🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.4

Radius: 10.8

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.78 AU - 1.2 AU

Year: 680 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 58.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,102,518 km

• M1: 134,339 km (0.069 R)
• M2: 620,831 km (0.111 R)
• M3: 1,241,662 km (0.112 R)
• M4: 1,759,570 km (0.112 R)
• M5: 2,335,223 km (0.066 R)
• M6: 2,759,034 km (0.111 R)
• M7: 3,471,419 km (0.114 R)
• M8: 3,820,730 km (0.043 R)
• M9: 4,943,611 km (0.081 R)
• M10: 5,819,507 km (0.066 R)
• M11: 6,376,310 km (0.072 R)
• M12: 7,345,555 km (0.064 R)
• M13: 7,853,888 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.2

Radius: 12.2

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.67 AU - 2.15 AU

Year: 1822 Days

Day: 8 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,102,518 km

• M1: 151,991 km (0.101 R)
• M2: 541,694 km (0.107 R)
• M3: 963,410 km (0.092 R)
• M4: 1,374,356 km (0.105 R)
• M5: 1,938,190 km (0.081 R)
• M6: 2,709,517 km (0.085 R)
• M7: 3,319,876 km (0.12 R)
• M8: 3,872,640 km (0.078 R)
• M9: 5,716,284 km (0.098 R)
• M10: 7,186,981 km (0.118 R)
• M11: 7,995,707 km (0.102 R)
• M12: 8,391,393 km (0.114 R)
• M13: 9,288,382 km (0.101 R)
• M14: 12,164,850 km (0.086 R)
• M15: 13,061,390 km (0.098 R)
• M16: 14,354,364 km (0.119 R)
• M17: 15,355,473 km (0.114 R)
• M18: 16,112,289 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.9

Radius: 9.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.65 AU - 2.43 AU

Year: 2011 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,102,518 km

• M1: 116,686 km (0.099 R)
• M2: 402,867 km (0.117 R)
• M3: 917,334 km (0.065 R)
• M4: 1,509,443 km (0.111 R)
• M5: 2,258,928 km (0.05 R)
• M6: 3,324,513 km (0.105 R)
• M7: 6,408,324 km (0.06 R)
• M8: 7,908,491 km (0.091 R)
• M9: 9,934,196 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 12.5

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.53 AU - 3.11 AU

Year: 3269 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,102,518 km

• M1: 155,432 km (0.109 R)
• M2: 593,754 km (0.072 R)
• M3: 1,145,620 km (0.11 R)
• M4: 1,612,815 km (0.108 R)
• M5: 2,166,776 km (0.12 R)
• M6: 2,715,201 km (0.064 R)
• M7: 4,009,522 km (0.079 R)
• M8: 5,442,221 km (0.042 R)
• M9: 7,192,217 km (0.068 R)
• M10: 7,907,295 km (0.091 R)
• M11: 9,216,276 km (0.032 R)
• M12: 10,219,330 km (0.088 R)
• M13: 10,955,501 km (0.053 R)
• M14: 11,422,545 km (0.059 R)
• M15: 13,715,432 km (0.106 R)
• M16: 15,073,930 km (0.102 R)
• M17: 18,292,379 km (0.12 R)
• M18: 19,624,997 km (0.106 R)
• M19: 20,188,382 km (0.054 R)
• M20: 20,634,034 km (0.035 R)
• M21: 22,618,749 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.7

Radius: 11

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.91 AU - 4.13 AU

Year: 4559 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,102,518 km

• M1: 137,630 km (0.102 R)
• M2: 591,061 km (0.101 R)
• M3: 1,200,972 km (0.026 R)
• M4: 1,945,820 km (0.054 R)
• M5: 2,290,493 km (0.111 R)
• M6: 2,642,497 km (0.061 R)
• M7: 3,086,952 km (0.104 R)
• M8: 4,081,628 km (0.103 R)
• M9: 4,985,050 km (0.098 R)
• M10: 6,504,815 km (0.074 R)
• M11: 7,052,193 km (0.096 R)
• M12: 7,630,090 km (0.109 R)
• M13: 8,093,095 km (0.113 R)
• M14: 9,474,033 km (0.043 R)
• M15: 10,608,434 km (0.085 R)
• M16: 10,961,335 km (0.056 R)
• M17: 12,355,438 km (0.113 R)
• M18: 15,492,804 km (0.084 R)
• M19: 21,070,112 km (0.112 R)
• M20: 22,125,974 km (0.095 R)
• M21: 26,300,652 km (0.103 R)
• M22: 27,690,267 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.2

Radius: 12.7

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.34 AU - 3.96 AU

Year: 4813 Days

Day: 8.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,102,518 km

• M1: 157,975 km (0.082 R)
• M2: 614,847 km (0.066 R)
• M3: 1,037,312 km (0.078 R)
• M4: 1,576,163 km (0.06 R)
• M5: 2,100,205 km (0.093 R)
• M6: 2,495,891 km (0.084 R)
• M7: 4,140,121 km (0.091 R)
• M8: 4,744,048 km (0.042 R)
• M9: 6,160,590 km (0.12 R)
• M10: 7,333,437 km (0.087 R)
• M11: 7,731,368 km (0.086 R)
• M12: 9,094,653 km (0.093 R)
• M13: 9,639,937 km (0.11 R)
• M14: 14,311,879 km (0.109 R)
• M15: 15,636,269 km (0.094 R)
• M16: 16,604,616 km (0.112 R)
• M17: 20,809,812 km (0.077 R)
• M18: 22,659,290 km (0.071 R)
• M19: 23,351,180 km (0.12 R)
• M20: 26,092,861 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.7

Radius: 12.8

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.34 AU - 5.44 AU

Year: 6349 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,102,518 km

• M1: 166,203 km (0.109 R)
• M2: 803,640 km (0.05 R)
• M3: 1,313,021 km (0.092 R)
• M4: 2,303,059 km (0.107 R)
• M5: 3,806,518 km (0.085 R)
• M6: 4,529,524 km (0.061 R)
• M7: 5,043,094 km (0.095 R)
• M8: 5,538,412 km (0.08 R)
• M9: 6,789,499 km (0.088 R)
• M10: 7,675,418 km (0.112 R)
• M11: 8,522,142 km (0.11 R)
• M12: 9,971,147 km (0.073 R)
• M13: 10,799,321 km (0.079 R)
• M14: 12,742,447 km (0.093 R)
• M15: 17,933,494 km (0.037 R)
• M16: 19,556,182 km (0.096 R)
• M17: 21,558,848 km (0.113 R)
• M18: 23,694,956 km (0.088 R)
• M19: 27,703,282 km (0.08 R)
• M20: 28,384,102 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 12.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.34 AU - 5.98 AU

Year: 8091 Days

Day: 13.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,102,518 km

• M1: 159,322 km (0.118 R)
• M2: 651,948 km (0.071 R)
• M3: 1,302,848 km (0.096 R)
• M4: 1,812,827 km (0.086 R)
• M5: 3,764,481 km (0.103 R)
• M6: 4,268,476 km (0.11 R)
• M7: 4,743,300 km (0.067 R)
• M8: 6,086,988 km (0.115 R)
• M9: 6,690,615 km (0.113 R)
• M10: 8,123,912 km (0.065 R)
• M11: 9,356,150 km (0.117 R)
• M12: 9,915,048 km (0.061 R)
• M13: 13,598,147 km (0.05 R)
• M14: 15,113,274 km (0.088 R)
• M15: 15,883,853 km (0.063 R)
• M16: 16,278,941 km (0.076 R)
• M17: 16,971,430 km (0.06 R)
• M18: 17,925,116 km (0.118 R)
• M19: 21,683,912 km (0.107 R)
• M20: 22,100,542 km (0.036 R)
• M21: 24,264,326 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.6

Radius: 6.7

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.14 AU - 6.98 AU

Year: 10297 Days

Day: 16.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,102,518 km

• M1: 96,042 km (0.098 R)
• M2: 352,303 km (0.072 R)
• M3: 580,290 km (0.093 R)
• M4: 919,578 km (0.117 R)
• M5: 1,219,073 km (0.12 R)
• M6: 1,753,287 km (0.054 R)
• M7: 2,527,007 km (0.118 R)
• M8: 2,884,995 km (0.099 R)
• M9: 3,142,154 km (0.072 R)
• M10: 3,368,046 km (0.102 R)
• M11: 3,702,697 km (0.117 R)
• M12: 3,980,949 km (0.076 R)
• M13: 4,382,918 km (0.091 R)
• M14: 5,236,673 km (0.104 R)
• M15: 5,752,637 km (0.067 R)
• M16: 6,444,676 km (0.091 R)
• M17: 10,859,908 km (0.093 R)
• M18: 11,590,843 km (0.114 R)
• M19: 11,859,820 km (0.049 R)
• M20: 12,977,017 km (0.059 R)
• M21: 15,226,221 km (0.079 R)
• M22: 16,008,169 km (0.068 R)
• M23: 26,453,840 km (0.114 R)
• M24: 29,136,878 km (0.096 R)
• M25: 31,057,416 km (0.112 R)
• M26: 37,206,486 km (0.102 R)
• M27: 37,439,859 km (0.102 R)
• M28: 38,981,465 km (0.068 R)
• M29: 42,444,357 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.3

Radius: 4.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.51 AU - 9.35 AU

Year: 16895 Days

Day: 19.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,102,518 km

• M1: 59,690 km (0.065 R)
• M2: 347,217 km (0.115 R)
• M3: 611,107 km (0.114 R)
• M4: 838,496 km (0.052 R)
• M5: 1,010,683 km (0.058 R)
• M6: 1,502,860 km (0.118 R)
• M7: 2,028,846 km (0.049 R)
• M8: 3,025,467 km (0.08 R)
• M9: 3,665,297 km (0.117 R)
• M10: 4,004,585 km (0.103 R)
• M11: 4,338,189 km (0.063 R)
• M12: 5,298,308 km (0.079 R)
• M13: 7,101,860 km (0.069 R)
• M14: 11,707,081 km (0.117 R)
• M15: 14,351,821 km (0.104 R)
• M16: 15,875,476 km (0.05 R)
• M17: 17,842,089 km (0.029 R)
• M18: 20,558,787 km (0.078 R)
• M19: 21,548,077 km (0.075 R)
• M20: 22,172,349 km (0.088 R)
• M21: 24,790,462 km (0.103 R)
• M22: 26,173,793 km (0.056 R)
• M23: 28,158,508 km (0.08 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: 543 - 17,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit