🌌 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: 630.3

Radius: 9.3

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.66 AU - 0.84 AU

Year: 441 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,747,012 km

• M1: 116,537 km (0.059 R)
• M2: 453,730 km (0.065 R)
• M3: 769,980 km (0.112 R)
• M4: 1,116,599 km (0.062 R)
• M5: 1,791,883 km (0.116 R)
• M6: 3,212,465 km (0.089 R)
• M7: 3,505,976 km (0.098 R)
• M8: 3,868,900 km (0.085 R)
• M9: 4,655,935 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236

Radius: 8.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.97 AU - 1.55 AU

Year: 959 Days

Day: 13.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,747,012 km

• M1: 105,167 km (0.1 R)
• M2: 407,056 km (0.092 R)
• M3: 691,441 km (0.045 R)
• M4: 961,316 km (0.117 R)
• M5: 1,514,828 km (0.098 R)
• M6: 2,027,201 km (0.112 R)
• M7: 2,314,728 km (0.084 R)
• M8: 3,818,486 km (0.089 R)
• M9: 4,864,175 km (0.029 R)
• M10: 5,349,321 km (0.047 R)
• M11: 6,673,711 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 14.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.34 AU - 1.44 AU

Year: 1112 Days

Day: 14.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,747,012 km

• M1: 182,809 km (0.102 R)
• M2: 819,497 km (0.118 R)
• M3: 1,369,718 km (0.095 R)
• M4: 1,921,734 km (0.092 R)
• M5: 2,774,891 km (0.099 R)
• M6: 3,282,925 km (0.107 R)
• M7: 4,785,935 km (0.099 R)
• M8: 6,311,833 km (0.103 R)
• M9: 7,250,111 km (0.116 R)
• M10: 8,418,471 km (0.067 R)
• M11: 9,525,495 km (0.088 R)
• M12: 9,988,351 km (0.073 R)
• M13: 11,851,592 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.6

Radius: 12.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.31 AU - 2.13 AU

Year: 1530 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 115.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,747,012 km

• M1: 150,795 km (0.116 R)
• M2: 585,676 km (0.12 R)
• M3: 980,614 km (0.113 R)
• M4: 1,780,514 km (0.032 R)
• M5: 2,219,434 km (0.086 R)
• M6: 2,964,581 km (0.102 R)
• M7: 3,779,441 km (0.095 R)
• M8: 4,843,979 km (0.112 R)
• M9: 5,495,029 km (0.108 R)
• M10: 5,872,464 km (0.118 R)
• M11: 8,255,858 km (0.113 R)
• M12: 8,859,485 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.6

Radius: 9.4

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.54 AU - 3.56 AU

Year: 3613 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 17,747,012 km

• M1: 117,135 km (0.082 R)
• M2: 428,598 km (0.059 R)
• M3: 950,844 km (0.073 R)
• M4: 1,338,303 km (0.058 R)
• M5: 1,784,852 km (0.091 R)
• M6: 2,144,485 km (0.071 R)
• M7: 2,915,812 km (0.071 R)
• M8: 3,525,723 km (0.034 R)
• M9: 3,861,420 km (0.113 R)
• M10: 4,239,005 km (0.12 R)
• M11: 4,817,799 km (0.085 R)
• M12: 5,185,212 km (0.053 R)
• M13: 6,002,166 km (0.106 R)
• M14: 6,373,767 km (0.089 R)
• M15: 7,340,618 km (0.108 R)
• M16: 8,272,313 km (0.097 R)
• M17: 8,632,994 km (0.107 R)
• M18: 9,598,947 km (0.046 R)
• M19: 10,331,678 km (0.114 R)
• M20: 13,060,044 km (0.058 R)
• M21: 13,959,725 km (0.08 R)
• M22: 14,471,799 km (0.051 R)
• M23: 15,484,128 km (0.096 R)
• M24: 17,434,884 km (0.08 R)
• M25: 18,748,353 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.1

Radius: 8.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.92 AU - 6.1 AU

Year: 8772 Days

Day: 15 Hours

Environment

Temp: -229 °C

Axial Tilt: 170.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 17,747,012 km

• M1: 113,096 km (0.081 R)
• M2: 416,630 km (0.06 R)
• M3: 1,072,018 km (0.119 R)
• M4: 1,447,359 km (0.119 R)
• M5: 1,909,318 km (0.107 R)
• M6: 2,670,023 km (0.094 R)
• M7: 3,388,841 km (0.096 R)
• M8: 4,136,232 km (0.101 R)
• M9: 5,124,176 km (0.079 R)
• M10: 6,168,818 km (0.065 R)
• M11: 6,708,717 km (0.095 R)
• M12: 8,328,413 km (0.101 R)
• M13: 8,712,430 km (0.11 R)
• M14: 9,640,685 km (0.059 R)
• M15: 12,125,805 km (0.083 R)
• M16: 13,912,752 km (0.099 R)
• M17: 14,785,356 km (0.111 R)
• M18: 16,459,506 km (0.058 R)
• M19: 16,820,934 km (0.102 R)
• M20: 17,874,253 km (0.105 R)
• M21: 21,583,083 km (0.066 R)
• M22: 27,594,075 km (0.082 R)
• M23: 28,276,242 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.5

Radius: 5.6

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.06 AU - 7.78 AU

Year: 13709 Days

Day: 21.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 17,747,012 km

• M1: 69,713 km (0.037 R)
• M2: 302,038 km (0.038 R)
• M3: 591,211 km (0.099 R)
• M4: 1,288,038 km (0.113 R)
• M5: 1,616,854 km (0.086 R)
• M6: 5,244,752 km (0.045 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 11,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit