🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.1

Radius: 8.4

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.51 AU - 0.53 AU

Year: 259 Days

Day: 7.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,456,429 km

• M1: 104,419 km (0.119 R)
• M2: 376,388 km (0.039 R)
• M3: 728,242 km (0.07 R)
• M4: 1,097,450 km (0.049 R)
• M5: 1,463,067 km (0.103 R)
• M6: 1,758,074 km (0.105 R)
• M7: 2,022,563 km (0.11 R)
• M8: 2,727,020 km (0.102 R)
• M9: 3,146,791 km (0.102 R)
• M10: 3,450,026 km (0.1 R)
• M11: 4,028,222 km (0.109 R)
• M12: 4,492,873 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296

Radius: 13.2

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.36 AU - 1.84 AU

Year: 1397 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,456,429 km

• M1: 164,258 km (0.119 R)
• M2: 619,186 km (0.111 R)
• M3: 2,972,360 km (0.065 R)
• M4: 4,019,844 km (0.114 R)
• M5: 4,839,940 km (0.1 R)
• M6: 6,415,654 km (0.114 R)
• M7: 7,536,591 km (0.076 R)
• M8: 8,030,115 km (0.103 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387

Radius: 3.2

Gravity: 37.79 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.92 AU - 6.12 AU

Year: 10195 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,456,429 km

• M1: 39,793 km (0.099 R)
• M2: 149,897 km (0.12 R)
• M3: 285,582 km (0.097 R)
• M4: 438,322 km (0.063 R)
• M5: 553,662 km (0.065 R)
• M6: 1,007,691 km (0.036 R)
• M7: 1,111,662 km (0.089 R)
• M8: 1,317,209 km (0.117 R)
• M9: 2,968,471 km (0.075 R)
• M10: 3,892,237 km (0.032 R)
• M11: 8,529,323 km (0.11 R)
• M12: 9,782,953 km (0.075 R)
• M13: 12,427,394 km (0.096 R)
• M14: 12,928,846 km (0.097 R)
• M15: 16,554,351 km (0.038 R)
• M16: 20,417,566 km (0.064 R)
• M17: 25,279,796 km (0.08 R)
• M18: 25,903,320 km (0.105 R)
• M19: 29,175,474 km (0.031 R)
• M20: 36,299,624 km (0.099 R)
• M21: 38,362,429 km (0.07 R)

Asteroid Belt

Center: 6.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.2

Radius: 6.9

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.65 AU - 7.31 AU

Year: 12729 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,456,429 km

• M1: 86,168 km (0.107 R)
• M2: 353,201 km (0.092 R)
• M3: 584,778 km (0.112 R)
• M4: 1,306,588 km (0.098 R)
• M5: 1,793,828 km (0.098 R)
• M6: 2,044,554 km (0.049 R)
• M7: 2,376,512 km (0.106 R)
• M8: 3,268,265 km (0.077 R)
• M9: 3,994,114 km (0.097 R)
• M10: 4,759,905 km (0.076 R)
• M11: 5,046,684 km (0.057 R)
• M12: 5,654,949 km (0.091 R)
• M13: 6,050,037 km (0.079 R)
• M14: 8,216,813 km (0.083 R)
• M15: 9,202,812 km (0.092 R)
• M16: 11,407,586 km (0.103 R)
• M17: 12,997,661 km (0.113 R)
• M18: 14,201,326 km (0.041 R)
• M19: 14,729,855 km (0.051 R)
• M20: 16,393,982 km (0.077 R)
• M21: 16,755,859 km (0.047 R)
• M22: 17,570,719 km (0.099 R)
• M23: 20,505,679 km (0.099 R)
• M24: 21,351,655 km (0.101 R)
• M25: 21,783,245 km (0.116 R)
• M26: 28,975,761 km (0.058 R)
• M27: 36,611,386 km (0.09 R)
• M28: 39,513,585 km (0.03 R)
• M29: 43,112,012 km (0.093 R)
• M30: 44,779,131 km (0.119 R)
• M31: 45,771,264 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.5

Radius: 3.2

Gravity: 89.99 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.33 AU - 9.17 AU

Year: 16357 Days

Day: 18 Hours

Environment

Temp: -243 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 73,456,429 km

• M1: 39,943 km (0.069 R)
• M2: 154,385 km (0.074 R)
• M3: 375,640 km (0.057 R)
• M4: 527,632 km (0.103 R)
• M5: 1,173,147 km (0.085 R)
• M6: 1,375,403 km (0.111 R)
• M7: 1,600,248 km (0.087 R)
• M8: 1,848,880 km (0.117 R)
• M9: 2,269,549 km (0.104 R)
• M10: 2,606,892 km (0.064 R)
• M11: 3,465,135 km (0.097 R)
• M12: 4,196,819 km (0.088 R)
• M13: 4,668,351 km (0.105 R)
• M14: 5,557,112 km (0.116 R)
• M15: 6,596,967 km (0.117 R)
• M16: 6,864,597 km (0.032 R)
• M17: 7,759,791 km (0.096 R)
• M18: 9,438,878 km (0.095 R)
• M19: 10,067,787 km (0.091 R)
• M20: 11,031,796 km (0.066 R)
• M21: 12,522,987 km (0.116 R)
• M22: 13,493,429 km (0.046 R)
• M23: 15,504,623 km (0.106 R)
• M24: 16,868,357 km (0.097 R)
• M25: 19,375,916 km (0.092 R)
• M26: 20,108,946 km (0.102 R)
• M27: 23,226,266 km (0.118 R)
• M28: 23,844,554 km (0.117 R)
• M29: 27,901,648 km (0.113 R)
• M30: 30,519,462 km (0.102 R)
• M31: 30,642,281 km (0.076 R)
• M32: 31,136,553 km (0.098 R)
• M33: 35,013,980 km (0.043 R)
• M34: 37,770,321 km (0.034 R)
• M35: 39,491,594 km (0.082 R)
• M36: 45,766,327 km (0.072 R)
• M37: 47,063,490 km (0.056 R)
• M38: 50,756,463 km (0.098 R)
• M39: 51,448,054 km (0.102 R)
• M40: 57,208,470 km (0.08 R)
• M41: 57,957,357 km (0.063 R)
• M42: 58,334,343 km (0.096 R)
• M43: 64,791,436 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 11,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit