🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.47 AU - 0.77 AU

Year: 310 Days

Day: 27.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 9.5

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.72 AU - 0.84 AU

Year: 438 Days

Day: 11.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,636,347 km

• M1: 118,182 km (0.074 R)
• M2: 450,888 km (0.09 R)
• M3: 800,947 km (0.118 R)
• M4: 1,122,582 km (0.105 R)
• M5: 1,498,223 km (0.092 R)
• M6: 1,799,812 km (0.119 R)
• M7: 2,348,088 km (0.053 R)
• M8: 2,707,721 km (0.105 R)
• M9: 3,104,006 km (0.071 R)
• M10: 3,868,601 km (0.097 R)
• M11: 4,575,301 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369

Radius: 11.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.78 AU - 0.8 AU

Year: 446 Days

Day: 12.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,636,347 km

• M1: 145,559 km (0.113 R)
• M2: 526,884 km (0.03 R)
• M3: 946,655 km (0.107 R)
• M4: 1,336,358 km (0.03 R)
• M5: 1,730,548 km (0.105 R)
• M6: 2,170,964 km (0.088 R)
• M7: 2,574,879 km (0.08 R)
• M8: 3,049,852 km (0.079 R)
• M9: 3,469,324 km (0.095 R)
• M10: 4,452,182 km (0.105 R)
• M11: 4,823,035 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 14.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.81 AU - 1.07 AU

Year: 579 Days

Day: 10.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 108.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,636,347 km

• M1: 182,809 km (0.099 R)
• M2: 701,614 km (0.047 R)
• M3: 1,237,474 km (0.103 R)
• M4: 1,850,226 km (0.061 R)
• M5: 3,248,069 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.2

Radius: 12.9

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.85 AU - 2.09 AU

Year: 1758 Days

Day: 13 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,636,347 km

• M1: 160,519 km (0.091 R)
• M2: 567,574 km (0.064 R)
• M3: 1,002,605 km (0.043 R)
• M4: 1,871,320 km (0.075 R)
• M5: 2,310,539 km (0.119 R)
• M6: 2,740,184 km (0.104 R)
• M7: 3,509,716 km (0.065 R)
• M8: 4,659,824 km (0.059 R)
• M9: 5,067,927 km (0.044 R)
• M10: 5,801,854 km (0.074 R)
• M11: 7,173,218 km (0.11 R)
• M12: 7,962,496 km (0.108 R)
• M13: 8,955,527 km (0.029 R)
• M14: 9,934,196 km (0.097 R)
• M15: 10,680,690 km (0.117 R)
• M16: 11,153,269 km (0.076 R)
• M17: 12,067,911 km (0.073 R)

Asteroid Belt

Center: 2.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.6

Radius: 10.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.72 AU - 2.92 AU

Year: 3011 Days

Day: 10.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,636,347 km

• M1: 130,898 km (0.1 R)
• M2: 727,943 km (0.057 R)
• M3: 1,662,032 km (0.063 R)
• M4: 3,245,077 km (0.098 R)
• M5: 3,716,161 km (0.119 R)
• M6: 6,046,596 km (0.037 R)
• M7: 7,140,905 km (0.103 R)
• M8: 7,845,511 km (0.045 R)
• M9: 8,462,004 km (0.045 R)
• M10: 9,976,682 km (0.043 R)
• M11: 11,582,017 km (0.105 R)
• M12: 13,718,723 km (0.089 R)
• M13: 15,698,352 km (0.073 R)
• M14: 16,415,973 km (0.091 R)
• M15: 16,995,066 km (0.099 R)
• M16: 19,506,814 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.4

Radius: 8.2

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.32 AU - 3.8 AU

Year: 3403 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,636,347 km

• M1: 102,475 km (0.073 R)
• M2: 451,786 km (0.119 R)
• M3: 843,433 km (0.12 R)
• M4: 1,172,698 km (0.116 R)
• M5: 1,508,096 km (0.09 R)
• M6: 2,452,657 km (0.038 R)
• M7: 2,971,463 km (0.079 R)
• M8: 4,459,064 km (0.106 R)
• M9: 5,804,697 km (0.059 R)
• M10: 7,502,632 km (0.091 R)
• M11: 9,867,176 km (0.105 R)
• M12: 11,174,213 km (0.084 R)
• M13: 11,619,416 km (0.031 R)
• M14: 12,977,615 km (0.114 R)
• M15: 14,076,412 km (0.065 R)
• M16: 15,127,935 km (0.106 R)
• M17: 15,562,966 km (0.075 R)
• M18: 24,591,197 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.3

Radius: 14.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.74 AU - 3.82 AU

Year: 4673 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,636,347 km

• M1: 184,155 km (0.055 R)
• M2: 860,936 km (0.067 R)
• M3: 1,568,085 km (0.031 R)
• M4: 2,532,991 km (0.114 R)
• M5: 3,265,422 km (0.112 R)
• M6: 7,248,017 km (0.081 R)
• M7: 9,043,191 km (0.074 R)
• M8: 10,983,625 km (0.089 R)
• M9: 11,861,316 km (0.025 R)
• M10: 14,341,649 km (0.067 R)
• M11: 17,333,456 km (0.119 R)
• M12: 19,106,191 km (0.053 R)
• M13: 20,376,128 km (0.066 R)
• M14: 20,997,108 km (0.099 R)
• M15: 24,216,305 km (0.107 R)
• M16: 24,913,132 km (0.116 R)
• M17: 28,600,420 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.6

Radius: 7.6

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.42 AU - 9.02 AU

Year: 14984 Days

Day: 18.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,636,347 km

• M1: 99,333 km (0.106 R)
• M2: 413,489 km (0.062 R)
• M3: 1,018,014 km (0.077 R)
• M4: 1,712,896 km (0.107 R)
• M5: 2,624,096 km (0.095 R)
• M6: 3,390,337 km (0.101 R)
• M7: 3,713,468 km (0.081 R)
• M8: 5,357,848 km (0.096 R)
• M9: 6,103,444 km (0.106 R)
• M10: 7,482,138 km (0.056 R)
• M11: 9,574,862 km (0.087 R)
• M12: 10,388,525 km (0.055 R)
• M13: 11,484,329 km (0.09 R)
• M14: 12,402,561 km (0.06 R)
• M15: 14,108,426 km (0.073 R)
• M16: 14,453,697 km (0.095 R)
• M17: 16,189,482 km (0.083 R)
• M18: 20,418,613 km (0.105 R)
• M19: 23,453,206 km (0.096 R)
• M20: 29,830,863 km (0.088 R)
• M21: 31,676,751 km (0.057 R)
• M22: 34,962,369 km (0.098 R)
• M23: 38,200,863 km (0.11 R)
• M24: 39,278,118 km (0.116 R)
• M25: 43,062,944 km (0.104 R)
• M26: 50,540,294 km (0.075 R)
• M27: 51,674,396 km (0.109 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 17,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit