🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.83 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.31 AU - 3.99 AU

Year: 2462 Days

Day: 36.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,940,545 km

• M1: 727,195 km (0.087 R)
• M2: 1,056,759 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.28 AU - 4.82 AU

Year: 3427 Days

Day: 14.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.7

Radius: 11.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.88 AU - 6.8 AU

Year: 5637 Days

Day: 8.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,940,545 km

• M1: 148,102 km (0.1 R)
• M2: 733,030 km (0.065 R)
• M3: 1,298,360 km (0.056 R)
• M4: 1,910,963 km (0.102 R)
• M5: 3,146,193 km (0.12 R)
• M6: 3,542,178 km (0.08 R)
• M7: 3,971,674 km (0.1 R)
• M8: 4,936,281 km (0.111 R)
• M9: 5,474,085 km (0.077 R)
• M10: 5,957,137 km (0.097 R)
• M11: 6,435,700 km (0.115 R)
• M12: 7,290,353 km (0.116 R)
• M13: 8,773,018 km (0.095 R)
• M14: 15,701,643 km (0.041 R)
• M15: 17,568,774 km (0.062 R)
• M16: 19,579,519 km (0.103 R)
• M17: 20,140,661 km (0.079 R)
• M18: 20,640,467 km (0.046 R)
• M19: 22,038,908 km (0.118 R)
• M20: 22,953,998 km (0.087 R)
• M21: 23,499,582 km (0.107 R)
• M22: 24,053,542 km (0.088 R)
• M23: 29,531,218 km (0.086 R)
• M24: 31,495,737 km (0.107 R)
• M25: 31,879,605 km (0.111 R)
• M26: 32,461,242 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.1

Radius: 14.5

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.33 AU - 7.57 AU

Year: 5784 Days

Day: 14.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,940,545 km

• M1: 181,911 km (0.079 R)
• M2: 715,377 km (0.097 R)
• M3: 1,620,295 km (0.116 R)
• M4: 2,548,998 km (0.073 R)
• M5: 3,422,201 km (0.08 R)
• M6: 5,156,040 km (0.108 R)
• M7: 6,555,229 km (0.107 R)
• M8: 9,504,551 km (0.078 R)
• M9: 9,955,738 km (0.107 R)
• M10: 12,324,321 km (0.099 R)
• M11: 13,136,039 km (0.116 R)
• M12: 14,390,866 km (0.033 R)
• M13: 17,270,925 km (0.075 R)
• M14: 22,919,890 km (0.05 R)
• M15: 23,733,852 km (0.099 R)
• M16: 25,333,502 km (0.072 R)
• M17: 28,934,622 km (0.112 R)
• M18: 36,362,904 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.2

Radius: 11.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.03 AU - 8.23 AU

Year: 7442 Days

Day: 9.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,940,545 km

• M1: 147,952 km (0.089 R)
• M2: 1,087,427 km (0.117 R)
• M3: 1,950,008 km (0.096 R)
• M4: 2,325,200 km (0.063 R)
• M5: 3,356,677 km (0.087 R)
• M6: 6,945,081 km (0.109 R)
• M7: 7,833,543 km (0.099 R)
• M8: 8,759,105 km (0.098 R)
• M9: 10,406,477 km (0.077 R)
• M10: 12,021,086 km (0.056 R)
• M11: 13,746,848 km (0.087 R)
• M12: 14,773,987 km (0.089 R)
• M13: 17,982,412 km (0.081 R)
• M14: 18,528,295 km (0.113 R)
• M15: 20,038,336 km (0.067 R)
• M16: 21,970,542 km (0.105 R)
• M17: 22,454,940 km (0.04 R)
• M18: 23,517,084 km (0.087 R)
• M19: 24,023,922 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.3

Radius: 10.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.75 AU - 10.89 AU

Year: 9249 Days

Day: 9 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,940,545 km

• M1: 129,552 km (0.107 R)
• M2: 529,576 km (0.096 R)
• M3: 1,141,282 km (0.11 R)
• M4: 1,620,893 km (0.108 R)
• M5: 1,946,567 km (0.068 R)
• M6: 2,564,556 km (0.033 R)
• M7: 3,672,777 km (0.1 R)
• M8: 4,063,527 km (0.107 R)
• M9: 4,842,932 km (0.091 R)
• M10: 5,815,318 km (0.049 R)
• M11: 6,382,444 km (0.072 R)
• M12: 7,358,570 km (0.086 R)
• M13: 10,113,714 km (0.049 R)
• M14: 12,062,076 km (0.033 R)
• M15: 13,209,043 km (0.071 R)
• M16: 13,954,639 km (0.111 R)
• M17: 14,607,334 km (0.044 R)
• M18: 17,558,900 km (0.119 R)
• M19: 21,898,585 km (0.12 R)
• M20: 23,106,139 km (0.116 R)
• M21: 23,851,735 km (0.071 R)
• M22: 24,188,181 km (0.08 R)
• M23: 27,544,858 km (0.104 R)
• M24: 29,430,539 km (0.11 R)
• M25: 37,496,557 km (0.104 R)
• M26: 38,641,579 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.4

Radius: 12.7

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.77 AU - 9.75 AU

Year: 9950 Days

Day: 5.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,940,545 km

• M1: 159,023 km (0.116 R)
• M2: 651,349 km (0.064 R)
• M3: 1,282,503 km (0.093 R)
• M4: 1,730,698 km (0.085 R)
• M5: 2,378,157 km (0.085 R)
• M6: 2,845,202 km (0.103 R)
• M7: 3,472,017 km (0.059 R)
• M8: 4,782,943 km (0.092 R)
• M9: 5,499,966 km (0.07 R)
• M10: 5,956,538 km (0.07 R)
• M11: 7,397,016 km (0.071 R)
• M12: 8,266,629 km (0.083 R)
• M13: 9,899,938 km (0.088 R)
• M14: 10,793,038 km (0.11 R)
• M15: 19,085,846 km (0.091 R)
• M16: 20,468,280 km (0.097 R)
• M17: 22,091,267 km (0.112 R)
• M18: 23,069,188 km (0.108 R)
• M19: 25,495,367 km (0.114 R)
• M20: 27,372,670 km (0.079 R)
• M21: 28,087,000 km (0.089 R)
• M22: 29,981,059 km (0.042 R)
• M23: 34,139,431 km (0.089 R)
• M24: 37,281,734 km (0.069 R)
• M25: 44,977,049 km (0.098 R)
• M26: 47,564,793 km (0.11 R)

Kuiper Belt

Range: 31.1 - 58.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 18,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit