🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.52 AU - 0.54 AU

Year: 144 Days

Day: 28.6 Hours

Environment

Temp: 243 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.87 AU - 1.33 AU

Year: 430 Days

Day: 21.8 Hours

Environment

Temp: 14 °C

Axial Tilt: 16.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 10.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.95 AU - 5.09 AU

Year: 3582 Days

Day: 5 Hours

Environment

Temp: -143 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,416,174 km

• M1: 135,685 km (0.072 R)
• M2: 520,451 km (0.088 R)
• M3: 1,735,485 km (0.042 R)
• M4: 2,208,065 km (0.079 R)
• M5: 3,659,314 km (0.119 R)
• M6: 4,222,699 km (0.089 R)
• M7: 4,608,811 km (0.053 R)
• M8: 5,428,907 km (0.108 R)
• M9: 5,936,193 km (0.082 R)
• M10: 6,396,057 km (0.073 R)
• M11: 7,445,037 km (0.113 R)
• M12: 8,195,420 km (0.095 R)
• M13: 9,094,952 km (0.078 R)
• M14: 9,882,136 km (0.114 R)
• M15: 10,419,492 km (0.075 R)
• M16: 11,670,429 km (0.086 R)
• M17: 12,068,659 km (0.088 R)
• M18: 13,317,950 km (0.074 R)
• M19: 13,796,963 km (0.112 R)
• M20: 14,928,521 km (0.093 R)
• M21: 17,018,104 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.8

Radius: 13.7

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.47 AU - 6.51 AU

Year: 4795 Days

Day: 8.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,416,174 km

• M1: 170,841 km (0.101 R)
• M2: 648,656 km (0.073 R)
• M3: 1,075,908 km (0.104 R)
• M4: 1,990,400 km (0.073 R)
• M5: 2,686,030 km (0.083 R)
• M6: 3,197,505 km (0.093 R)
• M7: 3,666,045 km (0.036 R)
• M8: 4,950,942 km (0.109 R)
• M9: 6,775,138 km (0.103 R)
• M10: 8,738,012 km (0.085 R)
• M11: 9,914,000 km (0.057 R)
• M12: 10,740,080 km (0.084 R)
• M13: 11,285,065 km (0.059 R)
• M14: 13,810,726 km (0.111 R)
• M15: 22,719,279 km (0.084 R)
• M16: 23,543,264 km (0.078 R)
• M17: 24,232,162 km (0.086 R)
• M18: 25,330,510 km (0.067 R)
• M19: 29,437,121 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.9

Radius: 12.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.23 AU - 6.29 AU

Year: 5839 Days

Day: 10.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,416,174 km

• M1: 160,967 km (0.116 R)
• M2: 1,036,414 km (0.092 R)
• M3: 2,226,166 km (0.063 R)
• M4: 2,746,318 km (0.06 R)
• M5: 3,199,300 km (0.084 R)
• M6: 3,702,398 km (0.086 R)
• M7: 4,569,916 km (0.095 R)
• M8: 5,095,303 km (0.093 R)
• M9: 6,434,653 km (0.066 R)
• M10: 6,847,394 km (0.111 R)
• M11: 8,353,545 km (0.055 R)
• M12: 9,014,169 km (0.045 R)
• M13: 9,888,718 km (0.092 R)
• M14: 12,011,512 km (0.082 R)
• M15: 12,853,898 km (0.077 R)
• M16: 13,455,580 km (0.095 R)
• M17: 15,557,431 km (0.11 R)
• M18: 16,880,025 km (0.117 R)
• M19: 18,344,738 km (0.114 R)
• M20: 21,222,403 km (0.081 R)
• M21: 23,407,579 km (0.119 R)
• M22: 24,554,695 km (0.072 R)
• M23: 28,588,452 km (0.111 R)
• M24: 29,614,843 km (0.067 R)
• M25: 30,376,446 km (0.025 R)
• M26: 35,436,594 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.6

Radius: 14.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.62 AU - 9.88 AU

Year: 8834 Days

Day: 8 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,416,174 km

• M1: 181,612 km (0.068 R)
• M2: 875,447 km (0.06 R)
• M3: 1,448,407 km (0.067 R)
• M4: 2,288,698 km (0.028 R)
• M5: 3,103,258 km (0.074 R)
• M6: 3,748,773 km (0.1 R)
• M7: 4,885,268 km (0.1 R)
• M8: 5,763,258 km (0.12 R)
• M9: 7,348,098 km (0.086 R)
• M10: 9,465,805 km (0.118 R)
• M11: 10,736,490 km (0.101 R)
• M12: 11,913,675 km (0.103 R)
• M13: 14,178,587 km (0.05 R)
• M14: 15,352,631 km (0.047 R)
• M15: 16,087,605 km (0.07 R)
• M16: 16,590,553 km (0.105 R)
• M17: 17,894,000 km (0.102 R)
• M18: 18,502,265 km (0.103 R)
• M19: 22,681,730 km (0.076 R)
• M20: 28,171,972 km (0.092 R)
• M21: 31,565,001 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.4

Radius: 13.2

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.67 AU - 11.49 AU

Year: 11054 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,416,174 km

• M1: 164,258 km (0.109 R)
• M2: 578,645 km (0.044 R)
• M3: 1,067,381 km (0.067 R)
• M4: 3,095,629 km (0.098 R)
• M5: 4,433,482 km (0.057 R)
• M6: 6,937,152 km (0.039 R)
• M7: 11,186,181 km (0.09 R)
• M8: 12,456,715 km (0.116 R)
• M9: 15,560,123 km (0.119 R)
• M10: 16,554,650 km (0.046 R)
• M11: 17,591,064 km (0.106 R)
• M12: 18,513,484 km (0.111 R)
• M13: 18,986,663 km (0.034 R)
• M14: 22,173,546 km (0.035 R)
• M15: 23,524,415 km (0.111 R)
• M16: 24,360,816 km (0.082 R)
• M17: 31,669,570 km (0.059 R)
• M18: 38,630,209 km (0.057 R)
• M19: 39,403,780 km (0.115 R)
• M20: 40,056,326 km (0.101 R)
• M21: 43,151,207 km (0.1 R)
• M22: 49,661,407 km (0.12 R)
• M23: 51,969,253 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851

Radius: 5.2

Gravity: 31.47 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 11.99 AU - 12.25 AU

Year: 15729 Days

Day: 19.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,416,174 km

• M1: 64,626 km (0.078 R)
• M2: 235,916 km (0.035 R)
• M3: 477,516 km (0.072 R)
• M4: 889,958 km (0.038 R)
• M5: 1,512,734 km (0.061 R)
• M6: 4,100,328 km (0.059 R)
• M7: 4,323,378 km (0.103 R)
• M8: 6,797,877 km (0.044 R)
• M9: 10,313,726 km (0.109 R)
• M10: 11,028,505 km (0.114 R)
• M11: 13,027,282 km (0.113 R)
• M12: 13,579,747 km (0.028 R)
• M13: 17,392,099 km (0.098 R)
• M14: 18,835,270 km (0.117 R)
• M15: 20,912,436 km (0.08 R)
• M16: 25,622,375 km (0.068 R)
• M17: 26,928,963 km (0.104 R)
• M18: 30,509,139 km (0.078 R)
• M19: 32,100,412 km (0.091 R)
• M20: 39,589,730 km (0.11 R)
• M21: 51,503,106 km (0.076 R)
• M22: 52,361,349 km (0.108 R)
• M23: 60,139,541 km (0.117 R)
• M24: 64,401,435 km (0.111 R)
• M25: 66,201,396 km (0.074 R)
• M26: 67,829,320 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.7

Radius: 4

Gravity: 18.36 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 12.52 AU - 14.06 AU

Year: 18061 Days

Day: 20 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,416,174 km

• M1: 56,099 km (0.114 R)
• M2: 331,808 km (0.094 R)
• M3: 635,641 km (0.09 R)
• M4: 1,510,191 km (0.102 R)
• M5: 1,739,674 km (0.099 R)
• M6: 2,828,896 km (0.091 R)
• M7: 3,877,427 km (0.102 R)
• M8: 4,160,915 km (0.119 R)
• M9: 5,194,786 km (0.101 R)
• M10: 6,084,145 km (0.095 R)
• M11: 6,389,026 km (0.084 R)
• M12: 6,824,655 km (0.075 R)
• M13: 7,153,770 km (0.035 R)
• M14: 7,711,022 km (0.109 R)
• M15: 9,205,056 km (0.116 R)
• M16: 9,657,739 km (0.109 R)
• M17: 11,160,899 km (0.081 R)
• M18: 11,617,471 km (0.069 R)
• M19: 12,446,244 km (0.102 R)
• M20: 12,628,903 km (0.078 R)
• M21: 14,420,337 km (0.111 R)
• M22: 16,520,242 km (0.103 R)
• M23: 18,975,592 km (0.106 R)
• M24: 19,707,575 km (0.094 R)
• M25: 24,978,506 km (0.113 R)
• M26: 25,269,175 km (0.093 R)
• M27: 36,545,713 km (0.101 R)
• M28: 37,423,553 km (0.081 R)
• M29: 39,613,815 km (0.077 R)
• M30: 49,687,287 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.7

Radius: 4.7

Gravity: 19.45 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 12.75 AU - 17.57 AU

Year: 22004 Days

Day: 16.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,416,174 km

• M1: 58,493 km (0.102 R)
• M2: 728,691 km (0.084 R)
• M3: 880,533 km (0.11 R)
• M4: 1,469,649 km (0.064 R)
• M5: 3,985,736 km (0.089 R)
• M6: 4,769,031 km (0.112 R)
• M7: 7,680,953 km (0.078 R)
• M8: 8,624,616 km (0.069 R)
• M9: 8,832,557 km (0.103 R)
• M10: 12,173,676 km (0.051 R)
• M11: 12,835,497 km (0.118 R)
• M12: 16,428,838 km (0.053 R)
• M13: 21,012,218 km (0.054 R)
• M14: 31,722,528 km (0.111 R)
• M15: 40,003,667 km (0.09 R)
• M16: 44,173,858 km (0.1 R)
• M17: 50,788,926 km (0.102 R)
• M18: 54,242,842 km (0.098 R)
• M19: 55,308,726 km (0.085 R)
• M20: 61,806,061 km (0.12 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 16,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit