🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.5 AU - 0.72 AU

Year: 172 Days

Day: 16.8 Hours

Environment

Temp: 224 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.35 AU - 1.49 AU

Year: 612 Days

Day: 20.8 Hours

Environment

Temp: -24 °C

Axial Tilt: 42.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.4

Radius: 9.9

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.81 AU - 6.93 AU

Year: 5143 Days

Day: 14 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,855,738 km

• M1: 124,166 km (0.052 R)
• M2: 457,620 km (0.083 R)
• M3: 797,656 km (0.11 R)
• M4: 1,558,361 km (0.064 R)
• M5: 1,999,226 km (0.096 R)
• M6: 2,926,284 km (0.115 R)
• M7: 3,732,616 km (0.106 R)
• M8: 4,117,382 km (0.078 R)
• M9: 4,553,610 km (0.095 R)
• M10: 5,519,114 km (0.1 R)
• M11: 9,730,294 km (0.102 R)
• M12: 12,527,774 km (0.11 R)
• M13: 12,879,778 km (0.076 R)
• M14: 18,723,520 km (0.112 R)
• M15: 20,334,240 km (0.059 R)
• M16: 24,840,726 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.8

Radius: 10

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.02 AU - 6.4 AU

Year: 5597 Days

Day: 14.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,855,738 km

• M1: 124,316 km (0.083 R)
• M2: 823,686 km (0.084 R)
• M3: 1,402,480 km (0.077 R)
• M4: 1,874,461 km (0.104 R)
• M5: 2,484,521 km (0.108 R)
• M6: 2,827,250 km (0.084 R)
• M7: 3,837,185 km (0.102 R)
• M8: 4,297,797 km (0.071 R)
• M9: 6,354,170 km (0.026 R)
• M10: 7,394,324 km (0.105 R)
• M11: 8,706,147 km (0.118 R)
• M12: 9,374,551 km (0.106 R)
• M13: 10,579,711 km (0.047 R)
• M14: 11,195,456 km (0.057 R)
• M15: 12,498,603 km (0.098 R)
• M16: 16,632,291 km (0.116 R)
• M17: 17,530,178 km (0.056 R)
• M18: 18,057,660 km (0.031 R)
• M19: 18,731,748 km (0.029 R)
• M20: 21,596,996 km (0.105 R)
• M21: 24,660,311 km (0.116 R)
• M22: 29,087,810 km (0.082 R)
• M23: 30,579,151 km (0.094 R)
• M24: 33,916,530 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 8.3

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.79 AU - 10.79 AU

Year: 10240 Days

Day: 9 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,855,738 km

• M1: 124,017 km (0.054 R)
• M2: 861,684 km (0.101 R)
• M3: 1,711,699 km (0.117 R)
• M4: 2,080,607 km (0.084 R)
• M5: 3,054,789 km (0.116 R)
• M6: 3,622,064 km (0.064 R)
• M7: 4,477,165 km (0.096 R)
• M8: 4,886,166 km (0.114 R)
• M9: 5,691,002 km (0.078 R)
• M10: 7,213,310 km (0.041 R)
• M11: 11,362,557 km (0.091 R)
• M12: 11,644,549 km (0.102 R)
• M13: 12,173,377 km (0.119 R)
• M14: 13,909,760 km (0.104 R)
• M15: 15,863,508 km (0.069 R)
• M16: 16,215,811 km (0.105 R)
• M17: 24,409,585 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.5

Radius: 14.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.34 AU - 13.52 AU

Year: 13068 Days

Day: 10.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,855,738 km

• M1: 200,611 km (0.093 R)
• M2: 834,307 km (0.106 R)
• M3: 2,210,309 km (0.032 R)
• M4: 3,148,287 km (0.055 R)
• M5: 3,985,138 km (0.043 R)
• M6: 4,604,323 km (0.051 R)
• M7: 6,507,358 km (0.091 R)
• M8: 9,019,106 km (0.09 R)
• M9: 11,100,012 km (0.087 R)
• M10: 12,068,509 km (0.111 R)
• M11: 12,982,253 km (0.039 R)
• M12: 16,321,128 km (0.072 R)
• M13: 18,818,515 km (0.091 R)
• M14: 19,535,088 km (0.077 R)
• M15: 20,419,062 km (0.104 R)
• M16: 21,872,854 km (0.113 R)
• M17: 22,825,942 km (0.112 R)
• M18: 25,071,855 km (0.068 R)
• M19: 26,381,435 km (0.08 R)
• M20: 29,327,017 km (0.074 R)
• M21: 31,375,311 km (0.105 R)
• M22: 32,690,127 km (0.092 R)
• M23: 36,192,811 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.2

Radius: 12.2

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 12.57 AU - 12.59 AU

Year: 16137 Days

Day: 8.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 90,855,738 km

• M1: 151,692 km (0.11 R)
• M2: 892,950 km (0.096 R)
• M3: 1,508,545 km (0.112 R)
• M4: 2,247,110 km (0.081 R)
• M5: 4,276,854 km (0.055 R)
• M6: 4,713,679 km (0.11 R)
• M7: 6,040,463 km (0.107 R)
• M8: 7,748,123 km (0.097 R)
• M9: 10,458,537 km (0.115 R)
• M10: 12,359,028 km (0.051 R)
• M11: 14,405,228 km (0.11 R)
• M12: 16,021,782 km (0.067 R)
• M13: 18,536,523 km (0.077 R)
• M14: 18,979,781 km (0.109 R)
• M15: 22,988,555 km (0.111 R)
• M16: 24,867,504 km (0.075 R)
• M17: 25,407,104 km (0.069 R)
• M18: 32,251,057 km (0.115 R)
• M19: 39,936,648 km (0.093 R)
• M20: 41,125,651 km (0.093 R)
• M21: 41,728,980 km (0.075 R)
• M22: 43,418,388 km (0.102 R)
• M23: 45,313,045 km (0.078 R)
• M24: 46,606,319 km (0.103 R)
• M25: 47,262,156 km (0.057 R)
• M26: 48,424,681 km (0.055 R)
• M27: 53,982,840 km (0.034 R)
• M28: 59,566,581 km (0.107 R)
• M29: 60,922,686 km (0.077 R)
• M30: 66,140,360 km (0.056 R)
• M31: 70,136,568 km (0.1 R)
• M32: 72,084,482 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.5

Radius: 3.1

Gravity: 52.6 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 18.37 AU - 19.99 AU

Year: 30378 Days

Day: 18.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,855,738 km

• M1: 38,746 km (0.069 R)
• M2: 191,635 km (0.072 R)
• M3: 293,062 km (0.066 R)
• M4: 424,708 km (0.084 R)
• M5: 701,614 km (0.098 R)
• M6: 1,325,587 km (0.096 R)
• M7: 1,491,940 km (0.057 R)
• M8: 3,214,110 km (0.086 R)
• M9: 3,452,868 km (0.109 R)
• M10: 4,101,674 km (0.049 R)
• M11: 4,454,725 km (0.089 R)
• M12: 4,601,481 km (0.112 R)
• M13: 4,789,525 km (0.051 R)
• M14: 6,767,060 km (0.096 R)
• M15: 7,565,613 km (0.054 R)
• M16: 9,347,623 km (0.064 R)
• M17: 9,895,002 km (0.091 R)
• M18: 15,230,858 km (0.117 R)
• M19: 16,680,911 km (0.1 R)
• M20: 19,168,723 km (0.083 R)
• M21: 19,655,066 km (0.117 R)
• M22: 23,292,089 km (0.097 R)
• M23: 24,408,089 km (0.025 R)
• M24: 28,720,547 km (0.096 R)
• M25: 31,456,543 km (0.101 R)
• M26: 36,098,864 km (0.077 R)
• M27: 37,439,859 km (0.111 R)
• M28: 38,659,381 km (0.104 R)
• M29: 42,640,629 km (0.117 R)
• M30: 45,842,921 km (0.106 R)
• M31: 55,615,103 km (0.119 R)
• M32: 64,928,917 km (0.098 R)
• M33: 66,023,823 km (0.087 R)
• M34: 68,701,625 km (0.099 R)
• M35: 69,838,420 km (0.114 R)
• M36: 77,902,942 km (0.049 R)
• M37: 78,643,002 km (0.041 R)
• M38: 82,158,253 km (0.066 R)
• M39: 84,732,384 km (0.114 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 12,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit