🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.27 AU - 1.89 AU

Year: 701 Days

Day: 13.9 Hours

Environment

Temp: -37 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.54 AU - 5.66 AU

Year: 3484 Days

Day: 32.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 13

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 10.3 AU - 12.18 AU

Year: 13306 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,932,362 km

• M1: 161,715 km (0.092 R)
• M2: 781,649 km (0.091 R)
• M3: 2,428,422 km (0.032 R)
• M4: 2,962,636 km (0.092 R)
• M5: 3,395,423 km (0.084 R)
• M6: 4,573,357 km (0.085 R)
• M7: 7,992,117 km (0.12 R)
• M8: 11,740,441 km (0.098 R)
• M9: 13,536,363 km (0.109 R)
• M10: 17,979,121 km (0.077 R)
• M11: 19,348,989 km (0.079 R)
• M12: 21,845,029 km (0.076 R)
• M13: 23,686,878 km (0.072 R)
• M14: 24,742,889 km (0.114 R)
• M15: 55,310,671 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.8

Radius: 13

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8.99 AU - 14.17 AU

Year: 13914 Days

Day: 5.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,932,362 km

• M1: 161,715 km (0.102 R)
• M2: 649,853 km (0.115 R)
• M3: 1,256,024 km (0.111 R)
• M4: 2,543,313 km (0.109 R)
• M5: 3,468,427 km (0.113 R)
• M6: 4,124,413 km (0.087 R)
• M7: 4,701,263 km (0.11 R)
• M8: 5,506,548 km (0.054 R)
• M9: 5,980,025 km (0.102 R)
• M10: 6,480,580 km (0.04 R)
• M11: 7,391,930 km (0.098 R)
• M12: 7,923,900 km (0.118 R)
• M13: 9,469,096 km (0.116 R)
• M14: 12,030,362 km (0.115 R)
• M15: 13,340,989 km (0.098 R)
• M16: 16,541,785 km (0.114 R)
• M17: 18,002,009 km (0.119 R)
• M18: 21,354,797 km (0.09 R)
• M19: 21,891,255 km (0.079 R)
• M20: 22,620,694 km (0.096 R)
• M21: 24,127,893 km (0.092 R)
• M22: 31,286,749 km (0.078 R)
• M23: 33,755,264 km (0.119 R)
• M24: 38,415,985 km (0.069 R)
• M25: 45,519,640 km (0.087 R)
• M26: 47,461,121 km (0.112 R)
• M27: 52,636,759 km (0.026 R)
• M28: 53,781,033 km (0.071 R)
• M29: 56,628,928 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.2

Radius: 6.3

Gravity: 19 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 14.83 AU - 17.91 AU

Year: 23387 Days

Day: 23.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,932,362 km

• M1: 78,389 km (0.054 R)
• M2: 302,337 km (0.094 R)
• M3: 818,001 km (0.064 R)
• M4: 1,252,882 km (0.039 R)
• M5: 4,009,373 km (0.118 R)
• M6: 4,211,479 km (0.044 R)
• M7: 4,599,835 km (0.093 R)
• M8: 5,207,053 km (0.099 R)
• M9: 8,177,768 km (0.067 R)
• M10: 8,952,086 km (0.111 R)
• M11: 9,298,555 km (0.098 R)
• M12: 9,834,863 km (0.099 R)
• M13: 10,839,114 km (0.098 R)
• M14: 12,258,648 km (0.069 R)
• M15: 15,626,545 km (0.105 R)
• M16: 16,298,838 km (0.098 R)
• M17: 17,077,943 km (0.078 R)
• M18: 20,742,942 km (0.117 R)
• M19: 21,968,298 km (0.067 R)
• M20: 27,113,118 km (0.094 R)
• M21: 28,576,335 km (0.093 R)
• M22: 31,659,248 km (0.111 R)
• M23: 36,688,429 km (0.031 R)
• M24: 37,724,544 km (0.089 R)
• M25: 39,391,812 km (0.111 R)
• M26: 41,903,860 km (0.079 R)
• M27: 45,191,422 km (0.078 R)
• M28: 54,726,791 km (0.028 R)
• M29: 56,468,708 km (0.079 R)
• M30: 62,541,634 km (0.104 R)
• M31: 65,518,931 km (0.11 R)
• M32: 68,812,328 km (0.1 R)
• M33: 69,484,022 km (0.108 R)
• M34: 69,708,868 km (0.064 R)
• M35: 71,296,550 km (0.049 R)
• M36: 75,727,041 km (0.088 R)
• M37: 77,404,481 km (0.113 R)
• M38: 79,351,647 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.2

Radius: 7.1

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 16.02 AU - 17.22 AU

Year: 23925 Days

Day: 20.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,932,362 km

• M1: 88,412 km (0.055 R)
• M2: 804,986 km (0.117 R)
• M3: 1,378,993 km (0.071 R)
• M4: 1,678,039 km (0.118 R)
• M5: 2,054,876 km (0.031 R)
• M6: 9,192,939 km (0.059 R)
• M7: 9,588,775 km (0.05 R)
• M8: 10,844,649 km (0.088 R)
• M9: 13,300,298 km (0.117 R)
• M10: 20,256,449 km (0.072 R)
• M11: 20,589,903 km (0.097 R)
• M12: 22,135,399 km (0.059 R)
• M13: 24,408,239 km (0.102 R)
• M14: 25,263,191 km (0.112 R)
• M15: 25,649,453 km (0.08 R)
• M16: 26,433,944 km (0.039 R)
• M17: 27,335,421 km (0.084 R)
• M18: 31,368,430 km (0.045 R)
• M19: 33,992,825 km (0.114 R)
• M20: 34,345,577 km (0.087 R)
• M21: 38,008,780 km (0.102 R)
• M22: 42,601,734 km (0.073 R)
• M23: 49,182,843 km (0.093 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 14,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit