🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.9

Radius: 10.1

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.51 AU - 0.55 AU

Year: 266 Days

Day: 13.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,347,560 km

• M1: 125,812 km (0.091 R)
• M2: 452,085 km (0.085 R)
• M3: 785,239 km (0.12 R)
• M4: 1,391,111 km (0.1 R)
• M5: 2,073,875 km (0.077 R)
• M6: 2,436,201 km (0.098 R)
• M7: 2,765,915 km (0.034 R)
• M8: 3,196,906 km (0.051 R)
• M9: 3,527,219 km (0.089 R)
• M10: 4,257,256 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.8

Radius: 12.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.63 AU - 0.87 AU

Year: 448 Days

Day: 5.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,347,560 km

• M1: 155,582 km (0.073 R)
• M2: 562,488 km (0.109 R)
• M3: 961,914 km (0.038 R)
• M4: 1,392,457 km (0.12 R)
• M5: 1,801,906 km (0.039 R)
• M6: 2,192,058 km (0.111 R)
• M7: 3,175,813 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 12.7

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.68 AU - 0.98 AU

Year: 522 Days

Day: 12.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 95.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,347,560 km

• M1: 159,322 km (0.057 R)
• M2: 568,921 km (0.097 R)
• M3: 1,074,113 km (0.119 R)
• M4: 1,589,178 km (0.055 R)
• M5: 2,090,929 km (0.065 R)
• M6: 2,601,357 km (0.076 R)
• M7: 3,050,001 km (0.098 R)
• M8: 3,904,953 km (0.083 R)
• M9: 4,512,769 km (0.093 R)
• M10: 4,963,358 km (0.094 R)
• M11: 5,825,042 km (0.118 R)
• M12: 6,560,016 km (0.102 R)
• M13: 7,119,213 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 14.6

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.26 AU - 2 AU

Year: 1436 Days

Day: 9.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,347,560 km

• M1: 181,612 km (0.092 R)
• M2: 713,432 km (0.088 R)
• M3: 1,231,340 km (0.057 R)
• M4: 1,772,286 km (0.101 R)
• M5: 3,024,570 km (0.111 R)
• M6: 3,691,327 km (0.079 R)
• M7: 4,213,424 km (0.116 R)
• M8: 4,725,647 km (0.07 R)
• M9: 5,429,804 km (0.05 R)
• M10: 6,946,128 km (0.084 R)
• M11: 7,446,683 km (0.091 R)
• M12: 7,943,049 km (0.07 R)
• M13: 8,639,427 km (0.108 R)
• M14: 9,503,055 km (0.076 R)
• M15: 10,491,598 km (0.046 R)
• M16: 11,366,895 km (0.083 R)
• M17: 13,143,968 km (0.106 R)

Asteroid Belt

Center: 2.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.6

Radius: 13.2

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.32 AU - 3.72 AU

Year: 3623 Days

Day: 14.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,347,560 km

• M1: 164,258 km (0.12 R)
• M2: 751,430 km (0.075 R)
• M3: 1,508,395 km (0.047 R)
• M4: 1,967,960 km (0.118 R)
• M5: 2,427,824 km (0.095 R)
• M6: 4,284,184 km (0.072 R)
• M7: 4,738,064 km (0.114 R)
• M8: 6,297,023 km (0.051 R)
• M9: 7,579,975 km (0.095 R)
• M10: 8,466,043 km (0.114 R)
• M11: 9,223,756 km (0.106 R)
• M12: 10,150,515 km (0.035 R)
• M13: 13,456,029 km (0.076 R)
• M14: 14,435,895 km (0.074 R)
• M15: 17,661,525 km (0.065 R)
• M16: 18,647,075 km (0.081 R)
• M17: 20,459,603 km (0.027 R)
• M18: 21,477,467 km (0.084 R)
• M19: 23,835,728 km (0.106 R)
• M20: 26,440,975 km (0.029 R)
• M21: 26,919,688 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.8

Radius: 6.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.79 AU - 9.57 AU

Year: 19199 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,347,560 km

• M1: 85,420 km (0.113 R)
• M2: 304,731 km (0.07 R)
• M3: 1,208,302 km (0.071 R)
• M4: 1,520,214 km (0.099 R)
• M5: 2,653,268 km (0.104 R)
• M6: 3,248,817 km (0.097 R)
• M7: 6,439,291 km (0.106 R)
• M8: 8,778,253 km (0.115 R)
• M9: 9,261,155 km (0.068 R)
• M10: 10,042,206 km (0.097 R)
• M11: 11,682,247 km (0.05 R)
• M12: 12,105,310 km (0.088 R)
• M13: 12,648,350 km (0.072 R)
• M14: 13,150,999 km (0.062 R)
• M15: 14,738,681 km (0.049 R)
• M16: 15,295,036 km (0.081 R)
• M17: 25,144,859 km (0.067 R)
• M18: 35,697,493 km (0.119 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: 272 - 18,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit