🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.2

Radius: 12.7

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.59 AU - 0.75 AU

Year: 366 Days

Day: 11.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,109,334 km

• M1: 157,975 km (0.077 R)
• M2: 811,120 km (0.079 R)
• M3: 1,491,341 km (0.07 R)
• M4: 1,929,663 km (0.116 R)
• M5: 2,706,824 km (0.092 R)
• M6: 3,107,447 km (0.079 R)
• M7: 3,535,895 km (0.075 R)
• M8: 4,513,368 km (0.092 R)
• M9: 5,019,457 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.4

Radius: 12.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.09 AU - 1.17 AU

Year: 801 Days

Day: 13.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,109,334 km

• M1: 155,582 km (0.114 R)
• M2: 645,515 km (0.106 R)
• M3: 1,078,900 km (0.093 R)
• M4: 1,568,683 km (0.112 R)
• M5: 1,992,494 km (0.077 R)
• M6: 2,858,815 km (0.073 R)
• M7: 3,636,724 km (0.033 R)
• M8: 4,137,877 km (0.054 R)
• M9: 4,521,596 km (0.097 R)
• M10: 5,166,362 km (0.049 R)
• M11: 5,924,375 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 9

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.65 AU - 3.31 AU

Year: 3430 Days

Day: 8.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 20,109,334 km

• M1: 112,049 km (0.082 R)
• M2: 550,670 km (0.101 R)
• M3: 863,030 km (0.114 R)
• M4: 1,158,037 km (0.088 R)
• M5: 1,609,823 km (0.087 R)
• M6: 2,175,901 km (0.047 R)
• M7: 2,886,042 km (0.104 R)
• M8: 3,524,077 km (0.099 R)
• M9: 3,971,225 km (0.114 R)
• M10: 4,275,208 km (0.049 R)
• M11: 5,517,020 km (0.115 R)
• M12: 5,813,672 km (0.075 R)
• M13: 6,738,187 km (0.093 R)
• M14: 8,444,949 km (0.078 R)
• M15: 9,360,638 km (0.098 R)
• M16: 10,020,065 km (0.074 R)
• M17: 10,586,144 km (0.08 R)
• M18: 10,877,112 km (0.111 R)
• M19: 13,400,828 km (0.099 R)
• M20: 16,346,111 km (0.102 R)
• M21: 17,416,782 km (0.073 R)
• M22: 18,653,807 km (0.116 R)
• M23: 19,201,485 km (0.106 R)
• M24: 20,392,883 km (0.057 R)
• M25: 22,373,409 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.5

Radius: 14.4

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.02 AU - 3.7 AU

Year: 4107 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,109,334 km

• M1: 179,218 km (0.12 R)
• M2: 646,263 km (0.086 R)
• M3: 1,280,857 km (0.116 R)
• M4: 2,547,353 km (0.098 R)
• M5: 3,188,679 km (0.098 R)
• M6: 3,724,987 km (0.038 R)
• M7: 4,577,545 km (0.098 R)
• M8: 5,311,772 km (0.085 R)
• M9: 6,587,542 km (0.111 R)
• M10: 7,525,521 km (0.111 R)
• M11: 8,450,784 km (0.045 R)
• M12: 8,923,962 km (0.088 R)
• M13: 9,558,406 km (0.112 R)
• M14: 12,489,178 km (0.076 R)
• M15: 14,065,491 km (0.066 R)
• M16: 14,975,046 km (0.036 R)
• M17: 16,076,834 km (0.085 R)
• M18: 17,720,167 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.7

Radius: 11.1

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.35 AU - 5.51 AU

Year: 6218 Days

Day: 5.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,109,334 km

• M1: 138,079 km (0.076 R)
• M2: 528,529 km (0.065 R)
• M3: 1,455,737 km (0.114 R)
• M4: 2,641,599 km (0.096 R)
• M5: 3,641,511 km (0.092 R)
• M6: 4,050,811 km (0.073 R)
• M7: 4,490,928 km (0.12 R)
• M8: 5,467,802 km (0.119 R)
• M9: 6,650,673 km (0.094 R)
• M10: 7,567,558 km (0.115 R)
• M11: 10,017,522 km (0.118 R)
• M12: 12,518,649 km (0.088 R)
• M13: 14,678,842 km (0.114 R)
• M14: 17,143,168 km (0.085 R)
• M15: 20,018,589 km (0.077 R)
• M16: 23,528,753 km (0.049 R)
• M17: 24,360,966 km (0.069 R)
• M18: 25,040,888 km (0.066 R)
• M19: 33,066,365 km (0.085 R)
• M20: 35,392,313 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.4

Radius: 12.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.74 AU - 5.38 AU

Year: 6493 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,109,334 km

• M1: 153,487 km (0.092 R)
• M2: 2,036,027 km (0.093 R)
• M3: 6,526,357 km (0.084 R)
• M4: 16,737,758 km (0.107 R)
• M5: 17,619,787 km (0.12 R)
• M6: 18,163,725 km (0.052 R)
• M7: 25,289,071 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.4

Radius: 8.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.2 AU - 5.12 AU

Year: 6708 Days

Day: 10.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,109,334 km

• M1: 111,600 km (0.027 R)
• M2: 403,615 km (0.119 R)
• M3: 682,465 km (0.12 R)
• M4: 1,601,744 km (0.096 R)
• M5: 2,335,073 km (0.11 R)
• M6: 2,746,916 km (0.03 R)
• M7: 3,602,915 km (0.096 R)
• M8: 4,113,493 km (0.087 R)
• M9: 5,015,717 km (0.078 R)
• M10: 5,627,274 km (0.11 R)
• M11: 7,358,719 km (0.082 R)
• M12: 8,614,593 km (0.077 R)
• M13: 8,888,956 km (0.088 R)
• M14: 9,636,945 km (0.078 R)
• M15: 10,896,410 km (0.111 R)
• M16: 16,196,513 km (0.109 R)
• M17: 17,859,443 km (0.088 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 12,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit