🌌 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: 995.8

Radius: 12

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.6 AU - 0.94 AU

Year: 430 Days

Day: 11.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,275,352 km

• M1: 149,299 km (0.105 R)
• M2: 541,395 km (0.078 R)
• M3: 943,813 km (0.106 R)
• M4: 1,406,519 km (0.1 R)
• M5: 1,824,346 km (0.064 R)
• M6: 2,539,274 km (0.113 R)
• M7: 3,018,885 km (0.112 R)
• M8: 3,545,918 km (0.115 R)
• M9: 4,063,826 km (0.118 R)
• M10: 5,072,116 km (0.093 R)
• M11: 5,714,190 km (0.115 R)
• M12: 6,315,125 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.1

Radius: 9.9

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.74 AU - 0.94 AU

Year: 489 Days

Day: 7.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,275,352 km

• M1: 123,269 km (0.065 R)
• M2: 552,764 km (0.065 R)
• M3: 967,150 km (0.085 R)
• M4: 1,439,580 km (0.05 R)
• M5: 2,169,169 km (0.082 R)
• M6: 2,843,108 km (0.111 R)
• M7: 3,333,041 km (0.1 R)
• M8: 4,274,610 km (0.109 R)
• M9: 4,839,192 km (0.051 R)
• M10: 5,164,717 km (0.035 R)
• M11: 5,734,086 km (0.115 R)
• M12: 6,382,892 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.6

Radius: 8.7

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.04 AU - 1.18 AU

Year: 744 Days

Day: 9.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,275,352 km

• M1: 108,309 km (0.099 R)
• M2: 404,662 km (0.064 R)
• M3: 943,813 km (0.107 R)
• M4: 1,244,505 km (0.067 R)
• M5: 2,026,303 km (0.108 R)
• M6: 2,303,209 km (0.07 R)
• M7: 3,530,959 km (0.102 R)
• M8: 3,812,502 km (0.094 R)
• M9: 4,403,862 km (0.096 R)
• M10: 5,471,841 km (0.06 R)
• M11: 6,570,638 km (0.105 R)
• M12: 7,468,374 km (0.069 R)
• M13: 9,562,745 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.6

Radius: 9.6

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.11 AU - 3.05 AU

Year: 2635 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,275,352 km

• M1: 119,529 km (0.086 R)
• M2: 650,452 km (0.076 R)
• M3: 1,057,358 km (0.092 R)
• M4: 1,387,819 km (0.12 R)
• M5: 2,183,979 km (0.106 R)
• M6: 3,120,312 km (0.119 R)
• M7: 3,492,063 km (0.118 R)
• M8: 4,950,642 km (0.067 R)
• M9: 5,309,976 km (0.11 R)
• M10: 6,353,870 km (0.083 R)
• M11: 7,529,261 km (0.113 R)
• M12: 8,201,404 km (0.105 R)
• M13: 8,983,053 km (0.081 R)
• M14: 10,305,049 km (0.114 R)
• M15: 10,932,612 km (0.107 R)
• M16: 13,606,974 km (0.069 R)
• M17: 14,555,274 km (0.104 R)
• M18: 15,045,656 km (0.062 R)
• M19: 15,750,861 km (0.061 R)
• M20: 16,425,098 km (0.075 R)
• M21: 17,609,764 km (0.12 R)
• M22: 19,257,435 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606

Radius: 11.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.4 AU - 5.6 AU

Year: 6069 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,275,352 km

• M1: 143,165 km (0.039 R)
• M2: 585,825 km (0.086 R)
• M3: 943,963 km (0.061 R)
• M4: 2,002,667 km (0.099 R)
• M5: 2,772,497 km (0.034 R)
• M6: 4,576,947 km (0.112 R)
• M7: 5,757,573 km (0.096 R)
• M8: 7,745,280 km (0.12 R)
• M9: 8,199,908 km (0.095 R)
• M10: 8,712,281 km (0.107 R)
• M11: 9,671,353 km (0.056 R)
• M12: 11,120,956 km (0.095 R)
• M13: 11,997,450 km (0.107 R)
• M14: 12,814,703 km (0.088 R)
• M15: 14,109,772 km (0.072 R)
• M16: 16,397,423 km (0.108 R)
• M17: 21,547,180 km (0.036 R)
• M18: 23,688,673 km (0.109 R)
• M19: 29,748,584 km (0.118 R)
• M20: 31,149,269 km (0.108 R)
• M21: 32,398,261 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.1

Radius: 11.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.36 AU - 6.52 AU

Year: 8067 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,275,352 km

• M1: 145,559 km (0.063 R)
• M2: 643,570 km (0.119 R)
• M3: 1,027,289 km (0.03 R)
• M4: 2,435,902 km (0.089 R)
• M5: 3,740,545 km (0.097 R)
• M6: 5,198,376 km (0.111 R)
• M7: 5,574,465 km (0.103 R)
• M8: 9,471,340 km (0.114 R)
• M9: 10,241,321 km (0.032 R)
• M10: 13,744,753 km (0.098 R)
• M11: 22,087,976 km (0.116 R)
• M12: 25,228,484 km (0.044 R)
• M13: 26,077,452 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.2

Radius: 9.6

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.42 AU - 6.84 AU

Year: 8494 Days

Day: 12.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,275,352 km

• M1: 119,678 km (0.07 R)
• M2: 681,867 km (0.069 R)
• M3: 2,256,085 km (0.085 R)
• M4: 3,956,265 km (0.074 R)
• M5: 4,619,133 km (0.072 R)
• M6: 7,251,458 km (0.086 R)
• M7: 10,647,928 km (0.093 R)
• M8: 11,543,869 km (0.093 R)
• M9: 16,377,376 km (0.083 R)
• M10: 17,072,109 km (0.074 R)
• M11: 20,523,182 km (0.1 R)
• M12: 24,683,050 km (0.061 R)
• M13: 25,874,448 km (0.043 R)
• M14: 29,070,157 km (0.088 R)
• M15: 32,737,400 km (0.037 R)
• M16: 40,848,746 km (0.092 R)
• M17: 44,089,933 km (0.028 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.5

Radius: 4.4

Gravity: 36.13 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.79 AU - 12.87 AU

Year: 22661 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,275,352 km

• M1: 55,351 km (0.106 R)
• M2: 213,327 km (0.095 R)
• M3: 370,704 km (0.117 R)
• M4: 598,990 km (0.076 R)
• M5: 870,360 km (0.064 R)
• M6: 1,234,182 km (0.089 R)
• M7: 1,500,616 km (0.066 R)
• M8: 1,656,647 km (0.103 R)
• M9: 2,859,115 km (0.06 R)
• M10: 8,639,875 km (0.114 R)
• M11: 9,373,803 km (0.033 R)
• M12: 9,965,911 km (0.051 R)
• M13: 13,158,928 km (0.062 R)
• M14: 17,059,692 km (0.083 R)
• M15: 17,233,525 km (0.119 R)
• M16: 19,318,321 km (0.099 R)
• M17: 32,031,447 km (0.114 R)
• M18: 36,012,845 km (0.117 R)
• M19: 38,195,927 km (0.093 R)
• M20: 38,942,719 km (0.071 R)
• M21: 39,851,826 km (0.102 R)
• M22: 40,930,127 km (0.099 R)
• M23: 46,276,456 km (0.095 R)
• M24: 46,614,697 km (0.064 R)
• M25: 46,784,340 km (0.085 R)
• M26: 47,125,124 km (0.111 R)
• M27: 49,028,458 km (0.107 R)
• M28: 51,524,199 km (0.03 R)
• M29: 54,855,744 km (0.075 R)
• M30: 61,943,990 km (0.108 R)
• M31: 64,225,807 km (0.106 R)
• M32: 67,861,334 km (0.115 R)
• M33: 69,618,660 km (0.104 R)
• M34: 70,285,268 km (0.078 R)
• M35: 74,839,476 km (0.106 R)
• M36: 78,861,864 km (0.109 R)
• M37: 79,344,317 km (0.035 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: 263 - 16,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit