🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.44 AU - 0.72 AU

Year: 285 Days

Day: 22.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 49.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.4

Radius: 8.4

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.2 AU - 1.34 AU

Year: 924 Days

Day: 13.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,344,572 km

• M1: 104,419 km (0.11 R)
• M2: 401,221 km (0.114 R)
• M3: 767,138 km (0.119 R)
• M4: 1,453,942 km (0.115 R)
• M5: 1,903,483 km (0.084 R)
• M6: 2,209,561 km (0.075 R)
• M7: 2,524,913 km (0.111 R)
• M8: 3,289,059 km (0.112 R)
• M9: 4,386,060 km (0.06 R)
• M10: 4,868,663 km (0.026 R)
• M11: 6,111,223 km (0.103 R)
• M12: 6,970,214 km (0.099 R)
• M13: 7,552,897 km (0.089 R)
• M14: 8,246,732 km (0.104 R)
• M15: 8,595,744 km (0.113 R)
• M16: 8,954,480 km (0.091 R)
• M17: 9,265,793 km (0.079 R)
• M18: 9,761,111 km (0.074 R)
• M19: 10,397,202 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 8.1

Gravity: 14.02 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.09 AU - 1.49 AU

Year: 946 Days

Day: 6.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,344,572 km

• M1: 104,270 km (0.077 R)
• M2: 447,298 km (0.084 R)
• M3: 711,936 km (0.081 R)
• M4: 1,259,315 km (0.105 R)
• M5: 1,871,469 km (0.103 R)
• M6: 2,212,253 km (0.054 R)
• M7: 2,606,593 km (0.088 R)
• M8: 3,228,172 km (0.116 R)
• M9: 3,627,898 km (0.099 R)
• M10: 5,028,433 km (0.106 R)
• M11: 6,320,809 km (0.075 R)
• M12: 7,044,115 km (0.049 R)
• M13: 7,692,323 km (0.048 R)
• M14: 8,217,561 km (0.102 R)
• M15: 8,627,010 km (0.091 R)
• M16: 9,021,350 km (0.106 R)
• M17: 9,725,208 km (0.045 R)
• M18: 9,998,523 km (0.084 R)
• M19: 10,276,775 km (0.103 R)
• M20: 10,849,137 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.1

Radius: 8.7

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.5 AU - 1.86 AU

Year: 1406 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,344,572 km

• M1: 108,159 km (0.07 R)
• M2: 437,574 km (0.073 R)
• M3: 762,201 km (0.102 R)
• M4: 1,065,286 km (0.067 R)
• M5: 1,364,482 km (0.06 R)
• M6: 1,661,584 km (0.099 R)
• M7: 1,936,993 km (0.06 R)
• M8: 2,255,038 km (0.06 R)
• M9: 2,542,416 km (0.078 R)
• M10: 3,773,307 km (0.1 R)
• M11: 4,329,362 km (0.113 R)
• M12: 4,637,235 km (0.08 R)
• M13: 6,256,333 km (0.1 R)
• M14: 6,931,468 km (0.097 R)
• M15: 7,300,077 km (0.117 R)
• M16: 7,793,451 km (0.079 R)
• M17: 8,105,811 km (0.062 R)
• M18: 9,407,612 km (0.086 R)
• M19: 11,413,570 km (0.099 R)
• M20: 11,853,986 km (0.1 R)
• M21: 12,458,810 km (0.112 R)
• M22: 12,847,166 km (0.06 R)
• M23: 13,163,715 km (0.091 R)
• M24: 13,525,891 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 10.9

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.76 AU - 2.32 AU

Year: 1881 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,344,572 km

• M1: 135,536 km (0.119 R)
• M2: 510,278 km (0.027 R)
• M3: 935,585 km (0.083 R)
• M4: 1,383,032 km (0.116 R)
• M5: 1,728,304 km (0.08 R)
• M6: 2,363,796 km (0.095 R)
• M7: 3,971,375 km (0.029 R)
• M8: 4,581,884 km (0.077 R)
• M9: 5,320,448 km (0.085 R)
• M10: 5,777,021 km (0.076 R)
• M11: 6,384,388 km (0.113 R)
• M12: 7,114,725 km (0.074 R)
• M13: 8,648,851 km (0.102 R)
• M14: 9,978,926 km (0.056 R)
• M15: 10,357,857 km (0.1 R)
• M16: 10,746,513 km (0.05 R)
• M17: 11,329,047 km (0.106 R)
• M18: 13,619,390 km (0.07 R)
• M19: 14,873,320 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.2

Radius: 14.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.04 AU - 3.38 AU

Year: 2881 Days

Day: 7.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,344,572 km

• M1: 181,911 km (0.057 R)
• M2: 651,798 km (0.041 R)
• M3: 1,274,574 km (0.108 R)
• M4: 1,957,787 km (0.105 R)
• M5: 2,692,163 km (0.117 R)
• M6: 4,560,341 km (0.067 R)
• M7: 5,015,418 km (0.098 R)
• M8: 6,511,098 km (0.111 R)
• M9: 8,089,804 km (0.093 R)
• M10: 9,145,367 km (0.102 R)
• M11: 14,594,319 km (0.109 R)
• M12: 15,590,342 km (0.097 R)
• M13: 16,053,048 km (0.12 R)
• M14: 17,006,286 km (0.062 R)
• M15: 18,278,765 km (0.055 R)
• M16: 18,735,937 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.1

Radius: 11.8

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.24 AU - 3.22 AU

Year: 2912 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,344,572 km

• M1: 146,905 km (0.095 R)
• M2: 599,588 km (0.072 R)
• M3: 1,087,876 km (0.106 R)
• M4: 1,618,948 km (0.055 R)
• M5: 2,043,657 km (0.093 R)
• M6: 2,668,377 km (0.12 R)
• M7: 3,194,962 km (0.112 R)
• M8: 4,809,123 km (0.052 R)
• M9: 5,254,326 km (0.088 R)
• M10: 5,700,128 km (0.054 R)
• M11: 7,255,048 km (0.117 R)
• M12: 8,391,244 km (0.076 R)
• M13: 9,039,003 km (0.116 R)
• M14: 9,681,077 km (0.118 R)
• M15: 10,312,978 km (0.102 R)
• M16: 11,056,629 km (0.118 R)
• M17: 12,558,442 km (0.084 R)
• M18: 13,795,467 km (0.112 R)
• M19: 15,427,580 km (0.109 R)
• M20: 15,801,125 km (0.09 R)
• M21: 16,510,967 km (0.111 R)
• M22: 19,072,083 km (0.06 R)
• M23: 20,319,580 km (0.104 R)
• M24: 22,291,579 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.2

Radius: 10.6

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.89 AU - 3.87 AU

Year: 4012 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,344,572 km

• M1: 131,796 km (0.093 R)
• M2: 466,596 km (0.095 R)
• M3: 2,024,807 km (0.059 R)
• M4: 2,409,872 km (0.113 R)
• M5: 2,930,024 km (0.049 R)
• M6: 3,684,446 km (0.081 R)
• M7: 4,682,563 km (0.105 R)
• M8: 5,362,934 km (0.061 R)
• M9: 6,282,363 km (0.081 R)
• M10: 7,467,776 km (0.104 R)
• M11: 7,871,541 km (0.025 R)
• M12: 10,904,488 km (0.111 R)
• M13: 12,236,657 km (0.038 R)
• M14: 13,378,238 km (0.116 R)
• M15: 14,177,839 km (0.097 R)
• M16: 14,956,047 km (0.108 R)
• M17: 17,228,738 km (0.083 R)
• M18: 19,093,475 km (0.049 R)
• M19: 19,659,105 km (0.115 R)
• M20: 21,356,293 km (0.054 R)
• M21: 23,576,475 km (0.036 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.4

Radius: 10.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.01 AU - 4.27 AU

Year: 5439 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,344,572 km

• M1: 129,402 km (0.082 R)
• M2: 503,696 km (0.036 R)
• M3: 988,393 km (0.108 R)
• M4: 1,348,774 km (0.115 R)
• M5: 2,261,621 km (0.068 R)
• M6: 3,301,775 km (0.088 R)
• M7: 3,980,949 km (0.112 R)
• M8: 4,750,630 km (0.068 R)
• M9: 5,134,199 km (0.065 R)
• M10: 8,155,328 km (0.1 R)
• M11: 10,274,382 km (0.076 R)
• M12: 10,836,421 km (0.054 R)
• M13: 11,376,619 km (0.047 R)
• M14: 11,847,553 km (0.104 R)
• M15: 13,058,847 km (0.105 R)
• M16: 14,499,474 km (0.033 R)
• M17: 16,257,249 km (0.112 R)
• M18: 16,636,181 km (0.117 R)
• M19: 19,034,235 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.2

Radius: 6.3

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.33 AU - 9.91 AU

Year: 16341 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,344,572 km

• M1: 78,539 km (0.069 R)
• M2: 314,754 km (0.052 R)
• M3: 691,741 km (0.086 R)
• M4: 2,472,554 km (0.08 R)
• M5: 4,022,836 km (0.054 R)
• M6: 4,530,721 km (0.112 R)
• M7: 5,605,133 km (0.093 R)
• M8: 6,165,676 km (0.107 R)
• M9: 6,609,982 km (0.119 R)
• M10: 7,438,754 km (0.084 R)
• M11: 8,603,374 km (0.074 R)
• M12: 9,638,441 km (0.116 R)
• M13: 10,390,320 km (0.06 R)
• M14: 13,360,735 km (0.083 R)
• M15: 15,006,013 km (0.043 R)
• M16: 18,999,827 km (0.104 R)
• M17: 20,018,738 km (0.038 R)
• M18: 20,991,274 km (0.112 R)
• M19: 25,012,016 km (0.103 R)
• M20: 25,665,609 km (0.111 R)
• M21: 26,812,576 km (0.07 R)
• M22: 27,398,700 km (0.065 R)
• M23: 28,901,261 km (0.099 R)
• M24: 35,229,102 km (0.113 R)
• M25: 36,883,953 km (0.119 R)
• M26: 38,713,835 km (0.099 R)
• M27: 46,079,884 km (0.062 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 15,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit