🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.3

Radius: 11.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.87 AU - 0.95 AU

Year: 579 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,414,055 km

• M1: 164,258 km (0.041 R)
• M2: 524,640 km (0.117 R)
• M3: 1,175,839 km (0.085 R)
• M4: 1,787,695 km (0.105 R)
• M5: 2,156,154 km (0.114 R)
• M6: 2,548,699 km (0.095 R)
• M7: 2,989,115 km (0.097 R)
• M8: 3,413,225 km (0.088 R)
• M9: 4,000,097 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.4

Radius: 11.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.62 AU - 2.04 AU

Year: 1651 Days

Day: 6.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,414,055 km

• M1: 143,016 km (0.038 R)
• M2: 605,423 km (0.098 R)
• M3: 1,410,558 km (0.063 R)
• M4: 3,007,216 km (0.075 R)
• M5: 4,843,680 km (0.117 R)
• M6: 5,330,920 km (0.071 R)
• M7: 5,930,359 km (0.05 R)
• M8: 6,836,024 km (0.083 R)
• M9: 7,711,022 km (0.104 R)
• M10: 8,478,759 km (0.081 R)
• M11: 8,974,077 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402

Radius: 9.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.58 AU - 2.18 AU

Year: 1719 Days

Day: 9.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 120.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,414,055 km

• M1: 115,938 km (0.091 R)
• M2: 604,974 km (0.074 R)
• M3: 1,076,955 km (0.074 R)
• M4: 1,772,884 km (0.111 R)
• M5: 2,689,770 km (0.117 R)
• M6: 3,028,908 km (0.072 R)
• M7: 3,761,190 km (0.054 R)
• M8: 4,116,634 km (0.113 R)
• M9: 4,457,568 km (0.077 R)
• M10: 4,856,396 km (0.063 R)
• M11: 5,969,553 km (0.113 R)
• M12: 6,290,142 km (0.038 R)
• M13: 7,743,186 km (0.047 R)
• M14: 8,490,876 km (0.063 R)
• M15: 10,753,544 km (0.114 R)
• M16: 11,057,826 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.3

Radius: 10.8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.67 AU - 3.35 AU

Year: 3482 Days

Day: 8.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,414,055 km

• M1: 134,339 km (0.116 R)
• M2: 482,004 km (0.066 R)
• M3: 1,512,584 km (0.066 R)
• M4: 1,943,875 km (0.101 R)
• M5: 2,443,083 km (0.067 R)
• M6: 3,701,051 km (0.082 R)
• M7: 4,430,640 km (0.049 R)
• M8: 5,372,359 km (0.107 R)
• M9: 5,789,587 km (0.044 R)
• M10: 6,254,986 km (0.088 R)
• M11: 6,689,418 km (0.112 R)
• M12: 7,057,130 km (0.086 R)
• M13: 9,240,960 km (0.119 R)
• M14: 11,437,505 km (0.11 R)
• M15: 13,067,823 km (0.114 R)
• M16: 13,644,223 km (0.057 R)
• M17: 14,658,198 km (0.083 R)
• M18: 17,465,402 km (0.094 R)
• M19: 18,165,071 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 12

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.41 AU - 3.81 AU

Year: 3657 Days

Day: 6.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,414,055 km

• M1: 149,299 km (0.106 R)
• M2: 534,962 km (0.096 R)
• M3: 952,490 km (0.117 R)
• M4: 1,431,352 km (0.116 R)
• M5: 1,882,240 km (0.101 R)
• M6: 2,607,042 km (0.111 R)
• M7: 3,182,396 km (0.059 R)
• M8: 3,702,398 km (0.111 R)
• M9: 4,819,445 km (0.082 R)
• M10: 5,355,005 km (0.09 R)
• M11: 6,260,820 km (0.1 R)
• M12: 7,111,883 km (0.103 R)
• M13: 9,152,099 km (0.109 R)
• M14: 11,556,585 km (0.072 R)
• M15: 14,207,759 km (0.088 R)
• M16: 15,311,791 km (0.117 R)
• M17: 15,727,224 km (0.103 R)
• M18: 16,418,366 km (0.083 R)
• M19: 16,853,547 km (0.079 R)
• M20: 17,918,384 km (0.082 R)
• M21: 19,027,353 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.7

Radius: 13.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.89 AU - 5.55 AU

Year: 7953 Days

Day: 5.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,414,055 km

• M1: 166,802 km (0.118 R)
• M2: 629,657 km (0.071 R)
• M3: 1,156,242 km (0.101 R)
• M4: 1,659,938 km (0.088 R)
• M5: 2,456,696 km (0.09 R)
• M6: 3,669,337 km (0.117 R)
• M7: 4,810,020 km (0.054 R)
• M8: 5,925,871 km (0.071 R)
• M9: 6,761,225 km (0.116 R)
• M10: 9,111,707 km (0.077 R)
• M11: 9,572,169 km (0.107 R)
• M12: 11,094,627 km (0.037 R)
• M13: 11,815,389 km (0.05 R)
• M14: 12,721,354 km (0.085 R)
• M15: 14,222,270 km (0.059 R)
• M16: 14,900,397 km (0.12 R)
• M17: 16,690,485 km (0.045 R)
• M18: 18,156,993 km (0.116 R)
• M19: 20,765,830 km (0.078 R)
• M20: 21,935,685 km (0.113 R)
• M21: 24,008,813 km (0.097 R)
• M22: 26,886,627 km (0.078 R)
• M23: 31,103,192 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.5

Radius: 14.4

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.47 AU - 5.91 AU

Year: 9051 Days

Day: 10.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,414,055 km

• M1: 179,069 km (0.034 R)
• M2: 664,514 km (0.115 R)
• M3: 1,265,598 km (0.092 R)
• M4: 2,902,199 km (0.114 R)
• M5: 4,274,610 km (0.092 R)
• M6: 5,481,715 km (0.113 R)
• M7: 7,171,124 km (0.072 R)
• M8: 7,724,037 km (0.083 R)
• M9: 8,694,179 km (0.096 R)
• M10: 10,275,279 km (0.073 R)
• M11: 14,679,291 km (0.118 R)
• M12: 15,835,383 km (0.059 R)
• M13: 19,065,201 km (0.079 R)
• M14: 20,914,082 km (0.119 R)
• M15: 21,882,129 km (0.11 R)
• M16: 22,711,500 km (0.083 R)
• M17: 24,256,996 km (0.086 R)
• M18: 25,235,366 km (0.116 R)
• M19: 27,176,248 km (0.09 R)
• M20: 29,016,302 km (0.118 R)
• M21: 31,353,320 km (0.082 R)
• M22: 33,923,112 km (0.059 R)
• M23: 34,810,228 km (0.082 R)
• M24: 40,090,434 km (0.116 R)
• M25: 41,332,396 km (0.028 R)
• M26: 42,599,789 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.1

Radius: 5.2

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.44 AU - 8.88 AU

Year: 14138 Days

Day: 20.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,414,055 km

• M1: 65,374 km (0.11 R)
• M2: 356,193 km (0.053 R)
• M3: 861,385 km (0.106 R)
• M4: 1,398,740 km (0.036 R)
• M5: 1,809,237 km (0.095 R)
• M6: 2,346,293 km (0.098 R)
• M7: 2,924,938 km (0.106 R)
• M8: 3,331,993 km (0.115 R)
• M9: 3,638,819 km (0.065 R)
• M10: 3,869,349 km (0.046 R)
• M11: 4,158,821 km (0.073 R)
• M12: 4,753,921 km (0.12 R)
• M13: 4,973,680 km (0.116 R)
• M14: 6,273,237 km (0.098 R)
• M15: 6,948,821 km (0.115 R)
• M16: 14,246,804 km (0.094 R)
• M17: 17,332,409 km (0.099 R)
• M18: 19,690,072 km (0.11 R)
• M19: 22,025,295 km (0.114 R)
• M20: 27,587,643 km (0.061 R)
• M21: 28,567,359 km (0.06 R)
• M22: 29,020,341 km (0.119 R)
• M23: 30,407,712 km (0.112 R)
• M24: 31,452,803 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 12,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit