🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.65 AU - 0.91 AU

Year: 255 Days

Day: 31.4 Hours

Environment

Temp: 109 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.34 AU - 3.78 AU

Year: 1985 Days

Day: 28.9 Hours

Environment

Temp: -103 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.29 AU - 4.29 AU

Year: 3295 Days

Day: 43.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 79 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,664,226 km

• M1: 362,326 km (0.043 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.25 AU - 4.65 AU

Year: 3481 Days

Day: 28 Hours

Environment

Temp: -142 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,664,226 km

• M1: 138,827 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 10.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.77 AU - 6.75 AU

Year: 5809 Days

Day: 11.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,664,226 km

• M1: 125,961 km (0.117 R)
• M2: 596,596 km (0.103 R)
• M3: 959,970 km (0.101 R)
• M4: 1,484,759 km (0.058 R)
• M5: 3,004,075 km (0.068 R)
• M6: 3,321,522 km (0.09 R)
• M7: 3,765,977 km (0.067 R)
• M8: 4,295,703 km (0.066 R)
• M9: 5,531,980 km (0.085 R)
• M10: 7,219,144 km (0.095 R)
• M11: 7,724,037 km (0.096 R)
• M12: 8,288,320 km (0.11 R)
• M13: 8,617,735 km (0.053 R)
• M14: 8,994,123 km (0.119 R)
• M15: 11,042,866 km (0.118 R)
• M16: 12,459,109 km (0.108 R)
• M17: 12,989,733 km (0.116 R)
• M18: 13,535,316 km (0.091 R)
• M19: 14,619,302 km (0.118 R)
• M20: 15,984,084 km (0.073 R)
• M21: 17,791,974 km (0.078 R)
• M22: 22,651,960 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.5

Radius: 11.5

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.69 AU - 9.93 AU

Year: 10535 Days

Day: 6.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,664,226 km

• M1: 143,464 km (0.076 R)
• M2: 526,884 km (0.107 R)
• M3: 925,861 km (0.097 R)
• M4: 1,492,987 km (0.092 R)
• M5: 2,015,532 km (0.06 R)
• M6: 2,455,948 km (0.058 R)
• M7: 3,508,369 km (0.083 R)
• M8: 4,122,917 km (0.114 R)
• M9: 4,591,757 km (0.115 R)
• M10: 4,966,649 km (0.073 R)
• M11: 5,921,981 km (0.096 R)
• M12: 6,755,391 km (0.07 R)
• M13: 7,494,105 km (0.094 R)
• M14: 8,749,082 km (0.117 R)
• M15: 10,562,657 km (0.075 R)
• M16: 11,729,670 km (0.057 R)
• M17: 12,493,965 km (0.116 R)
• M18: 13,291,172 km (0.091 R)
• M19: 14,583,698 km (0.112 R)
• M20: 21,278,652 km (0.078 R)
• M21: 24,714,466 km (0.115 R)
• M22: 25,096,389 km (0.078 R)
• M23: 26,663,726 km (0.108 R)
• M24: 36,221,684 km (0.087 R)
• M25: 36,714,908 km (0.04 R)
• M26: 38,732,086 km (0.115 R)
• M27: 40,424,785 km (0.11 R)
• M28: 43,124,429 km (0.106 R)
• M29: 51,785,248 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 14.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.69 AU - 12.65 AU

Year: 12028 Days

Day: 6.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,664,226 km

• M1: 179,218 km (0.099 R)
• M2: 637,736 km (0.075 R)
• M3: 1,086,829 km (0.084 R)
• M4: 2,026,453 km (0.044 R)
• M5: 4,053,504 km (0.114 R)
• M6: 5,041,448 km (0.111 R)
• M7: 5,592,866 km (0.111 R)
• M8: 6,377,806 km (0.119 R)
• M9: 8,882,374 km (0.112 R)
• M10: 12,348,257 km (0.066 R)
• M11: 14,078,356 km (0.058 R)
• M12: 14,689,464 km (0.067 R)
• M13: 16,332,198 km (0.097 R)
• M14: 16,780,244 km (0.065 R)
• M15: 23,003,665 km (0.108 R)
• M16: 26,524,600 km (0.046 R)
• M17: 30,390,209 km (0.049 R)
• M18: 34,128,660 km (0.084 R)
• M19: 35,606,388 km (0.108 R)
• M20: 36,361,109 km (0.092 R)
• M21: 39,086,632 km (0.088 R)
• M22: 41,252,810 km (0.071 R)
• M23: 44,796,035 km (0.106 R)
• M24: 46,119,677 km (0.06 R)
• M25: 48,383,691 km (0.115 R)
• M26: 52,482,075 km (0.115 R)
• M27: 55,619,441 km (0.102 R)
• M28: 56,977,191 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 17,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit