🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.3

Radius: 8.3

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.48 AU - 0.7 AU

Year: 313 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,828,065 km

• M1: 103,223 km (0.091 R)
• M2: 495,618 km (0.044 R)
• M3: 755,619 km (0.116 R)
• M4: 1,033,422 km (0.101 R)
• M5: 1,317,508 km (0.114 R)
• M6: 1,825,842 km (0.043 R)
• M7: 2,157,949 km (0.053 R)
• M8: 2,416,006 km (0.1 R)
• M9: 2,846,847 km (0.115 R)
• M10: 3,306,711 km (0.071 R)
• M11: 3,744,435 km (0.065 R)
• M12: 4,057,393 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 8.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.27 AU - 1.77 AU

Year: 1294 Days

Day: 7.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,828,065 km

• M1: 107,112 km (0.081 R)
• M2: 379,979 km (0.07 R)
• M3: 853,605 km (0.113 R)
• M4: 1,316,910 km (0.079 R)
• M5: 2,126,683 km (0.101 R)
• M6: 2,428,273 km (0.097 R)
• M7: 3,046,411 km (0.097 R)
• M8: 4,552,413 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.4

Radius: 8.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.72 AU - 2.12 AU

Year: 1836 Days

Day: 9.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,828,065 km

• M1: 109,655 km (0.083 R)
• M2: 439,818 km (0.072 R)
• M3: 806,183 km (0.111 R)
• M4: 2,042,310 km (0.095 R)
• M5: 2,713,855 km (0.105 R)
• M6: 4,004,137 km (0.099 R)
• M7: 8,913,640 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.9

Radius: 13.7

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.9 AU - 2.64 AU

Year: 2361 Days

Day: 8.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,828,065 km

• M1: 170,990 km (0.1 R)
• M2: 752,776 km (0.117 R)
• M3: 1,395,299 km (0.102 R)
• M4: 2,126,534 km (0.076 R)
• M5: 3,253,155 km (0.091 R)
• M6: 4,679,870 km (0.088 R)
• M7: 5,388,067 km (0.081 R)
• M8: 6,593,825 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.4

Radius: 5.5

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.55 AU - 7.65 AU

Year: 13059 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,828,065 km

• M1: 69,713 km (0.067 R)
• M2: 709,842 km (0.062 R)
• M3: 1,210,696 km (0.105 R)
• M4: 1,499,719 km (0.102 R)
• M5: 1,708,258 km (0.12 R)
• M6: 2,120,251 km (0.104 R)
• M7: 2,506,213 km (0.115 R)
• M8: 3,058,080 km (0.055 R)
• M9: 4,045,126 km (0.087 R)
• M10: 4,451,883 km (0.086 R)
• M11: 4,998,065 km (0.093 R)
• M12: 5,257,916 km (0.045 R)
• M13: 6,190,061 km (0.071 R)
• M14: 8,537,850 km (0.1 R)
• M15: 9,421,973 km (0.101 R)
• M16: 11,174,512 km (0.059 R)
• M17: 11,619,416 km (0.097 R)
• M18: 13,133,347 km (0.064 R)
• M19: 13,796,664 km (0.113 R)
• M20: 14,892,019 km (0.063 R)
• M21: 16,231,519 km (0.083 R)
• M22: 17,451,190 km (0.026 R)
• M23: 17,782,100 km (0.119 R)
• M24: 18,184,668 km (0.096 R)
• M25: 18,869,079 km (0.062 R)
• M26: 19,855,976 km (0.091 R)
• M27: 22,317,459 km (0.068 R)
• M28: 26,336,256 km (0.114 R)
• M29: 28,836,486 km (0.118 R)
• M30: 30,908,416 km (0.108 R)
• M31: 31,198,486 km (0.077 R)
• M32: 34,717,627 km (0.057 R)
• M33: 34,926,316 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.2

Radius: 5.6

Gravity: 27.81 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.48 AU - 8.58 AU

Year: 14263 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,828,065 km

• M1: 69,713 km (0.073 R)
• M2: 479,312 km (0.111 R)
• M3: 779,405 km (0.108 R)
• M4: 1,321,248 km (0.091 R)
• M5: 1,972,298 km (0.107 R)
• M6: 2,224,371 km (0.049 R)
• M7: 2,564,108 km (0.066 R)
• M8: 2,864,949 km (0.045 R)
• M9: 3,267,217 km (0.104 R)
• M10: 4,278,200 km (0.113 R)
• M11: 5,825,341 km (0.096 R)
• M12: 6,940,593 km (0.099 R)
• M13: 8,240,300 km (0.118 R)
• M14: 11,069,943 km (0.091 R)
• M15: 14,061,452 km (0.1 R)
• M16: 16,047,064 km (0.101 R)
• M17: 18,128,569 km (0.03 R)
• M18: 18,803,555 km (0.092 R)
• M19: 19,061,013 km (0.085 R)
• M20: 20,203,641 km (0.092 R)
• M21: 27,369,978 km (0.057 R)
• M22: 28,935,968 km (0.094 R)
• M23: 30,797,863 km (0.104 R)
• M24: 31,516,083 km (0.086 R)
• M25: 32,614,430 km (0.115 R)
• M26: 34,629,514 km (0.071 R)
• M27: 35,667,573 km (0.084 R)
• M28: 37,533,657 km (0.085 R)
• M29: 38,353,005 km (0.117 R)
• M30: 42,777,212 km (0.111 R)
• M31: 43,073,865 km (0.115 R)
• M32: 43,821,255 km (0.112 R)
• M33: 44,882,204 km (0.053 R)
• M34: 45,496,004 km (0.091 R)
• M35: 47,212,938 km (0.071 R)
• M36: 48,649,527 km (0.084 R)
• M37: 49,134,822 km (0.107 R)
• M38: 49,950,729 km (0.085 R)
• M39: 51,442,070 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 12,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit