🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.58 AU - 0.7 AU

Year: 336 Days

Day: 34.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.5

Radius: 11.1

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.17 AU - 1.33 AU

Year: 917 Days

Day: 7 Hours

Environment

Temp: -172 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,006,753 km

• M1: 138,079 km (0.081 R)
• M2: 601,683 km (0.1 R)
• M3: 957,576 km (0.056 R)
• M4: 1,416,093 km (0.105 R)
• M5: 1,783,805 km (0.06 R)
• M6: 2,155,855 km (0.117 R)
• M7: 2,897,860 km (0.108 R)
• M8: 3,486,528 km (0.104 R)
• M9: 3,998,153 km (0.05 R)
• M10: 4,559,444 km (0.102 R)
• M11: 4,938,824 km (0.059 R)
• M12: 5,471,093 km (0.07 R)
• M13: 5,860,197 km (0.114 R)
• M14: 6,226,263 km (0.11 R)
• M15: 6,738,038 km (0.114 R)
• M16: 7,440,549 km (0.12 R)
• M17: 9,071,914 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.3

Radius: 10.2

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.99 AU - 1.57 AU

Year: 950 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,006,753 km

• M1: 128,654 km (0.075 R)
• M2: 454,628 km (0.117 R)
• M3: 911,201 km (0.113 R)
• M4: 1,482,066 km (0.111 R)
• M5: 2,107,984 km (0.049 R)
• M6: 2,786,410 km (0.088 R)
• M7: 3,353,685 km (0.093 R)
• M8: 3,804,723 km (0.074 R)
• M9: 4,127,555 km (0.102 R)
• M10: 4,557,050 km (0.08 R)
• M11: 5,247,594 km (0.062 R)
• M12: 5,878,598 km (0.106 R)
• M13: 6,446,023 km (0.075 R)
• M14: 6,789,799 km (0.08 R)
• M15: 7,121,756 km (0.07 R)
• M16: 7,589,549 km (0.058 R)
• M17: 9,202,812 km (0.111 R)
• M18: 9,698,879 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.7

Radius: 11.7

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.26 AU - 1.54 AU

Year: 1087 Days

Day: 7.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,006,753 km

• M1: 149,149 km (0.102 R)
• M2: 539,749 km (0.118 R)
• M3: 1,061,098 km (0.099 R)
• M4: 1,452,147 km (0.116 R)
• M5: 1,990,848 km (0.079 R)
• M6: 2,660,449 km (0.106 R)
• M7: 3,158,609 km (0.074 R)
• M8: 3,765,528 km (0.089 R)
• M9: 4,240,651 km (0.12 R)
• M10: 4,682,114 km (0.101 R)
• M11: 5,076,753 km (0.085 R)
• M12: 5,720,922 km (0.069 R)
• M13: 7,546,165 km (0.115 R)
• M14: 7,984,936 km (0.106 R)
• M15: 9,522,652 km (0.04 R)
• M16: 10,408,721 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.1

Radius: 8.8

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.35 AU - 3.17 AU

Year: 3008 Days

Day: 5.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,006,753 km

• M1: 116,836 km (0.096 R)
• M2: 558,000 km (0.054 R)
• M3: 851,511 km (0.101 R)
• M4: 1,130,212 km (0.097 R)
• M5: 1,564,195 km (0.079 R)
• M6: 1,904,830 km (0.101 R)
• M7: 2,308,744 km (0.05 R)
• M8: 2,979,690 km (0.075 R)
• M9: 3,564,020 km (0.059 R)
• M10: 4,750,780 km (0.05 R)
• M11: 5,078,848 km (0.094 R)
• M12: 5,625,030 km (0.115 R)
• M13: 6,073,524 km (0.062 R)
• M14: 6,602,801 km (0.029 R)
• M15: 7,071,940 km (0.103 R)
• M16: 8,342,624 km (0.097 R)
• M17: 8,856,493 km (0.056 R)
• M18: 10,368,628 km (0.088 R)
• M19: 11,206,526 km (0.068 R)
• M20: 12,088,854 km (0.109 R)
• M21: 15,365,496 km (0.066 R)
• M22: 15,825,809 km (0.108 R)
• M23: 16,347,906 km (0.097 R)
• M24: 19,486,469 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.5

Radius: 11.3

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.93 AU - 3.65 AU

Year: 3915 Days

Day: 6.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,006,753 km

• M1: 140,472 km (0.093 R)
• M2: 675,584 km (0.074 R)
• M3: 1,590,973 km (0.101 R)
• M4: 2,063,104 km (0.063 R)
• M5: 3,330,797 km (0.032 R)
• M6: 3,697,012 km (0.118 R)
• M7: 4,090,305 km (0.118 R)
• M8: 4,650,549 km (0.096 R)
• M9: 6,120,797 km (0.119 R)
• M10: 6,703,780 km (0.113 R)
• M11: 7,647,593 km (0.113 R)
• M12: 11,920,407 km (0.086 R)
• M13: 12,691,285 km (0.117 R)
• M14: 16,884,962 km (0.068 R)
• M15: 17,337,944 km (0.062 R)
• M16: 17,740,961 km (0.099 R)
• M17: 18,806,248 km (0.068 R)
• M18: 20,228,774 km (0.113 R)
• M19: 21,522,945 km (0.111 R)
• M20: 22,257,919 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680

Radius: 4.7

Gravity: 30.78 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.99 AU - 7.95 AU

Year: 10796 Days

Day: 22.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,006,753 km

• M1: 58,493 km (0.074 R)
• M2: 235,018 km (0.077 R)
• M3: 586,424 km (0.106 R)
• M4: 1,498,671 km (0.077 R)
• M5: 2,232,000 km (0.108 R)
• M6: 2,645,938 km (0.1 R)
• M7: 3,039,978 km (0.093 R)
• M8: 4,428,247 km (0.114 R)
• M9: 8,194,971 km (0.092 R)
• M10: 8,420,864 km (0.05 R)
• M11: 8,980,360 km (0.063 R)
• M12: 10,121,044 km (0.074 R)
• M13: 14,574,573 km (0.076 R)
• M14: 16,143,106 km (0.087 R)
• M15: 18,585,291 km (0.066 R)
• M16: 19,691,867 km (0.086 R)
• M17: 21,178,271 km (0.086 R)
• M18: 27,267,802 km (0.09 R)
• M19: 32,589,148 km (0.094 R)
• M20: 33,385,308 km (0.101 R)
• M21: 44,527,657 km (0.087 R)
• M22: 46,073,900 km (0.096 R)
• M23: 47,220,568 km (0.068 R)
• M24: 49,720,348 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.4

Radius: 6.3

Gravity: 14.27 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.02 AU - 9.2 AU

Year: 16573 Days

Day: 24.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,006,753 km

• M1: 78,389 km (0.097 R)
• M2: 415,583 km (0.052 R)
• M3: 644,617 km (0.026 R)
• M4: 1,061,546 km (0.08 R)
• M5: 1,262,756 km (0.066 R)
• M6: 1,989,502 km (0.077 R)
• M7: 2,822,912 km (0.075 R)
• M8: 4,289,719 km (0.082 R)
• M9: 4,909,054 km (0.068 R)
• M10: 7,436,510 km (0.093 R)
• M11: 9,553,470 km (0.098 R)
• M12: 10,662,738 km (0.114 R)
• M13: 12,612,148 km (0.052 R)
• M14: 13,670,852 km (0.096 R)
• M15: 13,875,801 km (0.095 R)
• M16: 17,520,005 km (0.072 R)
• M17: 17,761,905 km (0.101 R)
• M18: 18,584,244 km (0.113 R)
• M19: 19,089,735 km (0.068 R)
• M20: 29,484,095 km (0.072 R)
• M21: 32,418,607 km (0.094 R)
• M22: 36,451,616 km (0.06 R)
• M23: 42,235,518 km (0.082 R)
• M24: 44,291,591 km (0.097 R)
• M25: 46,567,573 km (0.12 R)
• M26: 48,443,530 km (0.087 R)
• M27: 48,920,299 km (0.025 R)
• M28: 51,022,448 km (0.085 R)
• M29: 58,404,056 km (0.03 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 14,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit