🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.6

Radius: 10.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.56 AU - 0.6 AU

Year: 305 Days

Day: 9.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,191,200 km

• M1: 126,859 km (0.072 R)
• M2: 462,108 km (0.08 R)
• M3: 855,251 km (0.089 R)
• M4: 1,251,685 km (0.115 R)
• M5: 1,657,544 km (0.067 R)
• M6: 2,026,453 km (0.079 R)
• M7: 2,436,351 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.9

Radius: 10.5

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.92 AU - 1.42 AU

Year: 874 Days

Day: 5.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,191,200 km

• M1: 130,599 km (0.112 R)
• M2: 531,372 km (0.119 R)
• M3: 976,575 km (0.069 R)
• M4: 1,590,824 km (0.096 R)
• M5: 2,235,291 km (0.09 R)
• M6: 2,600,609 km (0.079 R)
• M7: 2,966,077 km (0.112 R)
• M8: 3,351,740 km (0.058 R)
• M9: 3,865,011 km (0.074 R)
• M10: 4,224,494 km (0.065 R)
• M11: 4,824,531 km (0.106 R)
• M12: 5,914,501 km (0.027 R)
• M13: 7,258,339 km (0.115 R)
• M14: 7,885,453 km (0.067 R)
• M15: 8,305,524 km (0.099 R)
• M16: 9,745,104 km (0.052 R)
• M17: 10,076,314 km (0.074 R)
• M18: 10,666,029 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.7

Radius: 11.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.11 AU - 1.63 AU

Year: 1107 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,191,200 km

• M1: 148,700 km (0.051 R)
• M2: 547,678 km (0.12 R)
• M3: 1,139,936 km (0.076 R)
• M4: 1,647,671 km (0.114 R)
• M5: 2,315,925 km (0.107 R)
• M6: 3,301,924 km (0.051 R)
• M7: 3,825,816 km (0.113 R)
• M8: 5,060,746 km (0.074 R)
• M9: 5,485,156 km (0.087 R)
• M10: 6,903,194 km (0.099 R)
• M11: 7,711,022 km (0.106 R)
• M12: 9,605,679 km (0.119 R)
• M13: 10,612,623 km (0.12 R)
• M14: 11,515,894 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.2

Radius: 11.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.21 AU - 2.75 AU

Year: 2696 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,191,200 km

• M1: 166,802 km (0.089 R)
• M2: 543,788 km (0.089 R)
• M3: 1,069,924 km (0.119 R)
• M4: 1,785,151 km (0.098 R)
• M5: 2,196,845 km (0.101 R)
• M6: 2,672,117 km (0.118 R)
• M7: 3,111,486 km (0.034 R)
• M8: 6,442,582 km (0.119 R)
• M9: 7,902,657 km (0.102 R)
• M10: 8,401,267 km (0.041 R)
• M11: 9,721,468 km (0.095 R)
• M12: 11,550,003 km (0.043 R)
• M13: 12,412,584 km (0.113 R)
• M14: 12,950,538 km (0.081 R)
• M15: 14,510,245 km (0.06 R)
• M16: 16,457,411 km (0.106 R)
• M17: 17,382,674 km (0.069 R)
• M18: 19,040,518 km (0.109 R)
• M19: 19,696,205 km (0.108 R)
• M20: 20,864,116 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.6

Radius: 11.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.11 AU - 3.89 AU

Year: 4520 Days

Day: 5.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,191,200 km

• M1: 141,520 km (0.073 R)
• M2: 518,207 km (0.077 R)
• M3: 1,036,564 km (0.112 R)
• M4: 1,608,476 km (0.102 R)
• M5: 2,204,474 km (0.051 R)
• M6: 2,907,734 km (0.082 R)
• M7: 3,351,142 km (0.11 R)
• M8: 4,351,652 km (0.102 R)
• M9: 5,010,631 km (0.102 R)
• M10: 5,651,209 km (0.114 R)
• M11: 7,392,379 km (0.097 R)
• M12: 8,404,109 km (0.09 R)
• M13: 8,811,165 km (0.1 R)
• M14: 9,309,176 km (0.108 R)
• M15: 11,357,470 km (0.081 R)
• M16: 13,538,607 km (0.094 R)
• M17: 14,621,845 km (0.117 R)
• M18: 15,266,313 km (0.074 R)
• M19: 15,817,731 km (0.104 R)
• M20: 20,057,035 km (0.117 R)
• M21: 23,077,865 km (0.086 R)
• M22: 26,076,255 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 8

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.54 AU - 3.72 AU

Year: 4774 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,191,200 km

• M1: 99,483 km (0.088 R)
• M2: 398,978 km (0.095 R)
• M3: 699,370 km (0.104 R)
• M4: 1,032,674 km (0.045 R)
• M5: 1,284,148 km (0.06 R)
• M6: 2,146,580 km (0.067 R)
• M7: 2,632,025 km (0.105 R)
• M8: 3,645,401 km (0.111 R)
• M9: 4,004,286 km (0.05 R)
• M10: 4,536,107 km (0.033 R)
• M11: 4,978,468 km (0.064 R)
• M12: 6,321,108 km (0.07 R)
• M13: 6,577,220 km (0.075 R)
• M14: 7,352,436 km (0.099 R)
• M15: 8,149,643 km (0.111 R)
• M16: 9,957,833 km (0.075 R)
• M17: 10,437,593 km (0.101 R)
• M18: 10,705,672 km (0.115 R)
• M19: 11,024,316 km (0.108 R)
• M20: 12,214,217 km (0.105 R)
• M21: 12,763,990 km (0.088 R)
• M22: 17,333,157 km (0.08 R)
• M23: 18,155,646 km (0.08 R)
• M24: 20,429,684 km (0.114 R)
• M25: 26,848,928 km (0.084 R)
• M26: 29,255,808 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758

Radius: 10

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.19 AU - 5.99 AU

Year: 7927 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,191,200 km

• M1: 125,812 km (0.098 R)
• M2: 593,904 km (0.087 R)
• M3: 912,248 km (0.041 R)
• M4: 1,373,458 km (0.101 R)
• M5: 1,832,873 km (0.069 R)
• M6: 2,234,394 km (0.101 R)
• M7: 2,999,886 km (0.087 R)
• M8: 3,585,412 km (0.086 R)
• M9: 4,192,032 km (0.118 R)
• M10: 5,480,518 km (0.072 R)
• M11: 6,940,593 km (0.073 R)
• M12: 7,720,297 km (0.07 R)
• M13: 8,131,542 km (0.097 R)
• M14: 10,020,963 km (0.046 R)
• M15: 11,067,998 km (0.1 R)
• M16: 11,644,848 km (0.047 R)
• M17: 12,241,594 km (0.116 R)
• M18: 13,203,658 km (0.109 R)
• M19: 13,792,774 km (0.111 R)
• M20: 14,337,759 km (0.119 R)
• M21: 15,861,713 km (0.117 R)
• M22: 17,420,822 km (0.096 R)
• M23: 19,378,459 km (0.086 R)
• M24: 21,398,180 km (0.105 R)
• M25: 23,383,643 km (0.097 R)
• M26: 24,071,943 km (0.118 R)
• M27: 25,851,709 km (0.034 R)
• M28: 29,273,611 km (0.068 R)
• M29: 34,180,271 km (0.091 R)
• M30: 37,818,192 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.4

Radius: 7.3

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.86 AU - 8.62 AU

Year: 13447 Days

Day: 15.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,191,200 km

• M1: 92,003 km (0.061 R)
• M2: 503,098 km (0.057 R)
• M3: 827,575 km (0.113 R)
• M4: 2,521,023 km (0.108 R)
• M5: 3,235,652 km (0.119 R)
• M6: 3,548,611 km (0.082 R)
• M7: 4,327,118 km (0.077 R)
• M8: 5,373,705 km (0.07 R)
• M9: 7,817,835 km (0.103 R)
• M10: 8,275,006 km (0.116 R)
• M11: 8,749,979 km (0.082 R)
• M12: 17,800,351 km (0.033 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.5

Radius: 3.2

Gravity: 66.65 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.19 AU - 8.25 AU

Year: 14806 Days

Day: 16.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,191,200 km

• M1: 40,840 km (0.06 R)
• M2: 203,154 km (0.102 R)
• M3: 433,385 km (0.073 R)
• M4: 607,218 km (0.067 R)
• M5: 953,836 km (0.064 R)
• M6: 1,508,994 km (0.059 R)
• M7: 2,376,362 km (0.037 R)
• M8: 2,820,369 km (0.057 R)
• M9: 6,575,275 km (0.096 R)
• M10: 7,307,108 km (0.088 R)
• M11: 10,493,393 km (0.081 R)
• M12: 12,229,177 km (0.118 R)
• M13: 15,654,669 km (0.113 R)
• M14: 15,953,566 km (0.081 R)
• M15: 18,482,667 km (0.067 R)
• M16: 20,457,060 km (0.106 R)
• M17: 24,617,377 km (0.116 R)
• M18: 29,533,911 km (0.052 R)
• M19: 30,335,157 km (0.103 R)
• M20: 37,939,666 km (0.12 R)
• M21: 40,966,629 km (0.112 R)
• M22: 44,150,670 km (0.106 R)
• M23: 47,340,097 km (0.085 R)
• M24: 51,497,122 km (0.064 R)
• M25: 61,263,619 km (0.102 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: 274 - 14,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit