🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215

Radius: 15

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.39 AU - 2.41 AU

Year: 2401 Days

Day: 9.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,649,466 km

• M1: 186,549 km (0.107 R)
• M2: 695,630 km (0.044 R)
• M3: 1,178,981 km (0.076 R)
• M4: 1,889,571 km (0.108 R)
• M5: 2,592,681 km (0.059 R)
• M6: 3,590,798 km (0.111 R)
• M7: 4,188,292 km (0.118 R)
• M8: 6,228,956 km (0.113 R)
• M9: 7,745,729 km (0.093 R)
• M10: 8,691,786 km (0.08 R)
• M11: 9,283,595 km (0.067 R)
• M12: 11,711,419 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 13.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.27 AU - 2.73 AU

Year: 2552 Days

Day: 14.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,649,466 km

• M1: 171,140 km (0.095 R)
• M2: 763,847 km (0.099 R)
• M3: 1,626,578 km (0.108 R)
• M4: 2,197,742 km (0.086 R)
• M5: 3,135,721 km (0.053 R)
• M6: 3,787,968 km (0.042 R)
• M7: 4,426,601 km (0.119 R)
• M8: 4,935,383 km (0.113 R)
• M9: 5,412,601 km (0.117 R)
• M10: 5,895,652 km (0.112 R)
• M11: 6,513,491 km (0.067 R)
• M12: 7,848,802 km (0.075 R)
• M13: 8,694,628 km (0.111 R)
• M14: 9,635,000 km (0.103 R)
• M15: 10,753,993 km (0.073 R)
• M16: 12,823,380 km (0.075 R)
• M17: 14,449,210 km (0.066 R)
• M18: 15,193,459 km (0.109 R)
• M19: 16,357,480 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646

Radius: 11.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.56 AU - 3.22 AU

Year: 3172 Days

Day: 13.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,649,466 km

• M1: 146,606 km (0.099 R)
• M2: 514,168 km (0.094 R)
• M3: 911,949 km (0.12 R)
• M4: 1,290,730 km (0.091 R)
• M5: 1,836,314 km (0.079 R)
• M6: 2,273,289 km (0.115 R)
• M7: 2,844,005 km (0.114 R)
• M8: 4,062,629 km (0.062 R)
• M9: 4,493,471 km (0.045 R)
• M10: 5,246,697 km (0.059 R)
• M11: 5,654,052 km (0.114 R)
• M12: 6,914,264 km (0.105 R)
• M13: 7,531,206 km (0.05 R)
• M14: 8,184,350 km (0.105 R)
• M15: 9,679,281 km (0.116 R)
• M16: 10,254,934 km (0.052 R)
• M17: 11,348,794 km (0.074 R)
• M18: 12,120,120 km (0.103 R)
• M19: 13,959,426 km (0.04 R)
• M20: 15,047,003 km (0.1 R)
• M21: 16,190,080 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.7

Radius: 8.5

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.22 AU - 5.02 AU

Year: 6412 Days

Day: 5.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,649,466 km

• M1: 105,766 km (0.082 R)
• M2: 575,952 km (0.096 R)
• M3: 1,243,607 km (0.057 R)
• M4: 3,311,798 km (0.119 R)
• M5: 5,809,035 km (0.115 R)
• M6: 6,990,409 km (0.092 R)
• M7: 8,324,523 km (0.072 R)
• M8: 8,725,445 km (0.041 R)
• M9: 9,747,498 km (0.103 R)
• M10: 11,406,838 km (0.109 R)
• M11: 12,714,473 km (0.051 R)
• M12: 13,609,517 km (0.081 R)
• M13: 16,442,302 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.7

Radius: 11.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.55 AU - 6.35 AU

Year: 8215 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,649,466 km

• M1: 140,024 km (0.067 R)
• M2: 586,573 km (0.111 R)
• M3: 1,002,904 km (0.109 R)
• M4: 1,645,277 km (0.088 R)
• M5: 2,709,217 km (0.099 R)
• M6: 5,752,487 km (0.06 R)
• M7: 6,533,388 km (0.035 R)
• M8: 7,569,503 km (0.06 R)
• M9: 10,147,822 km (0.109 R)
• M10: 11,635,124 km (0.092 R)
• M11: 13,317,651 km (0.09 R)
• M12: 18,429,111 km (0.111 R)
• M13: 22,928,267 km (0.103 R)
• M14: 25,900,927 km (0.05 R)
• M15: 29,028,569 km (0.07 R)
• M16: 35,066,938 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.1

Radius: 7.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.83 AU - 8.33 AU

Year: 13475 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,649,466 km

• M1: 118,182 km (0.114 R)
• M2: 367,113 km (0.077 R)
• M3: 626,366 km (0.12 R)
• M4: 882,627 km (0.118 R)
• M5: 1,787,844 km (0.077 R)
• M6: 2,708,320 km (0.115 R)
• M7: 3,938,762 km (0.077 R)
• M8: 5,632,809 km (0.107 R)
• M9: 6,029,243 km (0.112 R)
• M10: 6,804,010 km (0.096 R)
• M11: 8,338,286 km (0.098 R)
• M12: 8,985,447 km (0.108 R)
• M13: 10,575,971 km (0.091 R)
• M14: 11,385,894 km (0.05 R)
• M15: 12,127,899 km (0.054 R)
• M16: 15,740,987 km (0.115 R)
• M17: 16,196,662 km (0.115 R)
• M18: 18,536,523 km (0.06 R)
• M19: 19,265,363 km (0.083 R)
• M20: 21,487,191 km (0.114 R)
• M21: 22,291,429 km (0.089 R)
• M22: 24,045,315 km (0.044 R)
• M23: 24,476,156 km (0.066 R)
• M24: 27,169,666 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 14,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit