🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.12 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.3

Radius: 11.9

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.91 AU - 2.57 AU

Year: 2236 Days

Day: 8.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,259,279 km

• M1: 147,952 km (0.104 R)
• M2: 1,301,352 km (0.102 R)
• M3: 1,901,539 km (0.039 R)
• M4: 2,782,221 km (0.116 R)
• M5: 3,537,690 km (0.062 R)
• M6: 4,127,106 km (0.105 R)
• M7: 5,088,422 km (0.115 R)
• M8: 5,915,549 km (0.103 R)
• M9: 7,335,980 km (0.094 R)
• M10: 7,806,615 km (0.117 R)
• M11: 9,038,703 km (0.059 R)
• M12: 9,511,133 km (0.06 R)
• M13: 10,071,377 km (0.114 R)
• M14: 10,469,308 km (0.066 R)
• M15: 10,953,107 km (0.049 R)
• M16: 13,167,006 km (0.1 R)
• M17: 15,330,191 km (0.11 R)
• M18: 16,248,573 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.2

Radius: 9.6

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.23 AU - 3.17 AU

Year: 2959 Days

Day: 13.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,259,279 km

• M1: 119,529 km (0.091 R)
• M2: 440,267 km (0.119 R)
• M3: 1,153,998 km (0.088 R)
• M4: 2,024,059 km (0.064 R)
• M5: 2,880,956 km (0.092 R)
• M6: 3,227,275 km (0.076 R)
• M7: 3,543,375 km (0.118 R)
• M8: 4,004,137 km (0.06 R)
• M9: 4,482,102 km (0.08 R)
• M10: 5,269,884 km (0.094 R)
• M11: 5,630,864 km (0.099 R)
• M12: 6,091,476 km (0.068 R)
• M13: 6,694,954 km (0.051 R)
• M14: 7,057,429 km (0.089 R)
• M15: 9,552,422 km (0.098 R)
• M16: 9,973,540 km (0.084 R)
• M17: 10,407,075 km (0.111 R)
• M18: 11,060,070 km (0.054 R)
• M19: 11,783,675 km (0.094 R)
• M20: 12,493,068 km (0.1 R)
• M21: 15,201,687 km (0.073 R)
• M22: 17,701,617 km (0.059 R)
• M23: 19,290,047 km (0.11 R)
• M24: 19,778,484 km (0.102 R)
• M25: 20,400,662 km (0.102 R)
• M26: 20,780,042 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 12.5

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.67 AU - 3.95 AU

Year: 4016 Days

Day: 8.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 166.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,259,279 km

• M1: 155,432 km (0.107 R)
• M2: 575,952 km (0.087 R)
• M3: 1,307,336 km (0.064 R)
• M4: 1,753,437 km (0.117 R)
• M5: 2,735,397 km (0.101 R)
• M6: 4,213,723 km (0.119 R)
• M7: 4,971,287 km (0.104 R)
• M8: 5,962,822 km (0.104 R)
• M9: 6,475,045 km (0.087 R)
• M10: 6,918,752 km (0.041 R)
• M11: 15,467,971 km (0.098 R)
• M12: 17,027,080 km (0.113 R)
• M13: 17,508,486 km (0.063 R)
• M14: 20,320,926 km (0.111 R)
• M15: 24,700,254 km (0.115 R)
• M16: 25,473,525 km (0.073 R)
• M17: 27,313,729 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197

Radius: 14.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.93 AU - 4.13 AU

Year: 5395 Days

Day: 10.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,259,279 km

• M1: 180,265 km (0.111 R)
• M2: 1,413,401 km (0.085 R)
• M3: 1,963,173 km (0.098 R)
• M4: 2,610,932 km (0.094 R)
• M5: 3,120,013 km (0.03 R)
• M6: 4,493,172 km (0.071 R)
• M7: 5,039,204 km (0.104 R)
• M8: 5,655,248 km (0.101 R)
• M9: 8,300,288 km (0.085 R)
• M10: 14,394,606 km (0.116 R)
• M11: 18,399,790 km (0.053 R)
• M12: 20,106,702 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215

Radius: 8.8

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.78 AU - 4.32 AU

Year: 5435 Days

Day: 12.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,259,279 km

• M1: 127,906 km (0.044 R)
• M2: 411,544 km (0.118 R)
• M3: 816,804 km (0.119 R)
• M4: 1,618,948 km (0.069 R)
• M5: 2,791,496 km (0.101 R)
• M6: 3,642,259 km (0.103 R)
• M7: 4,191,732 km (0.084 R)
• M8: 5,179,527 km (0.075 R)
• M9: 5,794,524 km (0.086 R)
• M10: 7,608,847 km (0.099 R)
• M11: 8,575,698 km (0.12 R)
• M12: 9,887,372 km (0.091 R)
• M13: 13,553,567 km (0.119 R)
• M14: 17,696,830 km (0.107 R)
• M15: 20,425,495 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.1

Radius: 3.8

Gravity: 37.26 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.24 AU - 6.66 AU

Year: 9678 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,259,279 km

• M1: 50,265 km (0.03 R)
• M2: 320,887 km (0.101 R)
• M3: 539,600 km (0.073 R)
• M4: 730,786 km (0.048 R)
• M5: 1,123,480 km (0.115 R)
• M6: 1,600,697 km (0.025 R)
• M7: 2,047,247 km (0.048 R)
• M8: 2,219,135 km (0.096 R)
• M9: 2,813,786 km (0.098 R)
• M10: 3,004,673 km (0.104 R)
• M11: 3,226,976 km (0.1 R)
• M12: 3,436,413 km (0.112 R)
• M13: 3,729,475 km (0.068 R)
• M14: 4,798,053 km (0.119 R)
• M15: 5,101,736 km (0.116 R)
• M16: 6,741,179 km (0.067 R)
• M17: 7,638,617 km (0.096 R)
• M18: 7,968,630 km (0.078 R)
• M19: 8,790,371 km (0.07 R)
• M20: 9,106,920 km (0.05 R)
• M21: 11,115,421 km (0.082 R)
• M22: 13,282,496 km (0.105 R)
• M23: 15,781,528 km (0.089 R)
• M24: 16,248,872 km (0.114 R)
• M25: 20,168,635 km (0.041 R)
• M26: 21,198,317 km (0.09 R)
• M27: 21,685,109 km (0.111 R)
• M28: 25,668,003 km (0.085 R)
• M29: 27,160,092 km (0.117 R)
• M30: 29,706,397 km (0.068 R)
• M31: 38,172,141 km (0.094 R)
• M32: 39,499,223 km (0.118 R)
• M33: 42,500,605 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832

Radius: 6

Gravity: 23.11 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.25 AU - 11.55 AU

Year: 20772 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,259,279 km

• M1: 74,649 km (0.102 R)
• M2: 682,017 km (0.097 R)
• M3: 1,099,993 km (0.078 R)
• M4: 2,188,467 km (0.088 R)
• M5: 3,431,476 km (0.027 R)
• M6: 5,398,389 km (0.11 R)
• M7: 6,550,891 km (0.071 R)
• M8: 6,781,122 km (0.064 R)
• M9: 8,821,786 km (0.087 R)
• M10: 10,348,433 km (0.12 R)
• M11: 11,239,438 km (0.064 R)
• M12: 11,703,640 km (0.113 R)
• M13: 12,249,822 km (0.116 R)
• M14: 12,812,758 km (0.102 R)
• M15: 14,218,679 km (0.037 R)
• M16: 17,246,091 km (0.087 R)
• M17: 23,237,037 km (0.032 R)
• M18: 25,318,243 km (0.071 R)
• M19: 31,512,791 km (0.04 R)
• M20: 37,316,142 km (0.101 R)
• M21: 43,468,803 km (0.084 R)
• M22: 44,282,316 km (0.088 R)
• M23: 46,954,134 km (0.089 R)
• M24: 58,322,824 km (0.046 R)
• M25: 61,937,109 km (0.092 R)
• M26: 75,994,970 km (0.1 R)
• M27: 76,938,185 km (0.074 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 12,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit