🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.9 AU - 0.92 AU

Year: 315 Days

Day: 36.4 Hours

Environment

Temp: 136 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,675,438 km

• M1: 196,871 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.2 AU - 1.82 AU

Year: 674 Days

Day: 28.5 Hours

Environment

Temp: -26 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.49 AU - 4.33 AU

Year: 2810 Days

Day: 21.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.7

Radius: 9.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.5 AU - 7.48 AU

Year: 6009 Days

Day: 5.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,675,438 km

• M1: 121,773 km (0.091 R)
• M2: 448,794 km (0.089 R)
• M3: 849,417 km (0.051 R)
• M4: 1,302,848 km (0.074 R)
• M5: 2,100,205 km (0.09 R)
• M6: 4,946,753 km (0.108 R)
• M7: 5,383,878 km (0.107 R)
• M8: 5,818,460 km (0.078 R)
• M9: 6,666,231 km (0.037 R)
• M10: 8,715,273 km (0.091 R)
• M11: 9,586,980 km (0.058 R)
• M12: 9,943,471 km (0.118 R)
• M13: 10,980,334 km (0.085 R)
• M14: 11,458,898 km (0.075 R)
• M15: 12,318,038 km (0.095 R)
• M16: 13,074,256 km (0.104 R)
• M17: 13,513,176 km (0.111 R)
• M18: 17,095,297 km (0.111 R)
• M19: 17,561,444 km (0.088 R)
• M20: 19,072,981 km (0.028 R)
• M21: 20,538,441 km (0.094 R)
• M22: 22,146,319 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 12.3

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.65 AU - 9.29 AU

Year: 7420 Days

Day: 14.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,675,438 km

• M1: 155,432 km (0.075 R)
• M2: 545,284 km (0.082 R)
• M3: 1,082,939 km (0.093 R)
• M4: 1,500,467 km (0.098 R)
• M5: 2,303,358 km (0.051 R)
• M6: 4,119,177 km (0.049 R)
• M7: 5,336,156 km (0.103 R)
• M8: 7,740,194 km (0.109 R)
• M9: 8,390,197 km (0.107 R)
• M10: 8,993,674 km (0.094 R)
• M11: 13,082,483 km (0.111 R)
• M12: 17,809,028 km (0.055 R)
• M13: 33,054,846 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612

Radius: 10.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.27 AU - 9.37 AU

Year: 10341 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,675,438 km

• M1: 135,685 km (0.082 R)
• M2: 802,742 km (0.119 R)
• M3: 1,283,550 km (0.061 R)
• M4: 2,068,490 km (0.112 R)
• M5: 2,657,905 km (0.118 R)
• M6: 3,036,687 km (0.093 R)
• M7: 3,499,992 km (0.069 R)
• M8: 7,104,104 km (0.113 R)
• M9: 8,358,183 km (0.111 R)
• M10: 8,807,425 km (0.085 R)
• M11: 10,151,562 km (0.11 R)
• M12: 11,572,891 km (0.105 R)
• M13: 12,075,091 km (0.094 R)
• M14: 13,182,714 km (0.051 R)
• M15: 14,356,908 km (0.106 R)
• M16: 15,002,273 km (0.092 R)
• M17: 16,212,520 km (0.098 R)
• M18: 19,836,079 km (0.057 R)
• M19: 20,475,012 km (0.105 R)
• M20: 21,375,890 km (0.096 R)
• M21: 22,302,799 km (0.115 R)
• M22: 22,906,576 km (0.12 R)
• M23: 24,509,218 km (0.039 R)
• M24: 25,431,189 km (0.114 R)
• M25: 30,920,085 km (0.116 R)
• M26: 36,314,883 km (0.06 R)
• M27: 40,367,639 km (0.066 R)
• M28: 41,913,135 km (0.093 R)
• M29: 44,440,441 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197

Radius: 5

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 12.33 AU - 19.17 AU

Year: 22717 Days

Day: 16.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,675,438 km

• M1: 62,981 km (0.11 R)
• M2: 303,085 km (0.117 R)
• M3: 957,127 km (0.094 R)
• M4: 2,097,063 km (0.076 R)
• M5: 6,026,849 km (0.106 R)
• M6: 6,807,302 km (0.039 R)
• M7: 7,392,229 km (0.097 R)
• M8: 10,498,928 km (0.084 R)
• M9: 11,051,991 km (0.054 R)
• M10: 11,508,265 km (0.089 R)
• M11: 12,703,851 km (0.09 R)
• M12: 13,979,771 km (0.056 R)
• M13: 17,158,726 km (0.093 R)
• M14: 21,133,542 km (0.07 R)
• M15: 43,285,994 km (0.106 R)
• M16: 50,680,916 km (0.075 R)
• M17: 51,621,288 km (0.119 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 13,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit