🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.51 AU - 0.57 AU

Year: 252 Days

Day: 43.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,061,216 km

• M1: 43,383 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.9

Radius: 11.8

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.63 AU - 0.93 AU

Year: 438 Days

Day: 13.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,061,216 km

• M1: 146,756 km (0.115 R)
• M2: 685,757 km (0.076 R)
• M3: 1,178,233 km (0.117 R)
• M4: 1,631,514 km (0.116 R)
• M5: 2,062,057 km (0.089 R)
• M6: 2,628,734 km (0.091 R)
• M7: 3,381,061 km (0.075 R)
• M8: 4,021,939 km (0.09 R)
• M9: 4,473,575 km (0.095 R)
• M10: 5,037,858 km (0.046 R)
• M11: 5,445,811 km (0.103 R)
• M12: 5,875,606 km (0.116 R)
• M13: 6,309,589 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 14.5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.98 AU - 1.46 AU

Year: 857 Days

Day: 11.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,061,216 km

• M1: 180,565 km (0.108 R)
• M2: 690,993 km (0.039 R)
• M3: 1,192,145 km (0.111 R)
• M4: 1,887,177 km (0.107 R)
• M5: 2,373,819 km (0.056 R)
• M6: 3,376,873 km (0.111 R)
• M7: 4,090,305 km (0.102 R)
• M8: 4,553,161 km (0.096 R)
• M9: 5,151,552 km (0.116 R)
• M10: 5,949,956 km (0.1 R)
• M11: 7,376,521 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.1

Radius: 10.6

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.3 AU - 1.62 AU

Year: 1122 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,061,216 km

• M1: 131,796 km (0.115 R)
• M2: 648,357 km (0.081 R)
• M3: 1,856,210 km (0.086 R)
• M4: 2,335,971 km (0.063 R)
• M5: 2,786,260 km (0.098 R)
• M6: 3,629,992 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 11.9

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.67 AU - 6.37 AU

Year: 8246 Days

Day: 8.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,061,216 km

• M1: 147,952 km (0.099 R)
• M2: 535,710 km (0.099 R)
• M3: 972,087 km (0.113 R)
• M4: 1,906,176 km (0.05 R)
• M5: 2,793,142 km (0.097 R)
• M6: 3,782,133 km (0.073 R)
• M7: 4,428,396 km (0.109 R)
• M8: 5,838,207 km (0.065 R)
• M9: 6,703,032 km (0.111 R)
• M10: 8,114,787 km (0.074 R)
• M11: 9,191,742 km (0.116 R)
• M12: 10,010,491 km (0.071 R)
• M13: 12,072,249 km (0.077 R)
• M14: 12,527,924 km (0.081 R)
• M15: 13,473,831 km (0.109 R)
• M16: 14,530,292 km (0.06 R)
• M17: 15,978,399 km (0.106 R)
• M18: 16,948,840 km (0.073 R)
• M19: 17,665,713 km (0.08 R)
• M20: 18,627,777 km (0.117 R)
• M21: 21,975,329 km (0.114 R)
• M22: 23,087,888 km (0.079 R)
• M23: 24,058,330 km (0.054 R)
• M24: 25,798,302 km (0.108 R)
• M25: 27,620,554 km (0.118 R)
• M26: 28,513,205 km (0.097 R)
• M27: 29,017,200 km (0.084 R)
• M28: 30,881,488 km (0.037 R)
• M29: 37,190,928 km (0.051 R)
• M30: 42,713,782 km (0.106 R)
• M31: 44,714,953 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.1

Radius: 4.4

Gravity: 27.69 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.02 AU - 7.64 AU

Year: 11349 Days

Day: 19 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 48,061,216 km

• M1: 65,075 km (0.114 R)
• M2: 220,058 km (0.103 R)
• M3: 787,034 km (0.068 R)
• M4: 937,979 km (0.082 R)
• M5: 1,287,140 km (0.034 R)
• M6: 1,598,453 km (0.111 R)
• M7: 2,008,950 km (0.062 R)
• M8: 2,586,248 km (0.074 R)
• M9: 2,990,910 km (0.104 R)
• M10: 3,150,232 km (0.109 R)
• M11: 3,387,644 km (0.108 R)
• M12: 3,560,878 km (0.119 R)
• M13: 4,256,658 km (0.084 R)
• M14: 5,668,114 km (0.114 R)
• M15: 7,201,791 km (0.071 R)
• M16: 7,572,046 km (0.036 R)
• M17: 8,217,261 km (0.053 R)
• M18: 8,759,255 km (0.107 R)
• M19: 12,463,148 km (0.09 R)
• M20: 12,817,097 km (0.106 R)
• M21: 13,177,777 km (0.107 R)
• M22: 13,731,289 km (0.101 R)
• M23: 14,108,874 km (0.078 R)
• M24: 14,300,210 km (0.099 R)
• M25: 17,455,528 km (0.059 R)
• M26: 18,122,735 km (0.115 R)
• M27: 18,348,927 km (0.116 R)
• M28: 18,806,846 km (0.035 R)
• M29: 19,038,723 km (0.051 R)
• M30: 22,400,935 km (0.092 R)
• M31: 24,085,108 km (0.106 R)
• M32: 25,097,736 km (0.057 R)
• M33: 25,756,864 km (0.088 R)
• M34: 27,703,132 km (0.047 R)
• M35: 36,951,272 km (0.053 R)
• M36: 37,681,160 km (0.097 R)
• M37: 42,527,832 km (0.104 R)
• M38: 43,733,591 km (0.066 R)
• M39: 45,933,129 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 13,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit