🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.94 AU - 1.2 AU

Year: 391 Days

Day: 14.7 Hours

Environment

Temp: 36 °C

Axial Tilt: 43.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.22 AU - 2.58 AU

Year: 1313 Days

Day: 24.9 Hours

Environment

Temp: -75 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873

Radius: 14.3

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.96 AU - 7.62 AU

Year: 5570 Days

Day: 13.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 93,247,035 km

• M1: 178,321 km (0.056 R)
• M2: 686,355 km (0.111 R)
• M3: 1,220,719 km (0.07 R)
• M4: 2,068,490 km (0.118 R)
• M5: 2,608,089 km (0.077 R)
• M6: 3,475,159 km (0.096 R)
• M7: 4,712,782 km (0.061 R)
• M8: 6,325,148 km (0.079 R)
• M9: 6,902,147 km (0.072 R)
• M10: 7,440,400 km (0.078 R)
• M11: 8,280,541 km (0.054 R)
• M12: 9,397,140 km (0.103 R)
• M13: 11,379,760 km (0.111 R)
• M14: 12,548,120 km (0.119 R)
• M15: 13,243,152 km (0.115 R)
• M16: 14,076,860 km (0.025 R)
• M17: 15,182,837 km (0.079 R)
• M18: 18,032,976 km (0.098 R)
• M19: 20,192,870 km (0.098 R)
• M20: 21,523,543 km (0.069 R)
• M21: 22,833,273 km (0.073 R)
• M22: 25,021,590 km (0.1 R)
• M23: 27,702,982 km (0.057 R)
• M24: 30,762,109 km (0.076 R)
• M25: 31,536,278 km (0.111 R)
• M26: 32,622,060 km (0.067 R)
• M27: 34,868,272 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.5

Radius: 13.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.54 AU - 8.12 AU

Year: 6303 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,247,035 km

• M1: 174,132 km (0.099 R)
• M2: 1,166,714 km (0.089 R)
• M3: 1,945,221 km (0.077 R)
• M4: 2,368,433 km (0.096 R)
• M5: 2,802,567 km (0.115 R)
• M6: 3,406,194 km (0.118 R)
• M7: 5,003,002 km (0.073 R)
• M8: 5,896,101 km (0.115 R)
• M9: 7,249,064 km (0.107 R)
• M10: 8,799,945 km (0.105 R)
• M11: 9,855,358 km (0.119 R)
• M12: 10,690,114 km (0.119 R)
• M13: 11,617,023 km (0.061 R)
• M14: 14,827,393 km (0.117 R)
• M15: 16,092,991 km (0.085 R)
• M16: 17,850,317 km (0.09 R)
• M17: 19,281,969 km (0.081 R)
• M18: 20,388,245 km (0.091 R)
• M19: 22,091,566 km (0.066 R)
• M20: 24,633,085 km (0.066 R)
• M21: 25,547,726 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 12.6

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 10.34 AU - 10.38 AU

Year: 11774 Days

Day: 6.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 93,247,035 km

• M1: 156,779 km (0.044 R)
• M2: 549,024 km (0.116 R)
• M3: 1,337,555 km (0.12 R)
• M4: 2,948,275 km (0.118 R)
• M5: 3,643,307 km (0.088 R)
• M6: 5,129,262 km (0.067 R)
• M7: 5,882,487 km (0.11 R)
• M8: 7,782,081 km (0.038 R)
• M9: 8,590,359 km (0.037 R)
• M10: 9,159,878 km (0.104 R)
• M11: 11,982,191 km (0.11 R)
• M12: 12,513,413 km (0.116 R)
• M13: 14,267,149 km (0.078 R)
• M14: 15,616,671 km (0.1 R)
• M15: 17,049,370 km (0.05 R)
• M16: 20,092,789 km (0.073 R)
• M17: 20,591,100 km (0.049 R)
• M18: 24,502,037 km (0.112 R)
• M19: 25,746,093 km (0.031 R)
• M20: 27,844,203 km (0.111 R)
• M21: 28,672,825 km (0.104 R)
• M22: 29,304,876 km (0.096 R)
• M23: 32,949,081 km (0.085 R)
• M24: 34,701,171 km (0.057 R)
• M25: 42,879,238 km (0.1 R)
• M26: 44,123,443 km (0.043 R)
• M27: 47,853,217 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 9.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 11.37 AU - 12.49 AU

Year: 14550 Days

Day: 13.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 93,247,035 km

• M1: 115,789 km (0.101 R)
• M2: 498,311 km (0.119 R)
• M3: 986,897 km (0.041 R)
• M4: 1,563,597 km (0.104 R)
• M5: 2,369,032 km (0.056 R)
• M6: 2,959,345 km (0.114 R)
• M7: 3,452,270 km (0.072 R)
• M8: 4,348,661 km (0.099 R)
• M9: 4,747,937 km (0.083 R)
• M10: 5,392,704 km (0.066 R)
• M11: 6,306,149 km (0.055 R)
• M12: 7,761,886 km (0.11 R)
• M13: 9,665,668 km (0.083 R)
• M14: 11,698,553 km (0.082 R)
• M15: 13,638,090 km (0.107 R)
• M16: 14,621,097 km (0.045 R)
• M17: 17,781,951 km (0.117 R)
• M18: 20,022,029 km (0.097 R)
• M19: 20,491,617 km (0.096 R)
• M20: 28,446,634 km (0.108 R)
• M21: 29,541,241 km (0.098 R)
• M22: 30,560,601 km (0.068 R)
• M23: 37,409,640 km (0.11 R)
• M24: 41,949,038 km (0.11 R)
• M25: 43,106,178 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.1

Radius: 3

Gravity: 105.68 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 15.58 AU - 18.28 AU

Year: 24597 Days

Day: 18 Hours

Environment

Temp: -190 °C

Axial Tilt: 113.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 93,247,035 km

• M1: 49,517 km (0.106 R)
• M2: 1,191,697 km (0.12 R)
• M3: 1,652,308 km (0.044 R)
• M4: 2,198,490 km (0.032 R)
• M5: 2,462,381 km (0.114 R)
• M6: 2,641,001 km (0.079 R)
• M7: 3,350,244 km (0.094 R)
• M8: 4,002,341 km (0.108 R)
• M9: 4,395,036 km (0.097 R)
• M10: 7,100,065 km (0.068 R)
• M11: 15,460,042 km (0.094 R)
• M12: 18,361,792 km (0.112 R)
• M13: 19,838,922 km (0.106 R)
• M14: 22,363,834 km (0.094 R)
• M15: 24,046,063 km (0.085 R)
• M16: 25,931,445 km (0.07 R)
• M17: 26,052,469 km (0.098 R)
• M18: 30,394,248 km (0.079 R)
• M19: 40,150,423 km (0.055 R)
• M20: 45,026,416 km (0.036 R)
• M21: 49,720,348 km (0.077 R)
• M22: 54,730,082 km (0.091 R)
• M23: 69,866,544 km (0.041 R)
• M24: 70,571,150 km (0.099 R)
• M25: 89,484,510 km (0.046 R)
• M26: 91,431,077 km (0.103 R)
• M27: 96,565,426 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.5

Radius: 5.5

Gravity: 18.03 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 16.15 AU - 22.85 AU

Year: 30405 Days

Day: 15.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 148.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,247,035 km

• M1: 68,665 km (0.119 R)
• M2: 479,461 km (0.051 R)
• M3: 748,737 km (0.107 R)
• M4: 1,202,168 km (0.052 R)
• M5: 2,027,500 km (0.119 R)
• M6: 2,925,686 km (0.106 R)
• M7: 3,267,068 km (0.059 R)
• M8: 3,894,631 km (0.069 R)
• M9: 10,632,968 km (0.082 R)
• M10: 11,997,450 km (0.099 R)
• M11: 18,627,478 km (0.089 R)
• M12: 24,955,468 km (0.088 R)
• M13: 26,856,857 km (0.091 R)
• M14: 38,908,312 km (0.101 R)
• M15: 39,851,676 km (0.075 R)
• M16: 40,649,481 km (0.117 R)
• M17: 42,112,249 km (0.064 R)
• M18: 47,063,789 km (0.061 R)
• M19: 52,199,634 km (0.085 R)
• M20: 91,028,659 km (0.071 R)
• M21: 91,579,927 km (0.06 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 10,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit