🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.87 AU - 1.01 AU

Year: 347 Days

Day: 35.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.97 AU - 1.57 AU

Year: 545 Days

Day: 19.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 60.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.89 AU - 2.63 AU

Year: 1294 Days

Day: 30.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.18 AU - 3.08 AU

Year: 1624 Days

Day: 40.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 11.8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.67 AU - 8.15 AU

Year: 8472 Days

Day: 13.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,161,755 km

• M1: 146,756 km (0.055 R)
• M2: 786,885 km (0.119 R)
• M3: 1,313,021 km (0.083 R)
• M4: 1,788,742 km (0.086 R)
• M5: 2,343,002 km (0.11 R)
• M6: 2,967,124 km (0.098 R)
• M7: 5,788,690 km (0.099 R)
• M8: 7,241,435 km (0.066 R)
• M9: 8,745,192 km (0.107 R)
• M10: 9,665,668 km (0.086 R)
• M11: 11,430,474 km (0.082 R)
• M12: 14,498,278 km (0.118 R)
• M13: 16,053,198 km (0.107 R)
• M14: 19,876,321 km (0.089 R)
• M15: 21,140,274 km (0.081 R)
• M16: 22,964,919 km (0.065 R)
• M17: 24,982,246 km (0.065 R)
• M18: 27,594,524 km (0.117 R)
• M19: 28,767,820 km (0.066 R)
• M20: 31,423,930 km (0.093 R)
• M21: 32,703,291 km (0.095 R)
• M22: 33,575,297 km (0.106 R)
• M23: 36,053,236 km (0.087 R)
• M24: 38,169,448 km (0.085 R)
• M25: 40,616,570 km (0.069 R)
• M26: 42,390,651 km (0.115 R)
• M27: 42,777,362 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.4

Radius: 13.6

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.13 AU - 10.07 AU

Year: 11327 Days

Day: 10.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,161,755 km

• M1: 178,470 km (0.075 R)
• M2: 620,682 km (0.05 R)
• M3: 1,355,207 km (0.051 R)
• M4: 2,822,762 km (0.12 R)
• M5: 3,484,882 km (0.065 R)
• M6: 4,139,373 km (0.1 R)
• M7: 5,325,983 km (0.035 R)
• M8: 5,777,619 km (0.083 R)
• M9: 6,789,051 km (0.07 R)
• M10: 8,189,287 km (0.055 R)
• M11: 10,090,526 km (0.12 R)
• M12: 11,038,228 km (0.108 R)
• M13: 21,464,153 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.3

Radius: 4.8

Gravity: 30.53 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 10.33 AU - 14.83 AU

Year: 16991 Days

Day: 20.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,161,755 km

• M1: 59,839 km (0.037 R)
• M2: 385,963 km (0.095 R)
• M3: 652,396 km (0.088 R)
• M4: 1,121,685 km (0.049 R)
• M5: 2,011,493 km (0.067 R)
• M6: 2,577,123 km (0.118 R)
• M7: 3,216,205 km (0.085 R)
• M8: 3,834,642 km (0.082 R)
• M9: 5,722,268 km (0.096 R)
• M10: 6,412,513 km (0.099 R)
• M11: 7,066,255 km (0.057 R)
• M12: 8,659,024 km (0.086 R)
• M13: 10,476,488 km (0.107 R)
• M14: 10,952,659 km (0.103 R)
• M15: 11,257,389 km (0.091 R)
• M16: 13,551,772 km (0.077 R)
• M17: 14,116,803 km (0.051 R)
• M18: 15,143,194 km (0.049 R)
• M19: 17,757,716 km (0.096 R)
• M20: 20,936,222 km (0.116 R)
• M21: 24,371,139 km (0.066 R)
• M22: 25,417,277 km (0.117 R)
• M23: 25,736,967 km (0.088 R)
• M24: 27,042,358 km (0.101 R)
• M25: 28,163,445 km (0.114 R)
• M26: 29,666,604 km (0.096 R)
• M27: 31,589,086 km (0.104 R)
• M28: 35,018,767 km (0.058 R)
• M29: 39,680,386 km (0.118 R)
• M30: 40,688,826 km (0.086 R)
• M31: 44,430,119 km (0.115 R)
• M32: 50,882,275 km (0.112 R)
• M33: 57,381,554 km (0.086 R)
• M34: 59,978,274 km (0.076 R)
• M35: 60,924,331 km (0.051 R)
• M36: 64,018,614 km (0.064 R)
• M37: 64,808,191 km (0.084 R)
• M38: 65,604,351 km (0.094 R)
• M39: 66,608,602 km (0.115 R)
• M40: 68,441,923 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.5

Radius: 3.2

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 10.76 AU - 17 AU

Year: 19692 Days

Day: 23.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,161,755 km

• M1: 54,454 km (0.105 R)
• M2: 387,758 km (0.062 R)
• M3: 514,916 km (0.041 R)
• M4: 855,251 km (0.091 R)
• M5: 960,269 km (0.043 R)
• M6: 1,417,589 km (0.111 R)
• M7: 2,157,650 km (0.074 R)
• M8: 2,600,759 km (0.082 R)
• M9: 2,720,587 km (0.117 R)
• M10: 5,459,724 km (0.104 R)
• M11: 6,063,950 km (0.12 R)
• M12: 8,057,940 km (0.115 R)
• M13: 8,485,790 km (0.043 R)
• M14: 8,794,260 km (0.101 R)
• M15: 9,621,686 km (0.106 R)
• M16: 10,449,411 km (0.072 R)
• M17: 10,752,646 km (0.111 R)
• M18: 14,988,510 km (0.072 R)
• M19: 15,116,266 km (0.062 R)
• M20: 18,332,172 km (0.117 R)
• M21: 18,847,088 km (0.115 R)
• M22: 19,220,634 km (0.073 R)
• M23: 19,371,428 km (0.116 R)
• M24: 20,606,658 km (0.119 R)
• M25: 20,844,070 km (0.099 R)
• M26: 21,485,695 km (0.112 R)
• M27: 22,808,589 km (0.107 R)
• M28: 27,481,129 km (0.041 R)
• M29: 36,081,062 km (0.112 R)
• M30: 40,735,051 km (0.08 R)
• M31: 42,116,588 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.3

Radius: 4.1

Gravity: 29.46 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 17.87 AU - 18.75 AU

Year: 29835 Days

Day: 21.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,161,755 km

• M1: 51,162 km (0.106 R)
• M2: 208,839 km (0.071 R)
• M3: 395,836 km (0.116 R)
• M4: 570,716 km (0.088 R)
• M5: 785,538 km (0.102 R)
• M6: 1,192,744 km (0.102 R)
• M7: 1,672,055 km (0.093 R)
• M8: 1,844,243 km (0.091 R)
• M9: 3,253,305 km (0.114 R)
• M10: 4,208,487 km (0.092 R)
• M11: 4,675,382 km (0.048 R)
• M12: 7,037,533 km (0.028 R)
• M13: 8,895,538 km (0.087 R)
• M14: 10,217,086 km (0.096 R)
• M15: 11,871,638 km (0.071 R)
• M16: 12,436,669 km (0.079 R)
• M17: 13,242,553 km (0.089 R)
• M18: 16,728,034 km (0.112 R)
• M19: 18,539,215 km (0.112 R)
• M20: 20,277,393 km (0.076 R)
• M21: 24,410,184 km (0.045 R)
• M22: 29,579,987 km (0.054 R)
• M23: 31,408,671 km (0.067 R)
• M24: 33,450,233 km (0.066 R)
• M25: 34,149,903 km (0.082 R)
• M26: 44,994,701 km (0.081 R)
• M27: 58,125,804 km (0.096 R)
• M28: 62,028,064 km (0.09 R)
• M29: 63,083,328 km (0.086 R)
• M30: 68,763,858 km (0.079 R)
• M31: 71,496,862 km (0.109 R)
• M32: 74,301,373 km (0.084 R)
• M33: 77,665,081 km (0.116 R)
• M34: 87,303,522 km (0.075 R)
• M35: 88,362,226 km (0.091 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: 538 - 10,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit