🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.25 AU - 1.85 AU

Year: 705 Days

Day: 21.5 Hours

Environment

Temp: -40 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.6 AU - 2.22 AU

Year: 964 Days

Day: 16.8 Hours

Environment

Temp: -67 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,858,717 km

• M1: 56,997 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.9 AU - 3.26 AU

Year: 1974 Days

Day: 25.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.1

Radius: 10.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.64 AU - 6.4 AU

Year: 4737 Days

Day: 10.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 64.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,858,717 km

• M1: 128,056 km (0.064 R)
• M2: 501,153 km (0.045 R)
• M3: 1,968,558 km (0.07 R)
• M4: 4,744,796 km (0.107 R)
• M5: 5,096,201 km (0.115 R)
• M6: 6,065,146 km (0.095 R)
• M7: 7,122,504 km (0.118 R)
• M8: 8,399,023 km (0.074 R)
• M9: 10,278,870 km (0.111 R)
• M10: 11,776,943 km (0.096 R)
• M11: 13,277,260 km (0.082 R)
• M12: 13,694,937 km (0.095 R)
• M13: 17,303,836 km (0.089 R)
• M14: 17,970,893 km (0.058 R)
• M15: 18,828,538 km (0.039 R)
• M16: 19,833,237 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.5

Radius: 11.4

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.03 AU - 7.89 AU

Year: 6707 Days

Day: 6.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,858,717 km

• M1: 143,165 km (0.12 R)
• M2: 1,482,515 km (0.054 R)
• M3: 2,221,229 km (0.078 R)
• M4: 3,441,200 km (0.12 R)
• M5: 4,939,273 km (0.09 R)
• M6: 5,833,868 km (0.095 R)
• M7: 11,808,807 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.9

Radius: 9.1

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.21 AU - 9.17 AU

Year: 7789 Days

Day: 12.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,858,717 km

• M1: 113,246 km (0.091 R)
• M2: 624,721 km (0.098 R)
• M3: 950,246 km (0.099 R)
• M4: 1,803,851 km (0.092 R)
• M5: 2,416,903 km (0.087 R)
• M6: 2,724,925 km (0.05 R)
• M7: 3,162,649 km (0.102 R)
• M8: 4,333,701 km (0.09 R)
• M9: 5,192,093 km (0.064 R)
• M10: 5,677,389 km (0.099 R)
• M11: 6,126,631 km (0.095 R)
• M12: 6,809,396 km (0.12 R)
• M13: 7,353,932 km (0.111 R)
• M14: 9,034,365 km (0.08 R)
• M15: 9,425,264 km (0.12 R)
• M16: 12,117,278 km (0.11 R)
• M17: 13,191,690 km (0.111 R)
• M18: 13,638,688 km (0.033 R)
• M19: 16,027,617 km (0.099 R)
• M20: 16,665,801 km (0.112 R)
• M21: 17,520,603 km (0.044 R)
• M22: 17,992,884 km (0.084 R)
• M23: 18,822,254 km (0.105 R)
• M24: 23,193,654 km (0.061 R)
• M25: 23,517,832 km (0.064 R)
• M26: 24,676,917 km (0.119 R)
• M27: 26,134,898 km (0.032 R)
• M28: 28,197,703 km (0.062 R)
• M29: 32,644,948 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780

Radius: 10.2

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.83 AU - 10.17 AU

Year: 9051 Days

Day: 11.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,858,717 km

• M1: 126,859 km (0.097 R)
• M2: 1,077,254 km (0.1 R)
• M3: 1,586,785 km (0.086 R)
• M4: 2,112,322 km (0.112 R)
• M5: 2,531,346 km (0.119 R)
• M6: 3,538,289 km (0.085 R)
• M7: 4,242,895 km (0.109 R)
• M8: 4,732,828 km (0.083 R)
• M9: 5,895,652 km (0.1 R)
• M10: 7,080,766 km (0.109 R)
• M11: 12,602,424 km (0.086 R)
• M12: 14,238,277 km (0.116 R)
• M13: 14,684,527 km (0.088 R)
• M14: 15,009,005 km (0.1 R)
• M15: 17,706,703 km (0.104 R)
• M16: 19,131,324 km (0.098 R)
• M17: 21,451,138 km (0.035 R)
• M18: 28,009,808 km (0.068 R)
• M19: 30,991,144 km (0.072 R)
• M20: 31,957,845 km (0.1 R)
• M21: 34,177,878 km (0.063 R)
• M22: 38,675,687 km (0.06 R)
• M23: 39,171,006 km (0.111 R)
• M24: 39,796,026 km (0.091 R)
• M25: 40,809,850 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.1

Radius: 7.8

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 14.74 AU - 20.02 AU

Year: 26465 Days

Day: 24.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,858,717 km

• M1: 97,089 km (0.061 R)
• M2: 358,436 km (0.1 R)
• M3: 631,303 km (0.044 R)
• M4: 902,674 km (0.112 R)
• M5: 1,181,823 km (0.065 R)
• M6: 1,692,999 km (0.11 R)
• M7: 2,343,750 km (0.115 R)
• M8: 3,999,050 km (0.095 R)
• M9: 4,476,417 km (0.033 R)
• M10: 6,820,915 km (0.091 R)
• M11: 7,352,885 km (0.118 R)
• M12: 7,603,611 km (0.069 R)
• M13: 9,820,651 km (0.117 R)
• M14: 10,689,067 km (0.116 R)
• M15: 12,864,968 km (0.03 R)
• M16: 14,600,303 km (0.111 R)
• M17: 16,571,854 km (0.109 R)
• M18: 17,354,849 km (0.114 R)
• M19: 18,714,245 km (0.111 R)
• M20: 26,239,018 km (0.095 R)
• M21: 26,707,857 km (0.04 R)
• M22: 27,541,866 km (0.11 R)
• M23: 27,904,640 km (0.078 R)
• M24: 29,011,814 km (0.071 R)
• M25: 29,893,095 km (0.079 R)
• M26: 34,990,792 km (0.107 R)
• M27: 47,904,230 km (0.094 R)
• M28: 52,951,513 km (0.108 R)
• M29: 53,700,400 km (0.073 R)
• M30: 59,543,094 km (0.075 R)
• M31: 59,947,008 km (0.065 R)
• M32: 62,409,090 km (0.115 R)
• M33: 65,365,892 km (0.076 R)
• M34: 73,626,986 km (0.072 R)
• M35: 76,925,918 km (0.047 R)
• M36: 78,127,638 km (0.12 R)
• M37: 84,070,263 km (0.027 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 16,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit