🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.67 AU - 1.07 AU

Year: 340 Days

Day: 29.6 Hours

Environment

Temp: -31 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.86 AU - 1.04 AU

Year: 388 Days

Day: 23.1 Hours

Environment

Temp: -30 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.45 AU - 1.47 AU

Year: 739 Days

Day: 26 Hours

Environment

Temp: -76 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,961,361 km

• M1: 113,694 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.6 AU - 1.64 AU

Year: 864 Days

Day: 38.5 Hours

Environment

Temp: -100 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,961,361 km

• M1: 372,648 km (0.116 R)

Asteroid Belt

Center: 2.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.2

Radius: 8.7

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.46 AU - 3.54 AU

Year: 2177 Days

Day: 7.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,961,361 km

• M1: 108,159 km (0.104 R)
• M2: 453,132 km (0.084 R)
• M3: 744,399 km (0.072 R)
• M4: 1,158,785 km (0.089 R)
• M5: 1,661,584 km (0.087 R)
• M6: 2,402,991 km (0.078 R)
• M7: 3,639,118 km (0.12 R)
• M8: 4,122,169 km (0.048 R)
• M9: 4,807,926 km (0.112 R)
• M10: 5,197,180 km (0.1 R)
• M11: 5,790,036 km (0.051 R)
• M12: 6,081,602 km (0.102 R)
• M13: 6,383,192 km (0.085 R)
• M14: 7,790,309 km (0.099 R)
• M15: 8,809,220 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.8

Radius: 11.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.51 AU - 6.35 AU

Year: 5301 Days

Day: 12.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,961,361 km

• M1: 141,819 km (0.046 R)
• M2: 544,536 km (0.104 R)
• M3: 912,098 km (0.072 R)
• M4: 1,319,902 km (0.116 R)
• M5: 1,998,777 km (0.098 R)
• M6: 2,412,415 km (0.061 R)
• M7: 3,280,532 km (0.086 R)
• M8: 3,696,115 km (0.115 R)
• M9: 9,566,335 km (0.102 R)
• M10: 10,716,144 km (0.054 R)
• M11: 11,132,026 km (0.074 R)
• M12: 13,902,579 km (0.099 R)
• M13: 14,904,585 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.9

Radius: 8.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.64 AU - 7.06 AU

Year: 5928 Days

Day: 10 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,961,361 km

• M1: 110,702 km (0.088 R)
• M2: 393,442 km (0.112 R)
• M3: 721,660 km (0.115 R)
• M4: 3,286,815 km (0.116 R)
• M5: 4,869,859 km (0.112 R)
• M6: 5,864,087 km (0.089 R)
• M7: 8,587,367 km (0.078 R)
• M8: 10,452,553 km (0.096 R)
• M9: 11,291,647 km (0.114 R)
• M10: 13,649,011 km (0.087 R)
• M11: 15,284,414 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.3

Radius: 3.6

Gravity: 23.87 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.34 AU - 11.06 AU

Year: 14664 Days

Day: 15.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 35,961,361 km

• M1: 44,730 km (0.045 R)
• M2: 290,369 km (0.113 R)
• M3: 556,654 km (0.059 R)
• M4: 768,035 km (0.094 R)
• M5: 1,512,883 km (0.047 R)
• M6: 1,733,391 km (0.11 R)
• M7: 1,875,808 km (0.08 R)
• M8: 2,043,208 km (0.119 R)
• M9: 2,369,630 km (0.051 R)
• M10: 2,708,918 km (0.078 R)
• M11: 2,879,310 km (0.057 R)
• M12: 3,102,510 km (0.117 R)
• M13: 3,361,015 km (0.119 R)
• M14: 3,736,656 km (0.045 R)
• M15: 4,600,434 km (0.111 R)
• M16: 5,062,841 km (0.103 R)
• M17: 5,354,856 km (0.106 R)
• M18: 5,488,147 km (0.119 R)
• M19: 5,726,756 km (0.116 R)
• M20: 7,805,867 km (0.112 R)
• M21: 8,020,690 km (0.048 R)
• M22: 10,650,172 km (0.08 R)
• M23: 11,621,810 km (0.094 R)
• M24: 12,533,908 km (0.08 R)
• M25: 13,187,950 km (0.09 R)
• M26: 15,758,490 km (0.067 R)
• M27: 18,416,096 km (0.12 R)
• M28: 19,104,994 km (0.092 R)
• M29: 20,050,004 km (0.106 R)
• M30: 21,947,504 km (0.069 R)
• M31: 22,203,466 km (0.066 R)
• M32: 24,506,226 km (0.08 R)
• M33: 26,865,833 km (0.115 R)
• M34: 31,921,343 km (0.087 R)
• M35: 32,250,010 km (0.104 R)
• M36: 39,305,345 km (0.098 R)
• M37: 41,606,609 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.7

Radius: 6.3

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 14.72 AU - 16.9 AU

Year: 26338 Days

Day: 23.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 88.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,961,361 km

• M1: 187,745 km (0.118 R)
• M2: 3,458,404 km (0.079 R)
• M3: 4,404,161 km (0.079 R)
• M4: 6,346,241 km (0.052 R)
• M5: 11,261,877 km (0.046 R)
• M6: 13,415,937 km (0.07 R)
• M7: 19,935,562 km (0.109 R)
• M8: 22,663,928 km (0.049 R)
• M9: 35,319,309 km (0.085 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: 417 - 15,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit