🌌 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 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.3

Radius: 8.3

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.56 AU - 0.74 AU

Year: 355 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,576,028 km

• M1: 103,372 km (0.118 R)
• M2: 445,353 km (0.072 R)
• M3: 771,476 km (0.104 R)
• M4: 1,281,755 km (0.117 R)
• M5: 1,549,236 km (0.09 R)
• M6: 1,854,415 km (0.028 R)
• M7: 2,123,093 km (0.103 R)
• M8: 2,486,466 km (0.115 R)
• M9: 2,781,772 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510

Radius: 11.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.07 AU - 1.63 AU

Year: 1064 Days

Day: 11.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,576,028 km

• M1: 144,512 km (0.088 R)
• M2: 714,330 km (0.106 R)
• M3: 1,123,031 km (0.072 R)
• M4: 1,859,202 km (0.095 R)
• M5: 2,230,355 km (0.096 R)
• M6: 2,651,622 km (0.117 R)
• M7: 3,206,032 km (0.066 R)
• M8: 3,598,278 km (0.119 R)
• M9: 4,634,841 km (0.051 R)
• M10: 5,579,701 km (0.1 R)
• M11: 7,362,160 km (0.046 R)
• M12: 7,898,917 km (0.1 R)
• M13: 8,593,350 km (0.101 R)
• M14: 9,328,175 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.4

Radius: 8.2

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.65 AU - 3.73 AU

Year: 3864 Days

Day: 12.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,576,028 km

• M1: 102,026 km (0.092 R)
• M2: 909,705 km (0.102 R)
• M3: 1,239,867 km (0.054 R)
• M4: 1,544,897 km (0.058 R)
• M5: 2,076,568 km (0.11 R)
• M6: 2,463,578 km (0.055 R)
• M7: 4,164,655 km (0.096 R)
• M8: 5,245,201 km (0.097 R)
• M9: 5,994,835 km (0.066 R)
• M10: 6,719,338 km (0.093 R)
• M11: 13,112,403 km (0.104 R)
• M12: 17,881,433 km (0.078 R)
• M13: 19,058,170 km (0.111 R)
• M14: 20,550,559 km (0.057 R)
• M15: 22,259,565 km (0.116 R)
• M16: 23,913,519 km (0.048 R)
• M17: 26,113,655 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.9

Radius: 8

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.85 AU - 5.67 AU

Year: 8182 Days

Day: 14.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,576,028 km

• M1: 99,483 km (0.059 R)
• M2: 439,519 km (0.107 R)
• M3: 817,552 km (0.086 R)
• M4: 1,467,256 km (0.097 R)
• M5: 1,792,033 km (0.06 R)
• M6: 2,352,277 km (0.041 R)
• M7: 2,921,048 km (0.078 R)
• M8: 3,967,036 km (0.078 R)
• M9: 4,330,260 km (0.052 R)
• M10: 4,772,322 km (0.103 R)
• M11: 7,682,898 km (0.086 R)
• M12: 8,928,300 km (0.092 R)
• M13: 10,159,640 km (0.039 R)
• M14: 11,397,263 km (0.095 R)
• M15: 13,351,909 km (0.115 R)
• M16: 15,080,961 km (0.091 R)
• M17: 18,617,904 km (0.077 R)
• M18: 20,085,010 km (0.038 R)
• M19: 21,391,299 km (0.058 R)
• M20: 22,590,176 km (0.111 R)
• M21: 26,909,964 km (0.105 R)
• M22: 27,929,174 km (0.101 R)
• M23: 31,546,451 km (0.042 R)
• M24: 33,414,031 km (0.117 R)
• M25: 33,838,889 km (0.038 R)
• M26: 34,807,984 km (0.108 R)
• M27: 35,244,510 km (0.098 R)
• M28: 37,140,813 km (0.034 R)
• M29: 38,403,569 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 20,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit