🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.84 AU - 0.84 AU

Year: 286 Days

Day: 44.3 Hours

Environment

Temp: 78 °C

Axial Tilt: 27 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.9 AU - 2.38 AU

Year: 1161 Days

Day: 37.3 Hours

Environment

Temp: -82 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.6 AU - 2.64 AU

Year: 1573 Days

Day: 44 Hours

Environment

Temp: -88 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,039,026 km

• M1: 674,537 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.26 AU - 5 AU

Year: 3113 Days

Day: 17.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,039,026 km

• M1: 1,721,722 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.39 AU - 4.97 AU

Year: 3169 Days

Day: 33.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534

Radius: 13.5

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.59 AU - 7.09 AU

Year: 6634 Days

Day: 6.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 28,039,026 km

• M1: 191,784 km (0.1 R)
• M2: 386,561 km (0.107 R)
• M3: 476,020 km (0.051 R)
• M4: 586,872 km (0.086 R)
• M5: 759,957 km (0.119 R)
• M6: 923,318 km (0.12 R)
• M7: 1,069,326 km (0.072 R)
• M8: 1,192,145 km (0.075 R)
• M9: 1,879,548 km (0.082 R)
• M10: 2,225,119 km (0.107 R)
• M11: 2,717,745 km (0.114 R)
• M12: 2,998,839 km (0.084 R)
• M13: 3,266,918 km (0.109 R)
• M14: 3,683,997 km (0.102 R)
• M15: 3,826,863 km (0.076 R)
• M16: 4,316,497 km (0.111 R)
• M17: 4,645,463 km (0.101 R)
• M18: 4,826,177 km (0.115 R)
• M19: 4,930,447 km (0.111 R)
• M20: 5,061,943 km (0.119 R)
• M21: 5,221,265 km (0.066 R)
• M22: 5,355,155 km (0.11 R)
• M23: 5,709,104 km (0.1 R)
• M24: 6,728,912 km (0.107 R)
• M25: 7,051,744 km (0.04 R)
• M26: 7,170,525 km (0.091 R)
• M27: 8,143,958 km (0.096 R)
• M28: 8,519,748 km (0.088 R)
• M29: 9,549,580 km (0.074 R)
• M30: 9,648,165 km (0.086 R)
• M31: 10,012,585 km (0.098 R)
• M32: 10,415,303 km (0.073 R)
• M33: 10,618,606 km (0.111 R)
• M34: 11,236,745 km (0.115 R)
• M35: 11,445,284 km (0.093 R)
• M36: 11,831,097 km (0.046 R)
• M37: 12,364,264 km (0.067 R)
• M38: 12,832,655 km (0.054 R)
• M39: 14,159,887 km (0.082 R)
• M40: 15,222,331 km (0.056 R)
• M41: 15,337,671 km (0.118 R)
• M42: 15,763,128 km (0.112 R)
• M43: 16,035,994 km (0.094 R)
• M44: 17,343,031 km (0.076 R)
• M45: 17,503,848 km (0.108 R)
• M46: 17,705,506 km (0.046 R)
• M47: 18,192,597 km (0.099 R)
• M48: 18,355,958 km (0.038 R)
• M49: 19,596,723 km (0.088 R)
• M50: 20,058,531 km (0.119 R)
• M51: 20,142,755 km (0.066 R)
• M52: 20,608,752 km (0.033 R)
• M53: 20,949,985 km (0.117 R)
• M54: 21,897,837 km (0.111 R)
• M55: 22,071,670 km (0.077 R)
• M56: 22,158,736 km (0.111 R)
• M57: 22,508,196 km (0.084 R)
• M58: 22,683,675 km (0.116 R)
• M59: 23,257,083 km (0.109 R)
• M60: 23,790,549 km (0.095 R)
• M61: 24,058,778 km (0.075 R)
• M62: 24,914,927 km (0.083 R)
• M63: 25,689,395 km (0.041 R)
• M64: 27,449,115 km (0.048 R)
• M65: 28,770,662 km (0.105 R)
• M66: 29,343,323 km (0.071 R)
• M67: 29,535,108 km (0.056 R)
• M68: 30,257,815 km (0.119 R)
• M69: 30,354,605 km (0.096 R)
• M70: 30,742,811 km (0.109 R)
• M71: 31,377,256 km (0.109 R)
• M72: 31,524,310 km (0.103 R)
• M73: 33,106,757 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.3

Radius: 10

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.07 AU - 10.95 AU

Year: 10030 Days

Day: 6.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 28,039,026 km

• M1: 137,331 km (0.118 R)
• M2: 262,245 km (0.044 R)
• M3: 474,674 km (0.097 R)
• M4: 709,244 km (0.117 R)
• M5: 1,074,113 km (0.063 R)
• M6: 1,184,666 km (0.114 R)
• M7: 1,328,579 km (0.116 R)
• M8: 1,618,051 km (0.096 R)
• M9: 2,203,128 km (0.112 R)
• M10: 2,639,804 km (0.109 R)
• M11: 2,753,349 km (0.1 R)
• M12: 3,385,998 km (0.106 R)
• M13: 3,468,127 km (0.047 R)
• M14: 3,592,742 km (0.062 R)
• M15: 4,128,004 km (0.1 R)
• M16: 4,483,747 km (0.108 R)
• M17: 4,895,890 km (0.082 R)
• M18: 5,083,036 km (0.11 R)
• M19: 5,585,386 km (0.118 R)
• M20: 6,179,140 km (0.102 R)
• M21: 6,818,821 km (0.112 R)
• M22: 6,896,911 km (0.114 R)
• M23: 7,159,754 km (0.116 R)
• M24: 7,885,902 km (0.118 R)
• M25: 8,243,890 km (0.117 R)
• M26: 8,355,041 km (0.066 R)
• M27: 9,176,333 km (0.119 R)
• M28: 9,407,462 km (0.104 R)
• M29: 9,494,678 km (0.067 R)
• M30: 9,757,820 km (0.093 R)
• M31: 10,023,357 km (0.12 R)
• M32: 11,324,708 km (0.085 R)
• M33: 11,572,592 km (0.116 R)
• M34: 12,263,884 km (0.079 R)
• M35: 13,358,192 km (0.068 R)
• M36: 13,489,090 km (0.099 R)
• M37: 14,116,205 km (0.093 R)
• M38: 14,752,893 km (0.087 R)
• M39: 15,091,882 km (0.114 R)
• M40: 16,824,525 km (0.043 R)
• M41: 17,894,000 km (0.093 R)
• M42: 18,110,617 km (0.117 R)
• M43: 18,327,983 km (0.097 R)
• M44: 18,582,748 km (0.087 R)
• M45: 20,323,619 km (0.12 R)
• M46: 21,461,759 km (0.088 R)
• M47: 22,038,609 km (0.119 R)
• M48: 22,193,293 km (0.032 R)
• M49: 22,933,054 km (0.115 R)
• M50: 24,556,640 km (0.07 R)
• M51: 25,159,968 km (0.12 R)
• M52: 25,971,836 km (0.056 R)
• M53: 26,094,357 km (0.063 R)
• M54: 27,164,281 km (0.058 R)
• M55: 27,746,366 km (0.099 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: 457 - 14,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit