🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.8

Radius: 12.1

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.73 AU - 0.99 AU

Year: 507 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,186,694 km

• M1: 150,495 km (0.092 R)
• M2: 601,683 km (0.064 R)
• M3: 1,129,614 km (0.043 R)
• M4: 1,747,154 km (0.087 R)
• M5: 2,204,624 km (0.116 R)
• M6: 2,687,825 km (0.118 R)
• M7: 3,168,184 km (0.057 R)
• M8: 3,939,959 km (0.061 R)
• M9: 4,547,476 km (0.104 R)
• M10: 5,014,221 km (0.114 R)
• M11: 5,566,238 km (0.079 R)
• M12: 6,158,496 km (0.041 R)
• M13: 6,854,126 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.4

Radius: 14.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.11 AU - 1.29 AU

Year: 836 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,186,694 km

• M1: 176,525 km (0.065 R)
• M2: 819,647 km (0.1 R)
• M3: 1,366,277 km (0.065 R)
• M4: 2,637,560 km (0.083 R)
• M5: 3,123,604 km (0.097 R)
• M6: 3,875,782 km (0.071 R)
• M7: 4,360,329 km (0.094 R)
• M8: 5,045,936 km (0.112 R)
• M9: 5,862,292 km (0.063 R)
• M10: 6,397,553 km (0.042 R)
• M11: 7,448,478 km (0.096 R)
• M12: 7,953,969 km (0.09 R)
• M13: 8,585,571 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.3

Radius: 14.7

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.33 AU - 1.59 AU

Year: 1122 Days

Day: 10 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,186,694 km

• M1: 182,809 km (0.082 R)
• M2: 690,693 km (0.062 R)
• M3: 1,349,223 km (0.115 R)
• M4: 1,844,542 km (0.071 R)
• M5: 2,408,975 km (0.103 R)
• M6: 3,077,827 km (0.084 R)
• M7: 4,492,274 km (0.092 R)
• M8: 5,275,419 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.7

Radius: 9.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.43 AU - 1.93 AU

Year: 1385 Days

Day: 10.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,186,694 km

• M1: 120,576 km (0.064 R)
• M2: 434,133 km (0.101 R)
• M3: 802,293 km (0.051 R)
• M4: 1,367,773 km (0.068 R)
• M5: 1,886,728 km (0.115 R)
• M6: 2,804,062 km (0.105 R)
• M7: 3,977,807 km (0.102 R)
• M8: 4,312,458 km (0.118 R)
• M9: 4,981,759 km (0.111 R)
• M10: 5,391,657 km (0.117 R)
• M11: 6,124,686 km (0.101 R)
• M12: 6,595,471 km (0.115 R)
• M13: 7,408,835 km (0.068 R)
• M14: 9,034,066 km (0.058 R)
• M15: 9,704,414 km (0.065 R)
• M16: 10,190,158 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.1

Radius: 12.6

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.06 AU - 2.38 AU

Year: 2103 Days

Day: 5.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,186,694 km

• M1: 156,629 km (0.115 R)
• M2: 907,760 km (0.077 R)
• M3: 1,780,065 km (0.116 R)
• M4: 2,449,665 km (0.097 R)
• M5: 2,965,030 km (0.111 R)
• M6: 3,874,136 km (0.112 R)
• M7: 6,292,984 km (0.1 R)
• M8: 7,410,181 km (0.115 R)
• M9: 7,940,805 km (0.047 R)
• M10: 8,433,580 km (0.079 R)
• M11: 9,617,348 km (0.049 R)
• M12: 11,097,320 km (0.062 R)
• M13: 11,635,872 km (0.114 R)
• M14: 12,111,444 km (0.059 R)
• M15: 12,682,459 km (0.11 R)
• M16: 13,357,145 km (0.099 R)
• M17: 13,966,906 km (0.116 R)
• M18: 15,009,154 km (0.087 R)
• M19: 15,860,366 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386

Radius: 14.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.36 AU - 2.7 AU

Year: 2559 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,186,694 km

• M1: 185,352 km (0.094 R)
• M2: 766,539 km (0.057 R)
• M3: 1,386,323 km (0.103 R)
• M4: 2,028,398 km (0.113 R)
• M5: 3,182,545 km (0.077 R)
• M6: 3,729,026 km (0.084 R)
• M7: 5,829,231 km (0.107 R)
• M8: 8,229,379 km (0.062 R)
• M9: 8,912,443 km (0.071 R)
• M10: 13,410,402 km (0.111 R)
• M11: 15,074,529 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.4

Radius: 7.5

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.57 AU - 10.83 AU

Year: 16316 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,186,694 km

• M1: 93,349 km (0.092 R)
• M2: 730,337 km (0.077 R)
• M3: 1,315,264 km (0.118 R)
• M4: 1,663,229 km (0.117 R)
• M5: 2,179,641 km (0.049 R)
• M6: 3,293,547 km (0.079 R)
• M7: 4,254,863 km (0.03 R)
• M8: 5,689,805 km (0.116 R)
• M9: 14,166,619 km (0.118 R)
• M10: 14,506,057 km (0.063 R)
• M11: 15,438,201 km (0.082 R)
• M12: 16,224,487 km (0.062 R)
• M13: 17,550,523 km (0.082 R)
• M14: 21,960,668 km (0.114 R)
• M15: 25,778,855 km (0.103 R)
• M16: 30,955,390 km (0.114 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: 264 - 14,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit