🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.3

Radius: 12.1

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.68 AU - 0.78 AU

Year: 409 Days

Day: 12.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,379,413 km

• M1: 150,495 km (0.101 R)
• M2: 535,411 km (0.089 R)
• M3: 1,259,913 km (0.104 R)
• M4: 1,751,492 km (0.106 R)
• M5: 2,334,774 km (0.094 R)
• M6: 2,796,732 km (0.114 R)
• M7: 3,445,837 km (0.031 R)
• M8: 4,807,627 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.4

Radius: 14.3

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.72 AU - 0.84 AU

Year: 452 Days

Day: 8.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,379,413 km

• M1: 178,021 km (0.115 R)
• M2: 669,301 km (0.097 R)
• M3: 1,131,558 km (0.098 R)
• M4: 1,805,048 km (0.115 R)
• M5: 2,407,030 km (0.116 R)
• M6: 3,385,849 km (0.1 R)
• M7: 4,010,270 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.1

Radius: 14.8

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.38 AU - 1.86 AU

Year: 1353 Days

Day: 7.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,379,413 km

• M1: 184,005 km (0.053 R)
• M2: 652,396 km (0.064 R)
• M3: 1,168,509 km (0.105 R)
• M4: 1,750,445 km (0.11 R)
• M5: 2,427,973 km (0.101 R)
• M6: 3,262,131 km (0.096 R)
• M7: 4,538,351 km (0.067 R)
• M8: 5,024,693 km (0.09 R)
• M9: 5,610,818 km (0.091 R)
• M10: 6,747,014 km (0.054 R)
• M11: 8,059,585 km (0.053 R)
• M12: 8,925,458 km (0.067 R)
• M13: 9,443,066 km (0.038 R)
• M14: 10,945,328 km (0.088 R)
• M15: 11,646,194 km (0.085 R)
• M16: 12,753,518 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.6

Radius: 9.6

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.5 AU - 1.88 AU

Year: 1441 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,379,413 km

• M1: 119,379 km (0.07 R)
• M2: 499,358 km (0.108 R)
• M3: 809,923 km (0.075 R)
• M4: 1,146,967 km (0.095 R)
• M5: 1,450,202 km (0.062 R)
• M6: 2,014,335 km (0.063 R)
• M7: 2,555,132 km (0.085 R)
• M8: 2,860,461 km (0.087 R)
• M9: 3,268,713 km (0.069 R)
• M10: 4,202,952 km (0.111 R)
• M11: 5,045,338 km (0.025 R)
• M12: 5,575,064 km (0.089 R)
• M13: 6,092,822 km (0.093 R)
• M14: 6,514,538 km (0.115 R)
• M15: 7,754,406 km (0.097 R)
• M16: 9,241,109 km (0.078 R)
• M17: 10,000,917 km (0.091 R)
• M18: 12,024,677 km (0.105 R)
• M19: 13,173,439 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 13.6

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.86 AU - 2.66 AU

Year: 2229 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 117.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,379,413 km

• M1: 169,195 km (0.105 R)
• M2: 724,652 km (0.054 R)
• M3: 1,321,697 km (0.043 R)
• M4: 1,747,752 km (0.063 R)
• M5: 3,252,258 km (0.111 R)
• M6: 4,657,281 km (0.087 R)
• M7: 5,158,883 km (0.08 R)
• M8: 6,490,154 km (0.115 R)
• M9: 7,786,120 km (0.076 R)
• M10: 8,764,341 km (0.086 R)
• M11: 9,248,140 km (0.119 R)
• M12: 9,859,696 km (0.069 R)
• M13: 12,407,199 km (0.054 R)
• M14: 14,159,438 km (0.061 R)
• M15: 17,929,155 km (0.094 R)
• M16: 19,457,148 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.3

Radius: 11

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.9 AU - 3.04 AU

Year: 2547 Days

Day: 12 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,379,413 km

• M1: 136,882 km (0.088 R)
• M2: 497,263 km (0.05 R)
• M3: 872,156 km (0.044 R)
• M4: 1,226,703 km (0.109 R)
• M5: 1,930,710 km (0.102 R)
• M6: 5,016,465 km (0.059 R)
• M7: 5,571,324 km (0.057 R)
• M8: 6,751,502 km (0.11 R)
• M9: 7,125,347 km (0.106 R)
• M10: 8,061,680 km (0.054 R)
• M11: 8,636,883 km (0.061 R)
• M12: 10,143,334 km (0.086 R)
• M13: 10,995,593 km (0.032 R)
• M14: 11,933,422 km (0.099 R)
• M15: 13,754,627 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.7

Radius: 11.5

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.48 AU - 2.84 AU

Year: 2846 Days

Day: 14 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,379,413 km

• M1: 143,464 km (0.095 R)
• M2: 749,336 km (0.06 R)
• M3: 1,190,799 km (0.087 R)
• M4: 1,562,699 km (0.115 R)
• M5: 1,975,889 km (0.077 R)
• M6: 2,879,011 km (0.066 R)
• M7: 4,059,189 km (0.119 R)
• M8: 5,360,541 km (0.115 R)
• M9: 7,042,170 km (0.099 R)
• M10: 9,087,023 km (0.068 R)
• M11: 12,584,921 km (0.077 R)
• M12: 15,722,437 km (0.052 R)
• M13: 18,178,236 km (0.088 R)
• M14: 18,874,015 km (0.108 R)
• M15: 19,527,309 km (0.078 R)
• M16: 21,195,026 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.2

Radius: 11.3

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.54 AU - 3.16 AU

Year: 3156 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,379,413 km

• M1: 142,268 km (0.096 R)
• M2: 547,379 km (0.109 R)
• M3: 946,356 km (0.101 R)
• M4: 1,920,986 km (0.096 R)
• M5: 2,793,591 km (0.093 R)
• M6: 3,452,719 km (0.079 R)
• M7: 3,829,855 km (0.1 R)
• M8: 4,574,553 km (0.074 R)
• M9: 5,335,258 km (0.076 R)
• M10: 6,206,816 km (0.106 R)
• M11: 7,234,403 km (0.108 R)
• M12: 9,281,650 km (0.062 R)
• M13: 12,089,902 km (0.096 R)
• M14: 12,731,527 km (0.116 R)
• M15: 13,785,593 km (0.096 R)
• M16: 14,233,190 km (0.081 R)
• M17: 16,231,070 km (0.118 R)
• M18: 17,701,617 km (0.087 R)
• M19: 18,112,263 km (0.069 R)
• M20: 18,529,342 km (0.097 R)
• M21: 20,198,106 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197

Radius: 6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.64 AU - 6.8 AU

Year: 11428 Days

Day: 15.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,379,413 km

• M1: 74,649 km (0.109 R)
• M2: 412,741 km (0.101 R)
• M3: 607,367 km (0.102 R)
• M4: 832,213 km (0.06 R)
• M5: 1,281,306 km (0.093 R)
• M6: 1,671,307 km (0.09 R)
• M7: 1,938,489 km (0.094 R)
• M8: 2,169,319 km (0.063 R)
• M9: 2,383,992 km (0.113 R)
• M10: 2,723,728 km (0.091 R)
• M11: 3,261,383 km (0.108 R)
• M12: 3,566,712 km (0.1 R)
• M13: 3,987,232 km (0.066 R)
• M14: 4,362,424 km (0.112 R)
• M15: 4,871,056 km (0.084 R)
• M16: 6,532,939 km (0.08 R)
• M17: 7,090,191 km (0.097 R)
• M18: 7,603,312 km (0.088 R)
• M19: 11,810,004 km (0.061 R)
• M20: 12,269,718 km (0.077 R)
• M21: 14,985,219 km (0.102 R)
• M22: 21,947,653 km (0.12 R)
• M23: 28,920,410 km (0.1 R)
• M24: 31,085,241 km (0.038 R)
• M25: 33,255,008 km (0.103 R)
• M26: 33,761,846 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.2

Radius: 6.5

Gravity: 19.51 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.6 AU - 7.48 AU

Year: 12254 Days

Day: 18.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,379,413 km

• M1: 80,932 km (0.092 R)
• M2: 480,658 km (0.101 R)
• M3: 693,237 km (0.099 R)
• M4: 1,024,895 km (0.105 R)
• M5: 1,280,109 km (0.107 R)
• M6: 1,955,543 km (0.043 R)
• M7: 2,755,742 km (0.116 R)
• M8: 4,217,613 km (0.09 R)
• M9: 4,430,939 km (0.043 R)
• M10: 5,500,265 km (0.073 R)
• M11: 5,718,528 km (0.083 R)
• M12: 8,711,084 km (0.068 R)
• M13: 10,374,014 km (0.102 R)
• M14: 10,877,261 km (0.094 R)
• M15: 16,313,797 km (0.11 R)
• M16: 19,483,327 km (0.095 R)
• M17: 19,821,269 km (0.077 R)
• M18: 29,706,397 km (0.071 R)
• M19: 31,640,398 km (0.116 R)
• M20: 33,656,828 km (0.116 R)
• M21: 44,594,826 km (0.094 R)
• M22: 51,177,581 km (0.102 R)
• M23: 56,819,515 km (0.104 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 17,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit