🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.9

Radius: 13.9

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.44 AU - 0.6 AU

Year: 250 Days

Day: 5.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,277,497 km

• M1: 173,085 km (0.12 R)
• M2: 792,570 km (0.108 R)
• M3: 1,305,989 km (0.077 R)
• M4: 1,794,127 km (0.085 R)
• M5: 2,532,393 km (0.118 R)
• M6: 3,078,874 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.4

Radius: 8.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.48 AU - 0.64 AU

Year: 279 Days

Day: 5.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,277,497 km

• M1: 102,026 km (0.064 R)
• M2: 397,332 km (0.12 R)
• M3: 842,086 km (0.095 R)
• M4: 1,159,084 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.4

Radius: 8.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.51 AU - 0.67 AU

Year: 302 Days

Day: 11.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,277,497 km

• M1: 102,026 km (0.119 R)
• M2: 400,773 km (0.109 R)
• M3: 694,882 km (0.068 R)
• M4: 966,701 km (0.077 R)
• M5: 1,544,000 km (0.106 R)
• M6: 2,013,139 km (0.071 R)
• M7: 2,383,543 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 15

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.64 AU - 0.9 AU

Year: 451 Days

Day: 12.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,277,497 km

• M1: 186,549 km (0.119 R)
• M2: 677,080 km (0.061 R)
• M3: 1,214,585 km (0.092 R)
• M4: 1,749,996 km (0.038 R)
• M5: 2,513,244 km (0.044 R)
• M6: 2,996,146 km (0.091 R)
• M7: 3,668,738 km (0.071 R)
• M8: 4,295,553 km (0.105 R)
• M9: 5,387,019 km (0.09 R)
• M10: 5,926,320 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.4

Radius: 11.1

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.71 AU - 0.89 AU

Year: 477 Days

Day: 12.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,277,497 km

• M1: 138,528 km (0.115 R)
• M2: 542,741 km (0.089 R)
• M3: 993,180 km (0.119 R)
• M4: 1,607,280 km (0.119 R)
• M5: 2,022,713 km (0.107 R)
• M6: 2,480,781 km (0.112 R)
• M7: 2,855,973 km (0.067 R)
• M8: 3,269,162 km (0.079 R)
• M9: 3,997,704 km (0.085 R)
• M10: 4,939,572 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.4

Radius: 13.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.53 AU - 1.53 AU

Year: 1262 Days

Day: 10.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 160.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,277,497 km

• M1: 170,691 km (0.065 R)
• M2: 602,431 km (0.092 R)
• M3: 1,177,335 km (0.119 R)
• M4: 2,152,863 km (0.091 R)
• M5: 2,994,501 km (0.106 R)
• M6: 3,640,165 km (0.091 R)
• M7: 4,933,588 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.3

Radius: 13.5

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.61 AU - 1.83 AU

Year: 1504 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,277,497 km

• M1: 171,290 km (0.077 R)
• M2: 714,330 km (0.064 R)
• M3: 1,166,265 km (0.12 R)
• M4: 1,746,705 km (0.12 R)
• M5: 2,517,283 km (0.068 R)
• M6: 2,996,745 km (0.077 R)
• M7: 3,504,779 km (0.107 R)
• M8: 4,088,360 km (0.115 R)
• M9: 5,653,304 km (0.07 R)
• M10: 6,263,064 km (0.119 R)
• M11: 6,685,230 km (0.085 R)
• M12: 7,233,207 km (0.112 R)
• M13: 7,698,606 km (0.053 R)
• M14: 8,389,748 km (0.063 R)
• M15: 9,439,476 km (0.118 R)
• M16: 10,644,487 km (0.079 R)
• M17: 13,522,152 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 14.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.02 AU - 2.72 AU

Year: 2433 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,277,497 km

• M1: 176,675 km (0.091 R)
• M2: 708,944 km (0.094 R)
• M3: 1,153,848 km (0.108 R)
• M4: 1,717,384 km (0.09 R)
• M5: 2,215,395 km (0.041 R)
• M6: 2,810,645 km (0.056 R)
• M7: 3,402,005 km (0.099 R)
• M8: 3,874,734 km (0.087 R)
• M9: 4,348,511 km (0.111 R)
• M10: 4,907,558 km (0.063 R)
• M11: 6,618,509 km (0.114 R)
• M12: 9,155,240 km (0.115 R)
• M13: 10,078,409 km (0.101 R)
• M14: 13,314,360 km (0.032 R)
• M15: 14,450,706 km (0.062 R)
• M16: 15,344,553 km (0.091 R)
• M17: 16,012,956 km (0.118 R)
• M18: 17,629,511 km (0.101 R)
• M19: 20,316,139 km (0.063 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 13.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.23 AU - 3.25 AU

Year: 3025 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,277,497 km

• M1: 166,652 km (0.114 R)
• M2: 649,853 km (0.108 R)
• M3: 1,128,866 km (0.062 R)
• M4: 1,973,046 km (0.038 R)
• M5: 2,596,869 km (0.105 R)
• M6: 3,118,368 km (0.111 R)
• M7: 3,788,566 km (0.078 R)
• M8: 4,309,167 km (0.095 R)
• M9: 5,192,542 km (0.089 R)
• M10: 5,757,124 km (0.026 R)
• M11: 6,505,862 km (0.114 R)
• M12: 6,949,419 km (0.074 R)
• M13: 8,681,314 km (0.085 R)
• M14: 9,479,119 km (0.107 R)
• M15: 9,896,049 km (0.063 R)
• M16: 11,095,973 km (0.091 R)
• M17: 11,774,400 km (0.08 R)
• M18: 13,831,969 km (0.105 R)
• M19: 14,668,370 km (0.059 R)
• M20: 15,800,527 km (0.103 R)
• M21: 17,493,676 km (0.11 R)
• M22: 19,608,391 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.9

Radius: 3.3

Gravity: 31.3 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.86 AU - 10.76 AU

Year: 20490 Days

Day: 19 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,277,497 km

• M1: 40,990 km (0.109 R)
• M2: 235,617 km (0.115 R)
• M3: 576,401 km (0.101 R)
• M4: 1,581,399 km (0.111 R)
• M5: 2,994,351 km (0.106 R)
• M6: 4,875,843 km (0.042 R)
• M7: 5,473,786 km (0.069 R)
• M8: 6,645,437 km (0.041 R)
• M9: 13,668,907 km (0.039 R)
• M10: 17,646,266 km (0.096 R)
• M11: 17,806,784 km (0.032 R)
• M12: 20,157,715 km (0.071 R)
• M13: 25,463,951 km (0.117 R)
• M14: 41,914,331 km (0.062 R)
• M15: 42,057,197 km (0.064 R)
• M16: 44,533,790 km (0.112 R)
• M17: 46,186,996 km (0.09 R)
• M18: 47,569,879 km (0.085 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 17,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit