🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.4

Radius: 13

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.99 AU - 1.45 AU

Year: 899 Days

Day: 13.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,689,416 km

• M1: 168,447 km (0.077 R)
• M2: 578,794 km (0.119 R)
• M3: 1,323,044 km (0.088 R)
• M4: 1,827,637 km (0.1 R)
• M5: 2,239,929 km (0.105 R)
• M6: 3,399,013 km (0.083 R)
• M7: 4,298,096 km (0.091 R)
• M8: 4,896,039 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.7

Radius: 12.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.55 AU - 2.29 AU

Year: 1774 Days

Day: 6.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,689,416 km

• M1: 155,731 km (0.113 R)
• M2: 826,977 km (0.119 R)
• M3: 1,483,113 km (0.033 R)
• M4: 2,920,150 km (0.089 R)
• M5: 3,559,831 km (0.061 R)
• M6: 4,461,457 km (0.071 R)
• M7: 5,017,513 km (0.044 R)
• M8: 6,947,176 km (0.115 R)
• M9: 7,403,599 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.2

Radius: 9.5

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.01 AU - 3.21 AU

Year: 2812 Days

Day: 10.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,689,416 km

• M1: 121,922 km (0.113 R)
• M2: 635,043 km (0.049 R)
• M3: 1,044,044 km (0.069 R)
• M4: 1,340,098 km (0.064 R)
• M5: 2,017,776 km (0.082 R)
• M6: 2,341,207 km (0.044 R)
• M7: 2,762,773 km (0.098 R)
• M8: 3,077,079 km (0.114 R)
• M9: 4,021,340 km (0.073 R)
• M10: 4,493,471 km (0.056 R)
• M11: 5,002,254 km (0.079 R)
• M12: 5,523,453 km (0.1 R)
• M13: 7,182,942 km (0.079 R)
• M14: 7,781,932 km (0.089 R)
• M15: 8,482,199 km (0.11 R)
• M16: 9,931,803 km (0.059 R)
• M17: 10,675,304 km (0.092 R)
• M18: 11,666,988 km (0.081 R)
• M19: 12,450,283 km (0.088 R)
• M20: 13,083,381 km (0.095 R)
• M21: 14,910,121 km (0.062 R)
• M22: 17,120,130 km (0.091 R)
• M23: 17,733,332 km (0.101 R)
• M24: 20,395,127 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.1

Radius: 9.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.31 AU - 3.15 AU

Year: 3008 Days

Day: 12.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,689,416 km

• M1: 120,576 km (0.119 R)
• M2: 572,810 km (0.066 R)
• M3: 1,010,982 km (0.086 R)
• M4: 1,415,495 km (0.076 R)
• M5: 1,740,422 km (0.075 R)
• M6: 2,558,273 km (0.095 R)
• M7: 2,862,106 km (0.065 R)
• M8: 4,132,043 km (0.072 R)
• M9: 5,671,106 km (0.077 R)
• M10: 7,272,252 km (0.089 R)
• M11: 8,069,459 km (0.031 R)
• M12: 9,221,662 km (0.102 R)
• M13: 11,188,724 km (0.108 R)
• M14: 11,496,447 km (0.056 R)
• M15: 12,618,580 km (0.115 R)
• M16: 13,248,986 km (0.09 R)
• M17: 14,256,228 km (0.117 R)
• M18: 14,663,882 km (0.117 R)
• M19: 16,471,922 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.9

Radius: 11.9

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.99 AU - 3.23 AU

Year: 3657 Days

Day: 7.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,689,416 km

• M1: 148,700 km (0.102 R)
• M2: 584,030 km (0.076 R)
• M3: 958,025 km (0.112 R)
• M4: 1,534,126 km (0.087 R)
• M5: 2,520,874 km (0.079 R)
• M6: 3,595,286 km (0.065 R)
• M7: 4,902,173 km (0.117 R)
• M8: 5,964,168 km (0.106 R)
• M9: 7,273,149 km (0.066 R)
• M10: 7,749,469 km (0.085 R)
• M11: 8,246,583 km (0.05 R)
• M12: 9,704,264 km (0.12 R)
• M13: 10,114,910 km (0.097 R)
• M14: 10,580,010 km (0.077 R)
• M15: 11,782,627 km (0.075 R)
• M16: 12,250,420 km (0.119 R)
• M17: 12,682,159 km (0.096 R)
• M18: 13,986,354 km (0.11 R)
• M19: 18,939,390 km (0.067 R)
• M20: 20,439,407 km (0.039 R)
• M21: 26,513,530 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.8

Radius: 9.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.61 AU - 5.17 AU

Year: 6134 Days

Day: 5.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,689,416 km

• M1: 116,387 km (0.087 R)
• M2: 444,904 km (0.048 R)
• M3: 872,604 km (0.106 R)
• M4: 1,373,009 km (0.089 R)
• M5: 1,715,439 km (0.118 R)
• M6: 2,458,641 km (0.085 R)
• M7: 4,445,450 km (0.117 R)
• M8: 4,775,762 km (0.049 R)
• M9: 6,109,727 km (0.094 R)
• M10: 6,518,877 km (0.101 R)
• M11: 8,767,632 km (0.056 R)
• M12: 9,329,821 km (0.116 R)
• M13: 10,087,983 km (0.088 R)
• M14: 10,795,880 km (0.111 R)
• M15: 11,395,019 km (0.037 R)
• M16: 11,726,827 km (0.12 R)
• M17: 14,232,741 km (0.082 R)
• M18: 14,562,306 km (0.065 R)
• M19: 15,756,097 km (0.111 R)
• M20: 16,168,089 km (0.099 R)
• M21: 16,466,836 km (0.087 R)
• M22: 19,324,006 km (0.031 R)
• M23: 21,117,235 km (0.097 R)
• M24: 22,054,167 km (0.111 R)
• M25: 23,933,565 km (0.109 R)
• M26: 28,008,611 km (0.071 R)
• M27: 28,963,345 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.9

Radius: 7.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.27 AU - 7.87 AU

Year: 12536 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,689,416 km

• M1: 94,845 km (0.032 R)
• M2: 331,509 km (0.06 R)
• M3: 629,059 km (0.117 R)
• M4: 1,084,585 km (0.091 R)
• M5: 1,356,553 km (0.093 R)
• M6: 2,680,943 km (0.11 R)
• M7: 3,016,791 km (0.091 R)
• M8: 4,300,041 km (0.094 R)
• M9: 4,789,525 km (0.113 R)
• M10: 5,561,450 km (0.089 R)
• M11: 5,944,571 km (0.112 R)
• M12: 8,498,655 km (0.057 R)
• M13: 10,132,114 km (0.116 R)
• M14: 12,069,257 km (0.084 R)
• M15: 14,536,874 km (0.107 R)
• M16: 18,139,340 km (0.073 R)
• M17: 19,340,611 km (0.12 R)
• M18: 22,216,331 km (0.077 R)
• M19: 22,936,944 km (0.11 R)
• M20: 26,775,326 km (0.11 R)
• M21: 28,987,879 km (0.077 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 18,565 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit