🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 12.2

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.72 AU - 0.78 AU

Year: 419 Days

Day: 13.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,240,645 km

• M1: 151,692 km (0.032 R)
• M2: 647,310 km (0.098 R)
• M3: 1,027,737 km (0.078 R)
• M4: 1,525,001 km (0.101 R)
• M5: 2,121,747 km (0.111 R)
• M6: 2,596,421 km (0.098 R)
• M7: 3,502,535 km (0.04 R)
• M8: 4,407,303 km (0.091 R)
• M9: 4,861,781 km (0.111 R)
• M10: 5,347,525 km (0.115 R)
• M11: 5,762,809 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.1

Radius: 8.4

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.29 AU - 1.91 AU

Year: 1307 Days

Day: 5.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,240,645 km

• M1: 105,317 km (0.033 R)
• M2: 548,426 km (0.115 R)
• M3: 981,212 km (0.112 R)
• M4: 1,687,763 km (0.102 R)
• M5: 1,957,488 km (0.098 R)
• M6: 2,411,518 km (0.069 R)
• M7: 2,779,229 km (0.109 R)
• M8: 3,107,597 km (0.074 R)
• M9: 3,544,123 km (0.113 R)
• M10: 4,036,300 km (0.057 R)
• M11: 5,210,643 km (0.083 R)
• M12: 6,164,629 km (0.107 R)
• M13: 7,549,905 km (0.107 R)
• M14: 7,854,786 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.9

Radius: 11.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.27 AU - 1.95 AU

Year: 1319 Days

Day: 8 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,240,645 km

• M1: 141,220 km (0.114 R)
• M2: 560,693 km (0.068 R)
• M3: 1,036,863 km (0.065 R)
• M4: 1,464,862 km (0.101 R)
• M5: 1,849,628 km (0.079 R)
• M6: 2,770,403 km (0.089 R)
• M7: 3,448,081 km (0.057 R)
• M8: 3,899,717 km (0.065 R)
• M9: 4,569,018 km (0.03 R)
• M10: 6,156,850 km (0.117 R)
• M11: 6,781,720 km (0.111 R)
• M12: 7,334,185 km (0.09 R)
• M13: 7,703,542 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.4

Radius: 14.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.49 AU - 2.05 AU

Year: 1520 Days

Day: 7.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,240,645 km

• M1: 175,329 km (0.12 R)
• M2: 701,464 km (0.032 R)
• M3: 1,154,297 km (0.083 R)
• M4: 1,738,926 km (0.101 R)
• M5: 2,246,661 km (0.047 R)
• M6: 2,827,998 km (0.075 R)
• M7: 3,723,192 km (0.069 R)
• M8: 5,065,683 km (0.074 R)
• M9: 5,944,720 km (0.117 R)
• M10: 6,524,262 km (0.111 R)
• M11: 7,901,610 km (0.106 R)
• M12: 8,355,939 km (0.112 R)
• M13: 9,643,827 km (0.077 R)
• M14: 10,669,769 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.7

Radius: 12.3

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.21 AU - 3.27 AU

Year: 2928 Days

Day: 11.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,240,645 km

• M1: 153,338 km (0.096 R)
• M2: 1,045,689 km (0.117 R)
• M3: 1,478,625 km (0.104 R)
• M4: 2,991,359 km (0.075 R)
• M5: 3,437,011 km (0.08 R)
• M6: 3,946,691 km (0.115 R)
• M7: 5,071,817 km (0.051 R)
• M8: 6,047,943 km (0.114 R)
• M9: 7,979,850 km (0.116 R)
• M10: 8,470,979 km (0.083 R)
• M11: 8,912,892 km (0.096 R)
• M12: 11,075,329 km (0.119 R)
• M13: 11,896,322 km (0.066 R)
• M14: 14,173,501 km (0.1 R)
• M15: 17,974,184 km (0.037 R)
• M16: 18,591,874 km (0.117 R)
• M17: 19,049,942 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.8

Radius: 9.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.15 AU - 3.59 AU

Year: 3139 Days

Day: 8.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,240,645 km

• M1: 114,442 km (0.112 R)
• M2: 511,326 km (0.094 R)
• M3: 815,757 km (0.103 R)
• M4: 2,964,581 km (0.048 R)
• M5: 5,614,558 km (0.115 R)
• M6: 7,126,843 km (0.101 R)
• M7: 7,659,261 km (0.082 R)
• M8: 8,654,536 km (0.056 R)
• M9: 10,189,560 km (0.1 R)
• M10: 12,609,754 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 12.9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.37 AU - 3.87 AU

Year: 4447 Days

Day: 5.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,240,645 km

• M1: 160,369 km (0.038 R)
• M2: 990,488 km (0.08 R)
• M3: 1,638,097 km (0.085 R)
• M4: 2,295,579 km (0.091 R)
• M5: 3,410,532 km (0.067 R)
• M6: 4,446,348 km (0.111 R)
• M7: 5,074,210 km (0.09 R)
• M8: 5,655,248 km (0.078 R)
• M9: 7,133,874 km (0.088 R)
• M10: 7,636,971 km (0.095 R)
• M11: 8,785,285 km (0.097 R)
• M12: 10,201,528 km (0.031 R)
• M13: 12,290,213 km (0.115 R)
• M14: 12,694,576 km (0.047 R)
• M15: 16,418,366 km (0.077 R)
• M16: 18,794,130 km (0.107 R)
• M17: 22,042,498 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 11,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit