🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.46 AU - 0.7 AU

Year: 155 Days

Day: 26.1 Hours

Environment

Temp: 178 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,833,409 km

• M1: 83,625 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.58 AU - 0.72 AU

Year: 183 Days

Day: 31.4 Hours

Environment

Temp: 181 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,833,409 km

• M1: 269,426 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.03 AU - 3.27 AU

Year: 1956 Days

Day: 41.1 Hours

Environment

Temp: -95 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,833,409 km

• M1: 222,602 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.66 AU - 6.36 AU

Year: 4525 Days

Day: 20.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.7

Radius: 9.2

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.14 AU - 7.28 AU

Year: 6773 Days

Day: 7.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,833,409 km

• M1: 114,442 km (0.085 R)
• M2: 466,297 km (0.115 R)
• M3: 1,106,276 km (0.11 R)
• M4: 1,574,069 km (0.044 R)
• M5: 2,393,416 km (0.099 R)
• M6: 2,690,368 km (0.093 R)
• M7: 3,427,437 km (0.088 R)
• M8: 3,856,035 km (0.054 R)
• M9: 4,428,097 km (0.117 R)
• M10: 5,548,286 km (0.042 R)
• M11: 5,972,097 km (0.074 R)
• M12: 7,297,085 km (0.106 R)
• M13: 9,431,248 km (0.062 R)
• M14: 12,058,187 km (0.083 R)
• M15: 14,703,676 km (0.035 R)
• M16: 15,200,191 km (0.071 R)
• M17: 18,489,698 km (0.105 R)
• M18: 20,568,062 km (0.057 R)
• M19: 21,663,567 km (0.12 R)
• M20: 24,141,356 km (0.053 R)
• M21: 24,832,798 km (0.054 R)
• M22: 28,680,904 km (0.075 R)
• M23: 29,164,105 km (0.096 R)
• M24: 30,345,629 km (0.111 R)
• M25: 35,613,718 km (0.102 R)
• M26: 36,849,247 km (0.049 R)
• M27: 37,420,262 km (0.061 R)
• M28: 38,697,229 km (0.088 R)
• M29: 40,123,196 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93

Radius: 10.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.52 AU - 9 AU

Year: 9071 Days

Day: 11.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,833,409 km

• M1: 138,827 km (0.065 R)
• M2: 483,201 km (0.08 R)
• M3: 816,804 km (0.091 R)
• M4: 1,362,837 km (0.085 R)
• M5: 1,907,373 km (0.101 R)
• M6: 9,320,845 km (0.092 R)
• M7: 11,108,689 km (0.093 R)
• M8: 12,061,328 km (0.044 R)
• M9: 13,447,053 km (0.099 R)
• M10: 14,427,967 km (0.099 R)
• M11: 17,485,598 km (0.031 R)
• M12: 18,180,480 km (0.08 R)
• M13: 18,833,474 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.5

Radius: 13.8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.15 AU - 10.51 AU

Year: 10782 Days

Day: 7.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,833,409 km

• M1: 171,589 km (0.063 R)
• M2: 655,837 km (0.116 R)
• M3: 1,467,256 km (0.111 R)
• M4: 2,003,564 km (0.085 R)
• M5: 4,605,969 km (0.112 R)
• M6: 5,423,222 km (0.08 R)
• M7: 5,921,981 km (0.068 R)
• M8: 6,451,259 km (0.032 R)
• M9: 8,511,072 km (0.119 R)
• M10: 10,922,290 km (0.112 R)
• M11: 14,286,148 km (0.097 R)
• M12: 15,172,366 km (0.102 R)
• M13: 16,606,860 km (0.082 R)
• M14: 17,509,982 km (0.05 R)
• M15: 19,827,851 km (0.119 R)
• M16: 21,103,772 km (0.111 R)
• M17: 21,984,454 km (0.093 R)
• M18: 24,773,856 km (0.056 R)
• M19: 25,555,804 km (0.094 R)
• M20: 26,963,819 km (0.107 R)
• M21: 36,895,622 km (0.078 R)
• M22: 40,682,692 km (0.103 R)
• M23: 45,154,172 km (0.112 R)
• M24: 46,468,539 km (0.098 R)
• M25: 48,867,940 km (0.114 R)
• M26: 49,788,715 km (0.049 R)
• M27: 51,348,871 km (0.066 R)
• M28: 53,912,529 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.2

Radius: 5.4

Gravity: 33.03 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 12.55 AU - 14.55 AU

Year: 17450 Days

Day: 18.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 97.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,833,409 km

• M1: 70,161 km (0.082 R)
• M2: 351,106 km (0.099 R)
• M3: 626,217 km (0.093 R)
• M4: 1,038,209 km (0.099 R)
• M5: 2,406,431 km (0.085 R)
• M6: 2,687,675 km (0.054 R)
• M7: 3,232,810 km (0.052 R)
• M8: 3,665,297 km (0.106 R)
• M9: 3,911,236 km (0.116 R)
• M10: 4,201,007 km (0.097 R)
• M11: 4,402,067 km (0.03 R)
• M12: 8,244,638 km (0.102 R)
• M13: 8,884,318 km (0.117 R)
• M14: 13,505,845 km (0.098 R)
• M15: 15,318,972 km (0.102 R)
• M16: 16,448,286 km (0.072 R)
• M17: 16,948,840 km (0.115 R)
• M18: 19,512,349 km (0.111 R)
• M19: 22,323,144 km (0.073 R)
• M20: 26,626,775 km (0.053 R)
• M21: 27,085,442 km (0.089 R)
• M22: 28,136,368 km (0.105 R)
• M23: 28,972,470 km (0.115 R)
• M24: 31,964,727 km (0.103 R)
• M25: 39,585,541 km (0.075 R)
• M26: 43,734,190 km (0.095 R)
• M27: 45,831,103 km (0.114 R)
• M28: 47,656,945 km (0.113 R)
• M29: 48,163,334 km (0.111 R)
• M30: 50,398,625 km (0.118 R)
• M31: 57,517,988 km (0.06 R)
• M32: 67,164,058 km (0.085 R)
• M33: 69,950,468 km (0.081 R)
• M34: 75,981,955 km (0.048 R)
• M35: 77,600,305 km (0.112 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 15,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit