🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.02 AU - 1.28 AU

Year: 453 Days

Day: 31.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 48,108,687 km

• M1: 49,218 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.63 AU - 2.39 AU

Year: 1046 Days

Day: 46.5 Hours

Environment

Temp: -63 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.64 AU - 2.66 AU

Year: 1157 Days

Day: 32.4 Hours

Environment

Temp: -81 °C

Axial Tilt: 64.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,108,687 km

• M1: 446,400 km (0.039 R)
• M2: 1,071,270 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.9 AU - 3.1 AU

Year: 1451 Days

Day: 30.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.95 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.1

Radius: 10.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.59 AU - 6.21 AU

Year: 4606 Days

Day: 9.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,108,687 km

• M1: 126,859 km (0.082 R)
• M2: 733,179 km (0.108 R)
• M3: 1,236,726 km (0.087 R)
• M4: 1,738,028 km (0.112 R)
• M5: 2,371,126 km (0.042 R)
• M6: 2,901,152 km (0.105 R)
• M7: 3,852,893 km (0.104 R)
• M8: 4,390,249 km (0.077 R)
• M9: 5,796,319 km (0.06 R)
• M10: 6,965,875 km (0.088 R)
• M11: 7,388,788 km (0.114 R)
• M12: 10,413,059 km (0.095 R)
• M13: 14,515,930 km (0.118 R)
• M14: 15,972,265 km (0.1 R)
• M15: 18,478,479 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.7

Radius: 9.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.31 AU - 8.51 AU

Year: 7405 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,108,687 km

• M1: 121,623 km (0.116 R)
• M2: 624,870 km (0.119 R)
• M3: 1,013,077 km (0.11 R)
• M4: 1,431,352 km (0.086 R)
• M5: 1,797,119 km (0.087 R)
• M6: 2,196,396 km (0.064 R)
• M7: 2,526,259 km (0.037 R)
• M8: 3,499,842 km (0.056 R)
• M9: 4,061,283 km (0.109 R)
• M10: 7,474,508 km (0.103 R)
• M11: 8,263,338 km (0.084 R)
• M12: 10,127,626 km (0.045 R)
• M13: 17,088,565 km (0.118 R)
• M14: 19,446,227 km (0.058 R)
• M15: 20,801,734 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.6

Radius: 14.7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.38 AU - 9.24 AU

Year: 8794 Days

Day: 11.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,108,687 km

• M1: 182,809 km (0.117 R)
• M2: 1,252,284 km (0.079 R)
• M3: 1,938,040 km (0.055 R)
• M4: 2,467,617 km (0.086 R)
• M5: 2,979,541 km (0.086 R)
• M6: 4,467,591 km (0.093 R)
• M7: 5,015,568 km (0.087 R)
• M8: 5,579,103 km (0.063 R)
• M9: 8,043,279 km (0.073 R)
• M10: 9,224,504 km (0.114 R)
• M11: 9,770,985 km (0.106 R)
• M12: 11,541,925 km (0.116 R)
• M13: 12,939,617 km (0.093 R)
• M14: 16,189,781 km (0.039 R)
• M15: 16,862,672 km (0.066 R)
• M16: 19,263,718 km (0.037 R)
• M17: 22,181,624 km (0.113 R)
• M18: 23,319,316 km (0.103 R)
• M19: 24,020,481 km (0.06 R)
• M20: 31,920,146 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199

Radius: 7.3

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 12.95 AU - 14.49 AU

Year: 18655 Days

Day: 20.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 97.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,108,687 km

• M1: 90,956 km (0.06 R)
• M2: 385,065 km (0.098 R)
• M3: 814,411 km (0.098 R)
• M4: 1,261,858 km (0.085 R)
• M5: 1,591,572 km (0.053 R)
• M6: 3,400,210 km (0.07 R)
• M7: 3,648,393 km (0.115 R)
• M8: 4,181,111 km (0.06 R)
• M9: 5,269,585 km (0.073 R)
• M10: 7,039,178 km (0.116 R)
• M11: 7,906,696 km (0.07 R)
• M12: 8,255,409 km (0.037 R)
• M13: 10,256,580 km (0.087 R)
• M14: 11,260,082 km (0.119 R)
• M15: 12,097,531 km (0.078 R)
• M16: 15,322,712 km (0.103 R)
• M17: 17,059,992 km (0.067 R)
• M18: 17,716,277 km (0.087 R)
• M19: 19,079,264 km (0.058 R)
• M20: 19,627,839 km (0.079 R)
• M21: 22,528,991 km (0.046 R)
• M22: 23,053,481 km (0.047 R)
• M23: 23,496,739 km (0.08 R)
• M24: 25,326,920 km (0.088 R)
• M25: 25,989,339 km (0.109 R)
• M26: 27,945,630 km (0.103 R)
• M27: 33,374,537 km (0.047 R)
• M28: 40,356,718 km (0.101 R)
• M29: 43,644,880 km (0.11 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 16,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit