🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.49 AU - 0.51 AU

Year: 228 Days

Day: 35.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.46 AU - 0.66 AU

Year: 271 Days

Day: 27 Hours

Environment

Temp: -127 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.6

Radius: 13.4

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.67 AU - 1.01 AU

Year: 497 Days

Day: 9.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,798,484 km

• M1: 166,802 km (0.101 R)
• M2: 598,541 km (0.114 R)
• M3: 1,489,696 km (0.092 R)
• M4: 2,051,286 km (0.108 R)
• M5: 3,236,849 km (0.052 R)
• M6: 4,432,136 km (0.112 R)
• M7: 4,851,908 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.4

Radius: 12

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.18 AU - 1.28 AU

Year: 881 Days

Day: 5.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,798,484 km

• M1: 149,747 km (0.11 R)
• M2: 572,062 km (0.099 R)
• M3: 1,014,573 km (0.077 R)
• M4: 1,549,684 km (0.092 R)
• M5: 1,929,065 km (0.062 R)
• M6: 2,573,682 km (0.092 R)
• M7: 3,014,098 km (0.108 R)
• M8: 3,477,851 km (0.08 R)
• M9: 4,850,262 km (0.037 R)
• M10: 5,716,135 km (0.028 R)
• M11: 6,166,125 km (0.097 R)
• M12: 7,848,503 km (0.118 R)
• M13: 8,282,337 km (0.093 R)

Asteroid Belt

Center: 2.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.5

Radius: 13.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.68 AU - 3.18 AU

Year: 3238 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,798,484 km

• M1: 168,447 km (0.1 R)
• M2: 652,546 km (0.106 R)
• M3: 1,087,427 km (0.11 R)
• M4: 1,547,740 km (0.099 R)
• M5: 3,109,990 km (0.082 R)
• M6: 5,019,906 km (0.117 R)
• M7: 5,525,697 km (0.107 R)
• M8: 6,065,296 km (0.109 R)
• M9: 7,679,008 km (0.119 R)
• M10: 9,240,960 km (0.103 R)
• M11: 10,041,159 km (0.101 R)
• M12: 12,201,502 km (0.062 R)
• M13: 12,808,869 km (0.059 R)
• M14: 13,345,476 km (0.045 R)
• M15: 14,415,849 km (0.047 R)
• M16: 17,099,934 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656

Radius: 7.2

Gravity: 12.65 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.26 AU - 8.08 AU

Year: 12396 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,798,484 km

• M1: 93,798 km (0.068 R)
• M2: 493,075 km (0.046 R)
• M3: 760,556 km (0.092 R)
• M4: 992,133 km (0.064 R)
• M5: 1,271,731 km (0.079 R)
• M6: 2,154,359 km (0.114 R)
• M7: 3,868,601 km (0.115 R)
• M8: 4,093,596 km (0.116 R)
• M9: 4,951,091 km (0.08 R)
• M10: 6,771,847 km (0.114 R)
• M11: 9,047,230 km (0.091 R)
• M12: 9,648,614 km (0.098 R)
• M13: 10,820,115 km (0.073 R)
• M14: 11,268,759 km (0.107 R)
• M15: 11,497,644 km (0.09 R)
• M16: 14,092,718 km (0.076 R)
• M17: 14,627,680 km (0.113 R)
• M18: 15,176,255 km (0.118 R)
• M19: 16,755,560 km (0.088 R)
• M20: 18,126,774 km (0.103 R)
• M21: 19,736,447 km (0.114 R)
• M22: 26,219,570 km (0.119 R)
• M23: 26,621,988 km (0.11 R)
• M24: 27,130,920 km (0.114 R)
• M25: 31,212,997 km (0.092 R)
• M26: 35,196,639 km (0.091 R)
• M27: 40,972,762 km (0.086 R)
• M28: 42,752,079 km (0.1 R)
• M29: 43,169,757 km (0.072 R)
• M30: 51,320,447 km (0.117 R)
• M31: 53,225,426 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.7

Radius: 5.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.42 AU - 12.1 AU

Year: 21220 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,798,484 km

• M1: 72,106 km (0.108 R)
• M2: 304,880 km (0.112 R)
• M3: 586,124 km (0.115 R)
• M4: 952,340 km (0.091 R)
• M5: 1,153,100 km (0.048 R)
• M6: 2,911,623 km (0.119 R)
• M7: 4,211,180 km (0.053 R)
• M8: 6,281,615 km (0.104 R)
• M9: 6,613,572 km (0.098 R)
• M10: 7,192,666 km (0.101 R)
• M11: 7,974,015 km (0.09 R)
• M12: 8,993,824 km (0.114 R)
• M13: 10,917,353 km (0.071 R)
• M14: 11,835,735 km (0.111 R)
• M15: 12,863,023 km (0.095 R)
• M16: 15,756,246 km (0.092 R)
• M17: 17,787,486 km (0.101 R)
• M18: 20,704,645 km (0.079 R)
• M19: 21,855,202 km (0.03 R)
• M20: 22,361,142 km (0.092 R)
• M21: 24,372,934 km (0.101 R)
• M22: 26,123,528 km (0.084 R)
• M23: 31,233,343 km (0.117 R)
• M24: 32,090,987 km (0.113 R)
• M25: 37,329,007 km (0.117 R)
• M26: 42,064,079 km (0.052 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 15,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit