🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 10.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.55 AU - 0.65 AU

Year: 321 Days

Day: 10.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,635,557 km

• M1: 134,488 km (0.065 R)
• M2: 498,460 km (0.102 R)
• M3: 843,882 km (0.114 R)
• M4: 1,249,142 km (0.046 R)
• M5: 1,614,011 km (0.112 R)
• M6: 2,506,961 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.8

Radius: 14.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.65 AU - 1.03 AU

Year: 531 Days

Day: 5.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,635,557 km

• M1: 181,612 km (0.037 R)
• M2: 826,528 km (0.05 R)
• M3: 1,330,374 km (0.113 R)
• M4: 2,927,331 km (0.112 R)
• M5: 3,555,044 km (0.087 R)
• M6: 4,423,160 km (0.087 R)
• M7: 5,016,166 km (0.041 R)
• M8: 5,535,570 km (0.076 R)
• M9: 6,014,732 km (0.06 R)
• M10: 6,972,906 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364

Radius: 9.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.2 AU - 1.76 AU

Year: 1243 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,635,557 km

• M1: 120,576 km (0.076 R)
• M2: 424,858 km (0.105 R)
• M3: 828,024 km (0.108 R)
• M4: 1,237,174 km (0.102 R)
• M5: 2,061,758 km (0.036 R)
• M6: 2,542,416 km (0.047 R)
• M7: 3,109,691 km (0.099 R)
• M8: 3,850,350 km (0.077 R)
• M9: 4,721,758 km (0.111 R)
• M10: 5,213,785 km (0.102 R)
• M11: 5,984,364 km (0.056 R)
• M12: 6,517,231 km (0.108 R)
• M13: 8,489,230 km (0.092 R)
• M14: 9,469,695 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.9

Radius: 14.8

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.48 AU - 1.56 AU

Year: 1294 Days

Day: 14.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,635,557 km

• M1: 184,005 km (0.101 R)
• M2: 692,788 km (0.117 R)
• M3: 1,209,798 km (0.048 R)
• M4: 1,994,289 km (0.032 R)
• M5: 2,539,573 km (0.068 R)
• M6: 3,033,845 km (0.114 R)
• M7: 3,778,244 km (0.09 R)
• M8: 5,249,539 km (0.107 R)
• M9: 6,126,781 km (0.036 R)
• M10: 6,601,156 km (0.107 R)
• M11: 7,075,680 km (0.12 R)
• M12: 7,649,687 km (0.112 R)
• M13: 8,891,649 km (0.037 R)
• M14: 9,832,320 km (0.11 R)
• M15: 10,936,053 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.7

Radius: 11.4

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.32 AU - 2.08 AU

Year: 1530 Days

Day: 13 Hours

Environment

Temp: -195 °C

Axial Tilt: 92.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,635,557 km

• M1: 142,118 km (0.077 R)
• M2: 503,696 km (0.098 R)
• M3: 1,862,493 km (0.117 R)
• M4: 4,400,870 km (0.094 R)
• M5: 6,757,485 km (0.112 R)
• M6: 9,019,405 km (0.118 R)
• M7: 9,731,641 km (0.109 R)
• M8: 11,234,950 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.1

Radius: 14.1

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.07 AU - 4.79 AU

Year: 6436 Days

Day: 11.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,635,557 km

• M1: 180,265 km (0.042 R)
• M2: 733,628 km (0.069 R)
• M3: 1,401,882 km (0.09 R)
• M4: 1,966,763 km (0.068 R)
• M5: 2,815,582 km (0.093 R)
• M6: 3,689,532 km (0.078 R)
• M7: 4,884,969 km (0.096 R)
• M8: 5,947,563 km (0.111 R)
• M9: 6,967,521 km (0.105 R)
• M10: 8,101,173 km (0.115 R)
• M11: 8,823,432 km (0.096 R)
• M12: 16,181,852 km (0.118 R)
• M13: 17,623,976 km (0.111 R)
• M14: 19,402,245 km (0.105 R)
• M15: 23,170,317 km (0.118 R)
• M16: 23,745,820 km (0.089 R)
• M17: 25,605,770 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.5

Radius: 4.3

Gravity: 36.53 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.5 AU - 7.36 AU

Year: 12592 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,635,557 km

• M1: 53,556 km (0.116 R)
• M2: 222,901 km (0.107 R)
• M3: 366,964 km (0.052 R)
• M4: 765,642 km (0.081 R)
• M5: 1,196,783 km (0.094 R)
• M6: 1,465,910 km (0.044 R)
• M7: 1,693,298 km (0.062 R)
• M8: 2,891,727 km (0.037 R)
• M9: 4,756,016 km (0.052 R)
• M10: 7,084,955 km (0.088 R)
• M11: 7,645,498 km (0.069 R)
• M12: 8,004,832 km (0.111 R)
• M13: 8,660,520 km (0.117 R)
• M14: 9,001,603 km (0.113 R)
• M15: 13,108,813 km (0.092 R)
• M16: 14,555,723 km (0.091 R)
• M17: 15,317,775 km (0.107 R)
• M18: 18,392,161 km (0.097 R)
• M19: 19,281,969 km (0.119 R)
• M20: 20,627,003 km (0.093 R)
• M21: 20,885,957 km (0.053 R)
• M22: 23,408,476 km (0.116 R)
• M23: 23,690,319 km (0.082 R)
• M24: 25,428,496 km (0.062 R)
• M25: 27,771,050 km (0.085 R)
• M26: 29,921,519 km (0.057 R)
• M27: 30,253,327 km (0.076 R)
• M28: 31,491,249 km (0.033 R)
• M29: 32,296,236 km (0.112 R)
• M30: 37,161,607 km (0.071 R)
• M31: 41,663,007 km (0.11 R)
• M32: 41,938,566 km (0.085 R)
• M33: 46,071,955 km (0.085 R)
• M34: 47,407,864 km (0.106 R)
• M35: 49,691,476 km (0.097 R)
• M36: 50,156,725 km (0.115 R)
• M37: 52,047,194 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 18,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit