🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.58 AU - 0.64 AU

Year: 167 Days

Day: 15.7 Hours

Environment

Temp: 192 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.77 AU - 1.27 AU

Year: 360 Days

Day: 19.7 Hours

Environment

Temp: 156 °C

Axial Tilt: 25.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,556,063 km

• M1: 634,594 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.22 AU - 1.82 AU

Year: 656 Days

Day: 39 Hours

Environment

Temp: -14 °C

Axial Tilt: 126.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,556,063 km

• M1: 526,285 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.41 AU - 1.89 AU

Year: 741 Days

Day: 39.7 Hours

Environment

Temp: -35 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.62 AU - 1.78 AU

Year: 775 Days

Day: 28.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,556,063 km

• M1: 640,578 km (0.096 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.41 AU - 4.09 AU

Year: 2541 Days

Day: 14.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.2

Radius: 10

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.72 AU - 7.82 AU

Year: 7577 Days

Day: 10.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 40,556,063 km

• M1: 145,110 km (0.113 R)
• M2: 250,427 km (0.094 R)
• M3: 379,380 km (0.06 R)
• M4: 507,885 km (0.093 R)
• M5: 607,667 km (0.085 R)
• M6: 1,132,456 km (0.116 R)
• M7: 1,662,032 km (0.113 R)
• M8: 1,771,987 km (0.074 R)
• M9: 1,884,634 km (0.113 R)
• M10: 1,999,675 km (0.106 R)
• M11: 2,433,359 km (0.118 R)
• M12: 2,712,658 km (0.03 R)
• M13: 3,498,496 km (0.06 R)
• M14: 3,698,359 km (0.076 R)
• M15: 4,139,373 km (0.055 R)
• M16: 4,350,904 km (0.037 R)
• M17: 4,721,907 km (0.078 R)
• M18: 5,006,891 km (0.117 R)
• M19: 5,135,396 km (0.055 R)
• M20: 5,626,974 km (0.117 R)
• M21: 5,929,162 km (0.044 R)
• M22: 6,099,404 km (0.079 R)
• M23: 6,690,316 km (0.059 R)
• M24: 6,938,948 km (0.102 R)
• M25: 7,481,988 km (0.102 R)
• M26: 7,555,440 km (0.095 R)
• M27: 7,703,094 km (0.083 R)
• M28: 7,851,644 km (0.098 R)
• M29: 8,076,340 km (0.116 R)
• M30: 9,389,361 km (0.084 R)
• M31: 9,508,441 km (0.079 R)
• M32: 9,908,914 km (0.104 R)
• M33: 10,151,861 km (0.047 R)
• M34: 10,314,773 km (0.112 R)
• M35: 10,809,194 km (0.076 R)
• M36: 11,395,767 km (0.047 R)
• M37: 11,480,440 km (0.051 R)
• M38: 11,565,262 km (0.085 R)
• M39: 12,208,233 km (0.106 R)
• M40: 12,468,833 km (0.064 R)
• M41: 13,128,111 km (0.043 R)
• M42: 13,305,833 km (0.059 R)
• M43: 13,663,671 km (0.083 R)
• M44: 14,251,890 km (0.097 R)
• M45: 14,848,486 km (0.12 R)
• M46: 15,173,114 km (0.115 R)
• M47: 15,593,932 km (0.041 R)
• M48: 15,782,127 km (0.109 R)
• M49: 16,161,058 km (0.109 R)
• M50: 17,121,177 km (0.085 R)
• M51: 17,951,744 km (0.119 R)
• M52: 18,297,615 km (0.049 R)
• M53: 18,496,131 km (0.086 R)
• M54: 18,645,579 km (0.071 R)
• M55: 19,196,997 km (0.084 R)
• M56: 19,702,788 km (0.059 R)
• M57: 19,957,403 km (0.042 R)
• M58: 21,717,422 km (0.072 R)
• M59: 22,244,605 km (0.056 R)
• M60: 22,350,520 km (0.094 R)
• M61: 23,418,948 km (0.116 R)
• M62: 23,526,659 km (0.033 R)
• M63: 23,959,445 km (0.098 R)
• M64: 25,883,274 km (0.047 R)
• M65: 26,835,464 km (0.092 R)
• M66: 27,742,177 km (0.073 R)
• M67: 29,411,091 km (0.047 R)
• M68: 29,702,059 km (0.119 R)
• M69: 30,111,059 km (0.101 R)
• M70: 30,286,987 km (0.084 R)
• M71: 30,875,654 km (0.114 R)
• M72: 30,993,836 km (0.103 R)
• M73: 31,408,821 km (0.115 R)
• M74: 32,064,508 km (0.091 R)
• M75: 32,244,026 km (0.095 R)
• M76: 33,268,173 km (0.106 R)
• M77: 36,092,281 km (0.117 R)
• M78: 36,216,897 km (0.071 R)
• M79: 37,281,136 km (0.092 R)
• M80: 37,785,580 km (0.062 R)
• M81: 37,975,270 km (0.103 R)
• M82: 38,355,697 km (0.093 R)
• M83: 38,419,127 km (0.091 R)
• M84: 38,992,535 km (0.098 R)
• M85: 39,889,973 km (0.106 R)
• M86: 41,444,145 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510

Radius: 14

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.27 AU - 9.17 AU

Year: 8245 Days

Day: 8.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 40,556,063 km

• M1: 212,130 km (0.098 R)
• M2: 775,366 km (0.098 R)
• M3: 908,657 km (0.12 R)
• M4: 1,034,469 km (0.065 R)
• M5: 1,200,822 km (0.106 R)
• M6: 1,449,454 km (0.109 R)
• M7: 1,956,441 km (0.114 R)
• M8: 2,166,028 km (0.09 R)
• M9: 2,273,588 km (0.116 R)
• M10: 2,383,094 km (0.103 R)
• M11: 3,298,483 km (0.11 R)
• M12: 3,448,381 km (0.101 R)
• M13: 3,626,252 km (0.083 R)
• M14: 3,912,134 km (0.12 R)
• M15: 4,124,563 km (0.117 R)
• M16: 4,728,938 km (0.089 R)
• M17: 5,390,759 km (0.03 R)
• M18: 5,929,012 km (0.076 R)
• M19: 6,642,145 km (0.097 R)
• M20: 6,832,733 km (0.111 R)
• M21: 7,219,294 km (0.112 R)
• M22: 7,349,743 km (0.109 R)
• M23: 7,745,879 km (0.113 R)
• M24: 7,845,960 km (0.067 R)
• M25: 8,490,278 km (0.063 R)
• M26: 8,628,207 km (0.074 R)
• M27: 8,836,297 km (0.071 R)
• M28: 8,941,016 km (0.091 R)
• M29: 9,116,494 km (0.119 R)
• M30: 9,399,683 km (0.086 R)
• M31: 10,156,648 km (0.077 R)
• M32: 10,266,453 km (0.104 R)
• M33: 10,487,110 km (0.045 R)
• M34: 11,045,858 km (0.115 R)
• M35: 12,114,735 km (0.085 R)
• M36: 12,543,781 km (0.065 R)
• M37: 13,456,927 km (0.102 R)
• M38: 13,860,542 km (0.082 R)
• M39: 14,350,325 km (0.11 R)
• M40: 14,887,382 km (0.112 R)
• M41: 15,095,622 km (0.094 R)
• M42: 15,557,281 km (0.119 R)
• M43: 15,853,485 km (0.087 R)
• M44: 16,023,727 km (0.058 R)
• M45: 16,279,988 km (0.071 R)
• M46: 17,406,460 km (0.042 R)
• M47: 17,979,121 km (0.111 R)
• M48: 18,692,404 km (0.098 R)
• M49: 19,825,607 km (0.075 R)
• M50: 20,008,865 km (0.069 R)
• M51: 20,655,128 km (0.082 R)
• M52: 20,794,553 km (0.056 R)
• M53: 21,214,624 km (0.08 R)
• M54: 23,598,765 km (0.061 R)
• M55: 23,890,630 km (0.066 R)
• M56: 24,330,448 km (0.077 R)
• M57: 24,576,088 km (0.07 R)
• M58: 24,773,108 km (0.054 R)
• M59: 26,418,834 km (0.086 R)
• M60: 26,823,197 km (0.12 R)
• M61: 27,076,915 km (0.097 R)
• M62: 28,048,254 km (0.098 R)
• M63: 28,667,739 km (0.114 R)
• M64: 30,025,190 km (0.091 R)
• M65: 30,924,124 km (0.101 R)
• M66: 31,190,258 km (0.065 R)
• M67: 31,831,884 km (0.115 R)
• M68: 32,477,997 km (0.091 R)
• M69: 32,856,779 km (0.106 R)
• M70: 33,019,691 km (0.095 R)
• M71: 33,509,773 km (0.109 R)
• M72: 34,331,963 km (0.112 R)
• M73: 34,497,119 km (0.075 R)
• M74: 37,516,453 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.9

Radius: 9.2

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 10.53 AU - 12.47 AU

Year: 13643 Days

Day: 10.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 40,556,063 km

• M1: 138,079 km (0.096 R)
• M2: 237,412 km (0.09 R)
• M3: 513,420 km (0.084 R)
• M4: 580,141 km (0.049 R)
• M5: 679,324 km (0.112 R)
• M6: 815,757 km (0.098 R)
• M7: 1,064,090 km (0.117 R)
• M8: 1,224,608 km (0.089 R)
• M9: 1,355,058 km (0.067 R)
• M10: 1,650,663 km (0.102 R)
• M11: 2,210,159 km (0.101 R)
• M12: 2,393,716 km (0.09 R)
• M13: 2,849,690 km (0.081 R)
• M14: 3,024,420 km (0.105 R)
• M15: 3,332,442 km (0.119 R)
• M16: 3,543,375 km (0.097 R)
• M17: 4,034,056 km (0.026 R)
• M18: 4,546,279 km (0.084 R)
• M19: 4,692,137 km (0.105 R)
• M20: 4,810,020 km (0.116 R)
• M21: 4,899,181 km (0.056 R)
• M22: 5,018,709 km (0.112 R)
• M23: 5,445,063 km (0.111 R)
• M24: 5,851,371 km (0.071 R)
• M25: 6,010,244 km (0.103 R)
• M26: 6,170,613 km (0.098 R)
• M27: 6,235,239 km (0.107 R)
• M28: 6,430,165 km (0.059 R)
• M29: 6,693,308 km (0.078 R)
• M30: 6,792,940 km (0.072 R)
• M31: 7,400,906 km (0.063 R)
• M32: 8,202,900 km (0.031 R)
• M33: 8,596,342 km (0.099 R)
• M34: 9,105,873 km (0.117 R)
• M35: 9,216,276 km (0.084 R)
• M36: 9,438,578 km (0.094 R)
• M37: 9,625,127 km (0.115 R)
• M38: 10,615,166 km (0.108 R)
• M39: 10,887,284 km (0.096 R)
• M40: 11,319,472 km (0.062 R)
• M41: 11,398,610 km (0.095 R)
• M42: 11,717,253 km (0.085 R)
• M43: 11,837,380 km (0.097 R)
• M44: 11,917,864 km (0.1 R)
• M45: 12,241,145 km (0.088 R)
• M46: 12,444,748 km (0.107 R)
• M47: 13,312,116 km (0.079 R)
• M48: 13,731,888 km (0.079 R)
• M49: 13,985,905 km (0.104 R)
• M50: 14,757,232 km (0.107 R)
• M51: 15,148,131 km (0.093 R)
• M52: 15,674,566 km (0.118 R)
• M53: 15,807,109 km (0.064 R)
• M54: 16,790,416 km (0.075 R)
• M55: 16,880,923 km (0.102 R)
• M56: 17,107,564 km (0.103 R)
• M57: 18,769,147 km (0.096 R)
• M58: 19,476,745 km (0.11 R)
• M59: 21,897,388 km (0.114 R)
• M60: 22,392,707 km (0.101 R)
• M61: 22,542,155 km (0.115 R)
• M62: 23,596,820 km (0.109 R)
• M63: 23,748,812 km (0.104 R)
• M64: 24,308,906 km (0.051 R)
• M65: 24,462,393 km (0.077 R)
• M66: 24,616,180 km (0.105 R)
• M67: 25,702,111 km (0.073 R)
• M68: 26,224,656 km (0.026 R)
• M69: 27,120,897 km (0.071 R)
• M70: 27,866,643 km (0.116 R)
• M71: 28,134,572 km (0.11 R)
• M72: 28,241,984 km (0.074 R)
• M73: 28,889,443 km (0.111 R)
• M74: 30,253,925 km (0.115 R)
• M75: 30,419,081 km (0.097 R)
• M76: 30,584,537 km (0.119 R)
• M77: 31,082,698 km (0.049 R)
• M78: 31,193,699 km (0.065 R)
• M79: 31,416,301 km (0.042 R)
• M80: 34,874,555 km (0.094 R)
• M81: 37,324,968 km (0.094 R)
• M82: 38,451,589 km (0.08 R)
• M83: 38,570,819 km (0.095 R)
• M84: 40,253,197 km (0.05 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 17,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit