🌌 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: 466

Radius: 9.9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.49 AU - 0.55 AU

Year: 250 Days

Day: 7.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,336,251 km

• M1: 123,119 km (0.108 R)
• M2: 434,133 km (0.087 R)
• M3: 1,338,003 km (0.076 R)
• M4: 2,113,968 km (0.032 R)
• M5: 3,193,915 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279

Radius: 11.5

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.69 AU - 0.79 AU

Year: 424 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,336,251 km

• M1: 143,016 km (0.096 R)
• M2: 511,475 km (0.109 R)
• M3: 962,961 km (0.078 R)
• M4: 1,504,506 km (0.101 R)
• M5: 2,111,724 km (0.077 R)
• M6: 3,293,397 km (0.098 R)
• M7: 3,750,119 km (0.089 R)
• M8: 4,138,326 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.4

Radius: 10.3

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.71 AU - 0.91 AU

Year: 486 Days

Day: 11.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 110.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,336,251 km

• M1: 128,056 km (0.034 R)
• M2: 458,667 km (0.092 R)
• M3: 863,479 km (0.045 R)
• M4: 1,208,003 km (0.079 R)
• M5: 1,530,685 km (0.087 R)
• M6: 2,029,894 km (0.036 R)
• M7: 2,414,809 km (0.115 R)
• M8: 2,751,105 km (0.085 R)
• M9: 3,370,141 km (0.033 R)
• M10: 3,752,663 km (0.117 R)
• M11: 4,093,596 km (0.117 R)
• M12: 5,029,630 km (0.106 R)
• M13: 5,688,010 km (0.08 R)
• M14: 6,121,096 km (0.096 R)
• M15: 6,576,023 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.1

Radius: 11

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.63 AU - 1.63 AU

Year: 1388 Days

Day: 7.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,336,251 km

• M1: 137,181 km (0.058 R)
• M2: 599,139 km (0.099 R)
• M3: 1,293,573 km (0.096 R)
• M4: 1,637,049 km (0.082 R)
• M5: 3,637,771 km (0.085 R)
• M6: 4,370,951 km (0.069 R)
• M7: 4,900,377 km (0.082 R)
• M8: 6,173,455 km (0.064 R)
• M9: 6,613,423 km (0.059 R)
• M10: 7,482,736 km (0.107 R)
• M11: 8,086,214 km (0.067 R)
• M12: 10,213,495 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.4

Radius: 9.1

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.58 AU - 4.22 AU

Year: 4181 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,336,251 km

• M1: 113,246 km (0.077 R)
• M2: 559,795 km (0.058 R)
• M3: 1,466,209 km (0.115 R)
• M4: 1,858,604 km (0.116 R)
• M5: 2,334,774 km (0.059 R)
• M6: 2,907,135 km (0.081 R)
• M7: 3,608,600 km (0.089 R)
• M8: 5,219,769 km (0.101 R)
• M9: 5,761,014 km (0.046 R)
• M10: 7,773,105 km (0.081 R)
• M11: 9,081,638 km (0.094 R)
• M12: 9,750,340 km (0.092 R)
• M13: 10,491,299 km (0.075 R)
• M14: 14,719,832 km (0.084 R)
• M15: 16,064,119 km (0.082 R)
• M16: 19,536,435 km (0.067 R)
• M17: 21,414,786 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.9

Radius: 14.3

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.9 AU - 5.48 AU

Year: 6773 Days

Day: 8 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,336,251 km

• M1: 183,108 km (0.116 R)
• M2: 648,507 km (0.098 R)
• M3: 1,509,443 km (0.095 R)
• M4: 2,214,198 km (0.074 R)
• M5: 2,962,935 km (0.06 R)
• M6: 4,608,811 km (0.067 R)
• M7: 5,924,973 km (0.11 R)
• M8: 6,447,219 km (0.074 R)
• M9: 8,812,511 km (0.096 R)
• M10: 9,786,094 km (0.115 R)
• M11: 10,695,649 km (0.119 R)
• M12: 11,851,443 km (0.094 R)
• M13: 13,088,767 km (0.047 R)
• M14: 14,963,677 km (0.099 R)
• M15: 15,878,019 km (0.12 R)
• M16: 17,629,810 km (0.105 R)
• M17: 18,649,918 km (0.1 R)
• M18: 21,230,331 km (0.089 R)
• M19: 23,127,532 km (0.07 R)
• M20: 23,963,335 km (0.12 R)
• M21: 24,898,022 km (0.104 R)
• M22: 25,534,561 km (0.11 R)
• M23: 28,275,942 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.6

Radius: 8

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.26 AU - 8.44 AU

Year: 11955 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 34,336,251 km

• M1: 100,530 km (0.071 R)
• M2: 361,578 km (0.057 R)
• M3: 784,192 km (0.118 R)
• M4: 1,123,181 km (0.096 R)
• M5: 1,775,876 km (0.099 R)
• M6: 2,330,884 km (0.029 R)
• M7: 3,515,251 km (0.117 R)
• M8: 3,865,459 km (0.083 R)
• M9: 5,091,863 km (0.07 R)
• M10: 5,435,339 km (0.117 R)
• M11: 5,721,071 km (0.088 R)
• M12: 6,639,303 km (0.12 R)
• M13: 7,091,537 km (0.099 R)
• M14: 7,520,435 km (0.096 R)
• M15: 7,830,850 km (0.101 R)
• M16: 8,477,263 km (0.071 R)
• M17: 9,009,831 km (0.115 R)
• M18: 10,575,821 km (0.076 R)
• M19: 11,539,681 km (0.11 R)
• M20: 14,990,006 km (0.099 R)
• M21: 16,573,798 km (0.075 R)
• M22: 17,560,546 km (0.084 R)
• M23: 18,345,785 km (0.079 R)
• M24: 23,839,917 km (0.084 R)
• M25: 26,599,249 km (0.069 R)
• M26: 28,803,574 km (0.104 R)
• M27: 30,005,593 km (0.119 R)
• M28: 35,767,804 km (0.12 R)
• M29: 43,633,809 km (0.115 R)
• M30: 44,781,973 km (0.06 R)
• M31: 45,072,043 km (0.097 R)
• M32: 48,805,557 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.7

Radius: 3.1

Gravity: 84.67 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.08 AU - 8.24 AU

Year: 12776 Days

Day: 24.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 66.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 34,336,251 km

• M1: 38,596 km (0.052 R)
• M2: 213,177 km (0.109 R)
• M3: 326,871 km (0.088 R)
• M4: 474,674 km (0.115 R)
• M5: 833,709 km (0.103 R)
• M6: 1,294,470 km (0.087 R)
• M7: 1,525,749 km (0.108 R)
• M8: 2,848,792 km (0.077 R)
• M9: 3,636,575 km (0.052 R)
• M10: 3,948,037 km (0.058 R)
• M11: 4,065,621 km (0.037 R)
• M12: 6,895,265 km (0.117 R)
• M13: 7,023,022 km (0.069 R)
• M14: 9,549,131 km (0.071 R)
• M15: 9,868,523 km (0.114 R)
• M16: 11,100,611 km (0.081 R)
• M17: 13,135,291 km (0.034 R)
• M18: 13,932,798 km (0.058 R)
• M19: 14,832,629 km (0.108 R)
• M20: 15,844,359 km (0.105 R)
• M21: 20,526,773 km (0.107 R)
• M22: 20,879,973 km (0.087 R)
• M23: 21,689,597 km (0.101 R)
• M24: 23,371,077 km (0.082 R)
• M25: 26,467,304 km (0.032 R)
• M26: 27,096,513 km (0.101 R)
• M27: 27,202,278 km (0.094 R)
• M28: 29,600,931 km (0.071 R)
• M29: 34,192,837 km (0.113 R)
• M30: 36,592,387 km (0.113 R)
• M31: 45,348,650 km (0.064 R)
• M32: 45,647,397 km (0.111 R)
• M33: 47,621,341 km (0.091 R)
• M34: 54,386,306 km (0.101 R)
• M35: 57,646,343 km (0.102 R)
• M36: 57,996,851 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.2

Radius: 3.9

Gravity: 23.48 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.44 AU - 9.46 AU

Year: 14948 Days

Day: 15.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,336,251 km

• M1: 48,470 km (0.115 R)
• M2: 495,468 km (0.114 R)
• M3: 986,299 km (0.052 R)
• M4: 1,959,882 km (0.103 R)
• M5: 2,727,020 km (0.112 R)
• M6: 3,153,972 km (0.083 R)
• M7: 4,826,476 km (0.07 R)
• M8: 5,832,821 km (0.048 R)
• M9: 6,347,288 km (0.049 R)
• M10: 9,282,398 km (0.118 R)
• M11: 9,982,217 km (0.114 R)
• M12: 10,397,501 km (0.102 R)
• M13: 11,712,466 km (0.119 R)
• M14: 13,632,854 km (0.119 R)
• M15: 14,934,056 km (0.102 R)
• M16: 15,271,848 km (0.079 R)
• M17: 19,893,674 km (0.092 R)
• M18: 22,431,453 km (0.03 R)
• M19: 22,963,572 km (0.067 R)
• M20: 24,423,947 km (0.113 R)
• M21: 26,334,910 km (0.118 R)
• M22: 32,548,607 km (0.09 R)
• M23: 38,650,106 km (0.087 R)
• M24: 39,671,560 km (0.085 R)
• M25: 43,251,437 km (0.118 R)
• M26: 44,909,430 km (0.109 R)
• M27: 46,180,264 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.9

Radius: 7.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.98 AU - 9.08 AU

Year: 18095 Days

Day: 18.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,336,251 km

• M1: 112,049 km (0.089 R)
• M2: 583,432 km (0.079 R)
• M3: 1,118,244 km (0.086 R)
• M4: 1,373,907 km (0.12 R)
• M5: 3,260,037 km (0.103 R)
• M6: 3,767,622 km (0.084 R)
• M7: 4,403,713 km (0.117 R)
• M8: 7,680,055 km (0.032 R)
• M9: 10,031,285 km (0.093 R)
• M10: 17,496,967 km (0.073 R)
• M11: 18,159,237 km (0.097 R)
• M12: 18,769,596 km (0.103 R)
• M13: 23,830,492 km (0.065 R)
• M14: 27,815,929 km (0.087 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: 238 - 12,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit