🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.4

Radius: 14.4

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.73 AU - 0.93 AU

Year: 496 Days

Day: 12.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,401,235 km

• M1: 179,966 km (0.051 R)
• M2: 997,668 km (0.03 R)
• M3: 1,533,977 km (0.096 R)
• M4: 2,681,243 km (0.117 R)
• M5: 3,196,308 km (0.119 R)
• M6: 4,327,567 km (0.065 R)
• M7: 5,074,210 km (0.076 R)
• M8: 5,641,635 km (0.09 R)
• M9: 6,177,494 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 13.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.57 AU - 2.09 AU

Year: 1624 Days

Day: 13.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,401,235 km

• M1: 162,912 km (0.08 R)
• M2: 865,124 km (0.114 R)
• M3: 1,688,362 km (0.034 R)
• M4: 2,096,764 km (0.106 R)
• M5: 3,382,258 km (0.039 R)
• M6: 3,813,100 km (0.12 R)
• M7: 4,587,718 km (0.08 R)
• M8: 5,076,005 km (0.08 R)
• M9: 5,990,796 km (0.056 R)
• M10: 6,550,442 km (0.11 R)
• M11: 8,205,892 km (0.099 R)
• M12: 8,622,372 km (0.038 R)
• M13: 9,147,012 km (0.087 R)
• M14: 10,956,847 km (0.077 R)
• M15: 11,573,190 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.9

Radius: 9

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.18 AU - 4.86 AU

Year: 6304 Days

Day: 6.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,401,235 km

• M1: 111,899 km (0.074 R)
• M2: 408,402 km (0.083 R)
• M3: 809,624 km (0.097 R)
• M4: 1,457,532 km (0.08 R)
• M5: 1,787,545 km (0.052 R)
• M6: 2,757,837 km (0.077 R)
• M7: 3,308,207 km (0.103 R)
• M8: 3,685,493 km (0.068 R)
• M9: 5,664,224 km (0.06 R)
• M10: 6,021,763 km (0.106 R)
• M11: 6,749,108 km (0.041 R)
• M12: 8,725,296 km (0.106 R)
• M13: 9,740,018 km (0.054 R)
• M14: 10,124,036 km (0.118 R)
• M15: 10,651,668 km (0.071 R)
• M16: 12,295,748 km (0.027 R)
• M17: 12,947,397 km (0.086 R)
• M18: 14,319,658 km (0.11 R)
• M19: 14,816,472 km (0.089 R)
• M20: 15,612,183 km (0.082 R)
• M21: 16,858,782 km (0.119 R)
• M22: 18,170,457 km (0.054 R)
• M23: 21,926,410 km (0.093 R)
• M24: 22,365,031 km (0.106 R)
• M25: 26,581,148 km (0.075 R)
• M26: 28,010,705 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.8

Radius: 8

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.25 AU - 7.81 AU

Year: 13555 Days

Day: 18.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,401,235 km

• M1: 99,483 km (0.066 R)
• M2: 357,240 km (0.101 R)
• M3: 647,460 km (0.09 R)
• M4: 985,850 km (0.089 R)
• M5: 1,993,691 km (0.029 R)
• M6: 2,957,550 km (0.098 R)
• M7: 3,279,485 km (0.113 R)
• M8: 3,542,926 km (0.05 R)
• M9: 4,514,565 km (0.072 R)
• M10: 5,184,165 km (0.12 R)
• M11: 5,803,949 km (0.096 R)
• M12: 6,761,674 km (0.057 R)
• M13: 9,665,219 km (0.058 R)
• M14: 10,831,933 km (0.09 R)
• M15: 11,359,565 km (0.104 R)
• M16: 15,472,010 km (0.058 R)
• M17: 16,066,063 km (0.085 R)
• M18: 18,595,315 km (0.118 R)
• M19: 19,780,878 km (0.106 R)
• M20: 20,926,199 km (0.103 R)
• M21: 22,208,552 km (0.099 R)
• M22: 25,641,973 km (0.11 R)
• M23: 25,951,790 km (0.046 R)
• M24: 28,742,388 km (0.072 R)
• M25: 38,169,448 km (0.059 R)
• M26: 41,624,261 km (0.111 R)
• M27: 42,627,614 km (0.071 R)
• M28: 44,682,790 km (0.077 R)
• M29: 45,281,779 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.8

Radius: 4.7

Gravity: 17.78 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.97 AU - 11.15 AU

Year: 22512 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,401,235 km

• M1: 58,493 km (0.074 R)
• M2: 215,571 km (0.082 R)
• M3: 424,708 km (0.058 R)
• M4: 836,850 km (0.105 R)
• M5: 1,152,203 km (0.057 R)
• M6: 2,235,441 km (0.119 R)
• M7: 2,627,836 km (0.07 R)
• M8: 2,840,564 km (0.119 R)
• M9: 2,988,666 km (0.096 R)
• M10: 5,049,826 km (0.084 R)
• M11: 5,683,971 km (0.108 R)
• M12: 5,840,600 km (0.095 R)
• M13: 6,203,525 km (0.099 R)
• M14: 7,711,471 km (0.113 R)
• M15: 7,903,555 km (0.04 R)
• M16: 8,049,712 km (0.082 R)
• M17: 8,912,592 km (0.108 R)
• M18: 10,465,269 km (0.093 R)
• M19: 11,868,646 km (0.064 R)
• M20: 12,124,907 km (0.054 R)
• M21: 12,715,071 km (0.081 R)
• M22: 14,094,663 km (0.062 R)
• M23: 20,983,794 km (0.116 R)
• M24: 34,527,637 km (0.115 R)
• M25: 38,016,858 km (0.054 R)
• M26: 42,029,522 km (0.079 R)
• M27: 42,326,474 km (0.112 R)
• M28: 45,842,771 km (0.095 R)
• M29: 46,632,199 km (0.106 R)
• M30: 49,880,268 km (0.11 R)
• M31: 52,413,110 km (0.096 R)
• M32: 56,281,113 km (0.05 R)
• M33: 66,170,579 km (0.046 R)
• M34: 68,401,233 km (0.066 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 16,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit