🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.55 AU - 0.75 AU

Year: 201 Days

Day: 30.9 Hours

Environment

Temp: 170 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.89 AU - 1.27 AU

Year: 430 Days

Day: 42 Hours

Environment

Temp: 11 °C

Axial Tilt: 14 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.87 AU - 1.41 AU

Year: 466 Days

Day: 45.1 Hours

Environment

Temp: -19 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 64,690,270 km

• M1: 72,405 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.3 AU - 1.88 AU

Year: 768 Days

Day: 41.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,690,270 km

• M1: 171,888 km (0.102 R)

Asteroid Belt

Center: 3.62 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.2

Radius: 13.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.16 AU - 6.12 AU

Year: 5128 Days

Day: 6.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,690,270 km

• M1: 166,951 km (0.042 R)
• M2: 726,597 km (0.097 R)
• M3: 1,178,831 km (0.118 R)
• M4: 1,902,735 km (0.113 R)
• M5: 2,475,845 km (0.113 R)
• M6: 3,219,346 km (0.091 R)
• M7: 4,243,493 km (0.09 R)
• M8: 4,945,855 km (0.109 R)
• M9: 5,866,780 km (0.104 R)
• M10: 6,490,752 km (0.064 R)
• M11: 7,391,332 km (0.08 R)
• M12: 8,447,044 km (0.086 R)
• M13: 11,165,686 km (0.115 R)
• M14: 11,707,978 km (0.117 R)
• M15: 13,240,758 km (0.083 R)
• M16: 14,003,557 km (0.112 R)
• M17: 14,741,823 km (0.101 R)
• M18: 18,577,363 km (0.079 R)
• M19: 19,083,452 km (0.092 R)
• M20: 19,598,817 km (0.065 R)
• M21: 21,132,195 km (0.051 R)
• M22: 21,683,912 km (0.107 R)
• M23: 25,662,916 km (0.105 R)
• M24: 26,370,365 km (0.083 R)
• M25: 26,849,227 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921

Radius: 9.3

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.17 AU - 11.81 AU

Year: 12090 Days

Day: 12.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,690,270 km

• M1: 115,639 km (0.109 R)
• M2: 678,576 km (0.09 R)
• M3: 1,243,458 km (0.119 R)
• M4: 1,733,540 km (0.099 R)
• M5: 2,097,661 km (0.107 R)
• M6: 4,880,032 km (0.065 R)
• M7: 5,290,080 km (0.113 R)
• M8: 8,064,522 km (0.065 R)
• M9: 10,526,903 km (0.108 R)
• M10: 10,866,341 km (0.034 R)
• M11: 12,801,987 km (0.055 R)
• M12: 16,724,593 km (0.099 R)
• M13: 18,709,308 km (0.058 R)
• M14: 19,715,653 km (0.109 R)
• M15: 21,472,530 km (0.057 R)
• M16: 22,575,366 km (0.033 R)
• M17: 23,426,877 km (0.077 R)
• M18: 24,893,684 km (0.09 R)
• M19: 26,628,870 km (0.097 R)
• M20: 28,443,342 km (0.07 R)
• M21: 30,681,626 km (0.062 R)
• M22: 31,608,983 km (0.082 R)
• M23: 33,641,420 km (0.069 R)
• M24: 35,886,884 km (0.053 R)
• M25: 37,569,411 km (0.071 R)
• M26: 46,777,459 km (0.036 R)
• M27: 48,783,566 km (0.066 R)
• M28: 52,472,201 km (0.113 R)
• M29: 52,801,466 km (0.086 R)
• M30: 58,789,570 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.2

Radius: 10.5

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.52 AU - 12.53 AU

Year: 12144 Days

Day: 5.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,690,270 km

• M1: 130,599 km (0.066 R)
• M2: 594,951 km (0.037 R)
• M3: 1,077,105 km (0.071 R)
• M4: 1,991,896 km (0.097 R)
• M5: 3,194,363 km (0.092 R)
• M6: 3,559,681 km (0.116 R)
• M7: 4,202,803 km (0.113 R)
• M8: 5,244,453 km (0.11 R)
• M9: 6,719,936 km (0.105 R)
• M10: 7,788,813 km (0.083 R)
• M11: 8,546,676 km (0.083 R)
• M12: 10,576,569 km (0.108 R)
• M13: 11,562,120 km (0.116 R)
• M14: 12,969,986 km (0.118 R)
• M15: 13,715,282 km (0.107 R)
• M16: 15,359,513 km (0.099 R)
• M17: 17,352,904 km (0.11 R)
• M18: 17,876,946 km (0.074 R)
• M19: 19,916,713 km (0.111 R)
• M20: 20,740,997 km (0.076 R)
• M21: 25,590,361 km (0.06 R)
• M22: 26,465,958 km (0.072 R)
• M23: 26,861,494 km (0.114 R)
• M24: 28,071,741 km (0.118 R)
• M25: 32,935,168 km (0.095 R)
• M26: 34,791,528 km (0.079 R)
• M27: 35,266,352 km (0.102 R)
• M28: 35,865,940 km (0.055 R)
• M29: 40,124,842 km (0.109 R)
• M30: 50,233,319 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.3

Radius: 13.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.76 AU - 12.8 AU

Year: 13552 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,690,270 km

• M1: 169,794 km (0.088 R)
• M2: 744,100 km (0.08 R)
• M3: 2,003,863 km (0.054 R)
• M4: 2,927,182 km (0.109 R)
• M5: 3,643,456 km (0.076 R)
• M6: 4,117,681 km (0.085 R)
• M7: 5,279,458 km (0.071 R)
• M8: 6,114,065 km (0.064 R)
• M9: 8,046,570 km (0.05 R)
• M10: 8,526,331 km (0.088 R)
• M11: 9,152,847 km (0.07 R)
• M12: 9,765,151 km (0.113 R)
• M13: 10,451,506 km (0.035 R)
• M14: 12,439,661 km (0.119 R)
• M15: 22,311,475 km (0.078 R)
• M16: 23,909,629 km (0.066 R)
• M17: 26,535,670 km (0.092 R)
• M18: 30,105,823 km (0.089 R)
• M19: 33,777,703 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.2

Radius: 6.1

Gravity: 17.55 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 9.43 AU - 14.71 AU

Year: 16056 Days

Day: 18.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,690,270 km

• M1: 78,240 km (0.117 R)
• M2: 446,400 km (0.05 R)
• M3: 665,711 km (0.111 R)
• M4: 1,251,237 km (0.086 R)
• M5: 1,555,967 km (0.092 R)
• M6: 2,076,269 km (0.1 R)
• M7: 2,870,035 km (0.054 R)
• M8: 3,115,675 km (0.062 R)
• M9: 4,627,661 km (0.102 R)
• M10: 6,614,470 km (0.075 R)
• M11: 10,420,838 km (0.117 R)
• M12: 12,168,440 km (0.096 R)
• M13: 13,346,374 km (0.071 R)
• M14: 14,032,579 km (0.118 R)
• M15: 14,313,524 km (0.09 R)
• M16: 15,549,951 km (0.104 R)
• M17: 17,253,422 km (0.057 R)
• M18: 18,067,384 km (0.101 R)
• M19: 19,509,507 km (0.108 R)
• M20: 19,859,566 km (0.036 R)
• M21: 21,210,136 km (0.112 R)
• M22: 23,398,005 km (0.08 R)
• M23: 27,009,297 km (0.102 R)
• M24: 29,574,452 km (0.049 R)
• M25: 30,036,560 km (0.119 R)
• M26: 32,664,695 km (0.083 R)
• M27: 40,461,586 km (0.054 R)
• M28: 41,750,372 km (0.118 R)
• M29: 43,958,886 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 18,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit