🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.3

Radius: 14.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.46 AU - 0.66 AU

Year: 279 Days

Day: 8 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,497,445 km

• M1: 184,005 km (0.117 R)
• M2: 678,875 km (0.102 R)
• M3: 1,214,436 km (0.105 R)
• M4: 1,801,757 km (0.085 R)
• M5: 2,310,539 km (0.096 R)
• M6: 2,945,582 km (0.072 R)
• M7: 3,754,458 km (0.068 R)
• M8: 4,598,489 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.7

Radius: 14.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.78 AU - 0.98 AU

Year: 550 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,497,445 km

• M1: 178,470 km (0.097 R)
• M2: 658,380 km (0.097 R)
• M3: 1,153,400 km (0.116 R)
• M4: 1,718,580 km (0.086 R)
• M5: 2,269,250 km (0.051 R)
• M6: 2,711,910 km (0.118 R)
• M7: 3,212,913 km (0.103 R)
• M8: 4,328,166 km (0.113 R)
• M9: 5,854,812 km (0.11 R)
• M10: 6,557,323 km (0.105 R)
• M11: 7,603,461 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.2

Radius: 11.3

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.28 AU - 1.48 AU

Year: 1081 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,497,445 km

• M1: 140,472 km (0.082 R)
• M2: 580,739 km (0.063 R)
• M3: 962,662 km (0.112 R)
• M4: 1,901,987 km (0.103 R)
• M5: 2,588,193 km (0.108 R)
• M6: 3,030,554 km (0.104 R)
• M7: 3,553,997 km (0.095 R)
• M8: 4,154,183 km (0.099 R)
• M9: 4,542,390 km (0.074 R)
• M10: 5,071,517 km (0.118 R)
• M11: 5,683,821 km (0.106 R)
• M12: 6,276,528 km (0.105 R)
• M13: 6,765,564 km (0.104 R)
• M14: 7,689,331 km (0.036 R)
• M15: 9,274,470 km (0.074 R)
• M16: 9,786,842 km (0.112 R)
• M17: 10,254,485 km (0.117 R)
• M18: 10,671,863 km (0.119 R)
• M19: 11,234,650 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 13.5

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.8 AU - 3.06 AU

Year: 3344 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,497,445 km

• M1: 168,896 km (0.116 R)
• M2: 644,019 km (0.067 R)
• M3: 1,184,965 km (0.078 R)
• M4: 2,196,845 km (0.082 R)
• M5: 2,923,890 km (0.096 R)
• M6: 3,461,246 km (0.071 R)
• M7: 3,998,901 km (0.087 R)
• M8: 4,449,938 km (0.075 R)
• M9: 4,910,101 km (0.095 R)
• M10: 5,348,872 km (0.092 R)
• M11: 6,485,965 km (0.114 R)
• M12: 7,242,033 km (0.083 R)
• M13: 8,413,085 km (0.1 R)
• M14: 8,855,446 km (0.048 R)
• M15: 10,152,609 km (0.101 R)
• M16: 11,528,012 km (0.096 R)
• M17: 11,982,341 km (0.108 R)
• M18: 16,173,026 km (0.032 R)
• M19: 17,984,357 km (0.103 R)
• M20: 20,057,484 km (0.076 R)
• M21: 24,749,023 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.8

Radius: 8

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.4 AU - 3.5 AU

Year: 3379 Days

Day: 11.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,497,445 km

• M1: 100,380 km (0.05 R)
• M2: 501,602 km (0.086 R)
• M3: 798,553 km (0.12 R)
• M4: 1,104,631 km (0.116 R)
• M5: 1,695,692 km (0.089 R)
• M6: 2,225,418 km (0.088 R)
• M7: 2,497,836 km (0.088 R)
• M8: 2,843,856 km (0.105 R)
• M9: 3,147,240 km (0.117 R)
• M10: 3,861,719 km (0.04 R)
• M11: 4,536,107 km (0.079 R)
• M12: 5,500,115 km (0.096 R)
• M13: 7,064,311 km (0.05 R)
• M14: 7,323,863 km (0.041 R)
• M15: 8,070,656 km (0.054 R)
• M16: 8,354,443 km (0.08 R)
• M17: 8,718,564 km (0.114 R)
• M18: 9,715,035 km (0.084 R)
• M19: 10,658,250 km (0.074 R)
• M20: 13,702,567 km (0.095 R)
• M21: 14,056,066 km (0.119 R)
• M22: 15,750,412 km (0.067 R)
• M23: 19,539,427 km (0.093 R)
• M24: 20,904,208 km (0.045 R)
• M25: 21,780,253 km (0.11 R)
• M26: 22,610,521 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.3

Radius: 9.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.61 AU - 3.83 AU

Year: 4785 Days

Day: 14.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,497,445 km

• M1: 118,182 km (0.119 R)
• M2: 442,810 km (0.105 R)
• M3: 1,023,698 km (0.105 R)
• M4: 1,365,230 km (0.072 R)
• M5: 1,676,543 km (0.077 R)
• M6: 2,234,543 km (0.09 R)
• M7: 2,686,628 km (0.075 R)
• M8: 2,989,713 km (0.076 R)
• M9: 3,435,366 km (0.09 R)
• M10: 4,216,715 km (0.102 R)
• M11: 4,649,502 km (0.045 R)
• M12: 5,580,449 km (0.067 R)
• M13: 6,416,253 km (0.085 R)
• M14: 8,084,119 km (0.106 R)
• M15: 9,703,815 km (0.094 R)
• M16: 10,313,128 km (0.026 R)
• M17: 10,608,733 km (0.112 R)
• M18: 12,627,556 km (0.102 R)
• M19: 13,928,160 km (0.098 R)
• M20: 15,220,686 km (0.119 R)
• M21: 17,410,499 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 12.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.57 AU - 5.37 AU

Year: 7389 Days

Day: 14.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,497,445 km

• M1: 160,369 km (0.115 R)
• M2: 566,976 km (0.115 R)
• M3: 1,117,197 km (0.106 R)
• M4: 1,912,459 km (0.1 R)
• M5: 2,730,460 km (0.098 R)
• M6: 3,505,527 km (0.037 R)
• M7: 5,088,272 km (0.105 R)
• M8: 6,228,956 km (0.068 R)
• M9: 7,181,745 km (0.115 R)
• M10: 9,515,023 km (0.115 R)
• M11: 11,033,292 km (0.111 R)
• M12: 11,502,879 km (0.112 R)
• M13: 12,650,894 km (0.111 R)
• M14: 13,107,765 km (0.038 R)
• M15: 14,298,564 km (0.109 R)
• M16: 17,032,316 km (0.093 R)
• M17: 17,802,296 km (0.107 R)
• M18: 19,186,675 km (0.081 R)
• M19: 20,878,178 km (0.032 R)
• M20: 21,517,260 km (0.081 R)
• M21: 22,583,444 km (0.097 R)
• M22: 26,827,386 km (0.077 R)
• M23: 30,747,898 km (0.076 R)
• M24: 34,037,555 km (0.082 R)
• M25: 36,972,067 km (0.06 R)
• M26: 37,672,484 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.6

Radius: 6.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.12 AU - 7.58 AU

Year: 10671 Days

Day: 22.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 152.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,497,445 km

• M1: 84,523 km (0.091 R)
• M2: 390,301 km (0.062 R)
• M3: 673,490 km (0.069 R)
• M4: 1,457,532 km (0.097 R)
• M5: 2,043,058 km (0.104 R)
• M6: 3,291,452 km (0.104 R)
• M7: 4,267,728 km (0.074 R)
• M8: 5,773,131 km (0.055 R)
• M9: 6,843,055 km (0.076 R)
• M10: 7,746,178 km (0.071 R)
• M11: 15,062,860 km (0.12 R)
• M12: 15,869,193 km (0.105 R)
• M13: 16,643,362 km (0.076 R)
• M14: 18,396,050 km (0.064 R)
• M15: 19,183,533 km (0.113 R)
• M16: 20,199,153 km (0.114 R)
• M17: 23,384,990 km (0.047 R)
• M18: 23,920,849 km (0.12 R)
• M19: 27,563,408 km (0.115 R)
• M20: 28,855,335 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.4

Radius: 3

Gravity: 27.04 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.59 AU - 10.47 AU

Year: 18095 Days

Day: 17.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,497,445 km

• M1: 194,028 km (0.071 R)
• M2: 674,537 km (0.045 R)
• M3: 862,881 km (0.087 R)
• M4: 2,348,687 km (0.101 R)
• M5: 2,715,201 km (0.087 R)
• M6: 2,867,492 km (0.116 R)
• M7: 3,509,267 km (0.103 R)
• M8: 3,823,123 km (0.098 R)
• M9: 8,742,799 km (0.102 R)
• M10: 15,324,806 km (0.104 R)
• M11: 16,443,050 km (0.054 R)
• M12: 18,067,683 km (0.087 R)
• M13: 19,877,368 km (0.113 R)
• M14: 20,040,131 km (0.09 R)
• M15: 22,064,340 km (0.036 R)
• M16: 30,540,106 km (0.106 R)
• M17: 31,413,758 km (0.086 R)
• M18: 34,484,703 km (0.088 R)
• M19: 36,517,588 km (0.114 R)
• M20: 37,130,341 km (0.104 R)
• M21: 37,377,327 km (0.056 R)
• M22: 46,585,824 km (0.072 R)
• M23: 48,180,837 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.5

Radius: 5.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.44 AU - 10.3 AU

Year: 19127 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,497,445 km

• M1: 68,366 km (0.104 R)
• M2: 348,114 km (0.111 R)
• M3: 1,164,769 km (0.116 R)
• M4: 1,400,685 km (0.093 R)
• M5: 1,668,166 km (0.05 R)
• M6: 2,469,711 km (0.069 R)
• M7: 2,800,173 km (0.116 R)
• M8: 3,549,658 km (0.108 R)
• M9: 4,452,631 km (0.101 R)
• M10: 4,942,414 km (0.108 R)
• M11: 5,278,112 km (0.096 R)
• M12: 6,063,351 km (0.062 R)
• M13: 7,074,633 km (0.119 R)
• M14: 11,498,392 km (0.062 R)
• M15: 12,362,020 km (0.104 R)
• M16: 18,183,023 km (0.038 R)
• M17: 35,588,585 km (0.06 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 12,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit