🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.64 AU - 0.8 AU

Year: 221 Days

Day: 23.4 Hours

Environment

Temp: 142 °C

Axial Tilt: 7.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,868,750 km

• M1: 174,282 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.74 AU - 0.82 AU

Year: 249 Days

Day: 28.9 Hours

Environment

Temp: 116 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.71 AU - 0.93 AU

Year: 269 Days

Day: 28.4 Hours

Environment

Temp: 133 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.77 AU - 1.13 AU

Year: 335 Days

Day: 34.7 Hours

Environment

Temp: 99 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.95 AU - 1.31 AU

Year: 434 Days

Day: 24.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.72 AU - 2.38 AU

Year: 1062 Days

Day: 32.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 124.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,868,750 km

• M1: 860,786 km (0.111 R)
• M2: 1,159,533 km (0.084 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.97 AU - 4.93 AU

Year: 3395 Days

Day: 24.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.1

Radius: 12.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.79 AU - 6.91 AU

Year: 5117 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 64,868,750 km

• M1: 179,368 km (0.086 R)
• M2: 291,267 km (0.05 R)
• M3: 389,254 km (0.037 R)
• M4: 942,167 km (0.064 R)
• M5: 1,065,436 km (0.056 R)
• M6: 1,238,970 km (0.108 R)
• M7: 1,681,181 km (0.054 R)
• M8: 1,990,998 km (0.104 R)
• M9: 2,208,065 km (0.04 R)
• M10: 2,509,504 km (0.092 R)
• M11: 2,784,465 km (0.112 R)
• M12: 2,925,686 km (0.082 R)
• M13: 3,342,615 km (0.116 R)
• M14: 3,514,652 km (0.086 R)
• M15: 3,800,833 km (0.116 R)
• M16: 4,026,127 km (0.101 R)
• M17: 4,163,309 km (0.112 R)
• M18: 4,255,760 km (0.086 R)
• M19: 4,395,784 km (0.027 R)
• M20: 4,656,383 km (0.075 R)
• M21: 5,192,991 km (0.11 R)
• M22: 5,342,738 km (0.055 R)
• M23: 5,800,807 km (0.093 R)
• M24: 6,034,629 km (0.071 R)
• M25: 6,271,592 km (0.115 R)
• M26: 6,351,327 km (0.107 R)
• M27: 6,431,362 km (0.103 R)
• M28: 6,946,128 km (0.111 R)
• M29: 7,166,785 km (0.089 R)
• M30: 7,671,977 km (0.103 R)
• M31: 7,900,264 km (0.056 R)
• M32: 8,451,382 km (0.07 R)
• M33: 8,865,619 km (0.117 R)
• M34: 9,960,974 km (0.114 R)
• M35: 10,147,672 km (0.102 R)
• M36: 10,651,219 km (0.032 R)
• M37: 11,162,993 km (0.109 R)
• M38: 12,210,777 km (0.078 R)
• M39: 12,444,149 km (0.115 R)
• M40: 12,915,383 km (0.081 R)
• M41: 13,598,746 km (0.036 R)
• M42: 14,049,185 km (0.054 R)
• M43: 14,504,561 km (0.117 R)
• M44: 15,143,194 km (0.089 R)
• M45: 16,045,419 km (0.086 R)
• M46: 16,890,946 km (0.077 R)
• M47: 17,002,247 km (0.119 R)
• M48: 17,113,847 km (0.067 R)
• M49: 17,750,835 km (0.053 R)
• M50: 17,939,627 km (0.083 R)
• M51: 18,586,638 km (0.083 R)
• M52: 18,778,422 km (0.119 R)
• M53: 19,435,307 km (0.057 R)
• M54: 19,942,892 km (0.099 R)
• M55: 20,217,853 km (0.104 R)
• M56: 20,336,185 km (0.095 R)
• M57: 20,970,779 km (0.105 R)
• M58: 21,050,664 km (0.039 R)
• M59: 21,250,527 km (0.106 R)
• M60: 21,370,804 km (0.112 R)
• M61: 21,732,980 km (0.108 R)
• M62: 23,037,025 km (0.03 R)
• M63: 23,657,108 km (0.05 R)
• M64: 23,989,963 km (0.032 R)
• M65: 24,660,461 km (0.109 R)
• M66: 24,913,581 km (0.095 R)
• M67: 24,998,103 km (0.094 R)
• M68: 25,464,699 km (0.049 R)
• M69: 25,677,876 km (0.114 R)
• M70: 25,848,717 km (0.115 R)
• M71: 26,105,726 km (0.059 R)
• M72: 26,708,905 km (0.107 R)
• M73: 27,753,397 km (0.091 R)
• M74: 28,280,729 km (0.074 R)
• M75: 28,501,386 km (0.048 R)
• M76: 29,389,848 km (0.089 R)
• M77: 29,702,956 km (0.11 R)
• M78: 29,837,445 km (0.088 R)
• M79: 29,927,353 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285

Radius: 13.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.76 AU - 8.08 AU

Year: 8061 Days

Day: 7.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 64,868,750 km

• M1: 203,453 km (0.055 R)
• M2: 289,771 km (0.089 R)
• M3: 387,309 km (0.066 R)
• M4: 533,466 km (0.097 R)
• M5: 666,907 km (0.118 R)
• M6: 918,381 km (0.068 R)
• M7: 1,084,734 km (0.12 R)
• M8: 1,465,311 km (0.087 R)
• M9: 1,922,931 km (0.107 R)
• M10: 2,085,544 km (0.11 R)
• M11: 2,502,324 km (0.112 R)
• M12: 2,640,702 km (0.053 R)
• M13: 2,987,320 km (0.107 R)
• M14: 3,769,567 km (0.109 R)
• M15: 4,396,831 km (0.106 R)
• M16: 4,759,606 km (0.086 R)
• M17: 4,857,892 km (0.086 R)
• M18: 5,106,972 km (0.069 R)
• M19: 5,721,819 km (0.077 R)
• M20: 6,306,149 km (0.113 R)
• M21: 7,161,848 km (0.092 R)
• M22: 7,762,334 km (0.106 R)
• M23: 9,072,812 km (0.103 R)
• M24: 9,349,418 km (0.077 R)
• M25: 9,597,601 km (0.115 R)
• M26: 9,942,274 km (0.046 R)
• M27: 10,419,043 km (0.081 R)
• M28: 11,000,979 km (0.117 R)
• M29: 11,295,986 km (0.091 R)
• M30: 11,427,931 km (0.093 R)
• M31: 11,527,264 km (0.093 R)
• M32: 11,693,467 km (0.111 R)
• M33: 11,960,948 km (0.118 R)
• M34: 12,061,777 km (0.046 R)
• M35: 12,162,905 km (0.116 R)
• M36: 12,433,977 km (0.115 R)
• M37: 12,570,260 km (0.056 R)
• M38: 13,224,452 km (0.1 R)
• M39: 14,926,277 km (0.03 R)
• M40: 15,034,885 km (0.114 R)
• M41: 15,143,792 km (0.096 R)
• M42: 15,545,463 km (0.094 R)
• M43: 15,950,574 km (0.071 R)
• M44: 16,359,275 km (0.099 R)
• M45: 16,997,609 km (0.065 R)
• M46: 17,300,844 km (0.11 R)
• M47: 17,414,987 km (0.101 R)
• M48: 18,726,512 km (0.056 R)
• M49: 19,315,179 km (0.109 R)
• M50: 20,350,098 km (0.077 R)
• M51: 21,321,287 km (0.113 R)
• M52: 21,689,447 km (0.072 R)
• M53: 21,812,566 km (0.064 R)
• M54: 22,183,569 km (0.048 R)
• M55: 22,723,019 km (0.092 R)
• M56: 23,857,270 km (0.084 R)
• M57: 24,367,399 km (0.066 R)
• M58: 24,580,875 km (0.073 R)
• M59: 24,880,968 km (0.117 R)
• M60: 25,268,576 km (0.101 R)
• M61: 25,614,746 km (0.117 R)
• M62: 25,875,495 km (0.086 R)
• M63: 27,015,431 km (0.07 R)
• M64: 27,147,974 km (0.101 R)
• M65: 28,171,523 km (0.082 R)
• M66: 28,261,132 km (0.096 R)
• M67: 28,440,650 km (0.087 R)
• M68: 28,665,645 km (0.071 R)
• M69: 28,800,881 km (0.092 R)
• M70: 29,117,281 km (0.085 R)
• M71: 29,298,593 km (0.119 R)
• M72: 30,027,584 km (0.108 R)
• M73: 30,670,406 km (0.062 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.3

Radius: 10.8

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 10.41 AU - 14.67 AU

Year: 16060 Days

Day: 12 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 64,868,750 km

• M1: 180,565 km (0.094 R)
• M2: 487,689 km (0.087 R)
• M3: 613,800 km (0.111 R)
• M4: 1,038,508 km (0.104 R)
• M5: 2,120,251 km (0.044 R)
• M6: 2,212,104 km (0.054 R)
• M7: 2,431,863 km (0.114 R)
• M8: 3,203,638 km (0.068 R)
• M9: 3,598,278 km (0.058 R)
• M10: 4,512,470 km (0.111 R)
• M11: 4,591,907 km (0.096 R)
• M12: 4,671,792 km (0.112 R)
• M13: 4,913,991 km (0.079 R)
• M14: 5,036,811 km (0.115 R)
• M15: 5,327,180 km (0.111 R)
• M16: 5,580,449 km (0.092 R)
• M17: 5,708,505 km (0.05 R)
• M18: 6,319,463 km (0.111 R)
• M19: 6,453,203 km (0.063 R)
• M20: 7,274,795 km (0.045 R)
• M21: 7,603,162 km (0.12 R)
• M22: 7,936,616 km (0.115 R)
• M23: 8,032,658 km (0.044 R)
• M24: 9,216,276 km (0.103 R)
• M25: 10,506,408 km (0.119 R)
• M26: 11,199,495 km (0.084 R)
• M27: 11,307,505 km (0.114 R)
• M28: 11,470,118 km (0.114 R)
• M29: 12,183,550 km (0.056 R)
• M30: 12,798,547 km (0.069 R)
• M31: 13,081,436 km (0.093 R)
• M32: 13,423,716 km (0.086 R)
• M33: 13,595,903 km (0.091 R)
• M34: 13,711,094 km (0.114 R)
• M35: 14,058,759 km (0.086 R)
• M36: 14,881,099 km (0.088 R)
• M37: 15,059,419 km (0.079 R)
• M38: 15,719,146 km (0.05 R)
• M39: 16,388,297 km (0.078 R)
• M40: 17,066,723 km (0.076 R)
• M41: 19,027,952 km (0.075 R)
• M42: 19,221,382 km (0.119 R)
• M43: 19,936,759 km (0.072 R)
• M44: 20,330,650 km (0.077 R)
• M45: 20,528,568 km (0.109 R)
• M46: 21,393,393 km (0.071 R)
• M47: 21,729,240 km (0.068 R)
• M48: 21,999,264 km (0.102 R)
• M49: 22,338,253 km (0.06 R)
• M50: 22,678,888 km (0.07 R)
• M51: 23,090,132 km (0.111 R)
• M52: 24,268,365 km (0.058 R)
• M53: 26,466,855 km (0.118 R)
• M54: 26,755,280 km (0.085 R)
• M55: 27,992,155 km (0.093 R)
• M56: 28,654,575 km (0.108 R)
• M57: 28,950,629 km (0.067 R)
• M58: 30,295,364 km (0.088 R)
• M59: 31,889,928 km (0.076 R)
• M60: 32,120,009 km (0.087 R)
• M61: 32,427,582 km (0.115 R)
• M62: 32,658,861 km (0.114 R)
• M63: 33,200,704 km (0.111 R)
• M64: 33,511,718 km (0.05 R)
• M65: 35,160,137 km (0.088 R)
• M66: 35,239,274 km (0.079 R)
• M67: 35,874,617 km (0.08 R)
• M68: 35,954,352 km (0.108 R)
• M69: 36,034,088 km (0.086 R)
• M70: 36,353,629 km (0.108 R)
• M71: 38,290,772 km (0.105 R)
• M72: 38,698,576 km (0.119 R)
• M73: 40,675,960 km (0.111 R)
• M74: 41,760,844 km (0.081 R)
• M75: 42,012,468 km (0.097 R)
• M76: 44,214,847 km (0.077 R)
• M77: 45,330,100 km (0.059 R)
• M78: 45,588,754 km (0.089 R)
• M79: 45,675,072 km (0.114 R)
• M80: 47,413,100 km (0.083 R)
• M81: 48,026,601 km (0.079 R)
• M82: 50,506,485 km (0.089 R)
• M83: 53,482,436 km (0.072 R)
• M84: 55,866,726 km (0.067 R)
• M85: 56,978,987 km (0.108 R)
• M86: 58,566,968 km (0.079 R)
• M87: 58,660,915 km (0.069 R)
• M88: 60,643,686 km (0.116 R)
• M89: 60,738,531 km (0.106 R)
• M90: 61,691,020 km (0.108 R)
• M91: 63,417,679 km (0.116 R)
• M92: 64,190,202 km (0.115 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 15,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit