🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.8

Radius: 10

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.75 AU - 1.09 AU

Year: 599 Days

Day: 11.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,297,375 km

• M1: 124,765 km (0.109 R)
• M2: 453,880 km (0.051 R)
• M3: 1,178,682 km (0.048 R)
• M4: 1,579,754 km (0.102 R)
• M5: 2,080,308 km (0.112 R)
• M6: 2,588,342 km (0.117 R)
• M7: 3,022,176 km (0.116 R)
• M8: 3,853,641 km (0.028 R)
• M9: 5,044,590 km (0.076 R)
• M10: 5,670,507 km (0.113 R)
• M11: 6,002,465 km (0.104 R)
• M12: 6,725,771 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.8

Radius: 13.2

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.93 AU - 1.11 AU

Year: 699 Days

Day: 13.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,297,375 km

• M1: 164,109 km (0.12 R)
• M2: 804,089 km (0.098 R)
• M3: 1,221,018 km (0.11 R)
• M4: 1,796,820 km (0.04 R)
• M5: 3,051,797 km (0.097 R)
• M6: 3,949,384 km (0.06 R)
• M7: 4,509,329 km (0.098 R)
• M8: 4,946,304 km (0.106 R)
• M9: 5,374,902 km (0.116 R)
• M10: 6,004,859 km (0.081 R)
• M11: 7,880,666 km (0.117 R)
• M12: 8,467,688 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.9

Radius: 9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.64 AU - 2.36 AU

Year: 1918 Days

Day: 8.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 167.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,297,375 km

• M1: 117,434 km (0.052 R)
• M2: 409,150 km (0.089 R)
• M3: 746,942 km (0.111 R)
• M4: 1,056,161 km (0.106 R)
• M5: 1,567,786 km (0.104 R)
• M6: 1,889,571 km (0.091 R)
• M7: 2,365,741 km (0.074 R)
• M8: 2,813,338 km (0.096 R)
• M9: 3,891,789 km (0.065 R)
• M10: 4,430,341 km (0.041 R)
• M11: 4,847,121 km (0.043 R)
• M12: 5,673,350 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.3

Radius: 14.2

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.54 AU - 2.66 AU

Year: 2843 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,297,375 km

• M1: 176,525 km (0.085 R)
• M2: 1,040,603 km (0.104 R)
• M3: 1,694,196 km (0.05 R)
• M4: 2,656,858 km (0.096 R)
• M5: 5,298,308 km (0.104 R)
• M6: 6,123,490 km (0.037 R)
• M7: 7,787,467 km (0.118 R)
• M8: 8,627,758 km (0.115 R)
• M9: 10,161,884 km (0.118 R)
• M10: 10,674,556 km (0.115 R)
• M11: 14,439,635 km (0.117 R)
• M12: 16,544,627 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.4

Radius: 13.8

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.53 AU - 3.73 AU

Year: 3756 Days

Day: 5.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,297,375 km

• M1: 171,589 km (0.068 R)
• M2: 660,175 km (0.067 R)
• M3: 1,459,776 km (0.115 R)
• M4: 2,036,925 km (0.074 R)
• M5: 3,349,347 km (0.116 R)
• M6: 4,123,665 km (0.114 R)
• M7: 5,039,653 km (0.028 R)
• M8: 5,695,490 km (0.098 R)
• M9: 6,144,733 km (0.109 R)
• M10: 6,678,498 km (0.095 R)
• M11: 8,255,110 km (0.059 R)
• M12: 8,722,005 km (0.113 R)
• M13: 9,748,545 km (0.099 R)
• M14: 10,769,401 km (0.103 R)
• M15: 13,707,802 km (0.034 R)
• M16: 15,094,575 km (0.114 R)
• M17: 16,857,286 km (0.097 R)
• M18: 17,318,497 km (0.103 R)
• M19: 19,880,510 km (0.044 R)
• M20: 20,460,800 km (0.075 R)
• M21: 21,118,731 km (0.1 R)
• M22: 22,685,769 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 14.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.86 AU - 5.86 AU

Year: 7267 Days

Day: 12.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,297,375 km

• M1: 183,257 km (0.083 R)
• M2: 690,993 km (0.102 R)
• M3: 1,170,005 km (0.107 R)
• M4: 2,532,243 km (0.092 R)
• M5: 3,222,189 km (0.11 R)
• M6: 3,741,892 km (0.115 R)
• M7: 4,450,686 km (0.08 R)
• M8: 5,680,830 km (0.114 R)
• M9: 6,307,345 km (0.115 R)
• M10: 6,798,326 km (0.106 R)
• M11: 7,390,584 km (0.069 R)
• M12: 9,288,083 km (0.1 R)
• M13: 9,832,619 km (0.082 R)
• M14: 11,186,630 km (0.081 R)
• M15: 11,751,362 km (0.11 R)
• M16: 13,792,176 km (0.115 R)
• M17: 15,112,377 km (0.066 R)
• M18: 17,589,119 km (0.07 R)
• M19: 18,924,131 km (0.108 R)
• M20: 20,325,713 km (0.099 R)
• M21: 22,193,742 km (0.103 R)
• M22: 26,179,478 km (0.059 R)
• M23: 27,731,705 km (0.111 R)
• M24: 30,223,407 km (0.084 R)
• M25: 37,326,314 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900

Radius: 11.9

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.39 AU - 5.49 AU

Year: 8606 Days

Day: 14 Hours

Environment

Temp: -235 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,297,375 km

• M1: 147,952 km (0.099 R)
• M2: 532,568 km (0.108 R)
• M3: 1,049,279 km (0.079 R)
• M4: 1,572,274 km (0.098 R)
• M5: 3,201,245 km (0.09 R)
• M6: 5,286,938 km (0.102 R)
• M7: 7,439,502 km (0.079 R)
• M8: 10,021,861 km (0.085 R)
• M9: 10,633,417 km (0.053 R)
• M10: 15,906,742 km (0.056 R)
• M11: 18,192,148 km (0.088 R)
• M12: 23,671,320 km (0.048 R)
• M13: 26,735,832 km (0.071 R)
• M14: 27,320,162 km (0.082 R)
• M15: 32,305,959 km (0.086 R)
• M16: 35,595,018 km (0.039 R)
• M17: 36,302,317 km (0.086 R)
• M18: 43,765,455 km (0.063 R)
• M19: 45,399,214 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.2

Radius: 7.1

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.1 AU - 6.62 AU

Year: 9621 Days

Day: 19.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,297,375 km

• M1: 88,412 km (0.086 R)
• M2: 316,848 km (0.043 R)
• M3: 559,047 km (0.046 R)
• M4: 880,234 km (0.091 R)
• M5: 1,104,032 km (0.1 R)
• M6: 1,606,232 km (0.041 R)
• M7: 1,874,312 km (0.101 R)
• M8: 2,235,591 km (0.1 R)
• M9: 2,624,695 km (0.083 R)
• M10: 2,902,049 km (0.096 R)
• M11: 3,538,139 km (0.085 R)
• M12: 5,606,479 km (0.064 R)
• M13: 7,104,253 km (0.089 R)
• M14: 8,021,438 km (0.052 R)
• M15: 8,409,644 km (0.116 R)
• M16: 13,708,999 km (0.119 R)
• M17: 14,151,809 km (0.099 R)
• M18: 15,717,351 km (0.081 R)
• M19: 16,263,981 km (0.116 R)
• M20: 16,697,815 km (0.118 R)
• M21: 18,376,902 km (0.104 R)
• M22: 19,120,104 km (0.051 R)
• M23: 27,951,465 km (0.11 R)
• M24: 30,590,521 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.2

Radius: 5.6

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.11 AU - 9.99 AU

Year: 20017 Days

Day: 21.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,297,375 km

• M1: 75,248 km (0.062 R)
• M2: 252,521 km (0.057 R)
• M3: 631,602 km (0.11 R)
• M4: 822,639 km (0.088 R)
• M5: 1,516,922 km (0.106 R)
• M6: 1,693,597 km (0.102 R)
• M7: 2,678,849 km (0.098 R)
• M8: 3,620,568 km (0.085 R)
• M9: 3,879,671 km (0.107 R)
• M10: 4,631,251 km (0.081 R)
• M11: 5,588,228 km (0.117 R)
• M12: 6,460,085 km (0.091 R)
• M13: 6,972,308 km (0.049 R)
• M14: 7,193,563 km (0.066 R)
• M15: 10,226,959 km (0.104 R)
• M16: 12,928,398 km (0.092 R)
• M17: 14,442,478 km (0.11 R)
• M18: 15,841,966 km (0.119 R)
• M19: 16,850,106 km (0.09 R)
• M20: 18,822,404 km (0.088 R)
• M21: 19,863,904 km (0.078 R)
• M22: 20,579,281 km (0.032 R)
• M23: 20,760,893 km (0.077 R)
• M24: 21,497,513 km (0.114 R)
• M25: 23,613,276 km (0.063 R)
• M26: 24,721,347 km (0.1 R)
• M27: 32,351,736 km (0.049 R)
• M28: 33,466,240 km (0.086 R)
• M29: 39,704,920 km (0.115 R)
• M30: 41,269,415 km (0.108 R)
• M31: 43,617,503 km (0.117 R)
• M32: 47,304,343 km (0.101 R)
• M33: 48,257,431 km (0.025 R)
• M34: 52,367,034 km (0.11 R)
• M35: 52,705,424 km (0.066 R)
• M36: 54,246,731 km (0.054 R)
• M37: 55,466,103 km (0.075 R)
• M38: 62,027,017 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 13,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit