🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.87 AU - 0.95 AU

Year: 319 Days

Day: 12.2 Hours

Environment

Temp: 148 °C

Axial Tilt: 49.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 60,724,663 km

• M1: 43,832 km (0.084 R)
• M2: 388,954 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.84 AU - 1.16 AU

Year: 367 Days

Day: 37.8 Hours

Environment

Temp: 21 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.96 AU - 2.38 AU

Year: 1173 Days

Day: 25.4 Hours

Environment

Temp: -82 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.22 AU - 3.22 AU

Year: 1647 Days

Day: 34.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.01 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.89 AU - 3.71 AU

Year: 2201 Days

Day: 43.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.6

Radius: 14.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.32 AU - 6.24 AU

Year: 4454 Days

Day: 7.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,724,663 km

• M1: 178,321 km (0.079 R)
• M2: 693,087 km (0.109 R)
• M3: 1,186,610 km (0.085 R)
• M4: 1,759,271 km (0.068 R)
• M5: 2,531,495 km (0.094 R)
• M6: 3,116,124 km (0.101 R)
• M7: 3,685,344 km (0.114 R)
• M8: 4,706,798 km (0.118 R)
• M9: 5,996,481 km (0.077 R)
• M10: 10,240,872 km (0.077 R)
• M11: 10,927,676 km (0.108 R)
• M12: 11,599,370 km (0.089 R)
• M13: 12,203,745 km (0.106 R)
• M14: 12,927,051 km (0.097 R)
• M15: 13,832,567 km (0.078 R)
• M16: 14,565,746 km (0.093 R)
• M17: 15,490,710 km (0.073 R)
• M18: 16,804,329 km (0.105 R)
• M19: 17,761,007 km (0.094 R)
• M20: 19,392,671 km (0.065 R)
• M21: 20,445,391 km (0.071 R)
• M22: 22,449,853 km (0.045 R)
• M23: 23,463,229 km (0.042 R)
• M24: 27,170,115 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119

Radius: 11.4

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.76 AU - 6.58 AU

Year: 4956 Days

Day: 9.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,724,663 km

• M1: 146,606 km (0.067 R)
• M2: 749,485 km (0.11 R)
• M3: 1,944,324 km (0.054 R)
• M4: 2,423,486 km (0.089 R)
• M5: 3,348,898 km (0.117 R)
• M6: 4,960,067 km (0.063 R)
• M7: 6,871,928 km (0.058 R)
• M8: 7,232,758 km (0.104 R)
• M9: 7,993,014 km (0.09 R)
• M10: 11,421,349 km (0.052 R)
• M11: 13,286,535 km (0.115 R)
• M12: 15,346,647 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.4

Radius: 9.1

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.51 AU - 9.33 AU

Year: 8182 Days

Day: 9.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,724,663 km

• M1: 114,442 km (0.073 R)
• M2: 554,709 km (0.041 R)
• M3: 940,223 km (0.088 R)
• M4: 2,063,852 km (0.084 R)
• M5: 3,645,850 km (0.079 R)
• M6: 4,384,115 km (0.082 R)
• M7: 4,867,765 km (0.064 R)
• M8: 5,274,223 km (0.052 R)
• M9: 5,941,579 km (0.118 R)
• M10: 6,311,534 km (0.054 R)
• M11: 7,269,559 km (0.092 R)
• M12: 8,667,701 km (0.103 R)
• M13: 8,983,502 km (0.074 R)
• M14: 10,106,683 km (0.066 R)
• M15: 13,662,026 km (0.104 R)
• M16: 15,602,759 km (0.084 R)
• M17: 16,130,091 km (0.114 R)
• M18: 18,165,969 km (0.106 R)
• M19: 21,857,446 km (0.118 R)
• M20: 22,740,821 km (0.119 R)
• M21: 23,495,094 km (0.091 R)
• M22: 23,955,556 km (0.114 R)
• M23: 25,614,596 km (0.065 R)
• M24: 27,096,662 km (0.082 R)
• M25: 28,029,854 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.6

Radius: 11.1

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 9.03 AU - 12.17 AU

Year: 12669 Days

Day: 7.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,724,663 km

• M1: 138,528 km (0.068 R)
• M2: 490,232 km (0.108 R)
• M3: 1,180,028 km (0.109 R)
• M4: 1,557,763 km (0.077 R)
• M5: 2,034,681 km (0.063 R)
• M6: 3,001,831 km (0.117 R)
• M7: 3,667,990 km (0.115 R)
• M8: 5,093,359 km (0.117 R)
• M9: 6,657,704 km (0.078 R)
• M10: 7,969,228 km (0.089 R)
• M11: 8,567,919 km (0.108 R)
• M12: 9,345,529 km (0.094 R)
• M13: 13,375,097 km (0.085 R)
• M14: 14,488,554 km (0.052 R)
• M15: 19,238,585 km (0.066 R)
• M16: 19,813,939 km (0.1 R)
• M17: 22,682,777 km (0.116 R)
• M18: 23,791,297 km (0.083 R)
• M19: 27,231,001 km (0.063 R)
• M20: 29,015,554 km (0.105 R)
• M21: 33,520,096 km (0.056 R)
• M22: 36,186,229 km (0.107 R)
• M23: 37,443,599 km (0.108 R)
• M24: 37,954,625 km (0.119 R)
• M25: 39,252,686 km (0.096 R)
• M26: 43,323,992 km (0.045 R)
• M27: 43,746,008 km (0.102 R)
• M28: 47,221,465 km (0.09 R)
• M29: 47,668,464 km (0.104 R)
• M30: 48,570,838 km (0.1 R)
• M31: 51,346,627 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.1

Radius: 7.6

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 13.89 AU - 16.87 AU

Year: 22142 Days

Day: 16.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,724,663 km

• M1: 94,995 km (0.046 R)
• M2: 342,878 km (0.118 R)
• M3: 632,350 km (0.076 R)
• M4: 1,019,360 km (0.114 R)
• M5: 1,425,518 km (0.058 R)
• M6: 1,971,550 km (0.112 R)
• M7: 2,273,439 km (0.071 R)
• M8: 2,946,928 km (0.104 R)
• M9: 4,152,089 km (0.066 R)
• M10: 4,814,807 km (0.046 R)
• M11: 6,034,629 km (0.093 R)
• M12: 8,521,544 km (0.116 R)
• M13: 11,263,822 km (0.115 R)
• M14: 11,802,225 km (0.111 R)
• M15: 17,924,667 km (0.082 R)
• M16: 19,074,626 km (0.114 R)
• M17: 29,088,558 km (0.107 R)
• M18: 31,370,524 km (0.047 R)
• M19: 33,158,518 km (0.072 R)
• M20: 35,519,322 km (0.098 R)
• M21: 40,991,163 km (0.109 R)
• M22: 45,482,989 km (0.097 R)
• M23: 59,102,379 km (0.092 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: 434 - 20,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit