🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 11.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.39 AU - 0.63 AU

Year: 247 Days

Day: 6.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,338,358 km

• M1: 144,212 km (0.074 R)
• M2: 535,560 km (0.086 R)
• M3: 1,008,439 km (0.089 R)
• M4: 1,397,394 km (0.113 R)
• M5: 1,923,230 km (0.102 R)
• M6: 2,553,037 km (0.076 R)
• M7: 2,988,367 km (0.066 R)
• M8: 3,657,369 km (0.091 R)
• M9: 4,093,147 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741

Radius: 11.2

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.43 AU - 0.67 AU

Year: 277 Days

Day: 8.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,338,358 km

• M1: 139,276 km (0.078 R)
• M2: 505,790 km (0.03 R)
• M3: 1,277,267 km (0.099 R)
• M4: 1,885,382 km (0.097 R)
• M5: 2,440,091 km (0.117 R)
• M6: 3,091,440 km (0.072 R)
• M7: 3,580,176 km (0.062 R)
• M8: 4,169,442 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.9

Radius: 9.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.09 AU - 1.19 AU

Year: 826 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,338,358 km

• M1: 219,161 km (0.106 R)
• M2: 701,614 km (0.038 R)
• M3: 1,250,937 km (0.093 R)
• M4: 2,794,488 km (0.074 R)
• M5: 3,185,238 km (0.078 R)
• M6: 3,532,006 km (0.1 R)
• M7: 4,048,268 km (0.095 R)
• M8: 4,487,487 km (0.068 R)
• M9: 5,284,545 km (0.105 R)
• M10: 6,632,721 km (0.106 R)
• M11: 7,008,211 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.7

Radius: 9.9

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.3 AU - 2.42 AU

Year: 2459 Days

Day: 11.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,338,358 km

• M1: 144,063 km (0.042 R)
• M2: 537,954 km (0.111 R)
• M3: 1,029,233 km (0.114 R)
• M4: 1,354,758 km (0.099 R)
• M5: 2,467,916 km (0.115 R)
• M6: 3,181,049 km (0.082 R)
• M7: 4,045,874 km (0.088 R)
• M8: 4,415,980 km (0.111 R)
• M9: 5,740,070 km (0.074 R)
• M10: 6,844,252 km (0.102 R)
• M11: 7,371,585 km (0.111 R)
• M12: 8,375,835 km (0.103 R)
• M13: 9,082,835 km (0.065 R)
• M14: 9,611,813 km (0.116 R)
• M15: 10,236,085 km (0.11 R)
• M16: 11,935,816 km (0.085 R)
• M17: 12,484,840 km (0.06 R)
• M18: 12,874,692 km (0.103 R)
• M19: 14,563,802 km (0.113 R)
• M20: 14,995,990 km (0.083 R)
• M21: 15,685,337 km (0.095 R)
• M22: 16,395,777 km (0.077 R)
• M23: 17,074,353 km (0.072 R)
• M24: 18,044,794 km (0.103 R)
• M25: 19,165,881 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.9

Radius: 9.1

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.56 AU - 3.5 AU

Year: 3577 Days

Day: 11.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 56.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,338,358 km

• M1: 113,246 km (0.095 R)
• M2: 528,679 km (0.111 R)
• M3: 862,282 km (0.117 R)
• M4: 1,201,121 km (0.106 R)
• M5: 1,497,175 km (0.043 R)
• M6: 2,040,665 km (0.116 R)
• M7: 2,881,255 km (0.076 R)
• M8: 3,421,004 km (0.1 R)
• M9: 4,045,126 km (0.118 R)
• M10: 4,621,677 km (0.096 R)
• M11: 5,819,806 km (0.03 R)
• M12: 6,428,071 km (0.106 R)
• M13: 8,061,081 km (0.074 R)
• M14: 8,448,540 km (0.09 R)
• M15: 10,192,402 km (0.114 R)
• M16: 11,517,989 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249

Radius: 3.8

Gravity: 17.24 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.79 AU - 7.07 AU

Year: 9794 Days

Day: 21.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,338,358 km

• M1: 47,423 km (0.115 R)
• M2: 170,242 km (0.087 R)
• M3: 329,115 km (0.111 R)
• M4: 827,127 km (0.104 R)
• M5: 1,203,814 km (0.056 R)
• M6: 1,726,210 km (0.036 R)
• M7: 2,472,703 km (0.098 R)
• M8: 2,744,672 km (0.091 R)
• M9: 3,680,856 km (0.088 R)
• M10: 8,154,580 km (0.052 R)
• M11: 8,511,670 km (0.054 R)
• M12: 9,910,410 km (0.112 R)
• M13: 11,018,930 km (0.101 R)
• M14: 11,652,777 km (0.055 R)
• M15: 11,852,490 km (0.098 R)
• M16: 12,727,338 km (0.099 R)
• M17: 13,207,398 km (0.085 R)
• M18: 17,491,731 km (0.11 R)
• M19: 17,687,854 km (0.05 R)
• M20: 18,896,455 km (0.104 R)
• M21: 21,104,819 km (0.091 R)
• M22: 22,463,018 km (0.103 R)
• M23: 23,006,507 km (0.048 R)
• M24: 25,687,450 km (0.073 R)
• M25: 25,856,346 km (0.083 R)
• M26: 26,025,990 km (0.087 R)
• M27: 28,388,889 km (0.12 R)
• M28: 29,024,081 km (0.109 R)
• M29: 30,795,769 km (0.096 R)
• M30: 32,048,801 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.6

Radius: 5.2

Gravity: 31.83 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.83 AU - 7.03 AU

Year: 11059 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 35,338,358 km

• M1: 64,626 km (0.065 R)
• M2: 326,572 km (0.051 R)
• M3: 1,201,121 km (0.062 R)
• M4: 1,663,229 km (0.047 R)
• M5: 1,943,725 km (0.103 R)
• M6: 3,192,867 km (0.104 R)
• M7: 4,128,602 km (0.112 R)
• M8: 4,305,726 km (0.11 R)
• M9: 5,337,502 km (0.057 R)
• M10: 6,022,960 km (0.117 R)
• M11: 6,367,334 km (0.092 R)
• M12: 6,564,355 km (0.071 R)
• M13: 7,787,916 km (0.072 R)
• M14: 8,429,990 km (0.091 R)
• M15: 8,715,722 km (0.046 R)
• M16: 9,458,176 km (0.104 R)
• M17: 9,714,886 km (0.104 R)
• M18: 10,242,069 km (0.077 R)
• M19: 10,458,238 km (0.03 R)
• M20: 11,938,209 km (0.11 R)
• M21: 14,958,291 km (0.038 R)
• M22: 18,451,252 km (0.11 R)
• M23: 23,652,321 km (0.09 R)
• M24: 25,286,229 km (0.039 R)
• M25: 25,980,363 km (0.076 R)
• M26: 27,718,989 km (0.118 R)
• M27: 30,973,491 km (0.104 R)
• M28: 31,539,569 km (0.087 R)
• M29: 35,820,612 km (0.089 R)
• M30: 37,329,605 km (0.054 R)
• M31: 39,406,622 km (0.059 R)
• M32: 43,365,281 km (0.111 R)
• M33: 43,931,210 km (0.102 R)
• M34: 46,539,449 km (0.055 R)
• M35: 51,269,883 km (0.041 R)
• M36: 52,861,754 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.3

Radius: 3.6

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.56 AU - 10.2 AU

Year: 19485 Days

Day: 18.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,338,358 km

• M1: 247,136 km (0.071 R)
• M2: 362,326 km (0.047 R)
• M3: 1,086,081 km (0.086 R)
• M4: 1,519,466 km (0.069 R)
• M5: 4,021,640 km (0.097 R)
• M6: 4,644,415 km (0.077 R)
• M7: 4,893,646 km (0.093 R)
• M8: 8,744,295 km (0.079 R)
• M9: 16,857,885 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 10,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit