🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.5

Radius: 11.7

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.81 AU - 1.11 AU

Year: 617 Days

Day: 7.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,233,945 km

• M1: 146,756 km (0.029 R)
• M2: 520,451 km (0.066 R)
• M3: 983,307 km (0.1 R)
• M4: 1,439,730 km (0.073 R)
• M5: 1,902,137 km (0.106 R)
• M6: 2,338,664 km (0.098 R)
• M7: 2,715,501 km (0.096 R)
• M8: 3,430,728 km (0.107 R)
• M9: 3,804,723 km (0.083 R)
• M10: 4,489,133 km (0.055 R)
• M11: 4,903,968 km (0.075 R)
• M12: 5,753,534 km (0.118 R)
• M13: 6,572,582 km (0.031 R)
• M14: 7,219,743 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.9

Radius: 12.5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.42 AU - 1.46 AU

Year: 1134 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,233,945 km

• M1: 155,432 km (0.116 R)
• M2: 552,615 km (0.093 R)
• M3: 947,852 km (0.111 R)
• M4: 1,343,239 km (0.076 R)
• M5: 2,105,590 km (0.115 R)
• M6: 2,766,065 km (0.101 R)
• M7: 3,547,265 km (0.112 R)
• M8: 4,050,213 km (0.092 R)
• M9: 4,633,644 km (0.045 R)
• M10: 5,326,731 km (0.105 R)
• M11: 5,775,076 km (0.048 R)
• M12: 6,833,780 km (0.036 R)
• M13: 7,296,487 km (0.042 R)
• M14: 7,827,260 km (0.104 R)
• M15: 8,358,931 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 12.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.33 AU - 2.07 AU

Year: 1454 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,233,945 km

• M1: 153,039 km (0.093 R)
• M2: 561,590 km (0.098 R)
• M3: 1,209,499 km (0.077 R)
• M4: 1,700,629 km (0.09 R)
• M5: 2,204,624 km (0.097 R)
• M6: 2,849,839 km (0.104 R)
• M7: 3,358,023 km (0.099 R)
• M8: 3,786,920 km (0.104 R)
• M9: 4,676,429 km (0.036 R)
• M10: 5,149,608 km (0.094 R)
• M11: 5,654,800 km (0.041 R)
• M12: 6,314,377 km (0.076 R)
• M13: 10,757,732 km (0.092 R)
• M14: 12,034,850 km (0.075 R)
• M15: 12,769,225 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.1

Radius: 8.8

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.91 AU - 2.33 AU

Year: 2025 Days

Day: 13.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,233,945 km

• M1: 112,797 km (0.076 R)
• M2: 399,576 km (0.102 R)
• M3: 801,396 km (0.107 R)
• M4: 1,475,185 km (0.119 R)
• M5: 1,771,239 km (0.113 R)
• M6: 2,132,069 km (0.114 R)
• M7: 2,417,502 km (0.076 R)
• M8: 2,863,602 km (0.109 R)
• M9: 3,519,440 km (0.083 R)
• M10: 4,251,871 km (0.042 R)
• M11: 5,429,356 km (0.048 R)
• M12: 7,613,185 km (0.111 R)
• M13: 8,605,468 km (0.097 R)
• M14: 9,234,228 km (0.067 R)
• M15: 13,144,417 km (0.041 R)
• M16: 14,707,116 km (0.103 R)
• M17: 15,945,487 km (0.048 R)
• M18: 16,240,794 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.6

Radius: 8.9

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.15 AU - 2.19 AU

Year: 2097 Days

Day: 6.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,233,945 km

• M1: 110,702 km (0.106 R)
• M2: 543,639 km (0.072 R)
• M3: 825,331 km (0.119 R)
• M4: 1,256,173 km (0.106 R)
• M5: 1,639,293 km (0.1 R)
• M6: 2,087,937 km (0.036 R)
• M7: 2,576,075 km (0.089 R)
• M8: 2,869,287 km (0.099 R)
• M9: 3,169,530 km (0.112 R)
• M10: 3,693,721 km (0.078 R)
• M11: 5,504,304 km (0.093 R)
• M12: 7,224,081 km (0.111 R)
• M13: 7,612,437 km (0.032 R)
• M14: 8,221,151 km (0.086 R)
• M15: 8,522,291 km (0.056 R)
• M16: 8,830,762 km (0.03 R)
• M17: 9,210,741 km (0.103 R)
• M18: 10,662,887 km (0.096 R)
• M19: 11,800,430 km (0.044 R)
• M20: 12,300,835 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.6

Radius: 9.4

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.49 AU - 2.59 AU

Year: 2656 Days

Day: 12.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 63 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,233,945 km

• M1: 117,285 km (0.066 R)
• M2: 540,796 km (0.057 R)
• M3: 1,325,138 km (0.053 R)
• M4: 1,695,393 km (0.062 R)
• M5: 2,033,334 km (0.103 R)
• M6: 2,388,629 km (0.041 R)
• M7: 2,991,658 km (0.12 R)
• M8: 3,562,673 km (0.116 R)
• M9: 4,630,353 km (0.073 R)
• M10: 6,432,708 km (0.094 R)
• M11: 6,825,552 km (0.11 R)
• M12: 7,234,403 km (0.062 R)
• M13: 8,694,030 km (0.118 R)
• M14: 9,315,459 km (0.106 R)
• M15: 11,237,792 km (0.115 R)
• M16: 11,767,219 km (0.086 R)
• M17: 13,320,643 km (0.105 R)
• M18: 14,240,371 km (0.096 R)
• M19: 15,300,421 km (0.1 R)
• M20: 18,402,184 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.7

Radius: 10.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.66 AU - 2.94 AU

Year: 3074 Days

Day: 11 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,233,945 km

• M1: 133,142 km (0.06 R)
• M2: 476,020 km (0.07 R)
• M3: 1,065,286 km (0.1 R)
• M4: 1,679,087 km (0.095 R)
• M5: 2,636,812 km (0.097 R)
• M6: 4,484,346 km (0.067 R)
• M7: 5,391,058 km (0.104 R)
• M8: 8,405,456 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.8

Radius: 4

Gravity: 35.24 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.23 AU - 9.71 AU

Year: 14760 Days

Day: 20.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,233,945 km

• M1: 55,052 km (0.064 R)
• M2: 246,088 km (0.095 R)
• M3: 394,789 km (0.118 R)
• M4: 536,458 km (0.109 R)
• M5: 712,535 km (0.059 R)
• M6: 844,031 km (0.118 R)
• M7: 1,084,285 km (0.088 R)
• M8: 1,354,609 km (0.115 R)
• M9: 2,102,897 km (0.112 R)
• M10: 2,397,755 km (0.054 R)
• M11: 3,020,979 km (0.046 R)
• M12: 3,422,201 km (0.059 R)
• M13: 3,608,450 km (0.097 R)
• M14: 5,281,403 km (0.116 R)
• M15: 7,498,743 km (0.112 R)
• M16: 7,904,901 km (0.104 R)
• M17: 9,624,977 km (0.091 R)
• M18: 10,158,743 km (0.109 R)
• M19: 15,302,366 km (0.079 R)
• M20: 16,625,859 km (0.101 R)
• M21: 19,246,963 km (0.11 R)
• M22: 21,676,582 km (0.098 R)
• M23: 24,400,310 km (0.114 R)
• M24: 25,793,366 km (0.102 R)
• M25: 27,661,245 km (0.088 R)
• M26: 27,874,122 km (0.083 R)
• M27: 31,779,824 km (0.109 R)
• M28: 32,721,093 km (0.048 R)
• M29: 37,187,338 km (0.073 R)
• M30: 37,707,340 km (0.109 R)
• M31: 39,028,588 km (0.065 R)
• M32: 41,762,938 km (0.025 R)
• M33: 43,607,181 km (0.052 R)
• M34: 46,549,322 km (0.059 R)
• M35: 47,762,262 km (0.078 R)
• M36: 54,644,811 km (0.089 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 13,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit