🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.6 AU - 1 AU

Year: 267 Days

Day: 24 Hours

Environment

Temp: 84 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.9 AU - 1.2 AU

Year: 401 Days

Day: 44.7 Hours

Environment

Temp: 24 °C

Axial Tilt: 20.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 68,671,579 km

• M1: 258,804 km (0.113 R)
• M2: 292,165 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.92 AU - 1.48 AU

Year: 490 Days

Day: 14 Hours

Environment

Temp: 8 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 68,671,579 km

• M1: 103,671 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.04 AU - 2.78 AU

Year: 1395 Days

Day: 15.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.72 AU - 2.88 AU

Year: 1747 Days

Day: 39.5 Hours

Environment

Temp: -97 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,671,579 km

• M1: 2,164,831 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.3

Radius: 10.8

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.94 AU - 10.48 AU

Year: 9583 Days

Day: 8.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 68,671,579 km

• M1: 219,011 km (0.079 R)
• M2: 300,991 km (0.11 R)
• M3: 497,862 km (0.114 R)
• M4: 574,007 km (0.102 R)
• M5: 923,019 km (0.111 R)
• M6: 1,225,805 km (0.099 R)
• M7: 1,400,386 km (0.091 R)
• M8: 1,536,669 km (0.066 R)
• M9: 1,606,681 km (0.115 R)
• M10: 2,753,349 km (0.09 R)
• M11: 2,896,963 km (0.086 R)
• M12: 3,072,591 km (0.036 R)
• M13: 3,558,335 km (0.03 R)
• M14: 3,778,543 km (0.114 R)
• M15: 4,432,286 km (0.101 R)
• M16: 4,499,605 km (0.044 R)
• M17: 4,601,331 km (0.063 R)
• M18: 5,156,339 km (0.116 R)
• M19: 5,623,085 km (0.086 R)
• M20: 5,769,391 km (0.106 R)
• M21: 5,843,143 km (0.117 R)
• M22: 6,635,563 km (0.094 R)
• M23: 6,790,247 km (0.074 R)
• M24: 7,421,401 km (0.098 R)
• M25: 8,824,330 km (0.092 R)
• M26: 9,468,947 km (0.115 R)
• M27: 9,907,119 km (0.09 R)
• M28: 10,128,673 km (0.099 R)
• M29: 10,262,414 km (0.073 R)
• M30: 10,622,047 km (0.101 R)
• M31: 10,848,838 km (0.085 R)
• M32: 11,123,200 km (0.111 R)
• M33: 12,148,693 km (0.118 R)
• M34: 12,338,384 km (0.031 R)
• M35: 12,961,608 km (0.078 R)
• M36: 13,448,101 km (0.107 R)
• M37: 14,039,760 km (0.094 R)
• M38: 14,943,182 km (0.095 R)
• M39: 15,401,998 km (0.106 R)
• M40: 15,710,469 km (0.117 R)
• M41: 16,964,548 km (0.107 R)
• M42: 17,123,571 km (0.112 R)
• M43: 17,764,598 km (0.035 R)
• M44: 18,686,270 km (0.092 R)
• M45: 19,290,795 km (0.12 R)
• M46: 19,456,849 km (0.108 R)
• M47: 19,734,652 km (0.027 R)
• M48: 19,901,902 km (0.08 R)
• M49: 20,519,293 km (0.098 R)
• M50: 20,858,730 km (0.117 R)
• M51: 21,314,256 km (0.055 R)
• M52: 22,992,744 km (0.107 R)
• M53: 24,653,280 km (0.077 R)
• M54: 24,833,546 km (0.073 R)
• M55: 25,255,711 km (0.112 R)
• M56: 25,619,533 km (0.111 R)
• M57: 25,802,042 km (0.105 R)
• M58: 26,475,083 km (0.103 R)
• M59: 27,963,582 km (0.119 R)
• M60: 29,415,280 km (0.08 R)
• M61: 29,861,979 km (0.091 R)
• M62: 30,633,006 km (0.119 R)
• M63: 31,280,616 km (0.064 R)
• M64: 31,410,616 km (0.05 R)
• M65: 31,671,216 km (0.11 R)
• M66: 32,654,971 km (0.08 R)
• M67: 32,786,917 km (0.107 R)
• M68: 33,715,471 km (0.114 R)
• M69: 34,049,074 km (0.099 R)
• M70: 34,383,874 km (0.104 R)
• M71: 35,056,765 km (0.058 R)
• M72: 35,666,077 km (0.107 R)
• M73: 36,620,811 km (0.049 R)
• M74: 36,826,508 km (0.12 R)
• M75: 38,974,434 km (0.075 R)
• M76: 40,098,812 km (0.115 R)
• M77: 41,162,602 km (0.095 R)
• M78: 41,233,811 km (0.09 R)
• M79: 43,826,043 km (0.085 R)
• M80: 44,995,000 km (0.103 R)
• M81: 45,436,015 km (0.09 R)
• M82: 48,337,466 km (0.071 R)
• M83: 48,939,896 km (0.062 R)
• M84: 49,166,537 km (0.088 R)
• M85: 50,609,708 km (0.115 R)
• M86: 51,144,969 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.3

Radius: 6.8

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 12.36 AU - 16.02 AU

Year: 19926 Days

Day: 19.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 68,671,579 km

• M1: 95,892 km (0.099 R)
• M2: 533,616 km (0.102 R)
• M3: 761,304 km (0.071 R)
• M4: 2,384,889 km (0.094 R)
• M5: 3,007,216 km (0.089 R)
• M6: 3,448,829 km (0.096 R)
• M7: 3,754,607 km (0.107 R)
• M8: 4,515,313 km (0.114 R)
• M9: 4,598,190 km (0.082 R)
• M10: 4,807,477 km (0.112 R)
• M11: 5,409,908 km (0.12 R)
• M12: 6,497,335 km (0.12 R)
• M13: 7,699,354 km (0.103 R)
• M14: 8,351,152 km (0.072 R)
• M15: 8,761,050 km (0.11 R)
• M16: 10,410,366 km (0.109 R)
• M17: 10,574,924 km (0.088 R)
• M18: 10,795,730 km (0.085 R)
• M19: 10,851,231 km (0.094 R)
• M20: 11,523,973 km (0.109 R)
• M21: 12,383,861 km (0.118 R)
• M22: 12,558,442 km (0.025 R)
• M23: 12,850,906 km (0.083 R)
• M24: 14,225,561 km (0.052 R)
• M25: 16,596,837 km (0.102 R)
• M26: 16,853,547 km (0.037 R)
• M27: 17,893,252 km (0.104 R)
• M28: 18,487,305 km (0.111 R)
• M29: 18,686,719 km (0.088 R)
• M30: 18,886,881 km (0.072 R)
• M31: 19,491,555 km (0.103 R)
• M32: 19,559,174 km (0.109 R)
• M33: 19,626,792 km (0.054 R)
• M34: 19,694,560 km (0.053 R)
• M35: 20,444,793 km (0.082 R)
• M36: 20,927,097 km (0.059 R)
• M37: 21,692,439 km (0.119 R)
• M38: 21,902,923 km (0.077 R)
• M39: 21,973,085 km (0.05 R)
• M40: 23,322,458 km (0.101 R)
• M41: 24,043,370 km (0.088 R)
• M42: 24,188,330 km (0.075 R)
• M43: 24,698,309 km (0.102 R)
• M44: 25,433,134 km (0.093 R)
• M45: 26,324,139 km (0.086 R)
• M46: 26,773,531 km (0.095 R)
• M47: 27,604,098 km (0.03 R)
• M48: 29,135,532 km (0.051 R)
• M49: 30,145,766 km (0.106 R)
• M50: 30,302,096 km (0.034 R)
• M51: 30,615,803 km (0.034 R)
• M52: 30,694,342 km (0.047 R)
• M53: 31,642,642 km (0.113 R)
• M54: 32,280,229 km (0.072 R)
• M55: 33,649,049 km (0.097 R)
• M56: 34,136,589 km (0.059 R)
• M57: 37,027,268 km (0.038 R)
• M58: 37,194,818 km (0.081 R)
• M59: 38,969,198 km (0.093 R)
• M60: 39,395,702 km (0.085 R)
• M61: 40,511,851 km (0.05 R)
• M62: 41,987,186 km (0.117 R)
• M63: 42,074,401 km (0.095 R)
• M64: 42,599,639 km (0.119 R)
• M65: 43,039,008 km (0.115 R)
• M66: 44,455,102 km (0.088 R)
• M67: 44,544,112 km (0.091 R)
• M68: 45,527,120 km (0.05 R)
• M69: 46,788,529 km (0.096 R)
• M70: 47,605,483 km (0.09 R)
• M71: 47,878,799 km (0.067 R)
• M72: 48,244,117 km (0.035 R)
• M73: 49,437,758 km (0.115 R)
• M74: 49,622,212 km (0.089 R)
• M75: 49,714,514 km (0.088 R)
• M76: 50,084,470 km (0.1 R)
• M77: 50,827,073 km (0.111 R)
• M78: 54,498,803 km (0.094 R)
• M79: 54,880,278 km (0.054 R)
• M80: 55,071,315 km (0.079 R)
• M81: 55,837,704 km (0.117 R)
• M82: 56,318,512 km (0.081 R)
• M83: 56,993,797 km (0.12 R)
• M84: 58,645,208 km (0.067 R)
• M85: 59,133,794 km (0.094 R)
• M86: 59,329,768 km (0.085 R)
• M87: 59,525,741 km (0.025 R)
• M88: 61,003,169 km (0.06 R)
• M89: 65,608,390 km (0.089 R)
• M90: 65,709,818 km (0.062 R)
• M91: 66,828,062 km (0.069 R)
• M92: 67,440,665 km (0.096 R)
• M93: 67,747,789 km (0.052 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: 315 - 10,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit