🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.74 AU - 0.8 AU

Year: 246 Days

Day: 28.4 Hours

Environment

Temp: 160 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.05 AU - 1.17 AU

Year: 425 Days

Day: 35.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 2.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,336,235 km

• M1: 266,733 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.26 AU - 1.42 AU

Year: 564 Days

Day: 43.8 Hours

Environment

Temp: 8 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.37 AU - 1.53 AU

Year: 635 Days

Day: 20.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,336,235 km

• M1: 505,790 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.03 AU - 2.43 AU

Year: 1210 Days

Day: 26.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,336,235 km

• M1: 636,689 km (0.103 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.61 AU - 3.97 AU

Year: 2169 Days

Day: 42.3 Hours

Environment

Temp: -104 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.4

Radius: 15

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.47 AU - 10.09 AU

Year: 11116 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 73,336,235 km

• M1: 187,895 km (0.099 R)
• M2: 288,574 km (0.111 R)
• M3: 524,490 km (0.101 R)
• M4: 630,705 km (0.119 R)
• M5: 870,360 km (0.117 R)
• M6: 1,089,072 km (0.053 R)
• M7: 1,384,528 km (0.117 R)
• M8: 1,482,365 km (0.119 R)
• M9: 2,351,828 km (0.088 R)
• M10: 2,494,694 km (0.113 R)
• M11: 2,714,304 km (0.1 R)
• M12: 3,017,539 km (0.098 R)
• M13: 3,520,337 km (0.079 R)
• M14: 3,712,421 km (0.039 R)
• M15: 4,280,444 km (0.12 R)
• M16: 5,561,750 km (0.093 R)
• M17: 6,178,392 km (0.101 R)
• M18: 6,277,875 km (0.083 R)
• M19: 7,161,848 km (0.091 R)
• M20: 7,725,234 km (0.095 R)
• M21: 7,832,496 km (0.058 R)
• M22: 8,193,775 km (0.12 R)
• M23: 10,119,847 km (0.115 R)
• M24: 10,473,945 km (0.071 R)
• M25: 10,632,669 km (0.12 R)
• M26: 10,992,601 km (0.11 R)
• M27: 12,138,072 km (0.112 R)
• M28: 12,304,874 km (0.065 R)
• M29: 12,556,497 km (0.112 R)
• M30: 13,926,963 km (0.036 R)
• M31: 14,941,237 km (0.109 R)
• M32: 15,209,765 km (0.033 R)
• M33: 15,797,086 km (0.11 R)
• M34: 16,345,961 km (0.116 R)
• M35: 16,576,491 km (0.074 R)
• M36: 16,854,444 km (0.108 R)
• M37: 17,040,693 km (0.06 R)
• M38: 17,509,384 km (0.073 R)
• M39: 17,839,845 km (0.092 R)
• M40: 18,029,685 km (0.026 R)
• M41: 19,182,785 km (0.064 R)
• M42: 19,670,175 km (0.101 R)
• M43: 20,508,372 km (0.095 R)
• M44: 22,270,485 km (0.04 R)
• M45: 22,782,858 km (0.111 R)
• M46: 22,988,854 km (0.062 R)
• M47: 23,092,077 km (0.085 R)
• M48: 23,558,673 km (0.116 R)
• M49: 23,923,691 km (0.085 R)
• M50: 24,080,769 km (0.112 R)
• M51: 24,343,314 km (0.07 R)
• M52: 24,606,755 km (0.087 R)
• M53: 26,099,443 km (0.112 R)
• M54: 26,965,465 km (0.097 R)
• M55: 28,116,621 km (0.062 R)
• M56: 28,393,077 km (0.112 R)
• M57: 28,614,782 km (0.119 R)
• M58: 28,837,234 km (0.083 R)
• M59: 29,957,722 km (0.076 R)
• M60: 30,070,668 km (0.106 R)
• M61: 30,750,590 km (0.04 R)
• M62: 31,378,453 km (0.062 R)
• M63: 32,415,016 km (0.106 R)
• M64: 33,053,949 km (0.099 R)
• M65: 34,049,523 km (0.103 R)
• M66: 34,876,948 km (0.114 R)
• M67: 37,641,667 km (0.083 R)
• M68: 38,681,222 km (0.083 R)
• M69: 39,050,430 km (0.099 R)
• M70: 39,297,117 km (0.04 R)
• M71: 39,606,335 km (0.059 R)
• M72: 40,227,167 km (0.028 R)
• M73: 41,227,079 km (0.062 R)
• M74: 41,478,254 km (0.091 R)
• M75: 41,604,065 km (0.111 R)
• M76: 41,919,268 km (0.1 R)
• M77: 42,045,529 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.6

Radius: 14

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.89 AU - 12.33 AU

Year: 11683 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,336,235 km

• M1: 208,240 km (0.11 R)
• M2: 314,305 km (0.059 R)
• M3: 622,327 km (0.12 R)
• M4: 815,308 km (0.1 R)
• M5: 1,106,127 km (0.1 R)
• M6: 1,357,152 km (0.053 R)
• M7: 1,752,240 km (0.09 R)
• M8: 2,463,727 km (0.075 R)
• M9: 2,634,867 km (0.095 R)
• M10: 2,769,356 km (0.12 R)
• M11: 2,975,502 km (0.118 R)
• M12: 3,258,242 km (0.12 R)
• M13: 3,388,541 km (0.117 R)
• M14: 3,744,285 km (0.094 R)
• M15: 4,492,424 km (0.072 R)
• M16: 4,784,888 km (0.054 R)
• M17: 5,218,572 km (0.114 R)
• M18: 5,578,205 km (0.107 R)
• M19: 6,285,654 km (0.045 R)
• M20: 6,742,226 km (0.114 R)
• M21: 6,983,977 km (0.062 R)
• M22: 7,266,567 km (0.037 R)
• M23: 7,438,006 km (0.067 R)
• M24: 7,823,520 km (0.083 R)
• M25: 8,058,089 km (0.096 R)
• M26: 9,513,976 km (0.069 R)
• M27: 9,618,096 km (0.111 R)
• M28: 10,250,895 km (0.105 R)
• M29: 10,421,885 km (0.102 R)
• M30: 10,680,241 km (0.072 R)
• M31: 11,049,897 km (0.067 R)
• M32: 12,501,894 km (0.113 R)
• M33: 12,684,703 km (0.087 R)
• M34: 13,215,476 km (0.045 R)
• M35: 13,706,307 km (0.111 R)
• M36: 14,108,126 km (0.09 R)
• M37: 16,399,367 km (0.111 R)
• M38: 16,649,944 km (0.041 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.4

Radius: 8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 15.33 AU - 22.01 AU

Year: 29319 Days

Day: 15.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 73,336,235 km

• M1: 558,598 km (0.063 R)
• M2: 641,924 km (0.093 R)
• M3: 893,847 km (0.114 R)
• M4: 1,122,433 km (0.117 R)
• M5: 3,336,182 km (0.094 R)
• M6: 5,692,349 km (0.081 R)
• M7: 5,879,795 km (0.116 R)
• M8: 6,454,400 km (0.069 R)
• M9: 7,197,752 km (0.115 R)
• M10: 8,230,576 km (0.042 R)
• M11: 8,549,369 km (0.081 R)
• M12: 8,764,191 km (0.117 R)
• M13: 9,696,934 km (0.087 R)
• M14: 12,435,622 km (0.119 R)
• M15: 13,418,929 km (0.082 R)
• M16: 14,554,826 km (0.112 R)
• M17: 15,459,444 km (0.079 R)
• M18: 16,783,236 km (0.035 R)
• M19: 17,119,831 km (0.091 R)
• M20: 17,322,835 km (0.109 R)
• M21: 17,594,804 km (0.054 R)
• M22: 18,349,824 km (0.037 R)
• M23: 20,534,253 km (0.097 R)
• M24: 21,183,806 km (0.096 R)
• M25: 21,766,789 km (0.119 R)
• M26: 23,022,963 km (0.029 R)
• M27: 24,454,614 km (0.092 R)
• M28: 25,992,630 km (0.092 R)
• M29: 27,561,613 km (0.062 R)
• M30: 28,117,967 km (0.105 R)
• M31: 28,357,623 km (0.094 R)
• M32: 28,517,692 km (0.087 R)
• M33: 29,728,089 km (0.066 R)
• M34: 32,784,523 km (0.094 R)
• M35: 32,952,521 km (0.046 R)
• M36: 33,373,939 km (0.101 R)
• M37: 33,627,507 km (0.117 R)
• M38: 33,881,823 km (0.116 R)
• M39: 34,991,391 km (0.11 R)
• M40: 36,286,160 km (0.101 R)
• M41: 37,684,601 km (0.112 R)
• M42: 40,263,818 km (0.086 R)
• M43: 41,166,492 km (0.086 R)
• M44: 42,167,002 km (0.111 R)
• M45: 46,531,071 km (0.096 R)
• M46: 47,573,020 km (0.113 R)
• M47: 47,858,603 km (0.068 R)
• M48: 48,527,006 km (0.106 R)
• M49: 50,356,738 km (0.03 R)
• M50: 52,995,494 km (0.039 R)
• M51: 53,192,814 km (0.079 R)
• M52: 54,381,369 km (0.085 R)
• M53: 57,492,257 km (0.112 R)
• M54: 60,454,295 km (0.104 R)
• M55: 60,970,108 km (0.088 R)
• M56: 61,280,225 km (0.087 R)
• M57: 63,256,412 km (0.086 R)
• M58: 64,304,944 km (0.095 R)
• M59: 64,936,845 km (0.078 R)
• M60: 66,100,567 km (0.119 R)
• M61: 68,986,310 km (0.094 R)
• M62: 71,150,094 km (0.094 R)
• M63: 71,367,759 km (0.104 R)
• M64: 72,349,719 km (0.083 R)
• M65: 72,459,225 km (0.084 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 11,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit