🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.53 AU - 0.87 AU

Year: 250 Days

Day: 38.5 Hours

Environment

Temp: -11 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 85,068,957 km

• M1: 528,978 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.96 AU - 1.3 AU

Year: 514 Days

Day: 21.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.78 AU - 2.12 AU

Year: 1164 Days

Day: 16.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 44.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,068,957 km

• M1: 249,679 km (0.091 R)
• M2: 1,475,933 km (0.104 R)

Asteroid Belt

Center: 2.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520

Radius: 13.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.97 AU - 3.03 AU

Year: 2221 Days

Day: 7.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,068,957 km

• M1: 164,408 km (0.086 R)
• M2: 641,625 km (0.098 R)
• M3: 1,056,011 km (0.088 R)
• M4: 1,479,822 km (0.084 R)
• M5: 2,124,589 km (0.081 R)
• M6: 2,790,748 km (0.086 R)
• M7: 3,610,096 km (0.11 R)
• M8: 4,247,832 km (0.036 R)
• M9: 5,111,460 km (0.117 R)
• M10: 6,039,715 km (0.095 R)
• M11: 7,326,556 km (0.098 R)
• M12: 8,383,165 km (0.06 R)
• M13: 9,109,912 km (0.07 R)
• M14: 12,809,018 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.6

Radius: 10.9

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.4 AU - 4.42 AU

Year: 3305 Days

Day: 7.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,068,957 km

• M1: 135,536 km (0.115 R)
• M2: 520,301 km (0.084 R)
• M3: 962,064 km (0.092 R)
• M4: 1,434,045 km (0.046 R)
• M5: 2,085,544 km (0.11 R)
• M6: 3,031,002 km (0.095 R)
• M7: 4,019,844 km (0.098 R)
• M8: 4,424,507 km (0.079 R)
• M9: 4,856,246 km (0.074 R)
• M10: 5,721,221 km (0.066 R)
• M11: 6,594,125 km (0.12 R)
• M12: 7,030,801 km (0.084 R)
• M13: 8,278,597 km (0.07 R)
• M14: 9,201,765 km (0.088 R)
• M15: 12,105,609 km (0.114 R)
• M16: 14,145,227 km (0.09 R)
• M17: 14,767,853 km (0.119 R)
• M18: 15,571,642 km (0.095 R)
• M19: 16,688,390 km (0.09 R)
• M20: 17,501,455 km (0.105 R)
• M21: 17,917,786 km (0.099 R)
• M22: 18,708,411 km (0.108 R)
• M23: 19,905,642 km (0.103 R)
• M24: 21,422,265 km (0.1 R)
• M25: 23,803,564 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.6

Radius: 12

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.15 AU - 8.03 AU

Year: 7232 Days

Day: 14.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,068,957 km

• M1: 149,299 km (0.12 R)
• M2: 550,520 km (0.115 R)
• M3: 1,188,106 km (0.1 R)
• M4: 1,923,230 km (0.104 R)
• M5: 2,326,247 km (0.077 R)
• M6: 3,518,542 km (0.104 R)
• M7: 3,950,132 km (0.111 R)
• M8: 4,396,083 km (0.069 R)
• M9: 6,500,327 km (0.106 R)
• M10: 7,066,255 km (0.111 R)
• M11: 7,481,689 km (0.116 R)
• M12: 8,071,852 km (0.063 R)
• M13: 8,625,813 km (0.048 R)
• M14: 9,846,681 km (0.05 R)
• M15: 13,376,742 km (0.079 R)
• M16: 13,830,174 km (0.117 R)
• M17: 14,482,271 km (0.104 R)
• M18: 15,154,863 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.7

Radius: 11

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.41 AU - 11.55 AU

Year: 12478 Days

Day: 9.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,068,957 km

• M1: 136,882 km (0.112 R)
• M2: 559,197 km (0.097 R)
• M3: 1,211,294 km (0.054 R)
• M4: 1,825,992 km (0.113 R)
• M5: 2,364,694 km (0.041 R)
• M6: 3,305,814 km (0.039 R)
• M7: 4,262,193 km (0.068 R)
• M8: 4,640,825 km (0.059 R)
• M9: 5,007,639 km (0.043 R)
• M10: 5,991,245 km (0.11 R)
• M11: 6,590,833 km (0.091 R)
• M12: 8,583,178 km (0.052 R)
• M13: 9,138,186 km (0.116 R)
• M14: 9,879,144 km (0.113 R)
• M15: 10,320,308 km (0.091 R)
• M16: 10,716,892 km (0.065 R)
• M17: 12,406,750 km (0.03 R)
• M18: 14,547,944 km (0.118 R)
• M19: 15,264,817 km (0.06 R)
• M20: 16,231,668 km (0.066 R)
• M21: 18,701,828 km (0.08 R)
• M22: 24,776,100 km (0.08 R)
• M23: 25,283,835 km (0.089 R)
• M24: 29,258,800 km (0.07 R)
• M25: 29,940,518 km (0.093 R)
• M26: 37,750,275 km (0.111 R)
• M27: 41,762,340 km (0.048 R)
• M28: 46,202,704 km (0.095 R)
• M29: 46,663,465 km (0.073 R)
• M30: 49,491,912 km (0.12 R)
• M31: 51,111,758 km (0.113 R)
• M32: 55,835,161 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.9

Radius: 13.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.38 AU - 10.06 AU

Year: 12955 Days

Day: 12.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,068,957 km

• M1: 218,862 km (0.061 R)
• M2: 1,039,556 km (0.113 R)
• M3: 2,599,562 km (0.12 R)
• M4: 3,152,626 km (0.072 R)
• M5: 3,650,936 km (0.12 R)
• M6: 5,133,152 km (0.113 R)
• M7: 9,003,548 km (0.051 R)
• M8: 20,441,053 km (0.07 R)
• M9: 21,667,157 km (0.118 R)
• M10: 27,150,667 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.5

Radius: 3.6

Gravity: 34.84 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 16.23 AU - 17.13 AU

Year: 29122 Days

Day: 21.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,068,957 km

• M1: 57,446 km (0.06 R)
• M2: 177,423 km (0.105 R)
• M3: 508,334 km (0.089 R)
• M4: 724,951 km (0.03 R)
• M5: 1,832,424 km (0.092 R)
• M6: 2,097,063 km (0.118 R)
• M7: 2,272,242 km (0.076 R)
• M8: 2,410,022 km (0.067 R)
• M9: 2,553,336 km (0.061 R)
• M10: 5,777,021 km (0.118 R)
• M11: 7,140,306 km (0.108 R)
• M12: 8,106,709 km (0.069 R)
• M13: 8,429,092 km (0.11 R)
• M14: 10,545,752 km (0.066 R)
• M15: 11,794,147 km (0.071 R)
• M16: 16,892,741 km (0.059 R)
• M17: 17,066,723 km (0.117 R)
• M18: 28,341,915 km (0.092 R)
• M19: 28,710,973 km (0.055 R)
• M20: 29,333,300 km (0.096 R)
• M21: 29,458,813 km (0.111 R)
• M22: 30,091,761 km (0.049 R)
• M23: 30,475,929 km (0.093 R)
• M24: 34,638,489 km (0.064 R)
• M25: 36,058,024 km (0.072 R)
• M26: 37,074,392 km (0.057 R)
• M27: 48,660,447 km (0.102 R)
• M28: 51,709,402 km (0.093 R)
• M29: 60,592,374 km (0.084 R)
• M30: 74,799,534 km (0.094 R)
• M31: 84,814,214 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: 296 - 19,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit