🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.9

Radius: 14.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.62 AU - 0.9 AU

Year: 421 Days

Day: 9.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,124,409 km

• M1: 179,069 km (0.066 R)
• M2: 659,727 km (0.111 R)
• M3: 1,256,921 km (0.105 R)
• M4: 1,849,927 km (0.098 R)
• M5: 2,717,146 km (0.106 R)
• M6: 3,308,207 km (0.097 R)
• M7: 5,085,580 km (0.119 R)
• M8: 5,616,054 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.8

Radius: 10.9

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.53 AU - 1.53 AU

Year: 1203 Days

Day: 11.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,124,409 km

• M1: 137,480 km (0.097 R)
• M2: 588,668 km (0.078 R)
• M3: 1,036,564 km (0.113 R)
• M4: 1,390,213 km (0.111 R)
• M5: 2,399,699 km (0.111 R)
• M6: 2,895,916 km (0.114 R)
• M7: 3,353,535 km (0.045 R)
• M8: 4,148,050 km (0.098 R)
• M9: 4,731,781 km (0.109 R)
• M10: 5,083,635 km (0.107 R)
• M11: 6,200,084 km (0.12 R)
• M12: 6,574,677 km (0.072 R)
• M13: 6,989,213 km (0.117 R)
• M14: 8,451,532 km (0.073 R)
• M15: 9,030,775 km (0.085 R)
• M16: 9,482,411 km (0.03 R)
• M17: 10,140,192 km (0.079 R)
• M18: 11,722,489 km (0.076 R)
• M19: 12,187,739 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.4

Radius: 13.7

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.84 AU - 1.86 AU

Year: 1600 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,124,409 km

• M1: 170,392 km (0.053 R)
• M2: 622,327 km (0.073 R)
• M3: 1,177,485 km (0.113 R)
• M4: 1,700,479 km (0.06 R)
• M5: 2,254,290 km (0.098 R)
• M6: 2,698,596 km (0.087 R)
• M7: 3,313,294 km (0.09 R)
• M8: 3,856,783 km (0.081 R)
• M9: 4,722,057 km (0.118 R)
• M10: 5,323,440 km (0.114 R)
• M11: 5,831,475 km (0.098 R)
• M12: 6,371,822 km (0.109 R)
• M13: 7,440,400 km (0.08 R)
• M14: 8,196,916 km (0.112 R)
• M15: 9,068,473 km (0.118 R)
• M16: 9,761,859 km (0.055 R)
• M17: 10,208,708 km (0.113 R)
• M18: 12,252,963 km (0.064 R)
• M19: 12,977,765 km (0.071 R)
• M20: 14,735,540 km (0.096 R)
• M21: 15,555,486 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405

Radius: 13.1

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.99 AU - 2.13 AU

Year: 1880 Days

Day: 5.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,124,409 km

• M1: 163,062 km (0.117 R)
• M2: 901,178 km (0.072 R)
• M3: 1,319,752 km (0.108 R)
• M4: 1,923,230 km (0.079 R)
• M5: 2,628,883 km (0.094 R)
• M6: 3,549,060 km (0.045 R)
• M7: 3,980,201 km (0.092 R)
• M8: 4,483,747 km (0.092 R)
• M9: 4,929,100 km (0.117 R)
• M10: 6,185,573 km (0.068 R)
• M11: 6,665,333 km (0.071 R)
• M12: 9,324,286 km (0.043 R)
• M13: 10,053,874 km (0.034 R)
• M14: 12,174,275 km (0.041 R)
• M15: 12,624,116 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.8

Radius: 12.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.03 AU - 4.71 AU

Year: 4841 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,124,409 km

• M1: 159,621 km (0.074 R)
• M2: 775,815 km (0.108 R)
• M3: 2,020,768 km (0.089 R)
• M4: 2,510,402 km (0.096 R)
• M5: 4,301,238 km (0.09 R)
• M6: 4,764,842 km (0.033 R)
• M7: 5,176,685 km (0.043 R)
• M8: 6,725,322 km (0.077 R)
• M9: 7,496,948 km (0.058 R)
• M10: 7,980,298 km (0.047 R)
• M11: 9,642,480 km (0.101 R)
• M12: 11,720,844 km (0.113 R)
• M13: 13,586,778 km (0.119 R)
• M14: 16,620,922 km (0.06 R)
• M15: 17,638,935 km (0.078 R)
• M16: 18,429,410 km (0.107 R)
• M17: 19,381,152 km (0.084 R)
• M18: 20,222,939 km (0.089 R)
• M19: 21,162,115 km (0.108 R)
• M20: 24,074,636 km (0.108 R)
• M21: 25,961,813 km (0.086 R)
• M22: 27,331,681 km (0.114 R)
• M23: 28,569,154 km (0.082 R)
• M24: 31,826,349 km (0.091 R)
• M25: 32,702,394 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.8

Radius: 3.9

Gravity: 30.3 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.27 AU - 8.87 AU

Year: 14576 Days

Day: 19.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 91,124,409 km

• M1: 48,470 km (0.075 R)
• M2: 257,308 km (0.117 R)
• M3: 412,741 km (0.096 R)
• M4: 654,790 km (0.092 R)
• M5: 803,640 km (0.082 R)
• M6: 1,170,304 km (0.096 R)
• M7: 1,934,749 km (0.027 R)
• M8: 2,150,021 km (0.119 R)
• M9: 2,283,013 km (0.092 R)
• M10: 2,441,587 km (0.047 R)
• M11: 2,693,210 km (0.083 R)
• M12: 3,273,052 km (0.117 R)
• M13: 3,876,230 km (0.061 R)
• M14: 5,866,480 km (0.113 R)
• M15: 7,589,848 km (0.112 R)
• M16: 8,079,631 km (0.085 R)
• M17: 8,262,739 km (0.102 R)
• M18: 8,732,925 km (0.107 R)
• M19: 9,121,730 km (0.031 R)
• M20: 9,320,396 km (0.06 R)
• M21: 9,623,930 km (0.083 R)
• M22: 10,848,239 km (0.03 R)
• M23: 12,172,779 km (0.109 R)
• M24: 19,519,381 km (0.112 R)
• M25: 19,849,393 km (0.114 R)
• M26: 22,715,389 km (0.074 R)
• M27: 25,353,698 km (0.06 R)
• M28: 28,294,193 km (0.116 R)
• M29: 28,716,807 km (0.063 R)
• M30: 33,177,068 km (0.057 R)
• M31: 33,411,488 km (0.111 R)
• M32: 34,002,250 km (0.054 R)
• M33: 38,077,595 km (0.074 R)
• M34: 41,781,040 km (0.088 R)
• M35: 43,719,529 km (0.086 R)
• M36: 44,001,371 km (0.095 R)
• M37: 44,142,592 km (0.114 R)
• M38: 45,862,219 km (0.097 R)
• M39: 49,740,245 km (0.092 R)
• M40: 50,665,208 km (0.109 R)

Asteroid Belt

Center: 9.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.3

Radius: 4.9

Gravity: 36.33 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 10.91 AU - 11.11 AU

Year: 23228 Days

Day: 19.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,124,409 km

• M1: 61,186 km (0.059 R)
• M2: 247,435 km (0.05 R)
• M3: 477,516 km (0.035 R)
• M4: 928,554 km (0.115 R)
• M5: 1,198,129 km (0.106 R)
• M6: 2,644,591 km (0.104 R)
• M7: 6,337,115 km (0.058 R)
• M8: 7,712,817 km (0.047 R)
• M9: 16,138,917 km (0.073 R)
• M10: 16,398,320 km (0.108 R)
• M11: 19,242,924 km (0.12 R)
• M12: 23,157,900 km (0.081 R)
• M13: 26,961,875 km (0.061 R)
• M14: 28,067,253 km (0.028 R)
• M15: 28,568,107 km (0.101 R)
• M16: 28,947,637 km (0.041 R)
• M17: 29,202,552 km (0.112 R)
• M18: 38,019,102 km (0.099 R)
• M19: 41,150,335 km (0.057 R)
• M20: 43,775,778 km (0.062 R)
• M21: 44,958,798 km (0.1 R)
• M22: 46,860,486 km (0.12 R)
• M23: 52,129,921 km (0.053 R)
• M24: 67,782,795 km (0.083 R)
• M25: 70,050,101 km (0.09 R)
• M26: 85,507,001 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 13,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit