0.108 R)
• M12: 9,259,360 km (0.083 R)
• M13: 10,368,778 km (0.1 R)
• M14: 10,922,440 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.9

Radius: 7.1

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.29 AU - 7.37 AU

Year: 13019 Days

Day: 22.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,769,838 km

• M1: 88,263 km (0.116 R)
• M2: 382,821 km (0.081 R)
• M3: 701,764 km (0.101 R)
• M4: 1,029,233 km (0.047 R)
• M5: 2,744,223 km (0.104 R)
• M6: 4,087,911 km (0.108 R)
• M7: 4,424,955 km (0.063 R)
• M8: 4,719,813 km (0.107 R)
• M9: 5,283,797 km (0.111 R)
• M10: 5,514,926 km (0.082 R)
• M11: 6,212,800 km (0.044 R)
• M12: 6,583,204 km (0.093 R)
• M13: 8,569,564 km (0.08 R)
• M14: 9,797,314 km (0.109 R)
• M15: 10,096,510 km (0.034 R)
• M16: 11,138,309 km (0.095 R)
• M17: 11,965,286 km (0.1 R)
• M18: 14,627,231 km (0.11 R)
• M19: 15,483,529 km (0.112 R)
• M20: 17,368,163 km (0.08 R)
• M21: 17,733,182 km (0.111 R)
• M22: 22,264,352 km (0.079 R)
• M23: 23,484,771 km (0.091 R)
• M24: 33,640,073 km (0.047 R)
• M25: 33,979,660 km (0.084 R)
• M26: 37,868,607 km (0.12 R)
• M27: 42,438,223 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.3

Radius: 6.2

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.72 AU - 9.66 AU

Year: 15376 Days

Day: 16 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,769,838 km

• M1: 127,757 km (0.096 R)
• M2: 424,858 km (0.047 R)
• M3: 677,978 km (0.089 R)
• M4: 1,616,704 km (0.11 R)
• M5: 2,501,875 km (0.084 R)
• M6: 2,947,527 km (0.109 R)
• M7: 4,336,693 km (0.09 R)
• M8: 5,441,623 km (0.034 R)
• M9: 5,753,684 km (0.116 R)
• M10: 6,188,266 km (0.057 R)
• M11: 8,193,176 km (0.067 R)
• M12: 9,465,057 km (0.057 R)
• M13: 10,173,852 km (0.084 R)
• M14: 11,414,467 km (0.117 R)
• M15: 14,917,600 km (0.088 R)
• M16: 16,657,873 km (0.104 R)
• M17: 17,094,848 km (0.055 R)
• M18: 20,535,898 km (0.111 R)
• M19: 22,683,226 km (0.088 R)
• M20: 24,786,871 km (0.102 R)
• M21: 25,644,366 km (0.056 R)
• M22: 31,208,809 km (0.025 R)
• M23: 32,096,074 km (0.09 R)
• M24: 33,921,018 km (0.108 R)
• M25: 40,458,894 km (0.117 R)
• M26: 48,228,259 km (0.084 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: 170 - 17,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit