🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.1

Radius: 8.4

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.8 AU - 0.84 AU

Year: 504 Days

Day: 14.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,172,434 km

• M1: 104,419 km (0.04 R)
• M2: 409,749 km (0.12 R)
• M3: 1,031,328 km (0.089 R)
• M4: 1,306,737 km (0.038 R)
• M5: 1,661,284 km (0.111 R)
• M6: 2,332,829 km (0.101 R)
• M7: 2,980,139 km (0.115 R)
• M8: 3,400,958 km (0.114 R)
• M9: 3,821,029 km (0.084 R)
• M10: 4,275,358 km (0.119 R)
• M11: 5,629,966 km (0.098 R)
• M12: 6,293,134 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.2

Radius: 8.5

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.93 AU - 1.07 AU

Year: 678 Days

Day: 13.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,172,434 km

• M1: 107,112 km (0.113 R)
• M2: 438,771 km (0.079 R)
• M3: 723,156 km (0.073 R)
• M4: 1,011,132 km (0.083 R)
• M5: 1,277,715 km (0.094 R)
• M6: 1,622,389 km (0.108 R)
• M7: 1,923,230 km (0.055 R)
• M8: 2,223,024 km (0.069 R)
• M9: 2,617,813 km (0.055 R)
• M10: 2,964,581 km (0.027 R)
• M11: 3,316,435 km (0.114 R)
• M12: 3,682,501 km (0.041 R)
• M13: 4,685,256 km (0.029 R)
• M14: 4,978,916 km (0.086 R)
• M15: 6,124,088 km (0.116 R)
• M16: 7,198,201 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.3

Radius: 11.2

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.19 AU - 1.67 AU

Year: 1160 Days

Day: 8.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,172,434 km

• M1: 139,276 km (0.117 R)
• M2: 525,537 km (0.029 R)
• M3: 1,007,841 km (0.119 R)
• M4: 1,377,946 km (0.113 R)
• M5: 2,088,237 km (0.077 R)
• M6: 3,142,004 km (0.081 R)
• M7: 3,563,272 km (0.109 R)
• M8: 4,073,700 km (0.12 R)
• M9: 4,632,298 km (0.108 R)
• M10: 5,099,492 km (0.095 R)
• M11: 5,925,721 km (0.049 R)
• M12: 6,668,624 km (0.064 R)
• M13: 7,524,623 km (0.109 R)
• M14: 8,199,758 km (0.114 R)
• M15: 9,003,249 km (0.094 R)
• M16: 9,733,137 km (0.107 R)
• M17: 11,070,841 km (0.112 R)
• M18: 12,197,163 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.1

Radius: 13.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.92 AU - 3 AU

Year: 2617 Days

Day: 11.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,172,434 km

• M1: 169,195 km (0.111 R)
• M2: 975,229 km (0.086 R)
• M3: 1,874,312 km (0.077 R)
• M4: 2,386,535 km (0.032 R)
• M5: 2,913,269 km (0.08 R)
• M6: 3,644,204 km (0.11 R)
• M7: 4,368,557 km (0.084 R)
• M8: 5,329,125 km (0.068 R)
• M9: 6,027,298 km (0.107 R)
• M10: 7,013,896 km (0.041 R)
• M11: 7,791,506 km (0.099 R)
• M12: 10,135,555 km (0.098 R)
• M13: 11,692,270 km (0.071 R)
• M14: 12,786,280 km (0.077 R)
• M15: 14,459,532 km (0.114 R)
• M16: 15,032,342 km (0.085 R)
• M17: 16,999,255 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.5

Radius: 10.1

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.2 AU - 4.42 AU

Year: 5044 Days

Day: 9.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,172,434 km

• M1: 125,662 km (0.098 R)
• M2: 663,167 km (0.109 R)
• M3: 1,294,321 km (0.116 R)
• M4: 1,792,781 km (0.096 R)
• M5: 2,432,162 km (0.065 R)
• M6: 2,841,462 km (0.062 R)
• M7: 3,296,389 km (0.077 R)
• M8: 3,777,496 km (0.11 R)
• M9: 4,624,369 km (0.112 R)
• M10: 5,650,760 km (0.084 R)
• M11: 7,676,914 km (0.119 R)
• M12: 8,486,687 km (0.112 R)
• M13: 8,991,281 km (0.066 R)
• M14: 9,474,781 km (0.031 R)
• M15: 11,725,780 km (0.063 R)
• M16: 12,549,466 km (0.055 R)
• M17: 15,940,850 km (0.063 R)
• M18: 16,890,796 km (0.11 R)
• M19: 18,257,822 km (0.069 R)
• M20: 20,860,376 km (0.101 R)
• M21: 21,565,580 km (0.078 R)
• M22: 21,996,273 km (0.092 R)
• M23: 23,776,786 km (0.12 R)
• M24: 24,937,217 km (0.117 R)
• M25: 25,892,399 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.4

Radius: 14.1

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.36 AU - 5.16 AU

Year: 5964 Days

Day: 13.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,172,434 km

• M1: 175,478 km (0.087 R)
• M2: 657,632 km (0.104 R)
• M3: 1,109,418 km (0.119 R)
• M4: 1,702,274 km (0.085 R)
• M5: 3,310,152 km (0.1 R)
• M6: 4,305,128 km (0.067 R)
• M7: 5,440,575 km (0.06 R)
• M8: 6,065,446 km (0.09 R)
• M9: 6,709,016 km (0.043 R)
• M10: 7,616,626 km (0.066 R)
• M11: 9,639,339 km (0.11 R)
• M12: 10,439,239 km (0.118 R)
• M13: 12,611,250 km (0.118 R)
• M14: 13,106,868 km (0.094 R)
• M15: 14,820,362 km (0.05 R)
• M16: 15,321,964 km (0.109 R)
• M17: 16,518,597 km (0.091 R)
• M18: 20,483,090 km (0.096 R)
• M19: 21,043,184 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.5

Radius: 7.5

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.72 AU - 11.08 AU

Year: 18008 Days

Day: 16.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,172,434 km

• M1: 93,349 km (0.109 R)
• M2: 344,973 km (0.084 R)
• M3: 642,972 km (0.113 R)
• M4: 1,176,438 km (0.09 R)
• M5: 1,479,074 km (0.072 R)
• M6: 2,223,623 km (0.057 R)
• M7: 3,070,347 km (0.11 R)
• M8: 5,830,727 km (0.047 R)
• M9: 7,785,821 km (0.063 R)
• M10: 8,213,970 km (0.094 R)
• M11: 8,859,934 km (0.094 R)
• M12: 9,326,829 km (0.04 R)
• M13: 11,001,876 km (0.091 R)
• M14: 11,786,517 km (0.095 R)
• M15: 12,224,091 km (0.119 R)
• M16: 14,719,832 km (0.116 R)
• M17: 17,536,311 km (0.106 R)
• M18: 18,189,306 km (0.073 R)
• M19: 19,980,591 km (0.105 R)
• M20: 24,009,561 km (0.112 R)
• M21: 27,883,697 km (0.104 R)
• M22: 35,663,534 km (0.104 R)
• M23: 41,535,400 km (0.112 R)
• M24: 43,577,860 km (0.118 R)
• M25: 47,862,193 km (0.079 R)
• M26: 50,268,924 km (0.115 R)
• M27: 61,074,527 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.8

Radius: 7.1

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.11 AU - 10.17 AU

Year: 20301 Days

Day: 24 Hours

Environment

Temp: -241 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,172,434 km

• M1: 391,498 km (0.107 R)
• M2: 2,201,033 km (0.117 R)
• M3: 2,784,166 km (0.107 R)
• M4: 3,124,800 km (0.053 R)
• M5: 3,860,672 km (0.105 R)
• M6: 4,979,515 km (0.047 R)
• M7: 9,832,769 km (0.084 R)
• M8: 13,319,746 km (0.067 R)
• M9: 13,728,896 km (0.055 R)
• M10: 18,210,698 km (0.071 R)
• M11: 19,314,731 km (0.118 R)
• M12: 20,824,921 km (0.091 R)
• M13: 25,511,374 km (0.064 R)
• M14: 31,331,778 km (0.073 R)
• M15: 33,411,338 km (0.119 R)
• M16: 39,078,704 km (0.12 R)
• M17: 45,970,528 km (0.095 R)
• M18: 52,439,140 km (0.118 R)
• M19: 55,187,851 km (0.05 R)
• M20: 56,066,140 km (0.037 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 18,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit