🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.77 AU - 0.83 AU

Year: 275 Days

Day: 44.3 Hours

Environment

Temp: 34 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.78 AU - 1.12 AU

Year: 356 Days

Day: 45.2 Hours

Environment

Temp: 4 °C

Axial Tilt: 15.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.65 AU - 1.79 AU

Year: 868 Days

Day: 29.6 Hours

Environment

Temp: -71 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.43 AU - 3.69 AU

Year: 2061 Days

Day: 33 Hours

Environment

Temp: -125 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.85 AU - 3.39 AU

Year: 2122 Days

Day: 42.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 130.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.45 AU - 3.89 AU

Year: 2707 Days

Day: 19.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,996,971 km

• M1: 356,941 km (0.109 R)

Asteroid Belt

Center: 7.46 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.6

Radius: 13.3

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.87 AU - 13.64 AU

Year: 14528 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 89.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 65,996,971 km

• M1: 183,257 km (0.083 R)
• M2: 389,553 km (0.051 R)
• M3: 539,600 km (0.089 R)
• M4: 1,041,500 km (0.042 R)
• M5: 1,286,990 km (0.105 R)
• M6: 1,417,141 km (0.114 R)
• M7: 1,762,712 km (0.091 R)
• M8: 2,783,119 km (0.113 R)
• M9: 3,012,452 km (0.115 R)
• M10: 3,129,438 km (0.07 R)
• M11: 3,307,759 km (0.095 R)
• M12: 3,895,080 km (0.039 R)
• M13: 4,184,851 km (0.062 R)
• M14: 4,615,842 km (0.038 R)
• M15: 4,957,225 km (0.069 R)
• M16: 5,342,290 km (0.064 R)
• M17: 6,141,741 km (0.078 R)
• M18: 7,489,767 km (0.114 R)
• M19: 7,891,437 km (0.115 R)
• M20: 8,135,880 km (0.096 R)
• M21: 8,757,759 km (0.099 R)
• M22: 8,884,019 km (0.045 R)
• M23: 10,224,117 km (0.069 R)
• M24: 12,800,940 km (0.11 R)
• M25: 13,718,873 km (0.092 R)
• M26: 14,062,349 km (0.095 R)
• M27: 14,210,451 km (0.077 R)
• M28: 15,312,389 km (0.058 R)
• M29: 15,464,680 km (0.081 R)
• M30: 16,027,916 km (0.082 R)
• M31: 17,544,689 km (0.068 R)
• M32: 18,024,599 km (0.102 R)
• M33: 20,265,724 km (0.102 R)
• M34: 22,017,964 km (0.116 R)
• M35: 22,883,089 km (0.101 R)
• M36: 22,999,326 km (0.064 R)
• M37: 23,290,743 km (0.094 R)
• M38: 24,231,414 km (0.093 R)
• M39: 24,468,527 km (0.116 R)
• M40: 25,424,607 km (0.108 R)
• M41: 25,544,884 km (0.109 R)
• M42: 25,725,897 km (0.061 R)
• M43: 26,697,984 km (0.084 R)
• M44: 26,881,541 km (0.066 R)
• M45: 28,740,743 km (0.116 R)
• M46: 29,180,561 km (0.091 R)
• M47: 29,432,932 km (0.106 R)
• M48: 29,622,622 km (0.116 R)
• M49: 29,812,761 km (0.07 R)
• M50: 30,961,972 km (0.107 R)
• M51: 31,606,589 km (0.113 R)
• M52: 31,736,141 km (0.063 R)
• M53: 35,231,047 km (0.118 R)
• M54: 35,701,831 km (0.06 R)
• M55: 36,106,792 km (0.107 R)
• M56: 36,377,714 km (0.085 R)
• M57: 36,853,435 km (0.078 R)
• M58: 39,123,882 km (0.084 R)
• M59: 41,156,319 km (0.058 R)
• M60: 41,368,449 km (0.084 R)
• M61: 41,936,173 km (0.112 R)
• M62: 42,221,007 km (0.112 R)
• M63: 42,577,798 km (0.072 R)
• M64: 43,294,671 km (0.113 R)
• M65: 43,582,497 km (0.068 R)
• M66: 44,232,500 km (0.087 R)
• M67: 44,594,976 km (0.072 R)
• M68: 45,031,353 km (0.055 R)
• M69: 46,569,518 km (0.111 R)
• M70: 46,716,872 km (0.08 R)
• M71: 46,864,375 km (0.081 R)
• M72: 47,233,882 km (0.07 R)
• M73: 47,381,984 km (0.093 R)
• M74: 48,423,036 km (0.094 R)
• M75: 50,225,092 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.5

Radius: 3.4

Gravity: 60.51 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 11.67 AU - 18.33 AU

Year: 22367 Days

Day: 17.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 65,996,971 km

• M1: 101,278 km (0.064 R)
• M2: 209,287 km (0.063 R)
• M3: 330,163 km (0.105 R)
• M4: 605,871 km (0.106 R)
• M5: 702,362 km (0.074 R)
• M6: 910,004 km (0.115 R)
• M7: 1,224,758 km (0.073 R)
• M8: 1,441,375 km (0.103 R)
• M9: 1,570,478 km (0.111 R)
• M10: 1,874,461 km (0.084 R)
• M11: 2,270,148 km (0.052 R)
• M12: 2,382,346 km (0.107 R)
• M13: 2,690,817 km (0.079 R)
• M14: 2,970,864 km (0.082 R)
• M15: 3,011,555 km (0.065 R)
• M16: 3,515,251 km (0.113 R)
• M17: 3,645,102 km (0.115 R)
• M18: 3,909,740 km (0.118 R)
• M19: 4,787,880 km (0.11 R)
• M20: 5,876,803 km (0.114 R)
• M21: 6,082,799 km (0.072 R)
• M22: 6,501,673 km (0.112 R)
• M23: 7,202,090 km (0.088 R)
• M24: 7,869,596 km (0.114 R)
• M25: 8,907,207 km (0.061 R)
• M26: 9,025,240 km (0.113 R)
• M27: 10,729,758 km (0.079 R)
• M28: 11,554,042 km (0.09 R)
• M29: 11,618,369 km (0.058 R)
• M30: 12,006,276 km (0.098 R)
• M31: 12,596,290 km (0.074 R)
• M32: 14,009,093 km (0.106 R)
• M33: 14,491,097 km (0.085 R)
• M34: 15,471,262 km (0.113 R)
• M35: 16,112,588 km (0.088 R)
• M36: 18,387,074 km (0.12 R)
• M37: 19,370,381 km (0.096 R)
• M38: 20,215,609 km (0.105 R)
• M39: 22,021,555 km (0.114 R)
• M40: 22,661,833 km (0.067 R)
• M41: 22,822,801 km (0.098 R)
• M42: 24,866,906 km (0.04 R)
• M43: 25,199,462 km (0.06 R)
• M44: 25,952,837 km (0.087 R)
• M45: 26,121,284 km (0.099 R)
• M46: 26,374,553 km (0.026 R)
• M47: 27,396,008 km (0.085 R)
• M48: 29,127,005 km (0.104 R)
• M49: 29,565,177 km (0.105 R)
• M50: 30,448,253 km (0.102 R)
• M51: 32,059,272 km (0.043 R)
• M52: 32,239,987 km (0.052 R)
• M53: 33,331,453 km (0.059 R)
• M54: 33,423,007 km (0.117 R)
• M55: 33,514,561 km (0.096 R)
• M56: 34,065,679 km (0.119 R)
• M57: 34,619,939 km (0.081 R)
• M58: 35,456,939 km (0.069 R)
• M59: 36,488,716 km (0.063 R)
• M60: 37,911,840 km (0.1 R)
• M61: 38,294,213 km (0.117 R)
• M62: 38,774,272 km (0.09 R)
• M63: 39,740,076 km (0.112 R)
• M64: 41,203,592 km (0.053 R)
• M65: 43,182,323 km (0.059 R)
• M66: 44,585,701 km (0.082 R)
• M67: 46,616,492 km (0.08 R)
• M68: 47,026,240 km (0.114 R)
• M69: 47,746,105 km (0.112 R)
• M70: 48,159,145 km (0.043 R)
• M71: 48,573,381 km (0.109 R)
• M72: 50,032,260 km (0.109 R)
• M73: 50,241,996 km (0.113 R)
• M74: 56,010,340 km (0.052 R)
• M75: 57,869,094 km (0.075 R)
• M76: 61,086,346 km (0.109 R)
• M77: 61,198,395 km (0.07 R)
• M78: 61,534,691 km (0.098 R)
• M79: 62,209,227 km (0.089 R)
• M80: 63,679,026 km (0.037 R)
• M81: 65,733,005 km (0.067 R)
• M82: 67,345,371 km (0.107 R)
• M83: 67,692,588 km (0.044 R)
• M84: 69,788,454 km (0.063 R)
• M85: 72,260,259 km (0.12 R)
• M86: 73,447,468 km (0.082 R)
• M87: 73,804,857 km (0.116 R)
• M88: 74,521,282 km (0.037 R)
• M89: 75,720,608 km (0.106 R)
• M90: 77,289,291 km (0.078 R)
• M91: 78,868,596 km (0.063 R)
• M92: 79,968,290 km (0.083 R)
• M93: 81,688,815 km (0.043 R)
• M94: 81,812,233 km (0.097 R)
• M95: 81,935,651 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.5

Radius: 7

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 13.89 AU - 17.79 AU

Year: 24272 Days

Day: 19.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 65,996,971 km

• M1: 97,837 km (0.054 R)
• M2: 143,315 km (0.09 R)
• M3: 208,091 km (0.118 R)
• M4: 287,677 km (0.064 R)
• M5: 363,373 km (0.081 R)
• M6: 412,591 km (0.065 R)
• M7: 695,331 km (0.118 R)
• M8: 914,193 km (0.049 R)
• M9: 1,080,097 km (0.056 R)
• M10: 1,230,143 km (0.113 R)
• M11: 1,307,785 km (0.119 R)
• M12: 1,578,407 km (0.099 R)
• M13: 1,720,376 km (0.09 R)
• M14: 1,807,591 km (0.094 R)
• M15: 2,930,323 km (0.106 R)
• M16: 3,070,048 km (0.077 R)
• M17: 3,247,919 km (0.115 R)
• M18: 3,392,730 km (0.088 R)
• M19: 3,651,235 km (0.105 R)
• M20: 3,916,023 km (0.086 R)
• M21: 4,706,798 km (0.101 R)
• M22: 5,894,007 km (0.086 R)
• M23: 5,982,269 km (0.099 R)
• M24: 6,249,451 km (0.101 R)
• M25: 6,475,194 km (0.076 R)
• M26: 7,215,404 km (0.101 R)
• M27: 7,452,218 km (0.113 R)
• M28: 7,499,940 km (0.107 R)
• M29: 8,424,903 km (0.114 R)
• M30: 9,180,223 km (0.051 R)
• M31: 9,436,933 km (0.065 R)
• M32: 9,540,155 km (0.118 R)
• M33: 9,643,827 km (0.102 R)
• M34: 10,168,018 km (0.119 R)
• M35: 10,273,933 km (0.037 R)
• M36: 10,433,404 km (0.111 R)
• M37: 11,962,145 km (0.119 R)
• M38: 12,186,243 km (0.093 R)
• M39: 12,638,477 km (0.094 R)
• M40: 13,385,120 km (0.111 R)
• M41: 14,382,938 km (0.037 R)
• M42: 14,442,328 km (0.111 R)
• M43: 15,587,350 km (0.058 R)
• M44: 16,387,400 km (0.119 R)
• M45: 16,573,798 km (0.112 R)
• M46: 16,698,563 km (0.114 R)
• M47: 17,580,592 km (0.111 R)
• M48: 21,256,511 km (0.082 R)
• M49: 23,180,340 km (0.074 R)
• M50: 23,669,973 km (0.04 R)
• M51: 23,810,446 km (0.108 R)
• M52: 24,730,473 km (0.06 R)
• M53: 24,944,547 km (0.031 R)
• M54: 25,518,106 km (0.119 R)
• M55: 25,878,786 km (0.117 R)
• M56: 26,532,379 km (0.059 R)
• M57: 26,751,390 km (0.054 R)
• M58: 27,044,453 km (0.109 R)
• M59: 28,376,173 km (0.083 R)
• M60: 28,525,472 km (0.055 R)
• M61: 29,275,705 km (0.106 R)
• M62: 30,413,397 km (0.108 R)
• M63: 31,026,000 km (0.044 R)
• M64: 31,411,065 km (0.119 R)
• M65: 33,280,739 km (0.082 R)
• M66: 33,438,266 km (0.09 R)
• M67: 33,517,104 km (0.084 R)
• M68: 34,467,649 km (0.076 R)
• M69: 34,626,970 km (0.073 R)
• M70: 35,106,282 km (0.115 R)
• M71: 35,990,705 km (0.1 R)
• M72: 36,801,226 km (0.098 R)
• M73: 38,605,376 km (0.077 R)
• M74: 39,768,350 km (0.079 R)
• M75: 42,554,760 km (0.077 R)
• M76: 43,928,368 km (0.068 R)
• M77: 46,454,776 km (0.11 R)
• M78: 46,630,703 km (0.103 R)
• M79: 47,691,203 km (0.113 R)
• M80: 48,313,380 km (0.111 R)
• M81: 48,759,631 km (0.078 R)
• M82: 49,386,446 km (0.107 R)
• M83: 50,196,369 km (0.071 R)
• M84: 50,467,290 km (0.092 R)
• M85: 51,464,959 km (0.036 R)
• M86: 53,848,651 km (0.039 R)
• M87: 54,403,809 km (0.082 R)
• M88: 54,774,961 km (0.113 R)
• M89: 55,893,654 km (0.083 R)
• M90: 56,268,098 km (0.086 R)
• M91: 56,737,536 km (0.046 R)
• M92: 57,302,417 km (0.043 R)
• M93: 58,913,137 km (0.106 R)
• M94: 61,405,288 km (0.116 R)
• M95: 61,501,929 km (0.116 R)
• M96: 61,695,059 km (0.111 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 19,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit