🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142

Radius: 14.9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.55 AU - 0.83 AU

Year: 389 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,340,109 km

• M1: 185,352 km (0.076 R)
• M2: 736,171 km (0.046 R)
• M3: 1,215,931 km (0.105 R)
• M4: 1,934,450 km (0.081 R)
• M5: 2,506,512 km (0.117 R)
• M6: 3,191,371 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.4

Radius: 10.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.89 AU - 1.03 AU

Year: 638 Days

Day: 11.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,340,109 km

• M1: 129,552 km (0.079 R)
• M2: 481,107 km (0.08 R)
• M3: 852,109 km (0.1 R)
• M4: 1,342,042 km (0.102 R)
• M5: 1,989,053 km (0.071 R)
• M6: 2,389,527 km (0.07 R)
• M7: 2,854,776 km (0.106 R)
• M8: 3,429,531 km (0.101 R)
• M9: 3,791,558 km (0.076 R)
• M10: 4,412,389 km (0.101 R)
• M11: 4,826,177 km (0.106 R)
• M12: 5,803,201 km (0.114 R)
• M13: 6,150,567 km (0.07 R)
• M14: 6,550,592 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.7

Radius: 8.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.02 AU - 2.52 AU

Year: 2320 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 129.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,340,109 km

• M1: 107,112 km (0.087 R)
• M2: 391,348 km (0.091 R)
• M3: 892,950 km (0.051 R)
• M4: 1,185,114 km (0.092 R)
• M5: 1,516,623 km (0.047 R)
• M6: 2,876,767 km (0.087 R)
• M7: 3,955,368 km (0.032 R)
• M8: 4,293,309 km (0.074 R)
• M9: 4,613,748 km (0.118 R)
• M10: 5,404,073 km (0.117 R)
• M11: 6,532,640 km (0.067 R)
• M12: 7,103,505 km (0.104 R)
• M13: 8,182,106 km (0.053 R)
• M14: 8,760,601 km (0.067 R)

Asteroid Belt

Center: 2.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.3

Radius: 8

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.47 AU - 3.63 AU

Year: 4537 Days

Day: 10.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 123.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,340,109 km

• M1: 99,483 km (0.089 R)
• M2: 389,104 km (0.1 R)
• M3: 654,042 km (0.114 R)
• M4: 910,004 km (0.032 R)
• M5: 1,636,002 km (0.109 R)
• M6: 2,258,180 km (0.112 R)
• M7: 3,964,643 km (0.093 R)
• M8: 4,611,504 km (0.066 R)
• M9: 6,299,267 km (0.095 R)
• M10: 7,489,767 km (0.117 R)
• M11: 11,906,644 km (0.048 R)
• M12: 15,130,029 km (0.087 R)
• M13: 16,639,771 km (0.099 R)
• M14: 17,001,948 km (0.078 R)
• M15: 18,120,192 km (0.113 R)
• M16: 18,503,611 km (0.091 R)
• M17: 21,768,435 km (0.093 R)
• M18: 24,223,486 km (0.11 R)
• M19: 25,318,692 km (0.104 R)
• M20: 26,774,877 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.7

Radius: 7.1

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.49 AU - 8.51 AU

Year: 16808 Days

Day: 19.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,340,109 km

• M1: 92,900 km (0.083 R)
• M2: 500,106 km (0.096 R)
• M3: 5,863,489 km (0.109 R)
• M4: 7,145,542 km (0.106 R)
• M5: 7,716,258 km (0.098 R)
• M6: 9,199,671 km (0.103 R)
• M7: 9,928,362 km (0.101 R)
• M8: 12,593,747 km (0.078 R)
• M9: 16,290,011 km (0.111 R)
• M10: 19,037,227 km (0.106 R)
• M11: 19,453,408 km (0.055 R)
• M12: 24,439,804 km (0.118 R)
• M13: 26,342,988 km (0.115 R)
• M14: 28,885,404 km (0.114 R)
• M15: 44,955,507 km (0.085 R)
• M16: 48,725,971 km (0.112 R)
• M17: 55,695,287 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499

Radius: 7.7

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.84 AU - 11.18 AU

Year: 18343 Days

Day: 18 Hours

Environment

Temp: -244 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,340,109 km

• M1: 95,743 km (0.036 R)
• M2: 345,421 km (0.109 R)
• M3: 773,571 km (0.113 R)
• M4: 1,310,328 km (0.049 R)
• M5: 1,589,627 km (0.038 R)
• M6: 2,372,921 km (0.109 R)
• M7: 4,133,539 km (0.09 R)
• M8: 5,190,897 km (0.098 R)
• M9: 6,924,885 km (0.098 R)
• M10: 12,046,668 km (0.117 R)
• M11: 13,349,366 km (0.073 R)
• M12: 17,012,569 km (0.065 R)
• M13: 17,331,811 km (0.066 R)
• M14: 18,147,119 km (0.09 R)
• M15: 24,687,688 km (0.076 R)
• M16: 30,367,769 km (0.087 R)
• M17: 37,936,075 km (0.064 R)
• M18: 40,288,951 km (0.083 R)
• M19: 49,531,556 km (0.103 R)
• M20: 52,338,461 km (0.116 R)
• M21: 63,091,855 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.5

Radius: 3.6

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.74 AU - 11.36 AU

Year: 20017 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,340,109 km

• M1: 45,927 km (0.062 R)
• M2: 199,115 km (0.074 R)
• M3: 1,587,682 km (0.106 R)
• M4: 1,824,196 km (0.099 R)
• M5: 3,308,207 km (0.091 R)
• M6: 3,600,671 km (0.113 R)
• M7: 16,294,050 km (0.109 R)
• M8: 18,350,572 km (0.06 R)
• M9: 29,712,531 km (0.037 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: 357 - 13,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit