🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 8.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.68 AU - 0.76 AU

Year: 407 Days

Day: 9.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,210,023 km

• M1: 108,159 km (0.112 R)
• M2: 414,685 km (0.078 R)
• M3: 799,451 km (0.107 R)
• M4: 1,094,757 km (0.091 R)
• M5: 1,372,710 km (0.096 R)
• M6: 1,866,533 km (0.081 R)
• M7: 2,366,190 km (0.077 R)
• M8: 2,710,863 km (0.101 R)
• M9: 2,981,486 km (0.086 R)
• M10: 3,363,708 km (0.027 R)
• M11: 3,846,909 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 10.9

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.01 AU - 1.09 AU

Year: 717 Days

Day: 10.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,210,023 km

• M1: 135,536 km (0.102 R)
• M2: 480,060 km (0.075 R)
• M3: 853,605 km (0.037 R)
• M4: 1,559,558 km (0.06 R)
• M5: 2,069,836 km (0.083 R)
• M6: 2,538,227 km (0.102 R)
• M7: 2,892,026 km (0.063 R)
• M8: 3,398,714 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.1

Radius: 12.1

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.87 AU - 1.31 AU

Year: 759 Days

Day: 11.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,210,023 km

• M1: 150,495 km (0.104 R)
• M2: 936,632 km (0.026 R)
• M3: 1,369,868 km (0.093 R)
• M4: 1,793,678 km (0.045 R)
• M5: 2,326,845 km (0.115 R)
• M6: 2,731,956 km (0.102 R)
• M7: 3,359,819 km (0.055 R)
• M8: 4,642,172 km (0.104 R)
• M9: 7,108,741 km (0.104 R)
• M10: 8,903,018 km (0.109 R)
• M11: 9,339,694 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 13.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.84 AU - 1.36 AU

Year: 769 Days

Day: 9 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,210,023 km

• M1: 172,935 km (0.117 R)
• M2: 607,517 km (0.094 R)
• M3: 1,080,845 km (0.089 R)
• M4: 1,568,833 km (0.06 R)
• M5: 2,065,797 km (0.093 R)
• M6: 3,208,126 km (0.094 R)
• M7: 3,650,487 km (0.109 R)
• M8: 4,232,722 km (0.08 R)
• M9: 5,003,301 km (0.115 R)
• M10: 5,567,883 km (0.071 R)
• M11: 6,101,050 km (0.041 R)
• M12: 6,590,684 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 9.1

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.98 AU - 1.24 AU

Year: 780 Days

Day: 11.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,210,023 km

• M1: 113,246 km (0.041 R)
• M2: 398,379 km (0.074 R)
• M3: 752,028 km (0.111 R)
• M4: 1,275,621 km (0.1 R)
• M5: 1,719,328 km (0.066 R)
• M6: 2,881,105 km (0.12 R)
• M7: 3,291,752 km (0.071 R)
• M8: 3,740,994 km (0.093 R)
• M9: 4,165,254 km (0.118 R)
• M10: 4,943,611 km (0.082 R)
• M11: 5,338,699 km (0.066 R)
• M12: 8,014,706 km (0.104 R)
• M13: 9,440,822 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.3

Radius: 15

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.07 AU - 1.55 AU

Year: 1000 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 166.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,210,023 km

• M1: 186,549 km (0.085 R)
• M2: 812,616 km (0.103 R)
• M3: 1,376,001 km (0.108 R)
• M4: 1,843,495 km (0.082 R)
• M5: 2,364,394 km (0.12 R)
• M6: 3,076,031 km (0.09 R)
• M7: 4,103,170 km (0.067 R)
• M8: 4,609,110 km (0.085 R)
• M9: 5,309,976 km (0.111 R)
• M10: 5,975,687 km (0.092 R)
• M11: 6,450,211 km (0.079 R)
• M12: 6,996,543 km (0.052 R)
• M13: 7,623,208 km (0.092 R)
• M14: 9,879,144 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.6

Radius: 9.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.19 AU - 1.95 AU

Year: 1312 Days

Day: 13 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,210,023 km

• M1: 125,513 km (0.041 R)
• M2: 437,424 km (0.105 R)
• M3: 744,100 km (0.106 R)
• M4: 1,075,758 km (0.062 R)
• M5: 1,896,602 km (0.048 R)
• M6: 2,408,376 km (0.113 R)
• M7: 3,420,107 km (0.074 R)
• M8: 4,015,356 km (0.077 R)
• M9: 4,708,593 km (0.064 R)
• M10: 5,197,479 km (0.102 R)
• M11: 5,719,725 km (0.104 R)
• M12: 6,075,170 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.5

Radius: 12.5

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.4 AU - 3.3 AU

Year: 3208 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,210,023 km

• M1: 155,881 km (0.103 R)
• M2: 562,787 km (0.066 R)
• M3: 1,056,909 km (0.115 R)
• M4: 1,541,008 km (0.082 R)
• M5: 2,956,353 km (0.079 R)
• M6: 3,610,395 km (0.116 R)
• M7: 4,710,538 km (0.114 R)
• M8: 5,208,848 km (0.058 R)
• M9: 6,641,098 km (0.071 R)
• M10: 7,301,722 km (0.095 R)
• M11: 8,939,670 km (0.09 R)
• M12: 11,196,802 km (0.078 R)
• M13: 15,313,287 km (0.113 R)
• M14: 16,807,620 km (0.088 R)
• M15: 20,278,590 km (0.094 R)
• M16: 20,669,788 km (0.105 R)
• M17: 22,492,638 km (0.077 R)
• M18: 22,982,272 km (0.063 R)
• M19: 24,641,462 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.4

Radius: 5.6

Gravity: 28.01 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.6 AU - 6.36 AU

Year: 9752 Days

Day: 20.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,210,023 km

• M1: 69,713 km (0.104 R)
• M2: 348,413 km (0.093 R)
• M3: 577,897 km (0.044 R)
• M4: 1,549,385 km (0.109 R)
• M5: 1,958,087 km (0.106 R)
• M6: 2,681,093 km (0.099 R)
• M7: 3,079,921 km (0.071 R)
• M8: 3,391,982 km (0.069 R)
• M9: 3,995,460 km (0.102 R)
• M10: 4,576,199 km (0.063 R)
• M11: 4,918,778 km (0.081 R)
• M12: 5,112,657 km (0.108 R)
• M13: 5,867,976 km (0.036 R)
• M14: 6,695,103 km (0.102 R)
• M15: 7,218,995 km (0.106 R)
• M16: 8,671,291 km (0.11 R)
• M17: 8,859,635 km (0.039 R)
• M18: 9,293,469 km (0.058 R)
• M19: 12,198,958 km (0.1 R)
• M20: 12,675,278 km (0.096 R)
• M21: 12,918,075 km (0.115 R)
• M22: 16,220,897 km (0.117 R)
• M23: 17,237,564 km (0.108 R)
• M24: 17,913,148 km (0.114 R)
• M25: 21,046,027 km (0.102 R)
• M26: 21,817,503 km (0.076 R)
• M27: 22,254,179 km (0.066 R)
• M28: 24,059,526 km (0.045 R)
• M29: 25,765,690 km (0.087 R)
• M30: 26,155,393 km (0.07 R)
• M31: 30,597,701 km (0.064 R)
• M32: 30,815,815 km (0.112 R)
• M33: 40,676,259 km (0.078 R)
• M34: 43,227,502 km (0.113 R)
• M35: 45,174,069 km (0.107 R)
• M36: 48,943,038 km (0.098 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: 313 - 15,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit