🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.9

Radius: 10.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.65 AU - 0.81 AU

Year: 409 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,814,882 km

• M1: 127,158 km (0.088 R)
• M2: 502,649 km (0.088 R)
• M3: 849,118 km (0.096 R)
• M4: 1,184,815 km (0.078 R)
• M5: 1,638,246 km (0.097 R)
• M6: 1,992,644 km (0.039 R)
• M7: 2,848,942 km (0.119 R)
• M8: 3,612,789 km (0.102 R)
• M9: 4,062,480 km (0.079 R)
• M10: 4,662,816 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.5

Radius: 13.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.16 AU - 1.8 AU

Year: 1181 Days

Day: 6.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 92,814,882 km

• M1: 167,101 km (0.091 R)
• M2: 697,724 km (0.094 R)
• M3: 1,395,599 km (0.078 R)
• M4: 1,920,986 km (0.079 R)
• M5: 2,360,355 km (0.087 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.1

Radius: 7

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.8 AU - 9.18 AU

Year: 13447 Days

Day: 20.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,814,882 km

• M1: 87,066 km (0.082 R)
• M2: 450,738 km (0.096 R)
• M3: 718,967 km (0.109 R)
• M4: 1,094,458 km (0.063 R)
• M5: 1,334,712 km (0.119 R)
• M6: 1,770,790 km (0.089 R)
• M7: 2,719,689 km (0.095 R)
• M8: 4,610,606 km (0.067 R)
• M9: 5,281,403 km (0.113 R)
• M10: 5,677,239 km (0.111 R)
• M11: 6,487,461 km (0.11 R)
• M12: 8,335,593 km (0.101 R)
• M13: 8,872,351 km (0.117 R)
• M14: 10,509,101 km (0.101 R)
• M15: 10,790,794 km (0.042 R)
• M16: 14,026,446 km (0.027 R)
• M17: 15,571,343 km (0.104 R)
• M18: 18,338,605 km (0.059 R)
• M19: 20,793,506 km (0.05 R)
• M20: 28,033,444 km (0.102 R)
• M21: 29,793,314 km (0.106 R)
• M22: 39,301,156 km (0.098 R)
• M23: 46,752,177 km (0.099 R)
• M24: 58,899,973 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.2

Radius: 6.1

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.56 AU - 9.76 AU

Year: 16718 Days

Day: 20.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 92,814,882 km

• M1: 75,846 km (0.091 R)
• M2: 312,211 km (0.118 R)
• M3: 664,963 km (0.067 R)
• M4: 1,325,886 km (0.078 R)
• M5: 1,624,184 km (0.12 R)
• M6: 2,019,272 km (0.109 R)
• M7: 2,707,871 km (0.106 R)
• M8: 3,000,036 km (0.093 R)
• M9: 3,388,392 km (0.118 R)
• M10: 5,182,519 km (0.083 R)
• M11: 6,148,921 km (0.059 R)
• M12: 6,340,257 km (0.056 R)
• M13: 8,108,803 km (0.072 R)
• M14: 9,608,372 km (0.113 R)
• M15: 9,918,638 km (0.096 R)
• M16: 11,113,775 km (0.113 R)
• M17: 14,248,000 km (0.114 R)
• M18: 14,787,750 km (0.102 R)
• M19: 16,342,670 km (0.098 R)
• M20: 19,856,574 km (0.074 R)
• M21: 21,744,649 km (0.103 R)
• M22: 24,892,936 km (0.091 R)
• M23: 26,575,463 km (0.081 R)
• M24: 26,778,318 km (0.106 R)
• M25: 27,599,910 km (0.106 R)
• M26: 29,401,218 km (0.068 R)
• M27: 29,836,248 km (0.069 R)
• M28: 30,719,025 km (0.118 R)
• M29: 32,075,728 km (0.056 R)
• M30: 42,987,846 km (0.118 R)
• M31: 43,830,082 km (0.049 R)
• M32: 44,255,388 km (0.114 R)
• M33: 45,114,080 km (0.077 R)
• M34: 46,422,912 km (0.091 R)
• M35: 50,968,743 km (0.061 R)
• M36: 51,596,306 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946

Radius: 7.9

Gravity: 15.16 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 8.12 AU - 13.26 AU

Year: 22929 Days

Day: 18.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 92,814,882 km

• M1: 99,034 km (0.115 R)
• M2: 807,081 km (0.072 R)
• M3: 1,332,468 km (0.06 R)
• M4: 2,382,944 km (0.108 R)
• M5: 7,625,303 km (0.104 R)
• M6: 9,480,615 km (0.089 R)
• M7: 14,536,126 km (0.062 R)
• M8: 16,555,847 km (0.053 R)
• M9: 18,188,408 km (0.079 R)
• M10: 20,326,012 km (0.048 R)
• M11: 21,770,230 km (0.053 R)
• M12: 26,272,228 km (0.116 R)
• M13: 28,234,504 km (0.091 R)
• M14: 32,036,534 km (0.112 R)
• M15: 32,863,660 km (0.091 R)
• M16: 39,684,276 km (0.072 R)
• M17: 40,318,571 km (0.07 R)
• M18: 47,391,409 km (0.025 R)
• M19: 50,474,770 km (0.061 R)
• M20: 52,539,670 km (0.047 R)
• M21: 59,071,262 km (0.062 R)
• M22: 67,239,007 km (0.094 R)
• M23: 83,675,624 km (0.09 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 14,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit