🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.48 AU - 0.58 AU

Year: 135 Days

Day: 24 Hours

Environment

Temp: 206 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,642,390 km

• M1: 62,083 km (0.052 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.52 AU - 0.64 AU

Year: 155 Days

Day: 22.1 Hours

Environment

Temp: 212 °C

Axial Tilt: 111 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,642,390 km

• M1: 67,618 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.86 AU - 1.04 AU

Year: 324 Days

Day: 16.6 Hours

Environment

Temp: 103 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 78,642,390 km

• M1: 88,861 km (0.071 R)
• M2: 171,439 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.91 AU - 1.13 AU

Year: 360 Days

Day: 43 Hours

Environment

Temp: 123 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,642,390 km

• M1: 114,592 km (0.109 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.13 AU - 1.41 AU

Year: 501 Days

Day: 27.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 17.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.26 AU - 1.34 AU

Year: 519 Days

Day: 47.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 7 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.62 AU - 3.44 AU

Year: 1845 Days

Day: 46.3 Hours

Environment

Temp: -86 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.46 AU - 6.52 AU

Year: 4500 Days

Day: 30.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,642,390 km

• M1: 878,887 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.5

Radius: 11.1

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.31 AU - 10.73 AU

Year: 11096 Days

Day: 14.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 78,642,390 km

• M1: 181,163 km (0.097 R)
• M2: 314,305 km (0.076 R)
• M3: 669,301 km (0.113 R)
• M4: 1,217,427 km (0.092 R)
• M5: 1,434,344 km (0.103 R)
• M6: 1,593,816 km (0.119 R)
• M7: 1,832,275 km (0.106 R)
• M8: 1,930,860 km (0.101 R)
• M9: 2,397,306 km (0.117 R)
• M10: 2,699,494 km (0.036 R)
• M11: 2,956,054 km (0.105 R)
• M12: 3,220,543 km (0.103 R)
• M13: 3,401,257 km (0.111 R)
• M14: 3,523,628 km (0.058 R)
• M15: 3,804,423 km (0.053 R)
• M16: 4,255,760 km (0.091 R)
• M17: 4,487,787 km (0.109 R)
• M18: 4,622,275 km (0.062 R)
• M19: 5,068,825 km (0.108 R)
• M20: 6,003,213 km (0.028 R)
• M21: 6,077,264 km (0.086 R)
• M22: 6,681,041 km (0.111 R)
• M23: 6,990,110 km (0.111 R)
• M24: 7,582,368 km (0.071 R)
• M25: 7,662,553 km (0.078 R)
• M26: 8,272,912 km (0.113 R)
• M27: 8,521,544 km (0.09 R)
• M28: 9,411,052 km (0.047 R)
• M29: 10,508,203 km (0.04 R)
• M30: 10,777,479 km (0.115 R)
• M31: 11,599,221 km (0.087 R)
• M32: 11,831,097 km (0.117 R)
• M33: 11,970,971 km (0.061 R)
• M34: 12,583,275 km (0.045 R)
• M35: 13,109,411 km (0.118 R)
• M36: 13,789,483 km (0.042 R)
• M37: 14,084,490 km (0.082 R)
• M38: 14,232,741 km (0.03 R)
• M39: 15,183,885 km (0.053 R)
• M40: 15,590,492 km (0.111 R)
• M41: 15,846,603 km (0.035 R)
• M42: 16,570,657 km (0.093 R)
• M43: 17,200,015 km (0.032 R)
• M44: 17,943,965 km (0.114 R)
• M45: 18,536,074 km (0.083 R)
• M46: 19,189,218 km (0.079 R)
• M47: 19,408,529 km (0.063 R)
• M48: 20,798,592 km (0.094 R)
• M49: 20,967,638 km (0.088 R)
• M50: 22,163,074 km (0.102 R)
• M51: 23,673,713 km (0.119 R)
• M52: 25,337,541 km (0.111 R)
• M53: 26,487,949 km (0.097 R)
• M54: 28,276,391 km (0.089 R)
• M55: 28,401,156 km (0.102 R)
• M56: 28,526,070 km (0.1 R)
• M57: 28,651,283 km (0.108 R)
• M58: 28,902,159 km (0.116 R)
• M59: 29,153,633 km (0.085 R)
• M60: 29,279,744 km (0.115 R)
• M61: 29,658,975 km (0.075 R)
• M62: 29,976,421 km (0.06 R)
• M63: 30,103,580 km (0.038 R)
• M64: 30,231,037 km (0.098 R)
• M65: 30,422,522 km (0.114 R)
• M66: 30,935,044 km (0.12 R)
• M67: 31,579,811 km (0.117 R)
• M68: 31,838,915 km (0.101 R)
• M69: 32,685,938 km (0.108 R)
• M70: 32,948,183 km (0.04 R)
• M71: 34,335,703 km (0.088 R)
• M72: 34,869,319 km (0.059 R)
• M73: 37,647,052 km (0.101 R)
• M74: 38,059,493 km (0.117 R)
• M75: 38,404,317 km (0.058 R)
• M76: 39,794,081 km (0.053 R)
• M77: 39,864,093 km (0.049 R)
• M78: 40,495,096 km (0.034 R)
• M79: 42,051,812 km (0.083 R)
• M80: 42,694,185 km (0.099 R)
• M81: 43,339,850 km (0.039 R)
• M82: 43,627,975 km (0.115 R)
• M83: 44,205,872 km (0.106 R)
• M84: 44,278,277 km (0.089 R)
• M85: 45,077,578 km (0.092 R)
• M86: 47,429,556 km (0.076 R)
• M87: 48,098,259 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513

Radius: 4.5

Gravity: 25.33 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 13.07 AU - 20.71 AU

Year: 24284 Days

Day: 16.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 78,642,390 km

• M1: 312,360 km (0.061 R)
• M2: 424,110 km (0.105 R)
• M3: 615,296 km (0.097 R)
• M4: 708,346 km (0.059 R)
• M5: 856,747 km (0.119 R)
• M6: 1,182,122 km (0.053 R)
• M7: 2,142,541 km (0.1 R)
• M8: 2,653,717 km (0.089 R)
• M9: 2,922,993 km (0.11 R)
• M10: 3,120,761 km (0.081 R)
• M11: 3,954,021 km (0.116 R)
• M12: 5,809,035 km (0.076 R)
• M13: 6,309,141 km (0.11 R)
• M14: 6,927,429 km (0.106 R)
• M15: 7,190,571 km (0.095 R)
• M16: 7,618,720 km (0.116 R)
• M17: 7,999,896 km (0.107 R)
• M18: 8,165,201 km (0.096 R)
• M19: 8,220,553 km (0.091 R)
• M20: 9,065,781 km (0.09 R)
• M21: 10,594,970 km (0.09 R)
• M22: 12,583,574 km (0.087 R)
• M23: 13,033,714 km (0.1 R)
• M24: 13,098,341 km (0.101 R)
• M25: 13,423,567 km (0.085 R)
• M26: 13,817,458 km (0.096 R)
• M27: 14,082,096 km (0.114 R)
• M28: 14,281,660 km (0.084 R)
• M29: 15,567,154 km (0.08 R)
• M30: 16,119,470 km (0.083 R)
• M31: 16,258,596 km (0.096 R)
• M32: 17,385,517 km (0.069 R)
• M33: 18,829,136 km (0.098 R)
• M34: 20,461,099 km (0.088 R)
• M35: 20,838,235 km (0.102 R)
• M36: 20,913,932 km (0.105 R)
• M37: 21,370,205 km (0.036 R)
• M38: 21,522,945 km (0.069 R)
• M39: 21,983,407 km (0.097 R)
• M40: 22,292,327 km (0.062 R)
• M41: 22,680,384 km (0.073 R)
• M42: 23,148,924 km (0.062 R)
• M43: 23,227,463 km (0.118 R)
• M44: 23,620,756 km (0.116 R)
• M45: 23,778,731 km (0.118 R)
• M46: 23,857,868 km (0.106 R)
• M47: 24,653,879 km (0.092 R)
• M48: 24,814,098 km (0.087 R)
• M49: 27,673,961 km (0.03 R)
• M50: 28,090,890 km (0.111 R)
• M51: 28,425,989 km (0.074 R)
• M52: 29,609,159 km (0.106 R)
• M53: 31,240,374 km (0.084 R)
• M54: 32,110,585 km (0.063 R)
• M55: 32,460,943 km (0.071 R)
• M56: 32,724,534 km (0.115 R)
• M57: 32,900,611 km (0.074 R)
• M58: 33,785,931 km (0.103 R)
• M59: 35,942,384 km (0.086 R)
• M60: 36,579,671 km (0.094 R)
• M61: 38,050,218 km (0.11 R)
• M62: 38,328,171 km (0.102 R)
• M63: 42,961,367 km (0.075 R)
• M64: 43,540,759 km (0.106 R)
• M65: 45,196,210 km (0.071 R)
• M66: 45,490,618 km (0.08 R)
• M67: 45,687,040 km (0.069 R)
• M68: 46,476,169 km (0.083 R)
• M69: 48,267,753 km (0.116 R)
• M70: 50,691,538 km (0.119 R)
• M71: 52,741,477 km (0.097 R)
• M72: 53,465,232 km (0.114 R)
• M73: 54,088,307 km (0.118 R)
• M74: 55,236,770 km (0.114 R)
• M75: 55,761,410 km (0.076 R)
• M76: 56,498,777 km (0.036 R)
• M77: 57,451,566 km (0.116 R)
• M78: 57,557,781 km (0.059 R)
• M79: 60,125,927 km (0.102 R)
• M80: 62,076,384 km (0.085 R)
• M81: 62,731,025 km (0.067 R)
• M82: 63,937,382 km (0.088 R)
• M83: 65,151,369 km (0.087 R)
• M84: 66,484,435 km (0.119 R)
• M85: 67,490,032 km (0.093 R)
• M86: 67,602,081 km (0.101 R)
• M87: 70,196,258 km (0.056 R)
• M88: 71,334,249 km (0.118 R)
• M89: 71,791,121 km (0.067 R)
• M90: 74,668,785 km (0.086 R)
• M91: 75,597,489 km (0.081 R)
• M92: 77,349,280 km (0.099 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 11,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit