🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 12

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.52 AU - 0.72 AU

Year: 337 Days

Day: 7.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,374,066 km

• M1: 149,299 km (0.034 R)
• M2: 539,300 km (0.118 R)
• M3: 942,616 km (0.106 R)
• M4: 1,329,775 km (0.092 R)
• M5: 1,759,121 km (0.036 R)
• M6: 2,554,683 km (0.06 R)
• M7: 3,169,081 km (0.061 R)
• M8: 3,598,726 km (0.075 R)
• M9: 4,139,523 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.2

Radius: 14.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.65 AU - 1.03 AU

Year: 531 Days

Day: 13.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,374,066 km

• M1: 181,612 km (0.076 R)
• M2: 665,711 km (0.073 R)
• M3: 1,219,671 km (0.1 R)
• M4: 1,818,811 km (0.101 R)
• M5: 2,311,586 km (0.109 R)
• M6: 2,847,595 km (0.091 R)
• M7: 3,466,781 km (0.097 R)
• M8: 3,983,492 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.9

Radius: 8.6

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.44 AU - 3.02 AU

Year: 3114 Days

Day: 6.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,374,066 km

• M1: 106,962 km (0.092 R)
• M2: 466,745 km (0.027 R)
• M3: 827,725 km (0.049 R)
• M4: 1,221,766 km (0.089 R)
• M5: 1,548,039 km (0.097 R)
• M6: 2,678,251 km (0.092 R)
• M7: 3,432,972 km (0.034 R)
• M8: 3,761,339 km (0.103 R)
• M9: 4,129,500 km (0.077 R)
• M10: 4,726,994 km (0.043 R)
• M11: 6,243,617 km (0.099 R)
• M12: 7,619,768 km (0.085 R)
• M13: 9,857,452 km (0.104 R)
• M14: 11,674,618 km (0.084 R)
• M15: 12,540,790 km (0.1 R)
• M16: 15,074,977 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.3

Radius: 11.5

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.56 AU - 4.1 AU

Year: 5174 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,374,066 km

• M1: 143,464 km (0.108 R)
• M2: 661,971 km (0.055 R)
• M3: 1,058,255 km (0.098 R)
• M4: 1,483,263 km (0.065 R)
• M5: 1,876,556 km (0.084 R)
• M6: 2,271,344 km (0.116 R)
• M7: 2,630,080 km (0.104 R)
• M8: 3,427,736 km (0.109 R)
• M9: 4,358,534 km (0.115 R)
• M10: 5,400,483 km (0.111 R)
• M11: 5,993,639 km (0.11 R)
• M12: 8,777,057 km (0.092 R)
• M13: 9,820,651 km (0.054 R)
• M14: 10,705,672 km (0.059 R)
• M15: 12,067,462 km (0.06 R)
• M16: 12,947,247 km (0.05 R)
• M17: 14,394,606 km (0.051 R)
• M18: 15,998,894 km (0.057 R)
• M19: 17,663,918 km (0.07 R)
• M20: 19,979,095 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.4

Radius: 13.5

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.71 AU - 6.07 AU

Year: 7464 Days

Day: 8.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,374,066 km

• M1: 167,998 km (0.092 R)
• M2: 933,341 km (0.074 R)
• M3: 1,667,268 km (0.114 R)
• M4: 2,691,266 km (0.105 R)
• M5: 5,430,104 km (0.095 R)
• M6: 6,356,862 km (0.106 R)
• M7: 7,031,399 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.6

Radius: 4.9

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.3 AU - 7.04 AU

Year: 9319 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,374,066 km

• M1: 61,934 km (0.063 R)
• M2: 252,072 km (0.035 R)
• M3: 765,792 km (0.071 R)
• M4: 1,264,551 km (0.089 R)
• M5: 1,460,524 km (0.108 R)
• M6: 1,651,560 km (0.089 R)
• M7: 2,343,600 km (0.076 R)
• M8: 2,675,558 km (0.098 R)
• M9: 4,204,897 km (0.099 R)
• M10: 5,059,849 km (0.069 R)
• M11: 5,642,532 km (0.11 R)
• M12: 5,905,526 km (0.09 R)
• M13: 7,483,035 km (0.081 R)
• M14: 9,855,807 km (0.086 R)
• M15: 10,151,712 km (0.116 R)
• M16: 10,410,067 km (0.101 R)
• M17: 10,939,943 km (0.118 R)
• M18: 16,902,315 km (0.039 R)
• M19: 17,204,354 km (0.094 R)
• M20: 18,006,946 km (0.104 R)
• M21: 18,834,073 km (0.097 R)
• M22: 20,427,290 km (0.074 R)
• M23: 24,335,834 km (0.091 R)
• M24: 24,489,471 km (0.118 R)
• M25: 24,954,421 km (0.106 R)
• M26: 26,222,562 km (0.03 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 15,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit