🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 12.1

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.45 AU - 1.51 AU

Year: 1163 Days

Day: 9.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,342,153 km

• M1: 151,543 km (0.104 R)
• M2: 571,015 km (0.091 R)
• M3: 977,921 km (0.038 R)
• M4: 1,385,575 km (0.082 R)
• M5: 2,129,974 km (0.06 R)
• M6: 2,638,308 km (0.094 R)
• M7: 3,331,096 km (0.097 R)
• M8: 3,721,097 km (0.062 R)
• M9: 4,999,710 km (0.068 R)
• M10: 5,408,113 km (0.08 R)
• M11: 7,143,448 km (0.08 R)
• M12: 8,837,045 km (0.105 R)
• M13: 10,095,164 km (0.081 R)
• M14: 11,020,726 km (0.075 R)
• M15: 11,504,226 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.5

Radius: 13.6

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.21 AU - 2.01 AU

Year: 1319 Days

Day: 10.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,342,153 km

• M1: 169,195 km (0.119 R)
• M2: 647,609 km (0.111 R)
• M3: 1,075,908 km (0.062 R)
• M4: 1,713,494 km (0.054 R)
• M5: 2,147,029 km (0.114 R)
• M6: 2,584,453 km (0.047 R)
• M7: 3,511,212 km (0.118 R)
• M8: 4,190,087 km (0.118 R)
• M9: 5,449,850 km (0.117 R)
• M10: 5,894,156 km (0.067 R)
• M11: 6,384,688 km (0.061 R)
• M12: 8,099,528 km (0.027 R)
• M13: 8,788,725 km (0.117 R)
• M14: 9,574,413 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 9.8

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.9 AU - 2.88 AU

Year: 2386 Days

Day: 10.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,342,153 km

• M1: 124,765 km (0.098 R)
• M2: 483,201 km (0.119 R)
• M3: 1,090,120 km (0.119 R)
• M4: 1,475,933 km (0.074 R)
• M5: 1,983,518 km (0.098 R)
• M6: 2,719,839 km (0.034 R)
• M7: 4,488,535 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.3

Radius: 8.3

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.29 AU - 2.69 AU

Year: 2537 Days

Day: 7.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,342,153 km

• M1: 103,372 km (0.069 R)
• M2: 464,352 km (0.08 R)
• M3: 794,065 km (0.043 R)
• M4: 1,165,816 km (0.089 R)
• M5: 1,833,472 km (0.101 R)
• M6: 2,781,772 km (0.068 R)
• M7: 4,691,090 km (0.109 R)
• M8: 5,353,360 km (0.102 R)
• M9: 6,405,781 km (0.083 R)
• M10: 8,401,117 km (0.111 R)
• M11: 9,055,010 km (0.085 R)
• M12: 9,668,361 km (0.109 R)
• M13: 15,309,098 km (0.085 R)
• M14: 17,961,917 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 12.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.63 AU - 3.43 AU

Year: 3405 Days

Day: 14.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,342,153 km

• M1: 157,078 km (0.108 R)
• M2: 554,260 km (0.106 R)
• M3: 1,140,534 km (0.056 R)
• M4: 2,087,189 km (0.102 R)
• M5: 2,561,564 km (0.077 R)
• M6: 2,955,904 km (0.09 R)
• M7: 3,577,035 km (0.115 R)
• M8: 4,031,513 km (0.062 R)
• M9: 4,682,563 km (0.115 R)
• M10: 6,306,597 km (0.025 R)
• M11: 7,185,784 km (0.081 R)
• M12: 8,111,496 km (0.097 R)
• M13: 8,760,003 km (0.051 R)
• M14: 9,187,254 km (0.096 R)
• M15: 9,930,456 km (0.111 R)
• M16: 10,915,259 km (0.102 R)
• M17: 13,496,720 km (0.114 R)
• M18: 14,261,763 km (0.096 R)
• M19: 18,644,083 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478

Radius: 8.8

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.49 AU - 5.47 AU

Year: 7176 Days

Day: 10.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,342,153 km

• M1: 109,506 km (0.119 R)
• M2: 590,762 km (0.059 R)
• M3: 1,319,004 km (0.097 R)
• M4: 1,694,196 km (0.074 R)
• M5: 2,484,821 km (0.085 R)
• M6: 3,394,076 km (0.108 R)
• M7: 3,703,894 km (0.088 R)
• M8: 4,304,529 km (0.111 R)
• M9: 4,722,057 km (0.078 R)
• M10: 5,547,687 km (0.117 R)
• M11: 7,050,099 km (0.052 R)
• M12: 8,522,142 km (0.109 R)
• M13: 9,830,375 km (0.105 R)
• M14: 11,610,889 km (0.119 R)
• M15: 12,577,291 km (0.094 R)
• M16: 13,817,907 km (0.092 R)
• M17: 15,737,546 km (0.066 R)
• M18: 17,047,874 km (0.095 R)
• M19: 20,822,378 km (0.097 R)
• M20: 21,488,986 km (0.108 R)
• M21: 24,055,038 km (0.074 R)
• M22: 24,542,578 km (0.085 R)
• M23: 29,693,981 km (0.106 R)
• M24: 33,267,574 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903

Radius: 5.6

Gravity: 28.79 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.26 AU - 7.68 AU

Year: 10626 Days

Day: 19.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,342,153 km

• M1: 69,862 km (0.119 R)
• M2: 254,167 km (0.092 R)
• M3: 568,622 km (0.114 R)
• M4: 1,335,011 km (0.038 R)
• M5: 2,016,131 km (0.029 R)
• M6: 2,275,384 km (0.088 R)
• M7: 3,116,423 km (0.109 R)
• M8: 3,809,360 km (0.105 R)
• M9: 4,445,750 km (0.069 R)
• M10: 5,853,914 km (0.109 R)
• M11: 6,039,266 km (0.116 R)
• M12: 7,799,584 km (0.107 R)
• M13: 8,917,679 km (0.11 R)
• M14: 11,525,319 km (0.077 R)
• M15: 13,159,526 km (0.103 R)
• M16: 15,641,355 km (0.094 R)
• M17: 20,985,290 km (0.046 R)
• M18: 22,761,914 km (0.094 R)
• M19: 23,593,080 km (0.114 R)
• M20: 24,348,849 km (0.116 R)
• M21: 28,054,986 km (0.057 R)
• M22: 29,010,169 km (0.1 R)
• M23: 33,637,081 km (0.113 R)
• M24: 35,815,077 km (0.08 R)
• M25: 44,604,550 km (0.076 R)
• M26: 48,731,207 km (0.101 R)
• M27: 49,493,857 km (0.108 R)
• M28: 50,730,732 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.2

Radius: 6.9

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.11 AU - 11.11 AU

Year: 17754 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,342,153 km

• M1: 85,869 km (0.079 R)
• M2: 623,823 km (0.104 R)
• M3: 850,613 km (0.1 R)
• M4: 1,108,670 km (0.054 R)
• M5: 1,524,701 km (0.115 R)
• M6: 1,769,593 km (0.114 R)
• M7: 2,759,482 km (0.1 R)
• M8: 4,138,176 km (0.085 R)
• M9: 4,358,085 km (0.095 R)
• M10: 5,390,460 km (0.096 R)
• M11: 6,451,109 km (0.112 R)
• M12: 6,704,677 km (0.075 R)
• M13: 10,635,212 km (0.114 R)
• M14: 12,420,662 km (0.109 R)
• M15: 17,617,842 km (0.089 R)
• M16: 21,195,924 km (0.119 R)
• M17: 21,757,066 km (0.107 R)
• M18: 22,617,552 km (0.103 R)
• M19: 27,703,581 km (0.104 R)
• M20: 42,375,691 km (0.046 R)
• M21: 53,036,484 km (0.105 R)
• M22: 57,071,887 km (0.101 R)
• M23: 59,996,824 km (0.115 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: 155 - 18,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit