🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.92 AU - 1.22 AU

Year: 408 Days

Day: 37.5 Hours

Environment

Temp: 6 °C

Axial Tilt: 3.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 115,047,789 km

• M1: 417,677 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.98 AU - 2.04 AU

Year: 1051 Days

Day: 12.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,047,789 km

• M1: 105,018 km (0.091 R)

Asteroid Belt

Center: 3.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22

Radius: 12.6

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.8 AU - 5.52 AU

Year: 3712 Days

Day: 10.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 115,047,789 km

• M1: 160,668 km (0.117 R)
• M2: 822,639 km (0.054 R)
• M3: 1,234,781 km (0.09 R)
• M4: 1,907,223 km (0.099 R)
• M5: 2,343,899 km (0.062 R)
• M6: 4,393,390 km (0.062 R)
• M7: 6,045,400 km (0.11 R)
• M8: 6,873,873 km (0.055 R)
• M9: 7,572,046 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.6

Radius: 13.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.32 AU - 6.34 AU

Year: 5876 Days

Day: 14 Hours

Environment

Temp: -145 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 115,047,789 km

• M1: 168,597 km (0.078 R)
• M2: 1,125,574 km (0.095 R)
• M3: 1,736,981 km (0.106 R)
• M4: 2,432,461 km (0.108 R)
• M5: 4,950,194 km (0.089 R)
• M6: 6,779,476 km (0.106 R)
• M7: 9,476,876 km (0.112 R)
• M8: 11,824,365 km (0.092 R)
• M9: 14,204,318 km (0.111 R)
• M10: 15,624,002 km (0.077 R)
• M11: 16,580,979 km (0.083 R)
• M12: 18,744,164 km (0.103 R)
• M13: 21,668,653 km (0.054 R)
• M14: 22,482,166 km (0.039 R)
• M15: 26,690,803 km (0.049 R)
• M16: 31,397,751 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.6

Radius: 11.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.6 AU - 7.68 AU

Year: 6313 Days

Day: 9.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 113.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 115,047,789 km

• M1: 148,251 km (0.104 R)
• M2: 552,166 km (0.113 R)
• M3: 1,381,088 km (0.067 R)
• M4: 1,865,785 km (0.095 R)
• M5: 3,089,794 km (0.093 R)
• M6: 4,417,625 km (0.085 R)
• M7: 5,264,050 km (0.096 R)
• M8: 5,827,884 km (0.087 R)
• M9: 7,110,088 km (0.074 R)
• M10: 8,051,956 km (0.057 R)
• M11: 9,354,056 km (0.104 R)
• M12: 11,060,070 km (0.063 R)
• M13: 11,517,241 km (0.089 R)
• M14: 12,178,463 km (0.032 R)
• M15: 13,065,579 km (0.114 R)
• M16: 14,261,315 km (0.111 R)
• M17: 16,869,553 km (0.067 R)
• M18: 18,349,525 km (0.096 R)
• M19: 23,085,644 km (0.098 R)
• M20: 24,752,314 km (0.096 R)
• M21: 25,774,068 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.6

Radius: 13.1

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.5 AU - 7.38 AU

Year: 6746 Days

Day: 8.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 115,047,789 km

• M1: 163,361 km (0.037 R)
• M2: 704,008 km (0.072 R)
• M3: 1,155,494 km (0.119 R)
• M4: 1,902,436 km (0.105 R)
• M5: 2,350,781 km (0.089 R)
• M6: 3,282,476 km (0.095 R)
• M7: 3,754,458 km (0.071 R)
• M8: 4,979,216 km (0.113 R)
• M9: 5,631,761 km (0.106 R)
• M10: 7,108,292 km (0.119 R)
• M11: 9,673,447 km (0.113 R)
• M12: 12,940,814 km (0.085 R)
• M13: 14,975,196 km (0.112 R)
• M14: 18,590,677 km (0.053 R)
• M15: 21,560,195 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.3

Radius: 5

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 14.47 AU - 22.87 AU

Year: 29764 Days

Day: 15.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 115,047,789 km

• M1: 74,649 km (0.108 R)
• M2: 270,174 km (0.105 R)
• M3: 798,553 km (0.04 R)
• M4: 1,787,246 km (0.047 R)
• M5: 7,464,335 km (0.118 R)
• M6: 9,073,410 km (0.047 R)
• M7: 9,884,829 km (0.109 R)
• M8: 12,666,452 km (0.089 R)
• M9: 16,965,147 km (0.053 R)
• M10: 19,324,006 km (0.098 R)
• M11: 21,148,501 km (0.066 R)
• M12: 25,504,642 km (0.097 R)
• M13: 26,252,930 km (0.107 R)
• M14: 35,704,823 km (0.117 R)
• M15: 36,170,671 km (0.051 R)
• M16: 36,877,222 km (0.1 R)
• M17: 44,053,431 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.2

Radius: 5.8

Gravity: 29.41 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 17.99 AU - 20.33 AU

Year: 30944 Days

Day: 17.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 115,047,789 km

• M1: 72,256 km (0.095 R)
• M2: 302,188 km (0.078 R)
• M3: 543,040 km (0.091 R)
• M4: 885,919 km (0.047 R)
• M5: 2,023,760 km (0.074 R)
• M6: 2,964,132 km (0.086 R)
• M7: 3,398,864 km (0.076 R)
• M8: 3,665,746 km (0.07 R)
• M9: 4,317,694 km (0.102 R)
• M10: 5,216,029 km (0.071 R)
• M11: 6,135,308 km (0.053 R)
• M12: 6,331,431 km (0.076 R)
• M13: 8,774,214 km (0.097 R)
• M14: 9,023,444 km (0.044 R)
• M15: 11,409,979 km (0.093 R)
• M16: 11,707,081 km (0.032 R)
• M17: 12,867,212 km (0.088 R)
• M18: 14,017,171 km (0.112 R)
• M19: 18,277,419 km (0.106 R)
• M20: 23,208,614 km (0.096 R)
• M21: 26,426,913 km (0.109 R)
• M22: 28,007,863 km (0.066 R)
• M23: 31,647,280 km (0.083 R)
• M24: 32,381,656 km (0.09 R)
• M25: 34,652,552 km (0.053 R)
• M26: 37,678,617 km (0.091 R)
• M27: 40,703,785 km (0.064 R)
• M28: 46,474,374 km (0.1 R)
• M29: 50,146,253 km (0.102 R)
• M30: 56,330,181 km (0.066 R)
• M31: 66,768,821 km (0.05 R)
• M32: 67,975,627 km (0.107 R)
• M33: 76,833,018 km (0.081 R)
• M34: 87,286,917 km (0.11 R)
• M35: 94,657,604 km (0.053 R)
• M36: 99,586,255 km (0.114 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: 497 - 12,278 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit