🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.56 AU - 0.64 AU

Year: 300 Days

Day: 38.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 12.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.97 AU - 1.51 AU

Year: 892 Days

Day: 5.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,100,612 km

• M1: 151,692 km (0.097 R)
• M2: 628,909 km (0.067 R)
• M3: 1,034,469 km (0.078 R)
• M4: 1,512,434 km (0.083 R)
• M5: 1,929,813 km (0.108 R)
• M6: 2,567,099 km (0.116 R)
• M7: 3,054,340 km (0.071 R)
• M8: 4,328,764 km (0.073 R)
• M9: 4,778,306 km (0.115 R)
• M10: 6,701,087 km (0.065 R)
• M11: 7,727,328 km (0.087 R)
• M12: 8,908,254 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 12.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.44 AU - 1.68 AU

Year: 1258 Days

Day: 5.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,100,612 km

• M1: 153,039 km (0.076 R)
• M2: 549,174 km (0.094 R)
• M3: 1,016,518 km (0.111 R)
• M4: 1,444,218 km (0.067 R)
• M5: 3,002,579 km (0.087 R)
• M6: 3,578,231 km (0.11 R)
• M7: 3,970,776 km (0.063 R)
• M8: 4,719,065 km (0.094 R)
• M9: 5,383,579 km (0.11 R)
• M10: 6,025,952 km (0.078 R)
• M11: 6,562,709 km (0.093 R)
• M12: 7,367,845 km (0.116 R)
• M13: 8,237,756 km (0.049 R)
• M14: 8,764,790 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.5

Radius: 12.8

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.67 AU - 1.71 AU

Year: 1419 Days

Day: 6.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,100,612 km

• M1: 159,172 km (0.066 R)
• M2: 672,293 km (0.084 R)
• M3: 1,549,236 km (0.118 R)
• M4: 2,212,553 km (0.084 R)
• M5: 3,551,902 km (0.047 R)
• M6: 4,624,220 km (0.094 R)
• M7: 5,292,922 km (0.114 R)
• M8: 6,186,919 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.9

Radius: 11.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.97 AU - 2.57 AU

Year: 2208 Days

Day: 12.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,100,612 km

• M1: 145,559 km (0.098 R)
• M2: 540,497 km (0.094 R)
• M3: 983,307 km (0.108 R)
• M4: 1,698,534 km (0.091 R)
• M5: 2,069,387 km (0.099 R)
• M6: 2,550,943 km (0.091 R)
• M7: 2,992,107 km (0.049 R)
• M8: 3,400,659 km (0.1 R)
• M9: 3,998,601 km (0.079 R)
• M10: 4,682,862 km (0.085 R)
• M11: 5,349,021 km (0.116 R)
• M12: 5,975,089 km (0.078 R)
• M13: 6,848,291 km (0.118 R)
• M14: 7,421,102 km (0.105 R)
• M15: 7,976,259 km (0.118 R)
• M16: 8,900,625 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.9

Radius: 10.1

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.24 AU - 3.14 AU

Year: 2849 Days

Day: 6.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,100,612 km

• M1: 125,662 km (0.11 R)
• M2: 680,371 km (0.058 R)
• M3: 1,227,301 km (0.081 R)
• M4: 2,327,743 km (0.108 R)
• M5: 2,824,707 km (0.111 R)
• M6: 3,410,083 km (0.087 R)
• M7: 3,906,000 km (0.1 R)
• M8: 4,472,228 km (0.033 R)
• M9: 5,243,256 km (0.1 R)
• M10: 6,128,726 km (0.118 R)
• M11: 7,855,235 km (0.089 R)
• M12: 8,579,438 km (0.114 R)
• M13: 9,575,161 km (0.101 R)
• M14: 10,200,630 km (0.055 R)
• M15: 14,288,242 km (0.114 R)
• M16: 14,795,229 km (0.119 R)
• M17: 15,314,184 km (0.046 R)
• M18: 16,498,551 km (0.044 R)
• M19: 16,887,954 km (0.063 R)
• M20: 17,569,821 km (0.118 R)
• M21: 17,917,487 km (0.118 R)
• M22: 18,328,881 km (0.103 R)
• M23: 22,186,262 km (0.099 R)
• M24: 22,935,149 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382

Radius: 4.5

Gravity: 18.86 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.47 AU - 10.37 AU

Year: 17201 Days

Day: 16.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,100,612 km

• M1: 56,099 km (0.077 R)
• M2: 329,115 km (0.114 R)
• M3: 550,670 km (0.052 R)
• M4: 1,910,215 km (0.08 R)
• M5: 2,183,381 km (0.097 R)
• M6: 2,899,057 km (0.047 R)
• M7: 4,778,156 km (0.103 R)
• M8: 5,246,697 km (0.077 R)
• M9: 6,044,053 km (0.085 R)
• M10: 9,215,977 km (0.064 R)
• M11: 21,352,852 km (0.119 R)
• M12: 32,061,068 km (0.107 R)
• M13: 36,806,013 km (0.101 R)
• M14: 40,216,396 km (0.086 R)
• M15: 41,306,665 km (0.09 R)
• M16: 41,582,224 km (0.106 R)
• M17: 42,416,382 km (0.098 R)
• M18: 52,019,967 km (0.098 R)
• M19: 52,502,570 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.9

Radius: 6.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.29 AU - 11.91 AU

Year: 20725 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,100,612 km

• M1: 79,586 km (0.116 R)
• M2: 328,218 km (0.056 R)
• M3: 852,558 km (0.089 R)
• M4: 1,070,971 km (0.109 R)
• M5: 1,993,691 km (0.093 R)
• M6: 2,939,598 km (0.056 R)
• M7: 4,377,383 km (0.107 R)
• M8: 13,213,681 km (0.091 R)
• M9: 15,807,259 km (0.036 R)
• M10: 16,351,646 km (0.073 R)
• M11: 21,020,446 km (0.109 R)
• M12: 22,501,614 km (0.076 R)
• M13: 23,578,868 km (0.107 R)
• M14: 23,892,874 km (0.12 R)
• M15: 28,233,008 km (0.081 R)
• M16: 28,498,394 km (0.113 R)
• M17: 29,667,352 km (0.049 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 12,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit