🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.45 AU - 0.65 AU

Year: 147 Days

Day: 17.9 Hours

Environment

Temp: 259 °C

Axial Tilt: 24.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.57 AU - 0.77 AU

Year: 197 Days

Day: 23.3 Hours

Environment

Temp: 141 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,090,531 km

• M1: 504,294 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.98 AU - 0.98 AU

Year: 349 Days

Day: 16.2 Hours

Environment

Temp: 65 °C

Axial Tilt: 4.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.31 AU - 1.45 AU

Year: 583 Days

Day: 39.4 Hours

Environment

Temp: -9 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 51,090,531 km

• M1: 364,121 km (0.109 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.66 AU - 2.5 AU

Year: 1080 Days

Day: 28 Hours

Environment

Temp: -73 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.86 AU - 2.68 AU

Year: 1231 Days

Day: 31 Hours

Environment

Temp: -68 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,090,531 km

• M1: 55,800 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.7

Radius: 9.2

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.51 AU - 8.75 AU

Year: 8343 Days

Day: 6.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 51,090,531 km

• M1: 133,740 km (0.087 R)
• M2: 250,277 km (0.097 R)
• M3: 341,532 km (0.069 R)
• M4: 772,523 km (0.029 R)
• M5: 986,448 km (0.073 R)
• M6: 1,313,918 km (0.108 R)
• M7: 1,470,248 km (0.106 R)
• M8: 1,801,458 km (0.075 R)
• M9: 2,020,469 km (0.115 R)
• M10: 2,853,430 km (0.108 R)
• M11: 3,161,452 km (0.109 R)
• M12: 4,177,221 km (0.101 R)
• M13: 4,497,510 km (0.075 R)
• M14: 4,615,992 km (0.106 R)
• M15: 5,008,088 km (0.071 R)
• M16: 5,069,423 km (0.087 R)
• M17: 5,285,891 km (0.028 R)
• M18: 5,473,936 km (0.112 R)
• M19: 5,824,443 km (0.112 R)
• M20: 6,347,438 km (0.096 R)
• M21: 6,547,300 km (0.063 R)
• M22: 7,543,024 km (0.096 R)
• M23: 7,861,667 km (0.119 R)
• M24: 8,402,464 km (0.117 R)
• M25: 8,548,770 km (0.06 R)
• M26: 8,806,677 km (0.03 R)
• M27: 9,217,323 km (0.086 R)
• M28: 9,368,267 km (0.069 R)
• M29: 10,565,050 km (0.095 R)
• M30: 10,921,542 km (0.093 R)
• M31: 11,001,278 km (0.078 R)
• M32: 12,096,933 km (0.104 R)
• M33: 12,469,880 km (0.103 R)
• M34: 12,636,831 km (0.08 R)
• M35: 12,762,643 km (0.079 R)
• M36: 12,930,791 km (0.091 R)
• M37: 13,611,312 km (0.108 R)
• M38: 13,740,116 km (0.032 R)
• M39: 14,129,220 km (0.058 R)
• M40: 14,874,067 km (0.102 R)
• M41: 15,006,910 km (0.071 R)
• M42: 15,184,483 km (0.079 R)
• M43: 15,407,533 km (0.057 R)
• M44: 15,541,872 km (0.061 R)
• M45: 16,265,028 km (0.093 R)
• M46: 17,603,331 km (0.103 R)
• M47: 17,884,725 km (0.049 R)
• M48: 18,309,433 km (0.109 R)
• M49: 19,506,814 km (0.049 R)
• M50: 20,630,594 km (0.029 R)
• M51: 20,828,212 km (0.092 R)
• M52: 21,926,111 km (0.073 R)
• M53: 22,431,453 km (0.108 R)
• M54: 22,532,880 km (0.08 R)
• M55: 24,595,236 km (0.035 R)
• M56: 26,395,048 km (0.116 R)
• M57: 26,663,427 km (0.077 R)
• M58: 27,419,345 km (0.056 R)
• M59: 27,908,979 km (0.051 R)
• M60: 28,291,949 km (0.062 R)
• M61: 28,786,669 km (0.064 R)
• M62: 29,450,884 km (0.114 R)
• M63: 30,569,128 km (0.071 R)
• M64: 31,360,052 km (0.102 R)
• M65: 32,157,857 km (0.028 R)
• M66: 33,251,119 km (0.037 R)
• M67: 35,061,103 km (0.045 R)
• M68: 35,178,837 km (0.104 R)
• M69: 36,902,653 km (0.088 R)
• M70: 36,962,642 km (0.07 R)
• M71: 37,202,746 km (0.116 R)
• M72: 37,986,490 km (0.097 R)
• M73: 38,107,514 km (0.07 R)
• M74: 38,168,102 km (0.067 R)
• M75: 38,350,013 km (0.093 R)
• M76: 38,653,846 km (0.04 R)
• M77: 38,836,654 km (0.113 R)
• M78: 38,897,541 km (0.084 R)
• M79: 40,555,534 km (0.079 R)
• M80: 40,865,202 km (0.117 R)
• M81: 41,237,700 km (0.119 R)
• M82: 41,299,933 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.8

Radius: 5.7

Gravity: 22.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 14.53 AU - 20.87 AU

Year: 26800 Days

Day: 20 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 51,090,531 km

• M1: 337,044 km (0.104 R)
• M2: 660,774 km (0.114 R)
• M3: 1,351,168 km (0.103 R)
• M4: 2,869,287 km (0.119 R)
• M5: 3,410,083 km (0.048 R)
• M6: 3,456,608 km (0.062 R)
• M7: 3,550,107 km (0.052 R)
• M8: 4,634,243 km (0.105 R)
• M9: 4,737,465 km (0.092 R)
• M10: 5,319,401 km (0.092 R)
• M11: 5,536,468 km (0.099 R)
• M12: 5,756,526 km (0.114 R)
• M13: 6,491,500 km (0.089 R)
• M14: 7,315,635 km (0.104 R)
• M15: 7,801,230 km (0.068 R)
• M16: 7,924,199 km (0.094 R)
• M17: 8,297,147 km (0.062 R)
• M18: 8,359,828 km (0.056 R)
• M19: 8,867,264 km (0.029 R)
• M20: 9,254,423 km (0.114 R)
• M21: 11,620,015 km (0.09 R)
• M22: 12,471,825 km (0.085 R)
• M23: 12,687,844 km (0.115 R)
• M24: 13,270,079 km (0.095 R)
• M25: 16,862,522 km (0.094 R)
• M26: 17,101,430 km (0.042 R)
• M27: 17,341,535 km (0.078 R)
• M28: 17,744,103 km (0.077 R)
• M29: 18,476,384 km (0.059 R)
• M30: 19,218,689 km (0.113 R)
• M31: 19,551,694 km (0.085 R)
• M32: 20,477,106 km (0.07 R)
• M33: 21,589,366 km (0.065 R)
• M34: 25,770,477 km (0.045 R)
• M35: 25,862,181 km (0.114 R)
• M36: 25,953,884 km (0.061 R)
• M37: 29,518,801 km (0.062 R)
• M38: 29,710,586 km (0.086 R)
• M39: 29,806,777 km (0.053 R)
• M40: 30,482,212 km (0.09 R)
• M41: 30,773,180 km (0.092 R)
• M42: 31,553,781 km (0.1 R)
• M43: 33,333,697 km (0.069 R)
• M44: 34,135,093 km (0.081 R)
• M45: 34,336,451 km (0.069 R)
• M46: 35,655,007 km (0.06 R)
• M47: 35,859,208 km (0.118 R)
• M48: 35,961,533 km (0.119 R)
• M49: 36,680,351 km (0.053 R)
• M50: 37,196,763 km (0.105 R)
• M51: 39,497,129 km (0.109 R)
• M52: 40,026,257 km (0.114 R)
• M53: 40,771,104 km (0.083 R)
• M54: 41,198,805 km (0.116 R)
• M55: 42,058,693 km (0.096 R)
• M56: 42,599,041 km (0.045 R)
• M57: 43,033,024 km (0.064 R)
• M58: 44,563,261 km (0.063 R)
• M59: 48,806,156 km (0.111 R)
• M60: 49,373,880 km (0.086 R)
• M61: 50,172,433 km (0.086 R)
• M62: 50,286,875 km (0.098 R)
• M63: 50,516,059 km (0.115 R)
• M64: 50,860,284 km (0.103 R)
• M65: 52,361,499 km (0.112 R)
• M66: 54,228,929 km (0.095 R)
• M67: 55,170,648 km (0.115 R)
• M68: 57,548,954 km (0.108 R)
• M69: 58,871,100 km (0.102 R)
• M70: 59,354,451 km (0.12 R)
• M71: 59,960,472 km (0.057 R)
• M72: 61,667,982 km (0.091 R)
• M73: 61,790,503 km (0.093 R)
• M74: 63,886,818 km (0.117 R)
• M75: 64,632,264 km (0.099 R)
• M76: 66,634,033 km (0.072 R)
• M77: 66,759,845 km (0.105 R)
• M78: 67,642,622 km (0.1 R)
• M79: 69,930,123 km (0.054 R)
• M80: 71,469,186 km (0.072 R)
• M81: 72,760,365 km (0.085 R)
• M82: 73,668,723 km (0.091 R)
• M83: 74,450,223 km (0.078 R)
• M84: 76,153,095 km (0.037 R)
• M85: 76,943,271 km (0.072 R)
• M86: 77,603,895 km (0.084 R)
• M87: 81,337,858 km (0.071 R)
• M88: 84,448,596 km (0.1 R)
• M89: 84,720,865 km (0.056 R)
• M90: 85,403,031 km (0.088 R)
• M91: 90,367,735 km (0.06 R)
• M92: 92,043,232 km (0.043 R)
• M93: 92,183,405 km (0.036 R)
• M94: 93,588,278 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.5

Radius: 6.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 16.84 AU - 21.7 AU

Year: 30443 Days

Day: 20.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 51,090,531 km

• M1: 101,427 km (0.116 R)
• M2: 227,538 km (0.087 R)
• M3: 309,668 km (0.11 R)
• M4: 389,104 km (0.07 R)
• M5: 476,170 km (0.074 R)
• M6: 795,861 km (0.103 R)
• M7: 889,958 km (0.116 R)
• M8: 1,110,166 km (0.104 R)
• M9: 1,720,525 km (0.092 R)
• M10: 2,337,616 km (0.079 R)
• M11: 2,446,673 km (0.105 R)
• M12: 2,783,867 km (0.099 R)
• M13: 3,135,871 km (0.115 R)
• M14: 3,913,929 km (0.077 R)
• M15: 5,563,545 km (0.066 R)
• M16: 6,497,484 km (0.114 R)
• M17: 7,439,203 km (0.109 R)
• M18: 7,803,175 km (0.109 R)
• M19: 8,380,922 km (0.117 R)
• M20: 8,506,584 km (0.083 R)
• M21: 9,403,273 km (0.083 R)
• M22: 9,533,872 km (0.101 R)
• M23: 9,708,902 km (0.107 R)
• M24: 9,840,847 km (0.077 R)
• M25: 10,872,175 km (0.119 R)
• M26: 10,963,430 km (0.1 R)
• M27: 11,009,207 km (0.082 R)
• M28: 11,563,167 km (0.046 R)
• M29: 12,220,800 km (0.096 R)
• M30: 12,315,794 km (0.108 R)
• M31: 12,794,208 km (0.042 R)
• M32: 13,523,199 km (0.084 R)
• M33: 13,621,335 km (0.076 R)
• M34: 14,516,080 km (0.112 R)
• M35: 14,717,439 km (0.045 R)
• M36: 14,818,417 km (0.077 R)
• M37: 14,868,981 km (0.09 R)
• M38: 14,919,695 km (0.091 R)
• M39: 16,048,860 km (0.043 R)
• M40: 16,361,519 km (0.096 R)
• M41: 18,279,663 km (0.1 R)
• M42: 18,442,725 km (0.106 R)
• M43: 19,044,557 km (0.093 R)
• M44: 19,597,321 km (0.102 R)
• M45: 20,662,159 km (0.07 R)
• M46: 21,688,101 km (0.1 R)
• M47: 21,803,142 km (0.106 R)
• M48: 23,375,714 km (0.083 R)
• M49: 23,552,689 km (0.094 R)
• M50: 23,789,353 km (0.056 R)
• M51: 24,265,074 km (0.119 R)
• M52: 26,628,571 km (0.12 R)
• M53: 27,868,887 km (0.076 R)
• M54: 29,064,622 km (0.094 R)
• M55: 29,764,441 km (0.067 R)
• M56: 30,084,431 km (0.071 R)
• M57: 30,534,272 km (0.074 R)
• M58: 32,421,599 km (0.039 R)
• M59: 32,618,918 km (0.09 R)
• M60: 33,147,298 km (0.108 R)
• M61: 33,744,941 km (0.049 R)
• M62: 33,878,233 km (0.094 R)
• M63: 34,547,534 km (0.075 R)
• M64: 38,513,972 km (0.068 R)
• M65: 38,862,535 km (0.095 R)
• M66: 38,932,397 km (0.055 R)
• M67: 39,773,885 km (0.041 R)
• M68: 40,196,798 km (0.104 R)
• M69: 41,832,053 km (0.107 R)
• M70: 42,190,489 km (0.038 R)
• M71: 42,405,910 km (0.098 R)
• M72: 42,621,780 km (0.109 R)
• M73: 44,947,129 km (0.083 R)
• M74: 47,985,911 km (0.076 R)
• M75: 49,189,725 km (0.097 R)
• M76: 49,947,139 km (0.094 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 13,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit