🌌 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 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.61 AU - 0.67 AU

Year: 336 Days

Day: 15.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 49.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 14.2

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.59 AU - 0.79 AU

Year: 376 Days

Day: 11.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 7,028,814 km

• M1: 184,454 km (0.074 R)
• M2: 273,315 km (0.075 R)
• M3: 366,066 km (0.03 R)
• M4: 468,391 km (0.09 R)
• M5: 608,265 km (0.113 R)
• M6: 705,055 km (0.114 R)
• M7: 950,694 km (0.055 R)
• M8: 1,102,536 km (0.057 R)
• M9: 1,193,193 km (0.039 R)
• M10: 1,573,022 km (0.064 R)
• M11: 1,761,365 km (0.093 R)
• M12: 1,853,069 km (0.094 R)
• M13: 1,968,708 km (0.088 R)
• M14: 2,064,151 km (0.093 R)
• M15: 2,155,406 km (0.101 R)
• M16: 2,289,147 km (0.082 R)
• M17: 2,401,794 km (0.116 R)
• M18: 2,498,284 km (0.1 R)
• M19: 2,670,172 km (0.092 R)
• M20: 2,865,248 km (0.12 R)
• M21: 3,150,382 km (0.094 R)
• M22: 3,390,785 km (0.1 R)
• M23: 3,499,543 km (0.112 R)
• M24: 3,644,204 km (0.093 R)
• M25: 3,769,717 km (0.086 R)
• M26: 3,868,451 km (0.078 R)
• M27: 3,967,934 km (0.116 R)
• M28: 4,235,415 km (0.109 R)
• M29: 4,338,189 km (0.084 R)
• M30: 4,456,670 km (0.056 R)
• M31: 4,553,759 km (0.118 R)
• M32: 4,643,967 km (0.112 R)
• M33: 4,750,032 km (0.087 R)
• M34: 4,879,883 km (0.082 R)
• M35: 5,057,605 km (0.119 R)
• M36: 5,198,077 km (0.09 R)
• M37: 5,340,046 km (0.069 R)
• M38: 5,451,346 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.3

Radius: 13.2

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.81 AU - 0.85 AU

Year: 496 Days

Day: 14.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 7,028,814 km

• M1: 165,006 km (0.101 R)
• M2: 287,826 km (0.096 R)
• M3: 425,157 km (0.076 R)
• M4: 527,332 km (0.071 R)
• M5: 806,632 km (0.101 R)
• M6: 932,444 km (0.068 R)
• M7: 1,024,895 km (0.117 R)
• M8: 1,116,000 km (0.079 R)
• M9: 1,317,209 km (0.068 R)
• M10: 1,453,194 km (0.11 R)
• M11: 1,567,636 km (0.093 R)
• M12: 1,652,907 km (0.073 R)
• M13: 1,806,095 km (0.117 R)
• M14: 1,981,424 km (0.117 R)
• M15: 2,085,993 km (0.08 R)
• M16: 2,240,378 km (0.117 R)
• M17: 2,479,136 km (0.104 R)
• M18: 2,630,379 km (0.058 R)
• M19: 2,733,003 km (0.093 R)
• M20: 2,849,989 km (0.105 R)
• M21: 2,935,559 km (0.12 R)
• M22: 3,116,273 km (0.088 R)
• M23: 3,460,648 km (0.032 R)
• M24: 3,580,625 km (0.119 R)
• M25: 3,694,768 km (0.1 R)
• M26: 3,781,236 km (0.096 R)
• M27: 3,882,962 km (0.076 R)
• M28: 4,148,947 km (0.11 R)
• M29: 4,512,769 km (0.077 R)
• M30: 4,652,045 km (0.11 R)
• M31: 4,769,180 km (0.049 R)
• M32: 5,038,307 km (0.063 R)
• M33: 5,182,818 km (0.072 R)
• M34: 5,279,907 km (0.077 R)
• M35: 5,418,584 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.9

Radius: 14.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.67 AU - 1.01 AU

Year: 505 Days

Day: 13.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 7,028,814 km

• M1: 176,675 km (0.095 R)
• M2: 281,543 km (0.117 R)
• M3: 405,560 km (0.05 R)
• M4: 529,726 km (0.096 R)
• M5: 623,075 km (0.085 R)
• M6: 723,455 km (0.094 R)
• M7: 834,008 km (0.056 R)
• M8: 935,286 km (0.092 R)
• M9: 1,104,481 km (0.083 R)
• M10: 1,253,032 km (0.118 R)
• M11: 1,352,963 km (0.12 R)
• M12: 1,446,462 km (0.098 R)
• M13: 1,556,865 km (0.036 R)
• M14: 1,755,830 km (0.072 R)
• M15: 1,879,548 km (0.088 R)
• M16: 1,995,636 km (0.052 R)
• M17: 2,125,038 km (0.085 R)
• M18: 2,224,072 km (0.064 R)
• M19: 2,330,436 km (0.063 R)
• M20: 2,542,416 km (0.117 R)
• M21: 2,648,032 km (0.109 R)
• M22: 2,906,238 km (0.031 R)
• M23: 3,004,524 km (0.059 R)
• M24: 3,261,533 km (0.115 R)
• M25: 3,376,723 km (0.053 R)
• M26: 3,493,260 km (0.117 R)
• M27: 3,617,875 km (0.12 R)
• M28: 3,804,124 km (0.071 R)
• M29: 3,925,598 km (0.082 R)
• M30: 4,075,944 km (0.112 R)
• M31: 4,235,116 km (0.11 R)
• M32: 4,368,108 km (0.059 R)
• M33: 4,474,173 km (0.105 R)
• M34: 4,574,104 km (0.056 R)
• M35: 4,674,634 km (0.092 R)
• M36: 4,768,731 km (0.066 R)
• M37: 4,921,920 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 14.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.69 AU - 1.11 AU

Year: 560 Days

Day: 13 Hours

Environment

Temp: -148 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 7,028,814 km

• M1: 196,123 km (0.109 R)
• M2: 336,595 km (0.114 R)
• M3: 428,897 km (0.047 R)
• M4: 551,119 km (0.115 R)
• M5: 740,659 km (0.092 R)
• M6: 981,362 km (0.108 R)
• M7: 1,075,309 km (0.106 R)
• M8: 1,172,548 km (0.093 R)
• M9: 1,433,148 km (0.074 R)
• M10: 1,587,084 km (0.03 R)
• M11: 1,692,999 km (0.028 R)
• M12: 1,884,484 km (0.066 R)
• M13: 1,975,889 km (0.034 R)
• M14: 2,156,005 km (0.077 R)
• M15: 2,266,857 km (0.066 R)
• M16: 2,479,136 km (0.101 R)
• M17: 2,737,940 km (0.111 R)
• M18: 2,882,901 km (0.111 R)
• M19: 2,972,809 km (0.06 R)
• M20: 3,163,845 km (0.077 R)
• M21: 3,350,544 km (0.103 R)
• M22: 3,575,988 km (0.096 R)
• M23: 3,842,421 km (0.089 R)
• M24: 3,941,904 km (0.117 R)
• M25: 4,115,587 km (0.079 R)
• M26: 4,489,731 km (0.112 R)
• M27: 4,816,603 km (0.099 R)
• M28: 4,914,140 km (0.09 R)
• M29: 5,101,587 km (0.09 R)
• M30: 5,211,092 km (0.099 R)
• M31: 5,595,708 km (0.119 R)
• M32: 5,688,160 km (0.099 R)
• M33: 5,822,648 km (0.095 R)
• M34: 6,031,637 km (0.066 R)
• M35: 6,147,724 km (0.089 R)
• M36: 6,414,308 km (0.07 R)
• M37: 6,521,869 km (0.078 R)
• M38: 6,782,917 km (0.04 R)
• M39: 7,047,256 km (0.057 R)
• M40: 7,259,087 km (0.108 R)
• M41: 7,518,340 km (0.057 R)
• M42: 7,746,178 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.7

Radius: 9.7

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.08 AU - 1.18 AU

Year: 788 Days

Day: 11.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 7,028,814 km

• M1: 120,875 km (0.074 R)
• M2: 195,973 km (0.103 R)
• M3: 257,159 km (0.092 R)
• M4: 333,454 km (0.109 R)
• M5: 407,355 km (0.116 R)
• M6: 502,200 km (0.089 R)
• M7: 647,310 km (0.083 R)
• M8: 717,322 km (0.088 R)
• M9: 895,343 km (0.1 R)
• M10: 1,153,400 km (0.118 R)
• M11: 1,364,482 km (0.108 R)
• M12: 1,543,850 km (0.117 R)
• M13: 1,640,341 km (0.037 R)
• M14: 1,886,429 km (0.106 R)
• M15: 1,957,787 km (0.105 R)
• M16: 2,161,091 km (0.043 R)
• M17: 2,261,172 km (0.115 R)
• M18: 2,527,007 km (0.108 R)
• M19: 2,588,342 km (0.077 R)
• M20: 2,802,866 km (0.098 R)
• M21: 2,875,720 km (0.052 R)
• M22: 3,004,673 km (0.109 R)
• M23: 3,471,419 km (0.047 R)
• M24: 3,549,808 km (0.106 R)
• M25: 3,889,545 km (0.113 R)
• M26: 4,063,377 km (0.071 R)
• M27: 4,177,221 km (0.109 R)
• M28: 4,302,734 km (0.048 R)
• M29: 4,461,308 km (0.07 R)
• M30: 4,643,368 km (0.106 R)
• M31: 4,817,051 km (0.093 R)
• M32: 4,915,786 km (0.107 R)
• M33: 4,981,908 km (0.096 R)
• M34: 5,070,470 km (0.029 R)
• M35: 5,487,399 km (0.111 R)
• M36: 5,740,669 km (0.072 R)
• M37: 5,833,569 km (0.095 R)
• M38: 5,962,373 km (0.104 R)
• M39: 6,127,529 km (0.088 R)
• M40: 6,246,459 km (0.071 R)
• M41: 6,390,223 km (0.111 R)
• M42: 6,668,923 km (0.113 R)
• M43: 6,865,046 km (0.109 R)
• M44: 6,951,514 km (0.086 R)
• M45: 7,088,097 km (0.041 R)
• M46: 7,188,028 km (0.076 R)
• M47: 7,288,408 km (0.081 R)
• M48: 7,389,237 km (0.065 R)
• M49: 7,592,242 km (0.108 R)
• M50: 7,784,325 km (0.11 R)
• M51: 8,173,280 km (0.062 R)
• M52: 8,278,148 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.4

Radius: 13.4

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.18 AU - 1.26 AU

Year: 884 Days

Day: 7.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 7,028,814 km

• M1: 169,046 km (0.091 R)
• M2: 296,503 km (0.119 R)
• M3: 413,638 km (0.113 R)
• M4: 557,402 km (0.047 R)
• M5: 664,663 km (0.077 R)
• M6: 771,177 km (0.081 R)
• M7: 899,083 km (0.091 R)
• M8: 993,779 km (0.08 R)
• M9: 1,081,593 km (0.107 R)
• M10: 1,311,225 km (0.092 R)
• M11: 1,545,196 km (0.099 R)
• M12: 1,742,516 km (0.042 R)
• M13: 1,896,153 km (0.068 R)
• M14: 2,162,587 km (0.09 R)
• M15: 2,434,406 km (0.087 R)
• M16: 2,520,425 km (0.034 R)
• M17: 2,695,454 km (0.066 R)
• M18: 2,821,865 km (0.091 R)
• M19: 3,096,377 km (0.113 R)
• M20: 3,205,583 km (0.085 R)
• M21: 3,331,993 km (0.068 R)
• M22: 3,484,284 km (0.11 R)
• M23: 3,581,672 km (0.054 R)
• M24: 3,779,291 km (0.082 R)
• M25: 3,955,218 km (0.11 R)
• M26: 4,099,730 km (0.064 R)
• M27: 4,246,036 km (0.082 R)
• M28: 4,508,431 km (0.098 R)
• M29: 4,668,351 km (0.069 R)
• M30: 5,021,701 km (0.076 R)
• M31: 5,206,305 km (0.109 R)
• M32: 5,336,904 km (0.106 R)
• M33: 5,430,852 km (0.057 R)
• M34: 5,582,245 km (0.057 R)
• M35: 5,687,262 km (0.1 R)
• M36: 5,860,497 km (0.076 R)
• M37: 6,301,212 km (0.034 R)
• M38: 6,420,591 km (0.099 R)
• M39: 6,601,006 km (0.05 R)
• M40: 6,722,330 km (0.059 R)
• M41: 6,813,734 km (0.05 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 10,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit