🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.3

Radius: 14.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.47 AU - 1.55 AU

Year: 1304 Days

Day: 8.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,363,490 km

• M1: 210,335 km (0.066 R)
• M2: 608,564 km (0.111 R)
• M3: 1,012,778 km (0.109 R)
• M4: 1,325,886 km (0.098 R)
• M5: 1,731,745 km (0.068 R)
• M6: 2,086,591 km (0.117 R)
• M7: 2,802,417 km (0.118 R)
• M8: 3,089,346 km (0.1 R)
• M9: 4,735,221 km (0.117 R)
• M10: 5,948,909 km (0.095 R)
• M11: 6,271,143 km (0.109 R)
• M12: 6,558,520 km (0.093 R)
• M13: 7,774,302 km (0.111 R)
• M14: 8,471,578 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.7

Radius: 11.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.46 AU - 2.16 AU

Year: 1712 Days

Day: 10.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,363,490 km

• M1: 166,353 km (0.077 R)
• M2: 578,645 km (0.058 R)
• M3: 1,313,769 km (0.08 R)
• M4: 1,681,630 km (0.116 R)
• M5: 2,089,284 km (0.094 R)
• M6: 2,418,100 km (0.104 R)
• M7: 2,747,963 km (0.118 R)
• M8: 3,048,655 km (0.097 R)
• M9: 3,586,160 km (0.114 R)
• M10: 3,813,998 km (0.034 R)
• M11: 4,415,531 km (0.057 R)
• M12: 4,733,426 km (0.071 R)
• M13: 6,455,896 km (0.072 R)
• M14: 7,399,559 km (0.08 R)
• M15: 11,245,272 km (0.052 R)
• M16: 12,301,134 km (0.118 R)
• M17: 13,240,309 km (0.106 R)
• M18: 14,016,872 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.6

Radius: 13.2

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.82 AU - 3.12 AU

Year: 3598 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,363,490 km

• M1: 216,618 km (0.083 R)
• M2: 967,150 km (0.083 R)
• M3: 1,241,962 km (0.074 R)
• M4: 1,585,289 km (0.071 R)
• M5: 1,881,642 km (0.066 R)
• M6: 2,138,950 km (0.108 R)
• M7: 3,277,540 km (0.063 R)
• M8: 4,912,046 km (0.111 R)
• M9: 5,280,206 km (0.079 R)
• M10: 6,231,499 km (0.09 R)
• M11: 7,734,060 km (0.119 R)
• M12: 8,107,756 km (0.089 R)
• M13: 8,354,443 km (0.114 R)
• M14: 8,719,910 km (0.103 R)
• M15: 10,924,534 km (0.059 R)
• M16: 11,342,810 km (0.08 R)
• M17: 12,340,777 km (0.09 R)
• M18: 13,181,368 km (0.117 R)
• M19: 13,554,315 km (0.079 R)
• M20: 14,226,907 km (0.115 R)
• M21: 14,614,515 km (0.117 R)
• M22: 14,976,841 km (0.115 R)
• M23: 15,528,857 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.3

Radius: 12.1

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.59 AU - 3.95 AU

Year: 5145 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 25,363,490 km

• M1: 150,645 km (0.108 R)
• M2: 513,270 km (0.118 R)
• M3: 744,249 km (0.09 R)
• M4: 1,011,581 km (0.116 R)
• M5: 1,588,879 km (0.112 R)
• M6: 1,832,724 km (0.091 R)
• M7: 3,945,943 km (0.104 R)
• M8: 4,538,351 km (0.098 R)
• M9: 4,862,380 km (0.115 R)
• M10: 6,628,233 km (0.051 R)
• M11: 6,879,258 km (0.099 R)
• M12: 7,601,517 km (0.043 R)
• M13: 8,113,740 km (0.108 R)
• M14: 8,485,490 km (0.103 R)
• M15: 9,287,185 km (0.04 R)
• M16: 10,436,695 km (0.067 R)
• M17: 11,037,032 km (0.082 R)
• M18: 11,434,513 km (0.069 R)
• M19: 11,801,926 km (0.066 R)
• M20: 12,326,416 km (0.06 R)
• M21: 13,134,693 km (0.027 R)
• M22: 14,009,392 km (0.071 R)
• M23: 15,374,772 km (0.109 R)
• M24: 16,146,697 km (0.057 R)
• M25: 16,982,051 km (0.112 R)
• M26: 17,838,648 km (0.11 R)
• M27: 18,669,814 km (0.052 R)
• M28: 19,139,851 km (0.085 R)
• M29: 20,000,787 km (0.105 R)
• M30: 21,377,835 km (0.088 R)
• M31: 22,749,498 km (0.116 R)
• M32: 24,752,613 km (0.104 R)
• M33: 26,006,393 km (0.067 R)
• M34: 28,839,478 km (0.077 R)
• M35: 29,541,241 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.1

Radius: 3.5

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.04 AU - 6.22 AU

Year: 9390 Days

Day: 18.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 25,363,490 km

• M1: 193,580 km (0.087 R)
• M2: 306,975 km (0.097 R)
• M3: 583,282 km (0.062 R)
• M4: 1,006,345 km (0.057 R)
• M5: 1,097,300 km (0.06 R)
• M6: 1,821,653 km (0.12 R)
• M7: 1,889,421 km (0.071 R)
• M8: 2,202,380 km (0.064 R)
• M9: 2,352,875 km (0.069 R)
• M10: 2,668,826 km (0.045 R)
• M11: 2,734,499 km (0.108 R)
• M12: 3,145,295 km (0.037 R)
• M13: 4,681,665 km (0.072 R)
• M14: 8,414,880 km (0.102 R)
• M15: 9,403,423 km (0.036 R)
• M16: 9,713,839 km (0.076 R)
• M17: 10,220,975 km (0.12 R)
• M18: 11,545,814 km (0.058 R)
• M19: 12,556,946 km (0.104 R)
• M20: 13,647,664 km (0.06 R)
• M21: 15,094,724 km (0.116 R)
• M22: 15,408,730 km (0.07 R)
• M23: 17,570,569 km (0.115 R)
• M24: 18,380,342 km (0.046 R)
• M25: 20,918,869 km (0.061 R)
• M26: 22,226,204 km (0.092 R)
• M27: 22,894,757 km (0.117 R)
• M28: 25,161,315 km (0.098 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: 454 - 17,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit