🌌 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: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.45 AU - 0.67 AU

Year: 147 Days

Day: 23 Hours

Environment

Temp: 178 °C

Axial Tilt: 41.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.57 AU - 0.59 AU

Year: 155 Days

Day: 26.1 Hours

Environment

Temp: 241 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,060,942 km

• M1: 189,391 km (0.046 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.66 AU - 0.84 AU

Year: 228 Days

Day: 40.4 Hours

Environment

Temp: 147 °C

Axial Tilt: 42.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 57,060,942 km

• M1: 263,442 km (0.083 R)
• M2: 350,358 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.98 AU - 1.44 AU

Year: 468 Days

Day: 23.4 Hours

Environment

Temp: 32 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 57,060,942 km

• M1: 32,463 km (0.087 R)
• M2: 55,351 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.03 AU - 1.67 AU

Year: 551 Days

Day: 19.9 Hours

Environment

Temp: 7 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.6

Radius: 14.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.33 AU - 6.91 AU

Year: 4683 Days

Day: 7.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 57,060,942 km

• M1: 202,855 km (0.099 R)
• M2: 318,943 km (0.069 R)
• M3: 508,932 km (0.114 R)
• M4: 1,087,427 km (0.097 R)
• M5: 1,196,783 km (0.105 R)
• M6: 1,779,616 km (0.074 R)
• M7: 1,933,104 km (0.053 R)
• M8: 2,113,968 km (0.107 R)
• M9: 2,324,601 km (0.115 R)
• M10: 2,432,611 km (0.098 R)
• M11: 2,542,266 km (0.098 R)
• M12: 2,653,717 km (0.053 R)
• M13: 2,805,110 km (0.114 R)
• M14: 2,907,584 km (0.101 R)
• M15: 3,156,066 km (0.099 R)
• M16: 3,276,343 km (0.117 R)
• M17: 3,466,631 km (0.089 R)
• M18: 3,577,035 km (0.09 R)
• M19: 3,674,572 km (0.113 R)
• M20: 3,787,220 km (0.096 R)
• M21: 4,146,703 km (0.115 R)
• M22: 4,264,138 km (0.08 R)
• M23: 4,517,556 km (0.092 R)
• M24: 4,837,397 km (0.108 R)
• M25: 5,023,496 km (0.108 R)
• M26: 5,291,426 km (0.107 R)
• M27: 5,403,176 km (0.088 R)
• M28: 5,645,076 km (0.064 R)
• M29: 5,956,987 km (0.032 R)
• M30: 6,056,619 km (0.083 R)
• M31: 6,257,529 km (0.114 R)
• M32: 6,375,861 km (0.12 R)
• M33: 6,700,638 km (0.06 R)
• M34: 6,926,082 km (0.115 R)
• M35: 7,171,722 km (0.119 R)
• M36: 7,277,936 km (0.118 R)
• M37: 7,402,402 km (0.117 R)
• M38: 7,527,765 km (0.027 R)
• M39: 8,387,055 km (0.087 R)
• M40: 8,536,354 km (0.032 R)
• M41: 8,818,944 km (0.073 R)
• M42: 8,932,788 km (0.07 R)
• M43: 9,066,229 km (0.084 R)
• M44: 9,296,610 km (0.099 R)
• M45: 9,470,742 km (0.064 R)
• M46: 9,822,147 km (0.063 R)
• M47: 10,158,144 km (0.112 R)
• M48: 10,357,409 km (0.108 R)
• M49: 10,861,553 km (0.1 R)
• M50: 11,085,950 km (0.061 R)
• M51: 11,229,564 km (0.051 R)
• M52: 11,456,504 km (0.103 R)
• M53: 12,294,551 km (0.059 R)
• M54: 12,507,130 km (0.081 R)
• M55: 13,391,553 km (0.103 R)
• M56: 13,654,246 km (0.091 R)
• M57: 13,918,735 km (0.105 R)
• M58: 14,273,881 km (0.106 R)
• M59: 14,654,607 km (0.055 R)
• M60: 15,016,036 km (0.09 R)
• M61: 15,403,345 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.5

Radius: 3.5

Gravity: 25.1 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 11.91 AU - 17.07 AU

Year: 19386 Days

Day: 22.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 57,060,942 km

• M1: 63,729 km (0.114 R)
• M2: 100,530 km (0.104 R)
• M3: 128,056 km (0.06 R)
• M4: 339,737 km (0.106 R)
• M5: 465,848 km (0.085 R)
• M6: 624,571 km (0.098 R)
• M7: 1,168,060 km (0.037 R)
• M8: 1,357,900 km (0.11 R)
• M9: 1,456,485 km (0.115 R)
• M10: 2,123,691 km (0.047 R)
• M11: 2,267,156 km (0.076 R)
• M12: 2,503,072 km (0.078 R)
• M13: 2,685,282 km (0.053 R)
• M14: 3,062,268 km (0.1 R)
• M15: 3,094,582 km (0.084 R)
• M16: 3,159,208 km (0.102 R)
• M17: 3,289,956 km (0.055 R)
• M18: 3,624,457 km (0.092 R)
• M19: 3,899,867 km (0.086 R)
• M20: 4,146,255 km (0.056 R)
• M21: 4,397,878 km (0.08 R)
• M22: 4,765,590 km (0.084 R)
• M23: 4,802,989 km (0.03 R)
• M24: 5,374,453 km (0.094 R)
• M25: 5,927,068 km (0.113 R)
• M26: 6,580,511 km (0.061 R)
• M27: 7,170,675 km (0.105 R)
• M28: 8,310,910 km (0.109 R)
• M29: 8,673,086 km (0.108 R)
• M30: 9,412,399 km (0.099 R)
• M31: 10,558,917 km (0.084 R)
• M32: 11,447,229 km (0.083 R)
• M33: 12,001,788 km (0.098 R)
• M34: 13,346,972 km (0.114 R)
• M35: 15,012,146 km (0.095 R)
• M36: 15,397,211 km (0.104 R)
• M37: 15,618,616 km (0.087 R)
• M38: 16,064,717 km (0.106 R)
• M39: 17,026,332 km (0.12 R)
• M40: 17,083,478 km (0.11 R)
• M41: 17,890,260 km (0.119 R)
• M42: 18,415,498 km (0.096 R)
• M43: 18,591,575 km (0.092 R)
• M44: 19,301,865 km (0.103 R)
• M45: 19,600,463 km (0.081 R)
• M46: 20,262,732 km (0.071 R)
• M47: 20,809,961 km (0.102 R)
• M48: 21,794,914 km (0.062 R)
• M49: 22,230,543 km (0.092 R)
• M50: 22,418,139 km (0.09 R)
• M51: 22,606,183 km (0.116 R)
• M52: 22,794,826 km (0.078 R)
• M53: 23,618,213 km (0.106 R)
• M54: 24,386,996 km (0.115 R)
• M55: 24,709,679 km (0.116 R)
• M56: 25,163,858 km (0.079 R)
• M57: 26,808,238 km (0.056 R)
• M58: 27,744,122 km (0.086 R)
• M59: 28,013,548 km (0.114 R)
• M60: 29,304,876 km (0.07 R)
• M61: 30,615,503 km (0.106 R)
• M62: 30,824,192 km (0.114 R)
• M63: 31,453,102 km (0.095 R)
• M64: 32,015,590 km (0.056 R)
• M65: 33,507,978 km (0.114 R)
• M66: 34,371,008 km (0.083 R)
• M67: 34,515,520 km (0.066 R)
• M68: 35,022,956 km (0.079 R)
• M69: 37,151,584 km (0.116 R)
• M70: 37,374,036 km (0.095 R)
• M71: 37,597,086 km (0.118 R)
• M72: 37,746,086 km (0.038 R)
• M73: 38,794,019 km (0.094 R)
• M74: 39,321,501 km (0.115 R)
• M75: 39,699,834 km (0.117 R)
• M76: 40,459,941 km (0.087 R)
• M77: 40,688,975 km (0.087 R)
• M78: 41,763,238 km (0.071 R)
• M79: 41,994,665 km (0.098 R)
• M80: 42,071,858 km (0.118 R)
• M81: 42,536,359 km (0.103 R)
• M82: 43,236,029 km (0.092 R)
• M83: 44,883,700 km (0.03 R)
• M84: 45,041,675 km (0.041 R)
• M85: 46,551,716 km (0.058 R)
• M86: 48,320,711 km (0.091 R)
• M87: 50,686,003 km (0.108 R)
• M88: 51,180,124 km (0.103 R)
• M89: 51,758,619 km (0.109 R)
• M90: 53,506,820 km (0.114 R)
• M91: 55,867,774 km (0.112 R)
• M92: 56,548,594 km (0.048 R)
• M93: 56,889,976 km (0.087 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 13,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit