🌌 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: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.2

Radius: 11.3

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.83 AU - 0.85 AU

Year: 541 Days

Day: 6.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,158,509 km

• M1: 142,268 km (0.063 R)
• M2: 590,762 km (0.056 R)
• M3: 1,099,694 km (0.074 R)
• M4: 2,048,892 km (0.116 R)
• M5: 2,443,980 km (0.106 R)
• M6: 2,800,921 km (0.106 R)
• M7: 3,415,469 km (0.091 R)
• M8: 4,234,218 km (0.107 R)
• M9: 4,674,634 km (0.116 R)
• M10: 6,355,815 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891

Radius: 10

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.25 AU - 1.59 AU

Year: 1189 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,158,509 km

• M1: 124,316 km (0.107 R)
• M2: 497,712 km (0.092 R)
• M3: 902,524 km (0.088 R)
• M4: 1,336,059 km (0.071 R)
• M5: 2,064,750 km (0.059 R)
• M6: 2,457,145 km (0.04 R)
• M7: 2,817,377 km (0.091 R)
• M8: 3,409,186 km (0.071 R)
• M9: 4,276,704 km (0.105 R)
• M10: 5,140,482 km (0.057 R)
• M11: 5,603,188 km (0.067 R)
• M12: 6,396,655 km (0.116 R)
• M13: 6,833,032 km (0.075 R)
• M14: 7,471,965 km (0.06 R)
• M15: 7,928,837 km (0.088 R)
• M16: 9,913,552 km (0.064 R)
• M17: 11,106,894 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.1

Radius: 8.3

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.02 AU - 2.52 AU

Year: 2404 Days

Day: 9.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,158,509 km

• M1: 103,223 km (0.062 R)
• M2: 381,624 km (0.09 R)
• M3: 723,455 km (0.074 R)
• M4: 1,138,889 km (0.062 R)
• M5: 1,457,083 km (0.106 R)
• M6: 1,797,718 km (0.096 R)
• M7: 2,191,010 km (0.087 R)
• M8: 2,738,239 km (0.057 R)
• M9: 3,151,429 km (0.114 R)
• M10: 3,444,940 km (0.071 R)
• M11: 4,843,081 km (0.032 R)
• M12: 5,528,240 km (0.099 R)
• M13: 6,019,968 km (0.076 R)
• M14: 6,630,028 km (0.078 R)
• M15: 6,996,842 km (0.088 R)
• M16: 9,093,456 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170

Radius: 7.8

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.62 AU - 9.36 AU

Year: 17389 Days

Day: 19.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,158,509 km

• M1: 97,687 km (0.063 R)
• M2: 511,176 km (0.082 R)
• M3: 896,690 km (0.084 R)
• M4: 1,342,342 km (0.049 R)
• M5: 1,928,616 km (0.078 R)
• M6: 2,210,309 km (0.101 R)
• M7: 2,920,450 km (0.113 R)
• M8: 3,225,779 km (0.116 R)
• M9: 4,551,814 km (0.114 R)
• M10: 5,210,195 km (0.094 R)
• M11: 5,761,014 km (0.114 R)
• M12: 8,842,581 km (0.073 R)
• M13: 9,913,402 km (0.077 R)
• M14: 11,330,543 km (0.081 R)
• M15: 15,261,077 km (0.064 R)
• M16: 17,283,491 km (0.085 R)
• M17: 20,093,238 km (0.102 R)
• M18: 23,710,963 km (0.119 R)
• M19: 26,226,152 km (0.081 R)
• M20: 27,165,926 km (0.027 R)
• M21: 28,127,990 km (0.11 R)
• M22: 33,172,729 km (0.036 R)
• M23: 34,049,971 km (0.049 R)
• M24: 35,054,970 km (0.061 R)
• M25: 36,079,715 km (0.06 R)
• M26: 40,752,106 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.2

Radius: 8

Gravity: 13.55 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.6 AU - 9.42 AU

Year: 17450 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,158,509 km

• M1: 99,483 km (0.073 R)
• M2: 877,092 km (0.104 R)
• M3: 1,449,454 km (0.101 R)
• M4: 1,930,112 km (0.069 R)
• M5: 2,313,980 km (0.118 R)
• M6: 3,572,397 km (0.05 R)
• M7: 4,057,693 km (0.109 R)
• M8: 5,159,930 km (0.065 R)
• M9: 6,939,247 km (0.027 R)
• M10: 7,216,452 km (0.112 R)
• M11: 8,092,946 km (0.118 R)
• M12: 8,984,250 km (0.057 R)
• M13: 9,823,643 km (0.111 R)
• M14: 10,232,943 km (0.027 R)
• M15: 11,593,237 km (0.032 R)
• M16: 13,854,109 km (0.066 R)
• M17: 14,820,212 km (0.1 R)
• M18: 17,901,779 km (0.042 R)
• M19: 20,240,592 km (0.066 R)
• M20: 20,999,352 km (0.105 R)
• M21: 23,286,405 km (0.084 R)
• M22: 23,909,330 km (0.078 R)
• M23: 26,400,434 km (0.109 R)
• M24: 28,231,961 km (0.059 R)
• M25: 29,539,446 km (0.079 R)
• M26: 32,789,160 km (0.095 R)
• M27: 33,440,360 km (0.096 R)
• M28: 33,703,203 km (0.098 R)
• M29: 39,841,354 km (0.119 R)
• M30: 46,684,858 km (0.101 R)
• M31: 47,013,375 km (0.052 R)
• M32: 50,211,029 km (0.095 R)
• M33: 55,734,632 km (0.111 R)
• M34: 62,442,301 km (0.062 R)
• M35: 63,041,141 km (0.049 R)
• M36: 66,506,875 km (0.062 R)
• M37: 72,708,754 km (0.061 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 19,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit