🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.99 AU - 1.37 AU

Year: 475 Days

Day: 24.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1 AU - 1.46 AU

Year: 506 Days

Day: 14.8 Hours

Environment

Temp: -16 °C

Axial Tilt: 29.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.97 AU - 1.57 AU

Year: 531 Days

Day: 31.4 Hours

Environment

Temp: -15 °C

Axial Tilt: 21.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.91 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.14 AU - 2.96 AU

Year: 1510 Days

Day: 17.9 Hours

Environment

Temp: -87 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.65 AU - 3.19 AU

Year: 1850 Days

Day: 42.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.8

Radius: 13.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.61 AU - 6.77 AU

Year: 5711 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,198,450 km

• M1: 167,998 km (0.094 R)
• M2: 877,092 km (0.092 R)
• M3: 1,344,137 km (0.05 R)
• M4: 2,009,997 km (0.084 R)
• M5: 2,812,889 km (0.11 R)
• M6: 3,592,443 km (0.098 R)
• M7: 4,590,560 km (0.119 R)
• M8: 5,083,934 km (0.092 R)
• M9: 5,642,981 km (0.087 R)
• M10: 6,885,092 km (0.075 R)
• M11: 7,313,092 km (0.072 R)
• M12: 9,508,291 km (0.106 R)
• M13: 10,686,225 km (0.114 R)
• M14: 11,807,311 km (0.111 R)
• M15: 12,474,817 km (0.03 R)
• M16: 14,687,818 km (0.108 R)
• M17: 16,135,028 km (0.112 R)
• M18: 16,637,976 km (0.116 R)
• M19: 19,381,900 km (0.114 R)
• M20: 21,345,821 km (0.097 R)
• M21: 21,952,440 km (0.116 R)
• M22: 23,760,480 km (0.077 R)
• M23: 24,412,129 km (0.048 R)
• M24: 27,404,086 km (0.108 R)
• M25: 29,967,595 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.2

Radius: 11.5

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.17 AU - 10.28 AU

Year: 8740 Days

Day: 6.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,198,450 km

• M1: 143,165 km (0.097 R)
• M2: 582,534 km (0.055 R)
• M3: 948,600 km (0.09 R)
• M4: 2,508,158 km (0.113 R)
• M5: 3,366,251 km (0.067 R)
• M6: 4,213,274 km (0.082 R)
• M7: 5,523,752 km (0.106 R)
• M8: 6,182,581 km (0.089 R)
• M9: 6,971,111 km (0.064 R)
• M10: 8,125,109 km (0.099 R)
• M11: 10,342,598 km (0.112 R)
• M12: 12,700,710 km (0.096 R)
• M13: 14,099,151 km (0.119 R)
• M14: 15,065,104 km (0.111 R)
• M15: 17,128,507 km (0.079 R)
• M16: 18,302,851 km (0.115 R)
• M17: 19,924,791 km (0.12 R)
• M18: 20,729,927 km (0.099 R)
• M19: 21,472,979 km (0.102 R)
• M20: 24,168,733 km (0.11 R)
• M21: 26,118,442 km (0.109 R)
• M22: 41,868,255 km (0.089 R)
• M23: 46,891,901 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.1

Radius: 10.3

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.85 AU - 8.65 AU

Year: 8788 Days

Day: 6.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,198,450 km

• M1: 128,953 km (0.102 R)
• M2: 759,808 km (0.076 R)
• M3: 1,240,914 km (0.057 R)
• M4: 2,986,123 km (0.112 R)
• M5: 8,327,365 km (0.108 R)
• M6: 9,245,298 km (0.111 R)
• M7: 10,137,051 km (0.049 R)
• M8: 10,603,946 km (0.105 R)
• M9: 11,631,234 km (0.056 R)
• M10: 13,157,282 km (0.081 R)
• M11: 16,925,204 km (0.114 R)
• M12: 19,373,074 km (0.114 R)
• M13: 20,239,096 km (0.097 R)
• M14: 24,374,579 km (0.102 R)
• M15: 34,271,825 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 13.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.88 AU - 13.34 AU

Year: 14671 Days

Day: 12.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,198,450 km

• M1: 173,085 km (0.108 R)
• M2: 727,046 km (0.088 R)
• M3: 1,321,548 km (0.102 R)
• M4: 1,987,707 km (0.042 R)
• M5: 2,464,176 km (0.1 R)
• M6: 3,194,214 km (0.083 R)
• M7: 4,034,505 km (0.085 R)
• M8: 5,416,191 km (0.079 R)
• M9: 6,074,122 km (0.053 R)
• M10: 7,365,302 km (0.095 R)
• M11: 7,834,141 km (0.108 R)
• M12: 8,728,886 km (0.118 R)
• M13: 13,480,713 km (0.074 R)
• M14: 14,692,007 km (0.101 R)
• M15: 16,287,019 km (0.07 R)
• M16: 17,743,654 km (0.11 R)
• M17: 19,819,025 km (0.077 R)
• M18: 20,545,472 km (0.103 R)
• M19: 23,228,660 km (0.079 R)
• M20: 23,832,736 km (0.115 R)
• M21: 37,125,404 km (0.115 R)
• M22: 43,320,252 km (0.116 R)
• M23: 50,171,535 km (0.116 R)
• M24: 68,826,988 km (0.04 R)

Planet 10 - Gas Giant

Semi-Major Axis: 11.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 8.9

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 9.4 AU - 14.5 AU

Year: 15320 Days

Day: 10.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,198,450 km

• M1: 110,702 km (0.082 R)
• M2: 415,732 km (0.097 R)
• M3: 808,576 km (0.115 R)
• M4: 1,227,301 km (0.101 R)
• M5: 1,609,374 km (0.043 R)
• M6: 2,281,667 km (0.116 R)
• M7: 3,437,460 km (0.069 R)
• M8: 6,934,310 km (0.109 R)
• M9: 9,512,031 km (0.11 R)
• M10: 10,724,821 km (0.045 R)
• M11: 14,552,881 km (0.119 R)
• M12: 15,268,856 km (0.116 R)
• M13: 15,783,922 km (0.116 R)
• M14: 17,478,267 km (0.07 R)
• M15: 20,066,909 km (0.096 R)
• M16: 20,863,817 km (0.11 R)
• M17: 22,710,303 km (0.062 R)
• M18: 25,783,642 km (0.103 R)
• M19: 26,303,943 km (0.107 R)
• M20: 27,258,228 km (0.074 R)
• M21: 29,801,841 km (0.056 R)
• M22: 30,838,703 km (0.072 R)
• M23: 42,421,767 km (0.104 R)
• M24: 48,142,988 km (0.087 R)
• M25: 49,090,990 km (0.115 R)
• M26: 51,844,488 km (0.082 R)
• M27: 55,213,732 km (0.072 R)
• M28: 55,731,490 km (0.108 R)
• M29: 56,078,407 km (0.104 R)
• M30: 60,903,687 km (0.046 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 11,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit