🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.73 AU - 1.17 AU

Year: 347 Days

Day: 17.8 Hours

Environment

Temp: 25 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 30,374,932 km

• M1: 16,306 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.9 AU - 1.22 AU

Year: 409 Days

Day: 33.2 Hours

Environment

Temp: 20 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.17 AU - 3.23 AU

Year: 2145 Days

Day: 16 Hours

Environment

Temp: -114 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,374,932 km

• M1: 139,575 km (0.034 R)
• M2: 1,173,147 km (0.119 R)

Asteroid Belt

Center: 3.78 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.68 AU - 5.04 AU

Year: 3412 Days

Day: 34.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.2

Radius: 13.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.27 AU - 5.45 AU

Year: 4015 Days

Day: 5.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,374,932 km

• M1: 171,589 km (0.083 R)
• M2: 788,979 km (0.118 R)
• M3: 1,285,345 km (0.069 R)
• M4: 1,710,951 km (0.054 R)
• M5: 2,452,059 km (0.11 R)
• M6: 3,266,619 km (0.036 R)
• M7: 4,598,190 km (0.057 R)
• M8: 5,790,335 km (0.084 R)
• M9: 6,525,160 km (0.103 R)
• M10: 7,264,323 km (0.049 R)
• M11: 9,544,643 km (0.038 R)
• M12: 10,031,285 km (0.106 R)
• M13: 11,986,230 km (0.093 R)
• M14: 13,223,554 km (0.043 R)
• M15: 15,049,995 km (0.073 R)
• M16: 15,903,002 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 8.5

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.5 AU - 7.3 AU

Year: 6067 Days

Day: 10.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,374,932 km

• M1: 105,766 km (0.096 R)
• M2: 522,695 km (0.086 R)
• M3: 4,704,404 km (0.114 R)
• M4: 9,415,540 km (0.07 R)
• M5: 10,095,463 km (0.103 R)
• M6: 10,899,102 km (0.109 R)
• M7: 12,432,032 km (0.096 R)
• M8: 13,460,068 km (0.041 R)
• M9: 17,695,783 km (0.048 R)
• M10: 19,736,297 km (0.081 R)
• M11: 20,217,853 km (0.107 R)
• M12: 23,502,873 km (0.069 R)
• M13: 25,717,220 km (0.11 R)
• M14: 26,457,580 km (0.11 R)
• M15: 27,127,479 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.5

Radius: 13.1

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.08 AU - 7.3 AU

Year: 6484 Days

Day: 6.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,374,932 km

• M1: 176,077 km (0.101 R)
• M2: 959,970 km (0.106 R)
• M3: 1,446,611 km (0.1 R)
• M4: 2,186,522 km (0.08 R)
• M5: 4,446,498 km (0.063 R)
• M6: 5,083,036 km (0.066 R)
• M7: 6,634,516 km (0.057 R)
• M8: 8,519,898 km (0.106 R)
• M9: 12,715,370 km (0.108 R)
• M10: 16,470,277 km (0.11 R)
• M11: 19,415,260 km (0.096 R)
• M12: 19,949,474 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.3

Radius: 15

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.17 AU - 13.05 AU

Year: 12951 Days

Day: 5.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,374,932 km

• M1: 186,698 km (0.093 R)
• M2: 851,511 km (0.093 R)
• M3: 1,593,517 km (0.089 R)
• M4: 2,178,145 km (0.09 R)
• M5: 2,975,202 km (0.066 R)
• M6: 4,105,564 km (0.05 R)
• M7: 5,018,859 km (0.098 R)
• M8: 7,249,962 km (0.062 R)
• M9: 9,235,125 km (0.039 R)
• M10: 12,417,072 km (0.076 R)
• M11: 13,314,809 km (0.114 R)
• M12: 26,866,880 km (0.039 R)
• M13: 30,380,934 km (0.107 R)
• M14: 39,934,104 km (0.034 R)
• M15: 44,199,439 km (0.03 R)
• M16: 50,026,725 km (0.093 R)
• M17: 54,634,638 km (0.111 R)
• M18: 56,346,636 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.9

Radius: 6.4

Gravity: 19.28 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 11.45 AU - 13.49 AU

Year: 16502 Days

Day: 24 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 30,374,932 km

• M1: 79,586 km (0.097 R)
• M2: 366,814 km (0.048 R)
• M3: 932,593 km (0.077 R)
• M4: 1,553,574 km (0.115 R)
• M5: 2,010,745 km (0.092 R)
• M6: 3,323,466 km (0.09 R)
• M7: 3,545,170 km (0.079 R)
• M8: 4,206,543 km (0.051 R)
• M9: 4,566,774 km (0.062 R)
• M10: 6,011,291 km (0.054 R)
• M11: 6,425,977 km (0.066 R)
• M12: 7,405,244 km (0.092 R)
• M13: 7,979,550 km (0.106 R)
• M14: 10,051,930 km (0.119 R)
• M15: 11,617,471 km (0.103 R)
• M16: 12,195,368 km (0.069 R)
• M17: 12,591,204 km (0.065 R)
• M18: 16,387,998 km (0.1 R)
• M19: 16,708,287 km (0.115 R)
• M20: 17,862,285 km (0.115 R)
• M21: 20,884,461 km (0.056 R)
• M22: 21,450,988 km (0.104 R)
• M23: 25,173,133 km (0.069 R)
• M24: 26,139,535 km (0.082 R)
• M25: 28,721,295 km (0.031 R)
• M26: 32,715,259 km (0.106 R)
• M27: 34,778,513 km (0.075 R)
• M28: 46,407,354 km (0.082 R)
• M29: 48,021,365 km (0.078 R)
• M30: 53,262,377 km (0.103 R)
• M31: 55,749,442 km (0.105 R)
• M32: 56,292,183 km (0.065 R)
• M33: 63,279,750 km (0.12 R)
• M34: 64,663,680 km (0.094 R)
• M35: 68,728,553 km (0.11 R)
• M36: 68,936,195 km (0.088 R)
• M37: 70,190,723 km (0.048 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.4

Radius: 4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 15.9 AU - 18.04 AU

Year: 26197 Days

Day: 19.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,374,932 km

• M1: 51,162 km (0.118 R)
• M2: 181,013 km (0.09 R)
• M3: 318,793 km (0.117 R)
• M4: 535,112 km (0.073 R)
• M5: 687,253 km (0.118 R)
• M6: 885,021 km (0.112 R)
• M7: 1,961,527 km (0.108 R)
• M8: 4,958,721 km (0.118 R)
• M9: 6,502,271 km (0.044 R)
• M10: 7,777,892 km (0.109 R)
• M11: 8,416,227 km (0.106 R)
• M12: 11,992,813 km (0.032 R)
• M13: 13,679,528 km (0.066 R)
• M14: 15,928,284 km (0.064 R)
• M15: 24,678,862 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 16,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit