🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.1

Radius: 14.3

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.22 AU - 1.34 AU

Year: 966 Days

Day: 10.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,839,809 km

• M1: 258,505 km (0.113 R)
• M2: 809,624 km (0.11 R)
• M3: 1,788,143 km (0.118 R)
• M4: 2,683,038 km (0.07 R)
• M5: 3,177,160 km (0.092 R)
• M6: 4,870,308 km (0.109 R)
• M7: 5,857,505 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170

Radius: 14.2

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.2 AU - 1.4 AU

Year: 988 Days

Day: 14.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,839,809 km

• M1: 176,675 km (0.042 R)
• M2: 959,521 km (0.099 R)
• M3: 1,888,673 km (0.085 R)
• M4: 3,480,394 km (0.097 R)
• M5: 4,757,511 km (0.055 R)
• M6: 5,214,234 km (0.112 R)
• M7: 5,927,965 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.7

Radius: 11.7

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.19 AU - 1.93 AU

Year: 1299 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,839,809 km

• M1: 146,157 km (0.095 R)
• M2: 611,257 km (0.052 R)
• M3: 1,202,916 km (0.095 R)
• M4: 1,643,033 km (0.109 R)
• M5: 2,423,785 km (0.104 R)
• M6: 2,831,588 km (0.089 R)
• M7: 3,270,658 km (0.117 R)
• M8: 3,870,995 km (0.066 R)
• M9: 4,251,272 km (0.077 R)
• M10: 4,733,127 km (0.086 R)
• M11: 6,191,407 km (0.105 R)
• M12: 7,163,494 km (0.075 R)
• M13: 7,740,044 km (0.072 R)
• M14: 8,122,865 km (0.088 R)
• M15: 8,779,301 km (0.107 R)
• M16: 9,719,822 km (0.106 R)
• M17: 10,296,073 km (0.037 R)
• M18: 11,307,056 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.5

Radius: 9

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.38 AU - 2.12 AU

Year: 1544 Days

Day: 13.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,839,809 km

• M1: 112,049 km (0.077 R)
• M2: 406,906 km (0.08 R)
• M3: 901,926 km (0.104 R)
• M4: 1,274,424 km (0.096 R)
• M5: 1,624,633 km (0.068 R)
• M6: 1,921,136 km (0.118 R)
• M7: 2,397,755 km (0.039 R)
• M8: 2,691,116 km (0.087 R)
• M9: 3,492,213 km (0.11 R)
• M10: 3,837,036 km (0.07 R)
• M11: 6,147,276 km (0.093 R)
• M12: 7,608,249 km (0.083 R)
• M13: 8,861,729 km (0.044 R)
• M14: 10,313,726 km (0.118 R)
• M15: 10,683,233 km (0.117 R)
• M16: 11,061,566 km (0.12 R)
• M17: 12,176,070 km (0.08 R)
• M18: 12,741,550 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.9

Radius: 13.2

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.23 AU - 3.47 AU

Year: 3208 Days

Day: 7.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,839,809 km

• M1: 165,006 km (0.079 R)
• M2: 624,721 km (0.113 R)
• M3: 1,041,351 km (0.048 R)
• M4: 1,467,555 km (0.05 R)
• M5: 1,896,452 km (0.103 R)
• M6: 2,759,482 km (0.114 R)
• M7: 4,262,791 km (0.06 R)
• M8: 5,715,536 km (0.119 R)
• M9: 6,677,750 km (0.115 R)
• M10: 7,476,453 km (0.119 R)
• M11: 8,090,253 km (0.104 R)
• M12: 12,041,282 km (0.038 R)
• M13: 12,458,810 km (0.088 R)
• M14: 13,030,573 km (0.104 R)
• M15: 15,823,266 km (0.077 R)
• M16: 17,595,402 km (0.087 R)
• M17: 18,073,517 km (0.104 R)
• M18: 19,944,089 km (0.081 R)
• M19: 22,425,020 km (0.101 R)
• M20: 24,582,521 km (0.099 R)
• M21: 25,105,215 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849

Radius: 9.9

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.87 AU - 3.91 AU

Year: 4162 Days

Day: 13.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,839,809 km

• M1: 123,269 km (0.087 R)
• M2: 591,510 km (0.091 R)
• M3: 942,018 km (0.119 R)
• M4: 1,390,961 km (0.103 R)
• M5: 2,136,407 km (0.099 R)
• M6: 2,658,653 km (0.086 R)
• M7: 3,015,295 km (0.104 R)
• M8: 3,547,564 km (0.115 R)
• M9: 4,826,327 km (0.109 R)
• M10: 5,757,274 km (0.113 R)
• M11: 6,836,024 km (0.089 R)
• M12: 8,680,416 km (0.053 R)
• M13: 12,180,259 km (0.099 R)
• M14: 12,668,995 km (0.055 R)
• M15: 14,214,042 km (0.089 R)
• M16: 14,921,191 km (0.1 R)
• M17: 20,475,311 km (0.081 R)
• M18: 21,166,752 km (0.073 R)
• M19: 21,518,307 km (0.101 R)
• M20: 22,596,310 km (0.087 R)
• M21: 23,037,324 km (0.056 R)
• M22: 24,472,267 km (0.099 R)
• M23: 24,937,516 km (0.094 R)
• M24: 26,857,755 km (0.039 R)
• M25: 27,854,076 km (0.101 R)
• M26: 28,191,569 km (0.12 R)
• M27: 28,617,175 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.4

Radius: 13.3

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.98 AU - 6.03 AU

Year: 7456 Days

Day: 9.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,839,809 km

• M1: 166,054 km (0.118 R)
• M2: 812,466 km (0.066 R)
• M3: 1,253,780 km (0.107 R)
• M4: 1,782,758 km (0.066 R)
• M5: 3,486,678 km (0.083 R)
• M6: 3,984,090 km (0.04 R)
• M7: 4,858,490 km (0.055 R)
• M8: 6,249,900 km (0.107 R)
• M9: 6,757,485 km (0.07 R)
• M10: 7,430,825 km (0.077 R)
• M11: 8,600,980 km (0.096 R)
• M12: 9,474,332 km (0.1 R)
• M13: 10,984,672 km (0.055 R)
• M14: 14,369,324 km (0.107 R)
• M15: 15,370,284 km (0.067 R)
• M16: 16,836,941 km (0.1 R)
• M17: 17,511,029 km (0.037 R)
• M18: 18,978,883 km (0.098 R)
• M19: 19,776,539 km (0.106 R)
• M20: 22,085,582 km (0.087 R)
• M21: 23,342,803 km (0.03 R)
• M22: 25,757,462 km (0.066 R)
• M23: 28,506,173 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.5

Radius: 5.2

Gravity: 22.21 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.11 AU - 8.33 AU

Year: 12937 Days

Day: 19.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 47,839,809 km

• M1: 64,626 km (0.119 R)
• M2: 279,299 km (0.081 R)
• M3: 468,092 km (0.027 R)
• M4: 752,776 km (0.097 R)
• M5: 1,504,356 km (0.112 R)
• M6: 1,781,262 km (0.077 R)
• M7: 2,397,156 km (0.115 R)
• M8: 2,560,816 km (0.044 R)
• M9: 3,392,132 km (0.046 R)
• M10: 4,152,986 km (0.088 R)
• M11: 4,956,177 km (0.112 R)
• M12: 5,641,037 km (0.091 R)
• M13: 8,209,782 km (0.096 R)
• M14: 8,442,107 km (0.11 R)
• M15: 11,874,331 km (0.119 R)
• M16: 12,595,991 km (0.027 R)
• M17: 12,905,060 km (0.108 R)
• M18: 13,603,084 km (0.083 R)
• M19: 14,192,500 km (0.108 R)
• M20: 15,705,084 km (0.092 R)
• M21: 16,721,601 km (0.071 R)
• M22: 16,944,951 km (0.097 R)
• M23: 17,397,784 km (0.103 R)
• M24: 17,858,695 km (0.119 R)
• M25: 18,170,307 km (0.047 R)
• M26: 20,117,323 km (0.068 R)
• M27: 21,577,847 km (0.04 R)
• M28: 22,378,944 km (0.118 R)
• M29: 22,923,779 km (0.096 R)
• M30: 25,980,662 km (0.096 R)
• M31: 28,762,584 km (0.115 R)
• M32: 36,760,236 km (0.097 R)
• M33: 40,790,702 km (0.033 R)
• M34: 45,829,457 km (0.091 R)
• M35: 46,120,874 km (0.074 R)
• M36: 46,560,542 km (0.09 R)
• M37: 47,596,956 km (0.081 R)
• M38: 51,896,997 km (0.119 R)
• M39: 53,493,356 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.9

Radius: 3.5

Gravity: 33.22 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.43 AU - 8.01 AU

Year: 12937 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,839,809 km

• M1: 43,683 km (0.114 R)
• M2: 180,415 km (0.089 R)
• M3: 317,596 km (0.073 R)
• M4: 492,476 km (0.111 R)
• M5: 671,844 km (0.083 R)
• M6: 963,560 km (0.111 R)
• M7: 4,170,789 km (0.112 R)
• M8: 4,370,053 km (0.115 R)
• M9: 4,545,830 km (0.115 R)
• M10: 4,695,877 km (0.107 R)
• M11: 5,632,360 km (0.071 R)
• M12: 7,280,779 km (0.098 R)
• M13: 8,527,527 km (0.117 R)
• M14: 8,664,110 km (0.1 R)
• M15: 12,869,007 km (0.083 R)
• M16: 14,162,879 km (0.115 R)
• M17: 16,720,255 km (0.12 R)
• M18: 19,099,310 km (0.057 R)
• M19: 23,341,457 km (0.111 R)
• M20: 24,150,033 km (0.033 R)
• M21: 25,632,997 km (0.071 R)
• M22: 30,550,877 km (0.083 R)
• M23: 31,193,101 km (0.104 R)
• M24: 35,471,002 km (0.105 R)
• M25: 35,588,585 km (0.092 R)
• M26: 36,899,063 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 15,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit