🌌 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: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.45 AU - 0.71 AU

Year: 285 Days

Day: 22.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,170,087 km

• M1: 152,440 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 11.7

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.85 AU - 0.91 AU

Year: 533 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,170,087 km

• M1: 145,559 km (0.105 R)
• M2: 673,938 km (0.1 R)
• M3: 1,062,594 km (0.112 R)
• M4: 1,502,262 km (0.113 R)
• M5: 2,451,610 km (0.117 R)
• M6: 2,966,227 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.9

Radius: 12.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.19 AU - 1.37 AU

Year: 935 Days

Day: 10.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,170,087 km

• M1: 158,873 km (0.097 R)
• M2: 659,278 km (0.054 R)
• M3: 1,066,334 km (0.106 R)
• M4: 1,587,682 km (0.102 R)
• M5: 2,113,818 km (0.093 R)
• M6: 2,589,240 km (0.091 R)
• M7: 3,537,840 km (0.093 R)
• M8: 4,003,837 km (0.116 R)
• M9: 6,812,238 km (0.113 R)
• M10: 7,379,813 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.4

Radius: 14.1

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.73 AU - 2.87 AU

Year: 3025 Days

Day: 12.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,170,087 km

• M1: 175,628 km (0.108 R)
• M2: 771,476 km (0.105 R)
• M3: 1,306,737 km (0.088 R)
• M4: 1,876,556 km (0.078 R)
• M5: 2,458,940 km (0.065 R)
• M6: 3,512,259 km (0.099 R)
• M7: 5,526,594 km (0.106 R)
• M8: 6,889,431 km (0.108 R)
• M9: 8,153,383 km (0.073 R)
• M10: 8,895,389 km (0.094 R)
• M11: 10,555,327 km (0.11 R)
• M12: 11,095,674 km (0.119 R)
• M13: 12,459,259 km (0.054 R)
• M14: 14,279,865 km (0.068 R)
• M15: 16,162,853 km (0.096 R)
• M16: 17,334,952 km (0.096 R)
• M17: 17,796,163 km (0.094 R)
• M18: 18,503,162 km (0.115 R)
• M19: 19,475,100 km (0.062 R)
• M20: 20,673,079 km (0.088 R)
• M21: 21,586,823 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.4

Radius: 4

Gravity: 59.9 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.97 AU - 6.69 AU

Year: 10283 Days

Day: 16.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,170,087 km

• M1: 52,060 km (0.098 R)
• M2: 178,171 km (0.113 R)
• M3: 322,533 km (0.054 R)
• M4: 547,977 km (0.113 R)
• M5: 902,374 km (0.119 R)
• M6: 1,184,516 km (0.039 R)
• M7: 1,312,871 km (0.091 R)
• M8: 1,804,450 km (0.099 R)
• M9: 1,940,284 km (0.111 R)
• M10: 2,251,747 km (0.091 R)
• M11: 2,769,206 km (0.092 R)
• M12: 3,212,465 km (0.057 R)
• M13: 3,515,999 km (0.107 R)
• M14: 4,268,326 km (0.075 R)
• M15: 5,787,792 km (0.062 R)
• M16: 6,198,438 km (0.117 R)
• M17: 6,588,290 km (0.12 R)
• M18: 7,634,279 km (0.078 R)
• M19: 7,945,891 km (0.079 R)
• M20: 8,405,755 km (0.103 R)
• M21: 9,227,945 km (0.09 R)
• M22: 9,428,855 km (0.032 R)
• M23: 10,315,671 km (0.077 R)
• M24: 10,974,350 km (0.107 R)
• M25: 12,193,573 km (0.11 R)
• M26: 13,117,788 km (0.07 R)
• M27: 14,556,471 km (0.086 R)
• M28: 15,313,885 km (0.071 R)
• M29: 17,588,970 km (0.109 R)
• M30: 18,606,534 km (0.04 R)
• M31: 24,768,171 km (0.041 R)
• M32: 30,690,452 km (0.088 R)
• M33: 31,250,995 km (0.054 R)
• M34: 31,818,270 km (0.102 R)
• M35: 35,982,925 km (0.063 R)
• M36: 43,237,674 km (0.036 R)
• M37: 52,198,736 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.5

Radius: 4.8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.44 AU - 13.46 AU

Year: 23396 Days

Day: 21.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,170,087 km

• M1: 60,288 km (0.05 R)
• M2: 264,938 km (0.108 R)
• M3: 431,291 km (0.083 R)
• M4: 1,372,560 km (0.088 R)
• M5: 1,844,243 km (0.094 R)
• M6: 4,155,978 km (0.113 R)
• M7: 5,601,543 km (0.108 R)
• M8: 6,323,502 km (0.057 R)
• M9: 6,746,116 km (0.089 R)
• M10: 7,105,600 km (0.11 R)
• M11: 7,269,409 km (0.119 R)
• M12: 9,193,986 km (0.114 R)
• M13: 9,735,979 km (0.083 R)
• M14: 10,562,058 km (0.111 R)
• M15: 11,433,765 km (0.07 R)
• M16: 12,176,668 km (0.093 R)
• M17: 12,470,628 km (0.114 R)
• M18: 13,257,513 km (0.058 R)
• M19: 20,613,539 km (0.114 R)
• M20: 22,670,361 km (0.031 R)
• M21: 23,295,081 km (0.1 R)
• M22: 23,566,302 km (0.056 R)
• M23: 24,299,930 km (0.11 R)
• M24: 26,493,633 km (0.113 R)
• M25: 27,993,352 km (0.062 R)
• M26: 30,293,868 km (0.111 R)
• M27: 33,860,431 km (0.051 R)
• M28: 36,468,520 km (0.089 R)
• M29: 37,449,134 km (0.085 R)
• M30: 43,568,136 km (0.083 R)
• M31: 45,090,444 km (0.116 R)
• M32: 46,934,986 km (0.095 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: 271 - 18,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit