🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.24 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.1

Radius: 13.8

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.41 AU - 2.55 AU

Year: 2649 Days

Day: 11.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,987,092 km

• M1: 171,589 km (0.1 R)
• M2: 1,047,634 km (0.11 R)
• M3: 1,998,628 km (0.089 R)
• M4: 3,588,554 km (0.066 R)
• M5: 6,790,547 km (0.082 R)
• M6: 7,408,835 km (0.071 R)
• M7: 11,624,802 km (0.089 R)
• M8: 12,265,380 km (0.117 R)
• M9: 17,019,750 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 12.5

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.66 AU - 3.28 AU

Year: 3472 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,987,092 km

• M1: 155,432 km (0.109 R)
• M2: 597,195 km (0.117 R)
• M3: 1,384,229 km (0.063 R)
• M4: 2,244,267 km (0.088 R)
• M5: 2,725,673 km (0.104 R)
• M6: 5,607,227 km (0.062 R)
• M7: 6,392,467 km (0.061 R)
• M8: 7,490,814 km (0.064 R)
• M9: 7,894,130 km (0.051 R)
• M10: 10,134,209 km (0.081 R)
• M11: 10,667,375 km (0.084 R)
• M12: 11,665,941 km (0.108 R)
• M13: 12,638,776 km (0.039 R)
• M14: 13,573,464 km (0.096 R)
• M15: 16,655,329 km (0.099 R)
• M16: 17,184,158 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.2

Radius: 9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.51 AU - 4.09 AU

Year: 5024 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,987,092 km

• M1: 112,049 km (0.087 R)
• M2: 543,190 km (0.101 R)
• M3: 834,457 km (0.072 R)
• M4: 1,333,964 km (0.089 R)
• M5: 1,713,793 km (0.103 R)
• M6: 2,204,923 km (0.083 R)
• M7: 2,709,367 km (0.07 R)
• M8: 3,306,562 km (0.096 R)
• M9: 3,908,843 km (0.109 R)
• M10: 5,017,662 km (0.117 R)
• M11: 5,530,783 km (0.076 R)
• M12: 7,040,973 km (0.119 R)
• M13: 7,373,380 km (0.12 R)
• M14: 7,716,109 km (0.105 R)
• M15: 8,947,897 km (0.069 R)
• M16: 10,001,366 km (0.103 R)
• M17: 13,471,887 km (0.108 R)
• M18: 14,705,770 km (0.048 R)
• M19: 15,350,238 km (0.077 R)
• M20: 18,916,352 km (0.081 R)
• M21: 19,265,663 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.9

Radius: 4.4

Gravity: 17.56 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.46 AU - 8.84 AU

Year: 12967 Days

Day: 23.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,987,092 km

• M1: 57,894 km (0.1 R)
• M2: 466,147 km (0.11 R)
• M3: 883,974 km (0.097 R)
• M4: 1,247,497 km (0.091 R)
• M5: 1,645,128 km (0.106 R)
• M6: 1,937,891 km (0.061 R)
• M7: 2,547,353 km (0.095 R)
• M8: 3,299,381 km (0.04 R)
• M9: 3,490,268 km (0.056 R)
• M10: 3,999,649 km (0.028 R)
• M11: 4,499,156 km (0.05 R)
• M12: 5,070,321 km (0.039 R)
• M13: 5,790,634 km (0.116 R)
• M14: 6,246,908 km (0.095 R)
• M15: 6,428,669 km (0.111 R)
• M16: 9,217,473 km (0.07 R)
• M17: 9,500,811 km (0.119 R)
• M18: 10,134,657 km (0.09 R)
• M19: 11,649,635 km (0.07 R)
• M20: 14,668,520 km (0.118 R)
• M21: 16,598,482 km (0.119 R)
• M22: 22,360,843 km (0.044 R)
• M23: 23,304,356 km (0.068 R)
• M24: 24,363,659 km (0.043 R)
• M25: 26,483,012 km (0.101 R)
• M26: 26,673,001 km (0.1 R)
• M27: 30,041,945 km (0.104 R)
• M28: 30,352,211 km (0.08 R)
• M29: 42,086,519 km (0.07 R)
• M30: 42,474,875 km (0.113 R)
• M31: 44,318,968 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.8

Radius: 3.8

Gravity: 69.1 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.12 AU - 10.14 AU

Year: 17195 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,987,092 km

• M1: 47,722 km (0.031 R)
• M2: 175,329 km (0.102 R)
• M3: 348,862 km (0.103 R)
• M4: 1,071,719 km (0.101 R)
• M5: 1,721,722 km (0.052 R)
• M6: 2,577,272 km (0.073 R)
• M7: 2,772,497 km (0.112 R)
• M8: 2,899,356 km (0.081 R)
• M9: 3,192,419 km (0.097 R)
• M10: 4,887,213 km (0.039 R)
• M11: 5,739,622 km (0.064 R)
• M12: 6,244,066 km (0.08 R)
• M13: 7,683,197 km (0.03 R)
• M14: 8,139,171 km (0.073 R)
• M15: 11,716,505 km (0.03 R)
• M16: 14,405,377 km (0.079 R)
• M17: 17,221,258 km (0.106 R)
• M18: 18,443,323 km (0.066 R)
• M19: 19,075,524 km (0.093 R)
• M20: 19,350,933 km (0.033 R)
• M21: 22,967,761 km (0.114 R)
• M22: 23,593,828 km (0.114 R)
• M23: 24,770,864 km (0.056 R)
• M24: 44,773,446 km (0.101 R)
• M25: 58,201,500 km (0.083 R)
• M26: 59,363,277 km (0.069 R)
• M27: 63,959,971 km (0.113 R)
• M28: 72,731,942 km (0.098 R)
• M29: 72,955,441 km (0.085 R)
• M30: 75,901,621 km (0.039 R)
• M31: 77,055,619 km (0.117 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 18,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit