🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.45 AU - 0.59 AU

Year: 246 Days

Day: 35.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 14.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.51 AU - 4.13 AU

Year: 4898 Days

Day: 10.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,801,933 km

• M1: 182,509 km (0.08 R)
• M2: 1,035,516 km (0.069 R)
• M3: 1,764,357 km (0.076 R)
• M4: 3,291,303 km (0.099 R)
• M5: 4,481,354 km (0.053 R)
• M6: 5,388,964 km (0.09 R)
• M7: 6,392,766 km (0.111 R)
• M8: 11,552,696 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.6

Radius: 11.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.81 AU - 4.85 AU

Year: 5911 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,801,933 km

• M1: 144,811 km (0.102 R)
• M2: 529,876 km (0.088 R)
• M3: 1,647,970 km (0.106 R)
• M4: 2,736,295 km (0.049 R)
• M5: 3,258,541 km (0.097 R)
• M6: 5,409,309 km (0.074 R)
• M7: 6,140,245 km (0.077 R)
• M8: 6,935,956 km (0.099 R)
• M9: 7,724,636 km (0.043 R)
• M10: 8,179,413 km (0.073 R)
• M11: 10,727,663 km (0.088 R)
• M12: 12,957,120 km (0.068 R)
• M13: 24,416,168 km (0.109 R)
• M14: 25,149,945 km (0.088 R)
• M15: 25,982,607 km (0.095 R)
• M16: 27,790,647 km (0.103 R)
• M17: 29,773,417 km (0.034 R)
• M18: 32,626,697 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.2

Radius: 11.7

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.06 AU - 4.78 AU

Year: 6096 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,801,933 km

• M1: 145,858 km (0.115 R)
• M2: 511,625 km (0.119 R)
• M3: 1,021,903 km (0.102 R)
• M4: 1,386,473 km (0.12 R)
• M5: 1,979,479 km (0.083 R)
• M6: 2,630,080 km (0.059 R)
• M7: 3,460,947 km (0.115 R)
• M8: 4,535,359 km (0.105 R)
• M9: 5,463,464 km (0.077 R)
• M10: 6,003,811 km (0.113 R)
• M11: 7,440,250 km (0.061 R)
• M12: 8,729,335 km (0.106 R)
• M13: 9,469,396 km (0.113 R)
• M14: 10,206,315 km (0.043 R)
• M15: 11,074,730 km (0.094 R)
• M16: 16,662,211 km (0.066 R)
• M17: 17,479,464 km (0.076 R)
• M18: 19,058,320 km (0.084 R)
• M19: 24,125,349 km (0.071 R)
• M20: 24,765,479 km (0.071 R)
• M21: 27,095,466 km (0.087 R)
• M22: 28,668,487 km (0.061 R)
• M23: 29,659,124 km (0.062 R)
• M24: 30,765,849 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.6

Radius: 4.7

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.88 AU - 6.7 AU

Year: 10349 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,801,933 km

• M1: 58,493 km (0.095 R)
• M2: 322,982 km (0.116 R)
• M3: 588,518 km (0.049 R)
• M4: 1,098,497 km (0.105 R)
• M5: 1,520,214 km (0.084 R)
• M6: 1,768,097 km (0.051 R)
• M7: 2,160,193 km (0.057 R)
• M8: 2,474,199 km (0.095 R)
• M9: 3,134,674 km (0.076 R)
• M10: 3,392,581 km (0.067 R)
• M11: 4,087,911 km (0.059 R)
• M12: 5,084,981 km (0.089 R)
• M13: 6,234,192 km (0.117 R)
• M14: 7,304,714 km (0.115 R)
• M15: 8,082,923 km (0.08 R)
• M16: 8,530,071 km (0.113 R)
• M17: 11,060,967 km (0.098 R)
• M18: 11,893,928 km (0.035 R)
• M19: 12,521,043 km (0.114 R)
• M20: 12,718,213 km (0.058 R)
• M21: 14,211,199 km (0.104 R)
• M22: 14,372,017 km (0.058 R)
• M23: 15,475,451 km (0.074 R)
• M24: 18,606,534 km (0.112 R)
• M25: 18,928,170 km (0.118 R)
• M26: 21,565,431 km (0.118 R)
• M27: 22,351,268 km (0.075 R)
• M28: 24,055,936 km (0.091 R)
• M29: 24,823,373 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.4

Radius: 4.3

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.93 AU - 9.31 AU

Year: 15179 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,801,933 km

• M1: 53,406 km (0.055 R)
• M2: 332,706 km (0.074 R)
• M3: 878,738 km (0.033 R)
• M4: 2,108,432 km (0.114 R)
• M5: 2,809,897 km (0.11 R)
• M6: 3,109,242 km (0.076 R)
• M7: 4,905,913 km (0.067 R)
• M8: 11,925,793 km (0.052 R)
• M9: 13,578,999 km (0.107 R)
• M10: 13,859,196 km (0.077 R)
• M11: 17,595,103 km (0.068 R)
• M12: 21,042,736 km (0.092 R)
• M13: 25,419,221 km (0.06 R)
• M14: 31,719,685 km (0.05 R)
• M15: 32,312,093 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.3

Radius: 5.6

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.65 AU - 12.09 AU

Year: 20342 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,801,933 km

• M1: 70,012 km (0.088 R)
• M2: 517,758 km (0.054 R)
• M3: 818,899 km (0.1 R)
• M4: 1,015,770 km (0.094 R)
• M5: 2,033,185 km (0.079 R)
• M6: 2,630,828 km (0.07 R)
• M7: 3,089,794 km (0.054 R)
• M8: 3,547,265 km (0.064 R)
• M9: 4,048,567 km (0.09 R)
• M10: 6,494,343 km (0.063 R)
• M11: 10,705,074 km (0.108 R)
• M12: 12,169,488 km (0.076 R)
• M13: 13,238,364 km (0.096 R)
• M14: 16,071,150 km (0.06 R)
• M15: 24,328,204 km (0.101 R)
• M16: 26,017,762 km (0.091 R)
• M17: 26,735,533 km (0.068 R)
• M18: 28,750,616 km (0.109 R)
• M19: 30,186,307 km (0.068 R)
• M20: 36,153,916 km (0.06 R)
• M21: 41,182,050 km (0.028 R)
• M22: 43,431,703 km (0.119 R)
• M23: 56,597,961 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 15,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit