🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.65 AU - 0.67 AU

Year: 352 Days

Day: 22.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.5

Radius: 10.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.66 AU - 0.7 AU

Year: 368 Days

Day: 6.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,361,527 km

• M1: 130,599 km (0.109 R)
• M2: 525,986 km (0.11 R)
• M3: 975,977 km (0.03 R)
• M4: 1,640,490 km (0.09 R)
• M5: 2,105,740 km (0.075 R)
• M6: 2,875,421 km (0.114 R)
• M7: 3,412,627 km (0.119 R)
• M8: 3,775,701 km (0.086 R)
• M9: 4,127,106 km (0.109 R)
• M10: 4,526,832 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.7

Radius: 11.6

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.72 AU - 2.58 AU

Year: 2068 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,361,527 km

• M1: 144,212 km (0.119 R)
• M2: 530,624 km (0.088 R)
• M3: 929,900 km (0.108 R)
• M4: 1,317,060 km (0.109 R)
• M5: 1,900,491 km (0.088 R)
• M6: 2,626,340 km (0.041 R)
• M7: 3,321,671 km (0.101 R)
• M8: 4,590,859 km (0.106 R)
• M9: 5,315,811 km (0.045 R)
• M10: 5,940,831 km (0.062 R)
• M11: 7,287,959 km (0.066 R)
• M12: 7,770,861 km (0.082 R)
• M13: 10,355,015 km (0.073 R)
• M14: 11,197,401 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.3

Radius: 14.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.9 AU - 4.62 AU

Year: 4783 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 96.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,361,527 km

• M1: 185,352 km (0.107 R)
• M2: 803,939 km (0.113 R)
• M3: 2,305,004 km (0.117 R)
• M4: 2,909,828 km (0.042 R)
• M5: 3,620,119 km (0.05 R)
• M6: 4,343,873 km (0.094 R)
• M7: 4,807,477 km (0.07 R)
• M8: 5,565,490 km (0.118 R)
• M9: 6,337,415 km (0.089 R)
• M10: 7,321,469 km (0.063 R)
• M11: 7,944,245 km (0.107 R)
• M12: 8,924,411 km (0.111 R)
• M13: 10,658,998 km (0.111 R)
• M14: 12,455,070 km (0.082 R)
• M15: 14,960,236 km (0.037 R)
• M16: 15,785,119 km (0.093 R)
• M17: 17,142,719 km (0.07 R)
• M18: 19,323,258 km (0.113 R)
• M19: 20,803,828 km (0.111 R)
• M20: 25,616,391 km (0.044 R)
• M21: 31,505,312 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546

Radius: 5.7

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.44 AU - 9.26 AU

Year: 15828 Days

Day: 21.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,361,527 km

• M1: 71,209 km (0.119 R)
• M2: 270,323 km (0.09 R)
• M3: 471,532 km (0.103 R)
• M4: 766,839 km (0.096 R)
• M5: 1,001,707 km (0.103 R)
• M6: 1,394,402 km (0.1 R)
• M7: 1,866,981 km (0.076 R)
• M8: 2,837,124 km (0.082 R)
• M9: 3,565,366 km (0.081 R)
• M10: 4,165,702 km (0.047 R)
• M11: 5,787,642 km (0.036 R)
• M12: 6,093,720 km (0.073 R)
• M13: 7,743,635 km (0.096 R)
• M14: 8,895,239 km (0.116 R)
• M15: 9,148,807 km (0.071 R)
• M16: 9,511,881 km (0.072 R)
• M17: 12,390,444 km (0.085 R)
• M18: 14,439,785 km (0.117 R)
• M19: 18,042,251 km (0.105 R)
• M20: 19,449,518 km (0.064 R)
• M21: 19,790,901 km (0.076 R)
• M22: 27,918,553 km (0.119 R)
• M23: 28,462,341 km (0.095 R)
• M24: 38,419,127 km (0.114 R)
• M25: 41,157,217 km (0.115 R)
• M26: 42,717,373 km (0.107 R)
• M27: 44,759,384 km (0.114 R)
• M28: 50,307,370 km (0.078 R)
• M29: 52,253,788 km (0.081 R)
• M30: 53,746,326 km (0.07 R)
• M31: 54,926,504 km (0.085 R)
• M32: 59,282,794 km (0.073 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 16,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit