🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.87 AU - 1.43 AU

Year: 431 Days

Day: 12.3 Hours

Environment

Temp: 26 °C

Axial Tilt: 13.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.82 AU - 2.6 AU

Year: 1149 Days

Day: 33.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,079,122 km

• M1: 720,613 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.26 AU - 3.3 AU

Year: 2078 Days

Day: 47.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,079,122 km

• M1: 87,216 km (0.05 R)
• M2: 381,624 km (0.051 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.87 AU - 4.95 AU

Year: 3806 Days

Day: 15.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.4

Radius: 12.4

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.74 AU - 11.84 AU

Year: 12400 Days

Day: 6.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,079,122 km

• M1: 160,519 km (0.068 R)
• M2: 666,309 km (0.096 R)
• M3: 1,261,858 km (0.093 R)
• M4: 1,784,553 km (0.063 R)
• M5: 2,255,337 km (0.098 R)
• M6: 2,657,157 km (0.117 R)
• M7: 3,107,148 km (0.101 R)
• M8: 4,133,539 km (0.069 R)
• M9: 7,097,521 km (0.105 R)
• M10: 8,341,128 km (0.108 R)
• M11: 9,881,687 km (0.058 R)
• M12: 10,417,098 km (0.087 R)
• M13: 12,880,227 km (0.12 R)
• M14: 14,518,174 km (0.034 R)
• M15: 16,587,711 km (0.102 R)
• M16: 17,421,869 km (0.065 R)
• M17: 18,204,266 km (0.102 R)
• M18: 19,338,816 km (0.119 R)
• M19: 20,779,144 km (0.074 R)
• M20: 23,212,054 km (0.096 R)
• M21: 25,132,592 km (0.12 R)
• M22: 26,334,611 km (0.104 R)
• M23: 27,679,645 km (0.093 R)
• M24: 30,731,292 km (0.026 R)
• M25: 31,873,472 km (0.032 R)
• M26: 34,364,127 km (0.056 R)
• M27: 38,404,616 km (0.088 R)
• M28: 39,729,604 km (0.062 R)
• M29: 48,326,545 km (0.068 R)
• M30: 51,606,329 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.9

Radius: 8.9

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 10.09 AU - 15.25 AU

Year: 15778 Days

Day: 9.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,079,122 km

• M1: 111,600 km (0.098 R)
• M2: 451,337 km (0.045 R)
• M3: 3,961,800 km (0.101 R)
• M4: 6,035,676 km (0.072 R)
• M5: 8,645,859 km (0.109 R)
• M6: 10,394,060 km (0.116 R)
• M7: 15,003,170 km (0.114 R)
• M8: 15,587,201 km (0.115 R)
• M9: 16,800,439 km (0.107 R)
• M10: 21,728,044 km (0.101 R)
• M11: 29,650,298 km (0.093 R)
• M12: 34,690,400 km (0.12 R)
• M13: 39,166,967 km (0.117 R)
• M14: 40,693,912 km (0.076 R)
• M15: 48,137,004 km (0.066 R)
• M16: 50,049,314 km (0.047 R)
• M17: 53,011,950 km (0.117 R)
• M18: 53,685,889 km (0.081 R)
• M19: 55,568,428 km (0.088 R)
• M20: 56,263,909 km (0.104 R)
• M21: 58,027,668 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.7

Radius: 3.5

Gravity: 39.24 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 15.41 AU - 17.63 AU

Year: 23490 Days

Day: 19.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,079,122 km

• M1: 91,404 km (0.097 R)
• M2: 201,359 km (0.076 R)
• M3: 381,475 km (0.099 R)
• M4: 770,429 km (0.072 R)
• M5: 1,083,388 km (0.054 R)
• M6: 1,712,596 km (0.102 R)
• M7: 1,935,796 km (0.116 R)
• M8: 3,853,940 km (0.055 R)
• M9: 11,498,541 km (0.039 R)
• M10: 14,196,090 km (0.114 R)
• M11: 17,371,754 km (0.09 R)
• M12: 21,572,761 km (0.115 R)
• M13: 22,166,066 km (0.109 R)
• M14: 30,280,703 km (0.113 R)
• M15: 32,034,290 km (0.104 R)
• M16: 32,547,560 km (0.063 R)
• M17: 54,518,999 km (0.08 R)
• M18: 63,125,664 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.2

Radius: 4.8

Gravity: 14.68 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 14.28 AU - 20.8 AU

Year: 25699 Days

Day: 23.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,079,122 km

• M1: 70,311 km (0.111 R)
• M2: 254,616 km (0.119 R)
• M3: 1,237,324 km (0.035 R)
• M4: 2,705,926 km (0.096 R)
• M5: 3,570,303 km (0.093 R)
• M6: 6,192,305 km (0.077 R)
• M7: 7,575,187 km (0.115 R)
• M8: 8,212,175 km (0.084 R)
• M9: 12,937,074 km (0.042 R)
• M10: 13,916,492 km (0.067 R)
• M11: 14,944,229 km (0.077 R)
• M12: 16,741,049 km (0.034 R)
• M13: 18,330,077 km (0.094 R)
• M14: 20,384,804 km (0.093 R)
• M15: 24,211,219 km (0.112 R)
• M16: 27,011,840 km (0.064 R)
• M17: 66,902,561 km (0.071 R)
• M18: 67,312,759 km (0.085 R)
• M19: 67,930,897 km (0.055 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 16,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit