🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.4

Radius: 11.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.49 AU - 1.77 AU

Year: 1388 Days

Day: 13.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,875,279 km

• M1: 144,212 km (0.063 R)
• M2: 512,672 km (0.049 R)
• M3: 1,055,114 km (0.108 R)
• M4: 1,443,470 km (0.047 R)
• M5: 2,084,347 km (0.086 R)
• M6: 2,545,408 km (0.098 R)
• M7: 2,907,135 km (0.101 R)
• M8: 3,289,508 km (0.048 R)
• M9: 3,705,689 km (0.117 R)
• M10: 4,108,556 km (0.107 R)
• M11: 4,662,367 km (0.073 R)
• M12: 5,322,842 km (0.113 R)
• M13: 5,858,253 km (0.062 R)
• M14: 6,694,954 km (0.115 R)
• M15: 7,343,460 km (0.052 R)
• M16: 7,857,030 km (0.107 R)
• M17: 8,525,882 km (0.106 R)
• M18: 8,928,899 km (0.081 R)
• M19: 9,600,144 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.4

Radius: 10.3

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.9 AU - 1.94 AU

Year: 1774 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,875,279 km

• M1: 128,056 km (0.078 R)
• M2: 510,428 km (0.037 R)
• M3: 944,262 km (0.115 R)
• M4: 1,331,870 km (0.086 R)
• M5: 1,763,310 km (0.097 R)
• M6: 2,225,418 km (0.082 R)
• M7: 2,767,112 km (0.11 R)
• M8: 3,217,850 km (0.119 R)
• M9: 3,752,214 km (0.056 R)
• M10: 4,623,173 km (0.087 R)
• M11: 4,998,663 km (0.05 R)
• M12: 6,076,666 km (0.111 R)
• M13: 6,868,188 km (0.104 R)
• M14: 8,167,745 km (0.108 R)
• M15: 10,627,283 km (0.113 R)
• M16: 11,172,717 km (0.104 R)
• M17: 12,438,614 km (0.094 R)
• M18: 13,085,775 km (0.071 R)
• M19: 14,011,935 km (0.108 R)
• M20: 14,403,133 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.8

Radius: 10.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.02 AU - 2.54 AU

Year: 2296 Days

Day: 12 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,875,279 km

• M1: 135,536 km (0.073 R)
• M2: 530,474 km (0.119 R)
• M3: 906,862 km (0.083 R)
• M4: 1,247,646 km (0.077 R)
• M5: 1,757,027 km (0.102 R)
• M6: 2,668,826 km (0.048 R)
• M7: 3,015,145 km (0.101 R)
• M8: 3,524,077 km (0.093 R)
• M9: 4,052,606 km (0.114 R)
• M10: 5,203,014 km (0.12 R)
• M11: 5,818,609 km (0.07 R)
• M12: 6,206,068 km (0.115 R)
• M13: 6,610,580 km (0.064 R)
• M14: 6,952,262 km (0.082 R)
• M15: 8,137,825 km (0.092 R)
• M16: 8,747,586 km (0.089 R)
• M17: 9,160,177 km (0.12 R)
• M18: 10,905,685 km (0.073 R)
• M19: 11,761,534 km (0.094 R)
• M20: 12,461,951 km (0.111 R)
• M21: 13,648,711 km (0.107 R)
• M22: 14,031,981 km (0.081 R)
• M23: 14,422,432 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.8

Radius: 8.6

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.77 AU - 4.21 AU

Year: 5315 Days

Day: 7.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,875,279 km

• M1: 119,977 km (0.046 R)
• M2: 405,111 km (0.061 R)
• M3: 691,591 km (0.112 R)
• M4: 983,157 km (0.088 R)
• M5: 1,614,161 km (0.055 R)
• M6: 2,236,787 km (0.111 R)
• M7: 2,682,140 km (0.109 R)
• M8: 3,117,470 km (0.082 R)
• M9: 3,525,573 km (0.107 R)
• M10: 4,245,887 km (0.102 R)
• M11: 4,930,596 km (0.072 R)
• M12: 5,545,593 km (0.111 R)
• M13: 8,158,469 km (0.029 R)
• M14: 8,852,753 km (0.084 R)
• M15: 9,672,998 km (0.085 R)
• M16: 9,967,407 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71

Radius: 13

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.15 AU - 5.03 AU

Year: 5516 Days

Day: 12.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,875,279 km

• M1: 161,715 km (0.096 R)
• M2: 740,210 km (0.082 R)
• M3: 1,179,280 km (0.053 R)
• M4: 1,648,718 km (0.068 R)
• M5: 4,015,955 km (0.103 R)
• M6: 5,684,121 km (0.061 R)
• M7: 7,890,091 km (0.107 R)
• M8: 8,301,934 km (0.065 R)
• M9: 8,759,255 km (0.065 R)
• M10: 9,330,120 km (0.078 R)
• M11: 10,302,057 km (0.086 R)
• M12: 12,057,738 km (0.038 R)
• M13: 14,875,713 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.3

Radius: 13.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.3 AU - 5.88 AU

Year: 7658 Days

Day: 14.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,875,279 km

• M1: 166,652 km (0.096 R)
• M2: 629,508 km (0.102 R)
• M3: 1,514,828 km (0.069 R)
• M4: 2,745,570 km (0.099 R)
• M5: 3,368,495 km (0.069 R)
• M6: 4,608,811 km (0.077 R)
• M7: 5,546,939 km (0.079 R)
• M8: 7,012,550 km (0.066 R)
• M9: 7,432,770 km (0.055 R)
• M10: 8,288,919 km (0.089 R)
• M11: 9,914,000 km (0.092 R)
• M12: 12,665,704 km (0.07 R)
• M13: 13,587,077 km (0.061 R)
• M14: 14,866,737 km (0.11 R)
• M15: 24,284,222 km (0.103 R)
• M16: 25,326,172 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.7

Radius: 5.4

Gravity: 27.05 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.79 AU - 9.61 AU

Year: 17112 Days

Day: 18.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,875,279 km

• M1: 67,169 km (0.1 R)
• M2: 299,944 km (0.089 R)
• M3: 559,646 km (0.059 R)
• M4: 1,123,181 km (0.046 R)
• M5: 1,464,862 km (0.1 R)
• M6: 1,873,414 km (0.058 R)
• M7: 2,104,543 km (0.047 R)
• M8: 2,791,047 km (0.097 R)
• M9: 3,445,389 km (0.054 R)
• M10: 4,526,383 km (0.114 R)
• M11: 5,657,791 km (0.081 R)
• M12: 6,610,730 km (0.116 R)
• M13: 7,333,736 km (0.115 R)
• M14: 7,618,122 km (0.032 R)
• M15: 8,829,416 km (0.108 R)
• M16: 11,311,693 km (0.105 R)
• M17: 11,691,373 km (0.094 R)
• M18: 12,409,443 km (0.113 R)
• M19: 17,598,394 km (0.103 R)
• M20: 18,803,106 km (0.101 R)
• M21: 19,246,364 km (0.099 R)
• M22: 19,970,119 km (0.058 R)
• M23: 22,348,426 km (0.061 R)
• M24: 23,248,855 km (0.092 R)
• M25: 25,443,606 km (0.098 R)
• M26: 36,971,019 km (0.054 R)
• M27: 40,095,969 km (0.107 R)
• M28: 40,977,849 km (0.058 R)
• M29: 42,022,939 km (0.109 R)
• M30: 43,239,021 km (0.055 R)
• M31: 44,478,289 km (0.119 R)
• M32: 48,008,201 km (0.034 R)
• M33: 51,203,312 km (0.101 R)
• M34: 56,899,849 km (0.1 R)
• M35: 59,709,896 km (0.077 R)
• M36: 68,483,362 km (0.061 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 12,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit