🌌 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: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.6 AU - 0.94 AU

Year: 255 Days

Day: 43.8 Hours

Environment

Temp: 162 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.95 AU - 1.37 AU

Year: 471 Days

Day: 35.7 Hours

Environment

Temp: 11 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 37,211,365 km

• M1: 27,227 km (0.084 R)
• M2: 346,768 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.99 AU - 1.61 AU

Year: 558 Days

Day: 32 Hours

Environment

Temp: -31 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,211,365 km

• M1: 568,622 km (0.037 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.61 AU - 1.85 AU

Year: 857 Days

Day: 38.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.93 AU - 3.23 AU

Year: 2036 Days

Day: 38.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,211,365 km

• M1: 1,523,804 km (0.078 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.04 AU - 3.92 AU

Year: 2446 Days

Day: 18.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,211,365 km

• M1: 1,101,340 km (0.058 R)

Asteroid Belt

Center: 4.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158

Radius: 8.5

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.1 AU - 5.26 AU

Year: 4441 Days

Day: 5.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 37,211,365 km

• M1: 107,262 km (0.096 R)
• M2: 246,836 km (0.117 R)
• M3: 387,608 km (0.097 R)
• M4: 542,143 km (0.097 R)
• M5: 595,848 km (0.086 R)
• M6: 866,321 km (0.1 R)
• M7: 1,054,366 km (0.091 R)
• M8: 1,123,480 km (0.098 R)
• M9: 1,235,230 km (0.104 R)
• M10: 1,340,098 km (0.12 R)
• M11: 1,437,037 km (0.11 R)
• M12: 1,514,230 km (0.074 R)
• M13: 1,932,804 km (0.097 R)
• M14: 2,491,702 km (0.094 R)
• M15: 2,598,515 km (0.077 R)
• M16: 2,693,210 km (0.062 R)
• M17: 2,816,778 km (0.095 R)
• M18: 3,242,085 km (0.106 R)
• M19: 3,418,012 km (0.046 R)
• M20: 3,521,983 km (0.119 R)
• M21: 3,627,150 km (0.044 R)
• M22: 3,718,105 km (0.063 R)
• M23: 3,840,477 km (0.085 R)
• M24: 4,184,103 km (0.091 R)
• M25: 5,018,560 km (0.106 R)
• M26: 5,154,095 km (0.108 R)
• M27: 5,256,570 km (0.112 R)
• M28: 5,480,817 km (0.083 R)
• M29: 5,550,530 km (0.107 R)
• M30: 5,708,356 km (0.119 R)
• M31: 6,118,403 km (0.079 R)
• M32: 6,336,068 km (0.085 R)
• M33: 6,390,971 km (0.102 R)
• M34: 6,501,075 km (0.102 R)
• M35: 6,741,927 km (0.101 R)
• M36: 6,835,426 km (0.064 R)
• M37: 6,929,224 km (0.072 R)
• M38: 7,042,469 km (0.111 R)
• M39: 7,099,317 km (0.106 R)
• M40: 7,404,945 km (0.087 R)
• M41: 7,501,436 km (0.096 R)
• M42: 8,168,193 km (0.089 R)
• M43: 8,327,814 km (0.119 R)
• M44: 8,387,953 km (0.063 R)
• M45: 8,630,002 km (0.103 R)
• M46: 9,017,909 km (0.073 R)
• M47: 9,432,295 km (0.065 R)
• M48: 9,599,845 km (0.057 R)
• M49: 9,874,207 km (0.098 R)
• M50: 10,108,478 km (0.08 R)
• M51: 10,625,787 km (0.087 R)
• M52: 11,019,379 km (0.111 R)
• M53: 11,262,326 km (0.102 R)
• M54: 11,440,048 km (0.115 R)
• M55: 11,686,137 km (0.101 R)
• M56: 11,843,514 km (0.078 R)
• M57: 11,933,871 km (0.063 R)
• M58: 12,664,357 km (0.118 R)
• M59: 12,733,621 km (0.1 R)
• M60: 13,035,210 km (0.082 R)
• M61: 13,953,741 km (0.102 R)
• M62: 14,120,842 km (0.102 R)
• M63: 14,601,799 km (0.096 R)
• M64: 14,747,208 km (0.108 R)
• M65: 14,990,455 km (0.085 R)
• M66: 15,308,799 km (0.043 R)
• M67: 15,703,737 km (0.101 R)
• M68: 15,802,921 km (0.107 R)
• M69: 16,151,933 km (0.088 R)
• M70: 16,252,163 km (0.085 R)
• M71: 16,327,411 km (0.076 R)
• M72: 16,453,223 km (0.093 R)
• M73: 16,730,876 km (0.068 R)
• M74: 16,883,017 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.1

Radius: 14.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.68 AU - 12.7 AU

Year: 12254 Days

Day: 11.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 37,211,365 km

• M1: 333,304 km (0.071 R)
• M2: 543,190 km (0.082 R)
• M3: 701,464 km (0.063 R)
• M4: 1,030,281 km (0.061 R)
• M5: 1,320,500 km (0.103 R)
• M6: 1,521,410 km (0.079 R)
• M7: 1,757,027 km (0.093 R)
• M8: 3,442,696 km (0.078 R)
• M9: 3,755,655 km (0.08 R)
• M10: 3,980,201 km (0.12 R)
• M11: 4,077,888 km (0.119 R)
• M12: 4,176,473 km (0.108 R)
• M13: 5,169,504 km (0.03 R)
• M14: 5,456,134 km (0.116 R)
• M15: 5,970,451 km (0.099 R)
• M16: 7,484,381 km (0.079 R)
• M17: 7,891,138 km (0.104 R)
• M18: 8,014,556 km (0.101 R)
• M19: 8,599,035 km (0.112 R)
• M20: 8,853,800 km (0.118 R)
• M21: 8,982,155 km (0.115 R)
• M22: 9,154,343 km (0.1 R)
• M23: 10,344,543 km (0.084 R)
• M24: 11,211,164 km (0.092 R)
• M25: 12,291,559 km (0.05 R)
• M26: 12,482,746 km (0.101 R)
• M27: 12,868,409 km (0.106 R)
• M28: 13,503,302 km (0.078 R)
• M29: 14,803,756 km (0.089 R)
• M30: 15,779,284 km (0.11 R)
• M31: 16,039,435 km (0.029 R)
• M32: 16,196,213 km (0.093 R)
• M33: 16,564,075 km (0.12 R)
• M34: 17,041,142 km (0.114 R)
• M35: 19,160,196 km (0.099 R)
• M36: 19,772,799 km (0.098 R)
• M37: 19,940,947 km (0.101 R)
• M38: 21,074,600 km (0.034 R)
• M39: 21,303,784 km (0.104 R)
• M40: 21,418,675 km (0.108 R)
• M41: 22,696,540 km (0.108 R)
• M42: 22,813,825 km (0.099 R)
• M43: 23,108,233 km (0.074 R)
• M44: 24,178,457 km (0.101 R)
• M45: 25,875,196 km (0.078 R)
• M46: 25,997,866 km (0.09 R)
• M47: 26,243,805 km (0.054 R)
• M48: 26,861,943 km (0.069 R)
• M49: 27,359,955 km (0.104 R)
• M50: 27,672,764 km (0.116 R)
• M51: 27,860,958 km (0.044 R)
• M52: 29,574,452 km (0.065 R)
• M53: 30,024,293 km (0.103 R)
• M54: 31,518,027 km (0.069 R)
• M55: 31,977,592 km (0.066 R)
• M56: 32,175,061 km (0.068 R)
• M57: 33,904,562 km (0.083 R)
• M58: 34,442,666 km (0.038 R)
• M59: 34,780,607 km (0.098 R)
• M60: 34,983,761 km (0.037 R)
• M61: 35,323,348 km (0.064 R)
• M62: 36,348,692 km (0.089 R)
• M63: 36,692,618 km (0.059 R)
• M64: 37,245,232 km (0.082 R)
• M65: 38,708,748 km (0.103 R)
• M66: 39,341,846 km (0.11 R)
• M67: 39,482,917 km (0.079 R)
• M68: 40,760,782 km (0.065 R)
• M69: 41,404,651 km (0.105 R)
• M70: 41,980,005 km (0.097 R)
• M71: 42,196,473 km (0.056 R)
• M72: 42,340,835 km (0.096 R)
• M73: 42,485,496 km (0.099 R)
• M74: 43,065,786 km (0.029 R)
• M75: 43,211,195 km (0.097 R)
• M76: 44,160,843 km (0.114 R)
• M77: 44,895,817 km (0.1 R)
• M78: 46,154,833 km (0.089 R)
• M79: 46,900,877 km (0.077 R)
• M80: 47,876,555 km (0.119 R)
• M81: 49,543,075 km (0.056 R)
• M82: 50,306,922 km (0.085 R)
• M83: 50,460,110 km (0.071 R)
• M84: 50,613,448 km (0.103 R)
• M85: 51,074,508 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.2

Radius: 7.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 12.69 AU - 17.57 AU

Year: 22171 Days

Day: 22 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 37,211,365 km

• M1: 359,932 km (0.085 R)
• M2: 574,456 km (0.097 R)
• M3: 1,199,775 km (0.105 R)
• M4: 1,287,140 km (0.106 R)
• M5: 1,543,252 km (0.099 R)
• M6: 1,755,830 km (0.078 R)
• M7: 1,835,416 km (0.105 R)
• M8: 2,081,804 km (0.036 R)
• M9: 2,230,504 km (0.061 R)
• M10: 2,382,645 km (0.059 R)
• M11: 2,605,995 km (0.116 R)
• M12: 2,836,226 km (0.059 R)
• M13: 3,049,104 km (0.074 R)
• M14: 4,136,531 km (0.104 R)
• M15: 4,270,122 km (0.074 R)
• M16: 4,569,168 km (0.114 R)
• M17: 4,875,095 km (0.108 R)
• M18: 4,988,042 km (0.05 R)
• M19: 5,832,223 km (0.089 R)
• M20: 6,532,939 km (0.085 R)
• M21: 6,845,898 km (0.059 R)
• M22: 7,067,901 km (0.112 R)
• M23: 7,813,946 km (0.073 R)
• M24: 7,880,068 km (0.04 R)
• M25: 8,045,972 km (0.089 R)
• M26: 8,449,138 km (0.092 R)
• M27: 11,599,968 km (0.108 R)
• M28: 11,750,913 km (0.102 R)
• M29: 11,978,750 km (0.087 R)
• M30: 12,055,045 km (0.048 R)
• M31: 12,246,381 km (0.112 R)
• M32: 12,554,553 km (0.111 R)
• M33: 13,218,169 km (0.064 R)
• M34: 13,653,498 km (0.11 R)
• M35: 14,214,490 km (0.067 R)
• M36: 15,691,321 km (0.077 R)
• M37: 18,127,522 km (0.088 R)
• M38: 18,302,851 km (0.097 R)
• M39: 18,478,778 km (0.112 R)
• M40: 18,611,172 km (0.11 R)
• M41: 19,546,009 km (0.119 R)
• M42: 20,587,509 km (0.106 R)
• M43: 21,507,686 km (0.081 R)
• M44: 21,879,586 km (0.104 R)
• M45: 22,582,547 km (0.107 R)
• M46: 22,960,431 km (0.115 R)
• M47: 23,770,354 km (0.11 R)
• M48: 24,058,479 km (0.103 R)
• M49: 24,396,122 km (0.096 R)
• M50: 25,076,044 km (0.075 R)
• M51: 26,603,737 km (0.063 R)
• M52: 26,902,933 km (0.069 R)
• M53: 27,052,830 km (0.045 R)
• M54: 27,203,176 km (0.071 R)
• M55: 27,908,081 km (0.041 R)
• M56: 28,823,321 km (0.03 R)
• M57: 34,897,742 km (0.09 R)
• M58: 34,952,346 km (0.083 R)
• M59: 35,061,403 km (0.12 R)
• M60: 35,828,241 km (0.068 R)
• M61: 36,711,467 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 15,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit