🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.5

Radius: 9.7

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.56 AU - 0.62 AU

Year: 302 Days

Day: 9.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,369,306 km

• M1: 121,174 km (0.088 R)
• M2: 441,314 km (0.117 R)
• M3: 759,359 km (0.081 R)
• M4: 1,207,853 km (0.086 R)
• M5: 1,787,695 km (0.112 R)
• M6: 2,483,474 km (0.109 R)
• M7: 2,851,784 km (0.115 R)
• M8: 3,194,812 km (0.104 R)
• M9: 3,988,429 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.6

Radius: 13.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.54 AU - 2.78 AU

Year: 2893 Days

Day: 12.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,369,306 km

• M1: 170,691 km (0.079 R)
• M2: 607,966 km (0.114 R)
• M3: 1,317,957 km (0.106 R)
• M4: 2,033,783 km (0.099 R)
• M5: 2,533,440 km (0.082 R)
• M6: 3,558,185 km (0.107 R)
• M7: 4,002,940 km (0.086 R)
• M8: 4,958,870 km (0.091 R)
• M9: 6,643,342 km (0.108 R)
• M10: 9,065,332 km (0.078 R)
• M11: 9,532,077 km (0.106 R)
• M12: 11,856,529 km (0.117 R)
• M13: 13,173,289 km (0.057 R)
• M14: 13,679,828 km (0.106 R)
• M15: 14,585,493 km (0.083 R)
• M16: 16,675,824 km (0.066 R)
• M17: 18,157,142 km (0.107 R)
• M18: 18,785,154 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.7

Radius: 12.5

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.6 AU - 6.14 AU

Year: 8298 Days

Day: 12.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,369,306 km

• M1: 155,432 km (0.053 R)
• M2: 556,205 km (0.066 R)
• M3: 1,010,683 km (0.049 R)
• M4: 1,404,425 km (0.061 R)
• M5: 2,354,670 km (0.07 R)
• M6: 2,860,461 km (0.09 R)
• M7: 3,796,794 km (0.088 R)
• M8: 5,707,159 km (0.098 R)
• M9: 7,914,176 km (0.083 R)
• M10: 10,934,707 km (0.116 R)
• M11: 11,408,932 km (0.071 R)
• M12: 11,807,162 km (0.115 R)
• M13: 12,678,420 km (0.099 R)
• M14: 14,191,303 km (0.104 R)
• M15: 16,095,534 km (0.095 R)
• M16: 16,766,630 km (0.104 R)
• M17: 17,282,144 km (0.091 R)
• M18: 18,344,888 km (0.111 R)
• M19: 20,665,599 km (0.107 R)
• M20: 21,325,176 km (0.064 R)
• M21: 22,895,206 km (0.111 R)
• M22: 23,458,891 km (0.065 R)
• M23: 24,467,779 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.1

Radius: 5.4

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.02 AU - 6.36 AU

Year: 10270 Days

Day: 23 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,369,306 km

• M1: 103,671 km (0.102 R)
• M2: 358,736 km (0.087 R)
• M3: 568,622 km (0.115 R)
• M4: 918,381 km (0.105 R)
• M5: 1,269,936 km (0.027 R)
• M6: 4,295,852 km (0.059 R)
• M7: 5,326,731 km (0.116 R)
• M8: 5,498,919 km (0.102 R)
• M9: 10,698,641 km (0.096 R)
• M10: 12,366,957 km (0.066 R)
• M11: 15,559,076 km (0.12 R)
• M12: 18,464,566 km (0.075 R)
• M13: 18,727,409 km (0.089 R)
• M14: 21,422,265 km (0.107 R)
• M15: 22,449,404 km (0.109 R)
• M16: 30,576,010 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.6

Radius: 7.6

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.51 AU - 9.11 AU

Year: 13180 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,369,306 km

• M1: 97,239 km (0.092 R)
• M2: 365,617 km (0.118 R)
• M3: 704,905 km (0.117 R)
• M4: 993,928 km (0.101 R)
• M5: 1,237,922 km (0.09 R)
• M6: 1,607,728 km (0.032 R)
• M7: 1,965,267 km (0.116 R)
• M8: 2,318,468 km (0.056 R)
• M9: 3,246,274 km (0.109 R)
• M10: 3,588,105 km (0.063 R)
• M11: 5,009,135 km (0.087 R)
• M12: 5,705,364 km (0.063 R)
• M13: 6,502,421 km (0.036 R)
• M14: 7,920,160 km (0.051 R)
• M15: 9,435,437 km (0.115 R)
• M16: 11,687,483 km (0.032 R)
• M17: 12,027,968 km (0.069 R)
• M18: 12,847,914 km (0.106 R)
• M19: 13,893,154 km (0.106 R)
• M20: 19,423,638 km (0.038 R)
• M21: 20,797,994 km (0.092 R)
• M22: 25,783,343 km (0.096 R)
• M23: 26,946,466 km (0.058 R)
• M24: 30,006,640 km (0.11 R)
• M25: 32,952,222 km (0.103 R)
• M26: 36,686,185 km (0.049 R)
• M27: 41,475,262 km (0.102 R)
• M28: 43,610,622 km (0.072 R)
• M29: 45,958,560 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.6

Radius: 4.2

Gravity: 43.63 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.52 AU - 10.34 AU

Year: 20867 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,369,306 km

• M1: 52,359 km (0.113 R)
• M2: 285,134 km (0.091 R)
• M3: 465,997 km (0.065 R)
• M4: 918,082 km (0.075 R)
• M5: 1,067,680 km (0.08 R)
• M6: 1,338,153 km (0.083 R)
• M7: 2,118,605 km (0.095 R)
• M8: 2,569,792 km (0.087 R)
• M9: 2,716,847 km (0.054 R)
• M10: 3,001,232 km (0.053 R)
• M11: 5,140,332 km (0.119 R)
• M12: 5,494,281 km (0.089 R)
• M13: 5,864,237 km (0.111 R)
• M14: 7,511,758 km (0.114 R)
• M15: 8,933,237 km (0.05 R)
• M16: 11,486,125 km (0.059 R)
• M17: 11,685,090 km (0.046 R)
• M18: 17,881,433 km (0.08 R)
• M19: 19,432,315 km (0.098 R)
• M20: 21,872,555 km (0.1 R)
• M21: 28,183,790 km (0.061 R)
• M22: 28,545,966 km (0.114 R)
• M23: 31,168,866 km (0.071 R)
• M24: 32,340,367 km (0.112 R)
• M25: 39,388,222 km (0.079 R)
• M26: 46,213,026 km (0.118 R)
• M27: 47,734,586 km (0.07 R)
• M28: 50,344,471 km (0.095 R)
• M29: 51,955,041 km (0.11 R)
• M30: 56,036,221 km (0.099 R)
• M31: 64,202,320 km (0.052 R)
• M32: 66,307,760 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 11,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit