🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.7

Radius: 14.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.62 AU - 0.86 AU

Year: 447 Days

Day: 8.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,951,375 km

• M1: 185,352 km (0.102 R)
• M2: 815,608 km (0.08 R)
• M3: 1,526,945 km (0.071 R)
• M4: 2,034,531 km (0.045 R)
• M5: 2,598,365 km (0.069 R)
• M6: 3,289,059 km (0.088 R)
• M7: 5,196,880 km (0.084 R)
• M8: 5,780,911 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.2

Radius: 12.8

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.88 AU - 2.96 AU

Year: 3507 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,951,375 km

• M1: 160,818 km (0.098 R)
• M2: 590,612 km (0.076 R)
• M3: 1,069,026 km (0.096 R)
• M4: 1,900,491 km (0.112 R)
• M5: 2,360,654 km (0.114 R)
• M6: 3,296,090 km (0.079 R)
• M7: 3,817,887 km (0.08 R)
• M8: 4,441,262 km (0.051 R)
• M9: 4,952,587 km (0.079 R)
• M10: 5,395,247 km (0.052 R)
• M11: 6,665,483 km (0.1 R)
• M12: 7,108,891 km (0.089 R)
• M13: 10,033,978 km (0.088 R)
• M14: 11,268,759 km (0.095 R)
• M15: 13,381,829 km (0.058 R)
• M16: 14,929,867 km (0.096 R)
• M17: 18,134,104 km (0.088 R)
• M18: 19,001,772 km (0.1 R)
• M19: 19,831,891 km (0.062 R)
• M20: 20,752,965 km (0.091 R)
• M21: 21,359,883 km (0.105 R)
• M22: 22,048,183 km (0.095 R)
• M23: 23,760,480 km (0.109 R)
• M24: 25,406,506 km (0.075 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.7

Radius: 3.2

Gravity: 51.44 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.69 AU - 8.39 AU

Year: 14553 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,951,375 km

• M1: 46,375 km (0.096 R)
• M2: 191,186 km (0.091 R)
• M3: 363,074 km (0.09 R)
• M4: 599,887 km (0.096 R)
• M5: 1,124,527 km (0.045 R)
• M6: 1,371,962 km (0.085 R)
• M7: 1,622,987 km (0.1 R)
• M8: 4,009,672 km (0.114 R)
• M9: 6,311,235 km (0.083 R)
• M10: 8,524,984 km (0.08 R)
• M11: 12,091,098 km (0.042 R)
• M12: 13,535,765 km (0.096 R)
• M13: 14,131,015 km (0.114 R)
• M14: 14,951,709 km (0.092 R)
• M15: 19,369,334 km (0.088 R)
• M16: 30,546,838 km (0.055 R)
• M17: 37,277,396 km (0.096 R)
• M18: 53,732,264 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.8

Radius: 7.1

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.8 AU - 9.42 AU

Year: 16235 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 43,951,375 km

• M1: 90,058 km (0.083 R)
• M2: 342,579 km (0.104 R)
• M3: 662,569 km (0.117 R)
• M4: 898,036 km (0.106 R)
• M5: 1,530,386 km (0.107 R)
• M6: 1,934,001 km (0.104 R)
• M7: 2,535,983 km (0.119 R)
• M8: 3,230,566 km (0.091 R)
• M9: 3,721,546 km (0.032 R)
• M10: 4,106,312 km (0.116 R)
• M11: 4,886,315 km (0.114 R)
• M12: 5,311,472 km (0.09 R)
• M13: 5,722,567 km (0.046 R)
• M14: 7,912,231 km (0.043 R)
• M15: 8,548,920 km (0.068 R)
• M16: 10,958,642 km (0.112 R)
• M17: 11,258,287 km (0.064 R)
• M18: 11,687,184 km (0.082 R)
• M19: 12,905,958 km (0.113 R)
• M20: 14,492,144 km (0.088 R)
• M21: 16,750,623 km (0.084 R)
• M22: 20,292,353 km (0.116 R)
• M23: 21,389,204 km (0.092 R)
• M24: 23,700,491 km (0.107 R)
• M25: 28,473,412 km (0.094 R)
• M26: 29,499,354 km (0.095 R)
• M27: 35,000,815 km (0.118 R)
• M28: 36,442,640 km (0.058 R)
• M29: 37,515,705 km (0.101 R)
• M30: 41,873,491 km (0.111 R)
• M31: 43,497,376 km (0.039 R)
• M32: 46,713,581 km (0.099 R)
• M33: 49,430,428 km (0.117 R)
• M34: 52,759,579 km (0.107 R)
• M35: 53,786,718 km (0.1 R)
• M36: 57,847,701 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.4

Radius: 7.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.52 AU - 10.6 AU

Year: 17604 Days

Day: 16.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,951,375 km

• M1: 95,743 km (0.102 R)
• M2: 411,095 km (0.088 R)
• M3: 866,620 km (0.114 R)
• M4: 1,340,098 km (0.066 R)
• M5: 1,881,044 km (0.033 R)
• M6: 2,263,565 km (0.095 R)
• M7: 3,882,663 km (0.115 R)
• M8: 5,479,620 km (0.071 R)
• M9: 6,963,182 km (0.085 R)
• M10: 10,296,971 km (0.105 R)
• M11: 11,754,653 km (0.1 R)
• M12: 12,934,681 km (0.092 R)
• M13: 15,397,510 km (0.042 R)
• M14: 16,396,675 km (0.049 R)
• M15: 18,449,756 km (0.115 R)
• M16: 20,039,383 km (0.051 R)
• M17: 22,634,158 km (0.103 R)
• M18: 23,662,344 km (0.12 R)
• M19: 25,627,761 km (0.103 R)
• M20: 35,485,213 km (0.08 R)
• M21: 41,625,608 km (0.03 R)
• M22: 41,879,774 km (0.043 R)
• M23: 42,391,399 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 18,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit