🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.9

Radius: 9

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.52 AU - 0.76 AU

Year: 341 Days

Day: 8.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,018,309 km

• M1: 112,198 km (0.094 R)
• M2: 535,560 km (0.067 R)
• M3: 823,686 km (0.043 R)
• M4: 1,415,645 km (0.079 R)
• M5: 1,992,045 km (0.1 R)
• M6: 2,495,292 km (0.032 R)
• M7: 3,645,251 km (0.115 R)
• M8: 4,290,018 km (0.097 R)
• M9: 4,829,468 km (0.097 R)
• M10: 5,115,798 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.8

Radius: 14.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.89 AU - 1.07 AU

Year: 647 Days

Day: 6.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,018,309 km

• M1: 181,612 km (0.087 R)
• M2: 663,317 km (0.078 R)
• M3: 1,305,690 km (0.082 R)
• M4: 2,052,034 km (0.065 R)
• M5: 2,534,786 km (0.118 R)
• M6: 3,345,158 km (0.104 R)
• M7: 3,825,218 km (0.059 R)
• M8: 5,584,339 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.3

Radius: 13.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.83 AU - 1.27 AU

Year: 717 Days

Day: 9.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,018,309 km

• M1: 171,589 km (0.096 R)
• M2: 702,960 km (0.108 R)
• M3: 1,205,011 km (0.088 R)
• M4: 2,071,033 km (0.09 R)
• M5: 2,556,927 km (0.098 R)
• M6: 3,142,752 km (0.084 R)
• M7: 3,646,598 km (0.106 R)
• M8: 5,255,672 km (0.051 R)
• M9: 5,754,581 km (0.065 R)
• M10: 6,456,345 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.9

Radius: 9.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.04 AU - 1.14 AU

Year: 759 Days

Day: 14 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,018,309 km

• M1: 114,592 km (0.036 R)
• M2: 460,612 km (0.077 R)
• M3: 763,847 km (0.073 R)
• M4: 1,285,794 km (0.118 R)
• M5: 1,954,795 km (0.104 R)
• M6: 2,349,135 km (0.104 R)
• M7: 3,534,698 km (0.045 R)
• M8: 4,081,628 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.8

Radius: 8.7

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.58 AU - 2.82 AU

Year: 2959 Days

Day: 13.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,018,309 km

• M1: 140,622 km (0.039 R)
• M2: 486,043 km (0.096 R)
• M3: 3,181,797 km (0.062 R)
• M4: 4,627,212 km (0.092 R)
• M5: 5,170,850 km (0.12 R)
• M6: 6,331,131 km (0.058 R)
• M7: 7,323,863 km (0.08 R)
• M8: 7,967,433 km (0.044 R)
• M9: 11,640,958 km (0.093 R)
• M10: 12,220,201 km (0.083 R)
• M11: 12,559,788 km (0.113 R)
• M12: 14,826,944 km (0.089 R)
• M13: 16,107,502 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.6

Radius: 12.2

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.42 AU - 3.56 AU

Year: 3448 Days

Day: 14.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,018,309 km

• M1: 153,487 km (0.072 R)
• M2: 587,620 km (0.073 R)
• M3: 1,170,005 km (0.092 R)
• M4: 1,611,319 km (0.106 R)
• M5: 2,082,253 km (0.1 R)
• M6: 2,860,012 km (0.119 R)
• M7: 4,143,861 km (0.113 R)
• M8: 4,648,006 km (0.066 R)
• M9: 6,471,005 km (0.102 R)
• M10: 12,192,974 km (0.118 R)
• M11: 13,427,905 km (0.115 R)
• M12: 13,974,835 km (0.111 R)
• M13: 17,050,417 km (0.1 R)
• M14: 19,085,696 km (0.085 R)
• M15: 20,813,701 km (0.111 R)
• M16: 21,345,223 km (0.066 R)
• M17: 21,885,720 km (0.094 R)
• M18: 23,922,046 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.6

Radius: 11.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.52 AU - 3.62 AU

Year: 4498 Days

Day: 7.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,018,309 km

• M1: 150,196 km (0.095 R)
• M2: 639,830 km (0.087 R)
• M3: 1,119,740 km (0.108 R)
• M4: 1,645,577 km (0.066 R)
• M5: 2,811,842 km (0.037 R)
• M6: 3,279,335 km (0.084 R)
• M7: 6,236,586 km (0.093 R)
• M8: 6,972,906 km (0.09 R)
• M9: 8,766,884 km (0.102 R)
• M10: 9,493,481 km (0.055 R)
• M11: 13,793,672 km (0.119 R)
• M12: 15,150,674 km (0.064 R)
• M13: 15,640,457 km (0.1 R)
• M14: 24,464,937 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.4

Radius: 11.8

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.69 AU - 4.65 AU

Year: 5679 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,018,309 km

• M1: 146,756 km (0.063 R)
• M2: 564,582 km (0.106 R)
• M3: 1,049,429 km (0.108 R)
• M4: 1,467,406 km (0.031 R)
• M5: 2,182,184 km (0.112 R)
• M6: 2,687,675 km (0.083 R)
• M7: 3,510,314 km (0.028 R)
• M8: 4,185,599 km (0.11 R)
• M9: 5,023,796 km (0.071 R)
• M10: 5,941,279 km (0.099 R)
• M11: 6,455,896 km (0.105 R)
• M12: 7,470,918 km (0.106 R)
• M13: 7,998,998 km (0.074 R)
• M14: 8,934,284 km (0.045 R)
• M15: 10,711,806 km (0.098 R)
• M16: 11,894,676 km (0.079 R)
• M17: 13,012,023 km (0.057 R)
• M18: 13,519,160 km (0.115 R)
• M19: 15,511,205 km (0.087 R)
• M20: 16,255,454 km (0.104 R)
• M21: 17,446,702 km (0.098 R)
• M22: 18,887,778 km (0.078 R)
• M23: 22,219,772 km (0.108 R)
• M24: 23,760,929 km (0.114 R)
• M25: 26,004,747 km (0.042 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.4

Radius: 13.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.91 AU - 6.13 AU

Year: 8648 Days

Day: 8.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,018,309 km

• M1: 169,494 km (0.083 R)
• M2: 717,172 km (0.097 R)
• M3: 1,186,610 km (0.073 R)
• M4: 1,647,372 km (0.077 R)
• M5: 2,780,576 km (0.079 R)
• M6: 3,374,479 km (0.114 R)
• M7: 4,409,846 km (0.093 R)
• M8: 4,849,215 km (0.117 R)
• M9: 5,920,485 km (0.114 R)
• M10: 6,605,644 km (0.057 R)
• M11: 8,891,050 km (0.054 R)
• M12: 9,404,919 km (0.117 R)
• M13: 10,137,500 km (0.093 R)
• M14: 11,013,545 km (0.077 R)
• M15: 14,513,537 km (0.037 R)
• M16: 14,965,023 km (0.101 R)
• M17: 15,761,183 km (0.09 R)
• M18: 21,640,828 km (0.105 R)
• M19: 24,791,060 km (0.094 R)
• M20: 27,150,966 km (0.068 R)
• M21: 27,738,886 km (0.042 R)
• M22: 34,779,560 km (0.112 R)
• M23: 37,248,075 km (0.094 R)
• M24: 43,591,772 km (0.069 R)
• M25: 45,764,681 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 14,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit