🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94

Radius: 10.5

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.57 AU - 0.75 AU

Year: 364 Days

Day: 12.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 56,681,062 km

• M1: 130,599 km (0.084 R)
• M2: 740,360 km (0.053 R)
• M3: 2,706,076 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.7

Radius: 14.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.72 AU - 0.74 AU

Year: 423 Days

Day: 13.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,681,062 km

• M1: 184,305 km (0.085 R)
• M2: 784,940 km (0.099 R)
• M3: 1,313,469 km (0.095 R)
• M4: 1,982,172 km (0.089 R)
• M5: 2,826,502 km (0.094 R)
• M6: 3,386,148 km (0.079 R)
• M7: 4,177,670 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.6

Radius: 11.8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.27 AU - 1.73 AU

Year: 1246 Days

Day: 12.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,681,062 km

• M1: 146,756 km (0.075 R)
• M2: 633,397 km (0.08 R)
• M3: 1,209,499 km (0.105 R)
• M4: 1,699,881 km (0.093 R)
• M5: 2,219,584 km (0.057 R)
• M6: 2,712,808 km (0.097 R)
• M7: 3,382,707 km (0.089 R)
• M8: 4,142,963 km (0.115 R)
• M9: 4,554,806 km (0.104 R)
• M10: 5,093,209 km (0.042 R)
• M11: 6,137,851 km (0.034 R)
• M12: 7,552,897 km (0.09 R)
• M13: 8,060,632 km (0.058 R)
• M14: 9,753,332 km (0.106 R)
• M15: 10,291,586 km (0.067 R)
• M16: 10,716,593 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.5

Radius: 11.2

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.45 AU - 3.13 AU

Year: 3161 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,681,062 km

• M1: 139,425 km (0.104 R)
• M2: 544,536 km (0.087 R)
• M3: 895,942 km (0.114 R)
• M4: 1,327,681 km (0.045 R)
• M5: 1,738,926 km (0.104 R)
• M6: 2,178,893 km (0.114 R)
• M7: 2,775,190 km (0.072 R)
• M8: 3,381,361 km (0.092 R)
• M9: 3,966,438 km (0.117 R)
• M10: 4,339,984 km (0.113 R)
• M11: 5,365,776 km (0.115 R)
• M12: 6,048,990 km (0.086 R)
• M13: 6,456,495 km (0.064 R)
• M14: 7,457,155 km (0.079 R)
• M15: 7,823,969 km (0.082 R)
• M16: 8,594,248 km (0.056 R)
• M17: 8,998,013 km (0.032 R)
• M18: 9,843,540 km (0.07 R)
• M19: 11,123,948 km (0.088 R)
• M20: 11,871,638 km (0.05 R)
• M21: 12,793,909 km (0.092 R)
• M22: 13,614,753 km (0.117 R)
• M23: 16,908,299 km (0.116 R)
• M24: 17,896,842 km (0.111 R)
• M25: 18,314,819 km (0.03 R)
• M26: 21,426,155 km (0.075 R)
• M27: 24,287,214 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.8

Radius: 14.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.58 AU - 3.82 AU

Year: 4827 Days

Day: 13.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,681,062 km

• M1: 179,069 km (0.097 R)
• M2: 833,559 km (0.117 R)
• M3: 2,999,288 km (0.05 R)
• M4: 3,768,370 km (0.097 R)
• M5: 5,004,198 km (0.104 R)
• M6: 8,042,531 km (0.113 R)
• M7: 9,002,052 km (0.09 R)
• M8: 11,195,157 km (0.117 R)
• M9: 11,951,374 km (0.097 R)
• M10: 12,995,417 km (0.086 R)
• M11: 14,757,830 km (0.112 R)
• M12: 15,609,640 km (0.097 R)
• M13: 19,752,454 km (0.074 R)
• M14: 20,438,360 km (0.035 R)
• M15: 26,676,741 km (0.114 R)
• M16: 28,457,853 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.3

Radius: 7.5

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.11 AU - 11.65 AU

Year: 21063 Days

Day: 21.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,681,062 km

• M1: 93,798 km (0.088 R)
• M2: 423,362 km (0.085 R)
• M3: 746,493 km (0.076 R)
• M4: 1,020,557 km (0.107 R)
• M5: 1,362,238 km (0.053 R)
• M6: 1,795,474 km (0.119 R)
• M7: 2,182,783 km (0.097 R)
• M8: 2,959,644 km (0.109 R)
• M9: 3,272,453 km (0.091 R)
• M10: 3,964,942 km (0.059 R)
• M11: 5,388,515 km (0.105 R)
• M12: 5,856,607 km (0.114 R)
• M13: 7,166,785 km (0.113 R)
• M14: 9,559,454 km (0.117 R)
• M15: 11,597,425 km (0.083 R)
• M16: 12,937,673 km (0.046 R)
• M17: 14,788,797 km (0.1 R)
• M18: 20,777,499 km (0.089 R)
• M19: 23,304,057 km (0.092 R)
• M20: 23,966,177 km (0.118 R)
• M21: 27,571,636 km (0.066 R)
• M22: 33,993,723 km (0.081 R)
• M23: 34,722,713 km (0.096 R)
• M24: 45,025,219 km (0.105 R)
• M25: 45,757,052 km (0.117 R)
• M26: 46,645,663 km (0.087 R)
• M27: 50,786,981 km (0.117 R)
• M28: 52,865,644 km (0.038 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: 494 - 11,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit