🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.3

Radius: 13.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.5 AU - 0.62 AU

Year: 284 Days

Day: 13.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,369,383 km

• M1: 173,833 km (0.103 R)
• M2: 679,623 km (0.032 R)
• M3: 1,186,910 km (0.116 R)
• M4: 1,638,545 km (0.107 R)
• M5: 2,262,668 km (0.066 R)
• M6: 2,907,584 km (0.096 R)
• M7: 3,347,552 km (0.078 R)
• M8: 4,351,503 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 8

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.72 AU - 0.86 AU

Year: 476 Days

Day: 8.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,369,383 km

• M1: 99,483 km (0.047 R)
• M2: 352,004 km (0.09 R)
• M3: 644,168 km (0.085 R)
• M4: 895,493 km (0.085 R)
• M5: 1,357,301 km (0.095 R)
• M6: 1,708,408 km (0.083 R)
• M7: 2,068,789 km (0.105 R)
• M8: 2,724,626 km (0.098 R)
• M9: 3,007,964 km (0.075 R)
• M10: 3,733,963 km (0.108 R)
• M11: 4,777,258 km (0.082 R)
• M12: 5,035,165 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.4

Radius: 10.9

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.25 AU - 1.91 AU

Year: 1347 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,369,383 km

• M1: 135,536 km (0.093 R)
• M2: 582,534 km (0.091 R)
• M3: 1,028,336 km (0.085 R)
• M4: 1,861,297 km (0.116 R)
• M5: 2,455,051 km (0.06 R)
• M6: 2,894,719 km (0.069 R)
• M7: 3,595,585 km (0.082 R)
• M8: 3,986,484 km (0.05 R)
• M9: 6,100,152 km (0.072 R)
• M10: 6,886,888 km (0.082 R)
• M11: 7,439,053 km (0.099 R)
• M12: 9,882,585 km (0.066 R)
• M13: 10,620,102 km (0.097 R)
• M14: 11,905,447 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.1

Radius: 13

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.25 AU - 2.55 AU

Year: 2522 Days

Day: 13.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,369,383 km

• M1: 161,715 km (0.117 R)
• M2: 782,397 km (0.113 R)
• M3: 1,513,631 km (0.099 R)
• M4: 2,250,550 km (0.06 R)
• M5: 2,847,895 km (0.088 R)
• M6: 3,355,929 km (0.114 R)
• M7: 3,819,383 km (0.041 R)
• M8: 5,105,925 km (0.041 R)
• M9: 5,814,420 km (0.106 R)
• M10: 6,265,458 km (0.094 R)
• M11: 7,292,298 km (0.08 R)
• M12: 8,017,847 km (0.045 R)
• M13: 9,451,294 km (0.114 R)
• M14: 10,417,248 km (0.063 R)
• M15: 12,702,355 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.7

Radius: 13.1

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.41 AU - 3.31 AU

Year: 3281 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,369,383 km

• M1: 170,990 km (0.113 R)
• M2: 644,916 km (0.107 R)
• M3: 1,689,558 km (0.118 R)
• M4: 2,208,065 km (0.112 R)
• M5: 4,203,999 km (0.076 R)
• M6: 4,635,888 km (0.099 R)
• M7: 6,086,689 km (0.046 R)
• M8: 8,145,604 km (0.115 R)
• M9: 9,643,228 km (0.081 R)
• M10: 10,130,169 km (0.12 R)
• M11: 11,987,128 km (0.102 R)
• M12: 15,034,137 km (0.099 R)
• M13: 16,683,155 km (0.089 R)
• M14: 17,606,772 km (0.049 R)
• M15: 18,279,065 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 10.7

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.12 AU - 6.28 AU

Year: 8043 Days

Day: 7.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,369,383 km

• M1: 133,142 km (0.054 R)
• M2: 551,268 km (0.095 R)
• M3: 901,477 km (0.094 R)
• M4: 1,480,869 km (0.083 R)
• M5: 2,313,381 km (0.07 R)
• M6: 2,736,145 km (0.071 R)
• M7: 3,210,221 km (0.089 R)
• M8: 3,910,638 km (0.111 R)
• M9: 4,271,019 km (0.053 R)
• M10: 5,425,316 km (0.086 R)
• M11: 5,875,008 km (0.052 R)
• M12: 6,384,388 km (0.032 R)
• M13: 6,997,141 km (0.084 R)
• M14: 7,414,070 km (0.075 R)
• M15: 9,661,330 km (0.092 R)
• M16: 16,293,452 km (0.105 R)
• M17: 17,437,726 km (0.028 R)
• M18: 17,994,380 km (0.116 R)
• M19: 18,562,852 km (0.106 R)
• M20: 20,570,455 km (0.083 R)
• M21: 22,636,551 km (0.106 R)
• M22: 24,059,975 km (0.083 R)
• M23: 28,115,125 km (0.063 R)
• M24: 28,688,084 km (0.1 R)
• M25: 34,200,916 km (0.085 R)
• M26: 35,849,035 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.8

Radius: 9.2

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.52 AU - 6.46 AU

Year: 8725 Days

Day: 11.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,369,383 km

• M1: 114,442 km (0.058 R)
• M2: 647,011 km (0.03 R)
• M3: 1,559,109 km (0.06 R)
• M4: 2,306,051 km (0.045 R)
• M5: 3,418,311 km (0.04 R)
• M6: 3,948,037 km (0.109 R)
• M7: 8,317,642 km (0.115 R)
• M8: 9,470,144 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.2

Radius: 4

Gravity: 57.51 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.51 AU - 7.17 AU

Year: 9572 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 51,369,383 km

• M1: 49,816 km (0.12 R)
• M2: 430,243 km (0.119 R)
• M3: 626,516 km (0.109 R)
• M4: 1,037,611 km (0.113 R)
• M5: 1,944,772 km (0.11 R)
• M6: 2,734,499 km (0.099 R)
• M7: 2,887,987 km (0.101 R)
• M8: 3,070,646 km (0.073 R)
• M9: 3,285,169 km (0.103 R)
• M10: 4,101,674 km (0.077 R)
• M11: 4,274,011 km (0.115 R)
• M12: 4,481,204 km (0.113 R)
• M13: 5,242,957 km (0.059 R)
• M14: 6,857,417 km (0.12 R)
• M15: 7,018,833 km (0.096 R)
• M16: 7,518,340 km (0.082 R)
• M17: 8,311,658 km (0.076 R)
• M18: 8,966,148 km (0.109 R)
• M19: 9,454,137 km (0.056 R)
• M20: 9,603,884 km (0.084 R)
• M21: 10,914,511 km (0.051 R)
• M22: 11,246,020 km (0.047 R)
• M23: 15,623,403 km (0.105 R)
• M24: 17,129,555 km (0.029 R)
• M25: 17,577,002 km (0.11 R)
• M26: 18,032,228 km (0.069 R)
• M27: 18,651,414 km (0.106 R)
• M28: 19,687,529 km (0.071 R)
• M29: 21,527,433 km (0.095 R)
• M30: 25,933,240 km (0.106 R)
• M31: 30,575,860 km (0.069 R)
• M32: 31,344,494 km (0.083 R)
• M33: 32,464,683 km (0.058 R)
• M34: 38,341,485 km (0.034 R)
• M35: 41,196,112 km (0.042 R)
• M36: 42,403,516 km (0.096 R)
• M37: 44,328,392 km (0.081 R)
• M38: 45,738,502 km (0.091 R)
• M39: 50,451,134 km (0.042 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 17,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit