🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.3

Radius: 8.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.76 AU - 0.9 AU

Year: 481 Days

Day: 7.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,325,503 km

• M1: 104,419 km (0.088 R)
• M2: 369,357 km (0.068 R)
• M3: 830,567 km (0.06 R)
• M4: 1,847,833 km (0.065 R)
• M5: 2,301,264 km (0.086 R)
• M6: 2,573,682 km (0.104 R)
• M7: 3,887,899 km (0.071 R)
• M8: 4,236,761 km (0.064 R)
• M9: 4,864,773 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.8

Radius: 12.5

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.31 AU - 1.65 AU

Year: 1145 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,325,503 km

• M1: 155,432 km (0.05 R)
• M2: 644,468 km (0.067 R)
• M3: 1,041,351 km (0.036 R)
• M4: 1,441,824 km (0.098 R)
• M5: 1,868,627 km (0.116 R)
• M6: 2,300,366 km (0.094 R)
• M7: 7,318,328 km (0.107 R)
• M8: 8,159,068 km (0.117 R)
• M9: 9,359,292 km (0.059 R)
• M10: 9,939,432 km (0.114 R)
• M11: 10,673,658 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.4

Radius: 12.7

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.36 AU - 2.9 AU

Year: 2712 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,325,503 km

• M1: 162,014 km (0.07 R)
• M2: 2,145,682 km (0.1 R)
• M3: 2,933,016 km (0.101 R)
• M4: 3,659,613 km (0.036 R)
• M5: 4,709,191 km (0.112 R)
• M6: 5,387,767 km (0.071 R)
• M7: 7,875,281 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.5

Radius: 8.6

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.83 AU - 3.71 AU

Year: 3760 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,325,503 km

• M1: 107,112 km (0.119 R)
• M2: 435,330 km (0.067 R)
• M3: 786,137 km (0.103 R)
• M4: 1,162,375 km (0.102 R)
• M5: 1,433,596 km (0.084 R)
• M6: 1,854,565 km (0.109 R)
• M7: 3,116,273 km (0.101 R)
• M8: 4,460,859 km (0.041 R)
• M9: 6,239,578 km (0.075 R)
• M10: 6,697,945 km (0.027 R)
• M11: 8,208,734 km (0.111 R)
• M12: 9,934,495 km (0.118 R)
• M13: 11,004,868 km (0.06 R)
• M14: 12,150,489 km (0.053 R)
• M15: 12,504,587 km (0.063 R)
• M16: 12,865,716 km (0.097 R)
• M17: 13,751,186 km (0.088 R)
• M18: 14,087,482 km (0.066 R)
• M19: 14,577,415 km (0.106 R)
• M20: 17,033,812 km (0.117 R)
• M21: 18,043,448 km (0.106 R)
• M22: 20,181,800 km (0.109 R)
• M23: 21,057,247 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.8

Radius: 14.1

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.9 AU - 4.02 AU

Year: 4092 Days

Day: 12.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,325,503 km

• M1: 175,329 km (0.067 R)
• M2: 713,731 km (0.034 R)
• M3: 1,175,690 km (0.093 R)
• M4: 1,624,483 km (0.097 R)
• M5: 2,190,711 km (0.079 R)
• M6: 3,479,646 km (0.069 R)
• M7: 8,031,910 km (0.046 R)
• M8: 9,451,444 km (0.12 R)
• M9: 11,396,216 km (0.094 R)
• M10: 14,014,329 km (0.119 R)
• M11: 15,891,483 km (0.083 R)
• M12: 17,931,100 km (0.099 R)
• M13: 18,627,029 km (0.05 R)
• M14: 20,822,976 km (0.111 R)
• M15: 21,876,295 km (0.117 R)
• M16: 23,785,613 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.6

Radius: 12.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.4 AU - 4.54 AU

Year: 5029 Days

Day: 13.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,325,503 km

• M1: 172,786 km (0.08 R)
• M2: 697,425 km (0.078 R)
• M3: 1,269,936 km (0.106 R)
• M4: 2,073,426 km (0.062 R)
• M5: 2,598,216 km (0.102 R)
• M6: 3,133,776 km (0.062 R)
• M7: 3,939,810 km (0.09 R)
• M8: 5,305,638 km (0.108 R)
• M9: 5,962,373 km (0.061 R)
• M10: 7,612,587 km (0.051 R)
• M11: 8,449,138 km (0.1 R)
• M12: 9,305,586 km (0.087 R)
• M13: 12,813,955 km (0.077 R)
• M14: 13,891,658 km (0.108 R)
• M15: 20,750,571 km (0.107 R)
• M16: 24,631,289 km (0.047 R)
• M17: 25,652,295 km (0.1 R)
• M18: 26,294,519 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.8

Radius: 9.7

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.33 AU - 6.03 AU

Year: 8607 Days

Day: 14.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,325,503 km

• M1: 128,804 km (0.041 R)
• M2: 892,800 km (0.06 R)
• M3: 2,036,775 km (0.082 R)
• M4: 2,608,239 km (0.12 R)
• M5: 2,932,268 km (0.079 R)
• M6: 3,493,110 km (0.072 R)
• M7: 4,424,806 km (0.12 R)
• M8: 5,449,102 km (0.099 R)
• M9: 5,778,517 km (0.099 R)
• M10: 7,835,787 km (0.114 R)
• M11: 10,439,687 km (0.084 R)
• M12: 14,805,252 km (0.096 R)
• M13: 19,102,900 km (0.09 R)
• M14: 20,649,742 km (0.111 R)
• M15: 27,675,905 km (0.089 R)
• M16: 33,335,941 km (0.099 R)
• M17: 36,377,714 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.7

Radius: 3.1

Gravity: 86.34 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.34 AU - 9.66 AU

Year: 18617 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,325,503 km

• M1: 43,832 km (0.047 R)
• M2: 861,534 km (0.105 R)
• M3: 1,093,710 km (0.061 R)
• M4: 2,296,776 km (0.088 R)
• M5: 3,796,794 km (0.099 R)
• M6: 4,114,241 km (0.112 R)
• M7: 4,801,792 km (0.105 R)
• M8: 6,400,246 km (0.091 R)
• M9: 11,873,583 km (0.08 R)
• M10: 12,967,443 km (0.109 R)
• M11: 16,400,863 km (0.083 R)
• M12: 17,238,312 km (0.094 R)
• M13: 19,272,095 km (0.083 R)
• M14: 20,298,935 km (0.097 R)
• M15: 20,585,116 km (0.076 R)
• M16: 28,288,957 km (0.085 R)
• M17: 30,104,477 km (0.03 R)
• M18: 30,852,018 km (0.116 R)
• M19: 33,036,745 km (0.084 R)
• M20: 40,808,504 km (0.098 R)
• M21: 41,723,445 km (0.105 R)
• M22: 43,436,340 km (0.096 R)
• M23: 45,520,388 km (0.075 R)
• M24: 46,669,749 km (0.041 R)
• M25: 47,168,209 km (0.076 R)
• M26: 47,335,010 km (0.102 R)
• M27: 47,502,410 km (0.073 R)
• M28: 54,707,343 km (0.086 R)
• M29: 60,811,684 km (0.053 R)
• M30: 68,417,090 km (0.078 R)
• M31: 74,124,698 km (0.097 R)
• M32: 75,713,876 km (0.096 R)
• M33: 76,862,638 km (0.08 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 16,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit