🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.4 AU - 0.64 AU

Year: 170 Days

Day: 18.3 Hours

Environment

Temp: 13 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.58 AU - 0.86 AU

Year: 277 Days

Day: 47.6 Hours

Environment

Temp: -30 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.71 AU - 0.97 AU

Year: 349 Days

Day: 30.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,194,083 km

• M1: 98,735 km (0.057 R)
• M2: 175,329 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.67 AU - 1.09 AU

Year: 374 Days

Day: 30.5 Hours

Environment

Temp: -67 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,194,083 km

• M1: 211,083 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.21 AU - 1.83 AU

Year: 849 Days

Day: 26.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.37 AU - 2.13 AU

Year: 1049 Days

Day: 13.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.66 AU - 2.08 AU

Year: 1158 Days

Day: 34.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.7

Radius: 11.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.07 AU - 3.63 AU

Year: 2778 Days

Day: 13.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 80,194,083 km

• M1: 147,354 km (0.104 R)
• M2: 278,850 km (0.112 R)
• M3: 436,826 km (0.071 R)
• M4: 730,935 km (0.086 R)
• M5: 845,826 km (0.078 R)
• M6: 967,300 km (0.11 R)
• M7: 1,161,328 km (0.115 R)
• M8: 1,534,725 km (0.095 R)
• M9: 1,752,090 km (0.083 R)
• M10: 1,910,514 km (0.092 R)
• M11: 2,451,760 km (0.056 R)
• M12: 2,694,258 km (0.116 R)
• M13: 2,798,827 km (0.104 R)
• M14: 2,971,612 km (0.107 R)
• M15: 3,203,040 km (0.1 R)
• M16: 3,369,991 km (0.119 R)
• M17: 3,712,720 km (0.105 R)
• M18: 3,800,085 km (0.115 R)
• M19: 4,187,095 km (0.114 R)
• M20: 4,324,126 km (0.091 R)
• M21: 4,555,704 km (0.058 R)
• M22: 4,759,755 km (0.055 R)
• M23: 4,854,900 km (0.043 R)
• M24: 4,950,792 km (0.098 R)
• M25: 5,031,276 km (0.118 R)
• M26: 5,307,732 km (0.071 R)
• M27: 5,390,011 km (0.055 R)
• M28: 5,555,915 km (0.05 R)
• M29: 5,875,905 km (0.083 R)
• M30: 5,961,026 km (0.105 R)
• M31: 6,063,950 km (0.074 R)
• M32: 6,167,322 km (0.073 R)
• M33: 6,253,939 km (0.075 R)
• M34: 6,375,861 km (0.025 R)
• M35: 6,728,613 km (0.03 R)
• M36: 6,943,436 km (0.099 R)
• M37: 7,361,412 km (0.118 R)
• M38: 7,435,014 km (0.117 R)
• M39: 7,564,267 km (0.073 R)
• M40: 7,787,766 km (0.108 R)
• M41: 8,203,050 km (0.11 R)
• M42: 8,336,641 km (0.072 R)
• M43: 8,509,576 km (0.066 R)
• M44: 8,898,231 km (0.047 R)
• M45: 9,035,562 km (0.105 R)
• M46: 9,551,974 km (0.093 R)
• M47: 9,672,550 km (0.078 R)
• M48: 10,303,553 km (0.07 R)
• M49: 10,801,116 km (0.03 R)
• M50: 11,179,598 km (0.041 R)
• M51: 11,541,027 km (0.042 R)
• M52: 11,712,466 km (0.105 R)
• M53: 11,820,027 km (0.115 R)
• M54: 12,210,029 km (0.115 R)
• M55: 12,980,458 km (0.089 R)
• M56: 13,270,528 km (0.098 R)
• M57: 13,948,356 km (0.095 R)
• M58: 14,085,238 km (0.034 R)
• M59: 14,823,204 km (0.112 R)
• M60: 15,361,158 km (0.046 R)
• M61: 15,620,860 km (0.111 R)
• M62: 15,786,764 km (0.117 R)
• M63: 16,072,646 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.4

Radius: 9.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.39 AU - 8.31 AU

Year: 9027 Days

Day: 6.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 80,194,083 km

• M1: 179,218 km (0.073 R)
• M2: 264,489 km (0.117 R)
• M3: 324,179 km (0.097 R)
• M4: 516,262 km (0.107 R)
• M5: 645,066 km (0.116 R)
• M6: 894,146 km (0.088 R)
• M7: 979,118 km (0.104 R)
• M8: 1,127,220 km (0.077 R)
• M9: 1,580,950 km (0.119 R)
• M10: 1,774,081 km (0.093 R)
• M11: 2,049,790 km (0.099 R)
• M12: 2,183,381 km (0.057 R)
• M13: 2,438,894 km (0.072 R)
• M14: 3,108,793 km (0.102 R)
• M15: 3,670,085 km (0.059 R)
• M16: 3,739,498 km (0.076 R)
• M17: 4,021,939 km (0.056 R)
• M18: 4,311,261 km (0.098 R)
• M19: 4,582,632 km (0.069 R)
• M20: 4,808,674 km (0.063 R)
• M21: 5,038,456 km (0.074 R)
• M22: 5,219,769 km (0.107 R)
• M23: 5,350,517 km (0.069 R)
• M24: 5,588,677 km (0.054 R)
• M25: 5,668,862 km (0.039 R)
• M26: 5,749,345 km (0.083 R)
• M27: 5,993,339 km (0.092 R)
• M28: 6,185,573 km (0.065 R)
• M29: 6,491,650 km (0.096 R)
• M30: 6,916,957 km (0.114 R)
• M31: 6,974,402 km (0.054 R)
• M32: 7,410,031 km (0.115 R)
• M33: 7,764,877 km (0.12 R)
• M34: 8,522,142 km (0.093 R)
• M35: 8,614,593 km (0.11 R)
• M36: 9,334,309 km (0.089 R)
• M37: 10,041,009 km (0.103 R)
• M38: 10,138,696 km (0.078 R)
• M39: 10,302,207 km (0.034 R)
• M40: 10,400,642 km (0.059 R)
• M41: 11,812,996 km (0.067 R)
• M42: 12,401,514 km (0.091 R)
• M43: 12,541,388 km (0.107 R)
• M44: 12,717,016 km (0.078 R)
• M45: 13,106,269 km (0.114 R)
• M46: 14,260,716 km (0.103 R)
• M47: 14,333,870 km (0.12 R)
• M48: 14,591,178 km (0.081 R)
• M49: 15,824,762 km (0.076 R)
• M50: 16,052,600 km (0.076 R)
• M51: 16,166,892 km (0.093 R)
• M52: 16,243,337 km (0.118 R)
• M53: 16,511,566 km (0.067 R)
• M54: 17,208,243 km (0.093 R)
• M55: 17,953,988 km (0.111 R)
• M56: 18,310,779 km (0.062 R)
• M57: 19,072,083 km (0.096 R)
• M58: 19,476,745 km (0.082 R)
• M59: 19,966,229 km (0.063 R)
• M60: 20,874,139 km (0.099 R)
• M61: 21,458,917 km (0.106 R)
• M62: 21,584,878 km (0.119 R)
• M63: 21,795,512 km (0.112 R)
• M64: 22,687,265 km (0.068 R)
• M65: 23,030,143 km (0.094 R)
• M66: 23,504,518 km (0.091 R)
• M67: 24,243,681 km (0.039 R)
• M68: 24,638,171 km (0.084 R)
• M69: 24,858,229 km (0.063 R)
• M70: 25,389,152 km (0.114 R)
• M71: 25,789,775 km (0.091 R)
• M72: 25,968,395 km (0.091 R)
• M73: 26,687,363 km (0.09 R)
• M74: 26,958,733 km (0.057 R)
• M75: 27,732,453 km (0.069 R)
• M76: 28,236,897 km (0.104 R)
• M77: 28,744,483 km (0.103 R)
• M78: 29,628,157 km (0.119 R)
• M79: 30,049,874 km (0.117 R)
• M80: 30,568,081 km (0.056 R)
• M81: 30,946,713 km (0.119 R)
• M82: 31,184,275 km (0.079 R)
• M83: 31,708,765 km (0.09 R)
• M84: 32,044,163 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.3

Radius: 7.2

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 15.18 AU - 16.58 AU

Year: 28669 Days

Day: 18.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 80,194,083 km

• M1: 548,127 km (0.118 R)
• M2: 614,099 km (0.094 R)
• M3: 779,106 km (0.064 R)
• M4: 905,815 km (0.091 R)
• M5: 1,179,579 km (0.036 R)
• M6: 1,669,512 km (0.088 R)
• M7: 2,216,442 km (0.104 R)
• M8: 2,288,548 km (0.034 R)
• M9: 2,737,491 km (0.11 R)
• M10: 3,012,004 km (0.08 R)
• M11: 3,974,965 km (0.073 R)
• M12: 4,330,709 km (0.115 R)
• M13: 4,512,470 km (0.079 R)
• M14: 4,977,869 km (0.046 R)
• M15: 6,257,978 km (0.079 R)
• M16: 6,776,185 km (0.058 R)
• M17: 7,470,319 km (0.098 R)
• M18: 7,964,142 km (0.069 R)
• M19: 8,186,893 km (0.118 R)
• M20: 8,299,091 km (0.082 R)
• M21: 8,411,888 km (0.115 R)
• M22: 8,468,436 km (0.038 R)
• M23: 8,695,975 km (0.085 R)
• M24: 9,863,287 km (0.111 R)
• M25: 10,648,077 km (0.117 R)
• M26: 11,390,382 km (0.104 R)
• M27: 12,021,685 km (0.054 R)
• M28: 12,085,414 km (0.057 R)
• M29: 12,924,358 km (0.066 R)
• M30: 13,120,631 km (0.054 R)
• M31: 15,551,895 km (0.085 R)
• M32: 15,691,021 km (0.108 R)
• M33: 16,181,104 km (0.1 R)
• M34: 16,889,899 km (0.098 R)
• M35: 17,899,236 km (0.11 R)
• M36: 18,264,404 km (0.097 R)
• M37: 18,337,707 km (0.085 R)
• M38: 18,558,364 km (0.091 R)
• M39: 18,853,820 km (0.114 R)
• M40: 20,430,581 km (0.12 R)
• M41: 20,506,727 km (0.105 R)
• M42: 21,119,180 km (0.094 R)
• M43: 21,273,266 km (0.101 R)
• M44: 22,205,560 km (0.089 R)
• M45: 22,992,445 km (0.077 R)
• M46: 23,309,891 km (0.091 R)
• M47: 23,708,570 km (0.091 R)
• M48: 23,948,974 km (0.08 R)
• M49: 24,109,642 km (0.116 R)
• M50: 24,755,904 km (0.084 R)
• M51: 24,999,749 km (0.12 R)
• M52: 25,081,130 km (0.061 R)
• M53: 26,313,517 km (0.107 R)
• M54: 26,562,299 km (0.074 R)
• M55: 28,580,823 km (0.072 R)
• M56: 30,213,684 km (0.054 R)
• M57: 30,822,696 km (0.096 R)
• M58: 32,053,139 km (0.066 R)
• M59: 33,838,590 km (0.104 R)
• M60: 38,912,201 km (0.117 R)
• M61: 40,050,192 km (0.088 R)
• M62: 41,007,020 km (0.06 R)
• M63: 41,199,254 km (0.092 R)
• M64: 41,681,108 km (0.081 R)
• M65: 41,874,538 km (0.074 R)
• M66: 43,431,553 km (0.074 R)
• M67: 44,611,731 km (0.088 R)
• M68: 45,106,600 km (0.026 R)
• M69: 45,603,415 km (0.097 R)
• M70: 46,101,875 km (0.116 R)
• M71: 48,113,966 km (0.067 R)
• M72: 48,621,402 km (0.087 R)
• M73: 50,051,708 km (0.105 R)
• M74: 51,288,732 km (0.088 R)
• M75: 52,119,001 km (0.087 R)
• M76: 54,424,902 km (0.093 R)
• M77: 54,636,284 km (0.058 R)
• M78: 56,657,052 km (0.051 R)
• M79: 57,085,500 km (0.111 R)
• M80: 57,300,173 km (0.113 R)
• M81: 57,730,417 km (0.027 R)
• M82: 58,918,822 km (0.098 R)
• M83: 59,570,471 km (0.087 R)
• M84: 59,788,285 km (0.07 R)
• M85: 63,086,020 km (0.108 R)
• M86: 63,197,022 km (0.08 R)
• M87: 65,766,515 km (0.08 R)
• M88: 67,120,675 km (0.053 R)
• M89: 67,460,711 km (0.05 R)
• M90: 67,914,890 km (0.092 R)
• M91: 68,940,533 km (0.056 R)
• M92: 69,054,676 km (0.115 R)
• M93: 72,396,094 km (0.111 R)
• M94: 76,025,638 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 14,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit