🌌 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: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.42 AU - 0.68 AU

Year: 155 Days

Day: 28.2 Hours

Environment

Temp: 190 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.84 AU - 0.86 AU

Year: 298 Days

Day: 14.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 0.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.94 AU - 1.08 AU

Year: 387 Days

Day: 18.6 Hours

Environment

Temp: 16 °C

Axial Tilt: 23.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.33 AU - 1.43 AU

Year: 617 Days

Day: 46.5 Hours

Environment

Temp: -41 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.22 AU - 1.58 AU

Year: 631 Days

Day: 26.7 Hours

Environment

Temp: -37 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,778,303 km

• M1: 642,972 km (0.103 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.47 AU - 2.91 AU

Year: 1680 Days

Day: 44.4 Hours

Environment

Temp: -97 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.5

Radius: 12.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.34 AU - 5.4 AU

Year: 4739 Days

Day: 8 Hours

Environment

Temp: -142 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 76,778,303 km

• M1: 157,227 km (0.109 R)
• M2: 256,112 km (0.114 R)
• M3: 369,656 km (0.091 R)
• M4: 462,407 km (0.1 R)
• M5: 590,612 km (0.074 R)
• M6: 1,034,170 km (0.041 R)
• M7: 1,121,236 km (0.045 R)
• M8: 1,422,526 km (0.046 R)
• M9: 1,659,489 km (0.116 R)
• M10: 1,842,447 km (0.109 R)
• M11: 1,936,544 km (0.112 R)
• M12: 2,115,613 km (0.1 R)
• M13: 2,520,575 km (0.068 R)
• M14: 2,701,588 km (0.083 R)
• M15: 2,981,486 km (0.112 R)
• M16: 3,671,132 km (0.04 R)
• M17: 3,825,367 km (0.089 R)
• M18: 4,034,355 km (0.053 R)
• M19: 4,391,296 km (0.111 R)
• M20: 4,776,959 km (0.109 R)
• M21: 5,002,403 km (0.098 R)
• M22: 5,212,139 km (0.113 R)
• M23: 5,347,226 km (0.112 R)
• M24: 5,679,932 km (0.045 R)
• M25: 6,263,364 km (0.066 R)
• M26: 6,760,627 km (0.118 R)
• M27: 7,443,691 km (0.113 R)
• M28: 7,530,607 km (0.117 R)
• M29: 7,771,460 km (0.077 R)
• M30: 7,970,425 km (0.068 R)
• M31: 8,350,852 km (0.106 R)
• M32: 8,645,859 km (0.1 R)
• M33: 9,152,847 km (0.035 R)
• M34: 9,456,979 km (0.113 R)
• M35: 9,551,375 km (0.107 R)
• M36: 9,669,558 km (0.12 R)
• M37: 9,812,124 km (0.114 R)
• M38: 10,075,417 km (0.068 R)
• M39: 10,171,758 km (0.088 R)
• M40: 10,511,195 km (0.085 R)
• M41: 10,780,621 km (0.114 R)
• M42: 11,027,607 km (0.054 R)
• M43: 11,476,700 km (0.039 R)
• M44: 11,703,490 km (0.087 R)
• M45: 11,957,358 km (0.082 R)
• M46: 12,341,525 km (0.067 R)
• M47: 12,470,479 km (0.087 R)
• M48: 12,729,732 km (0.048 R)
• M49: 13,148,306 km (0.043 R)
• M50: 13,332,761 km (0.114 R)
• M51: 13,571,369 km (0.116 R)
• M52: 13,731,140 km (0.1 R)
• M53: 14,160,336 km (0.111 R)
• M54: 14,949,614 km (0.12 R)
• M55: 15,032,192 km (0.117 R)
• M56: 15,446,728 km (0.106 R)
• M57: 15,558,029 km (0.107 R)
• M58: 15,697,305 km (0.11 R)
• M59: 15,781,229 km (0.092 R)
• M60: 15,949,377 km (0.082 R)
• M61: 16,230,920 km (0.101 R)
• M62: 16,315,593 km (0.066 R)
• M63: 16,570,807 km (0.077 R)
• M64: 16,856,090 km (0.04 R)
• M65: 17,489,038 km (0.105 R)
• M66: 17,575,955 km (0.041 R)
• M67: 17,750,386 km (0.085 R)
• M68: 18,453,346 km (0.119 R)
• M69: 18,808,192 km (0.067 R)
• M70: 18,986,513 km (0.118 R)
• M71: 20,280,834 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 14.5

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.99 AU - 9.21 AU

Year: 7978 Days

Day: 13.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 76,778,303 km

• M1: 181,462 km (0.037 R)
• M2: 364,121 km (0.093 R)
• M3: 1,408,314 km (0.107 R)
• M4: 1,597,107 km (0.072 R)
• M5: 2,314,429 km (0.105 R)
• M6: 2,837,124 km (0.059 R)
• M7: 2,946,180 km (0.118 R)
• M8: 3,583,019 km (0.106 R)
• M9: 3,796,794 km (0.12 R)
• M10: 3,990,523 km (0.076 R)
• M11: 4,262,343 km (0.117 R)
• M12: 4,668,650 km (0.077 R)
• M13: 4,798,202 km (0.101 R)
• M14: 5,355,753 km (0.054 R)
• M15: 5,518,965 km (0.09 R)
• M16: 6,159,692 km (0.083 R)
• M17: 6,474,596 km (0.069 R)
• M18: 6,794,885 km (0.105 R)
• M19: 6,942,239 km (0.097 R)
• M20: 7,390,584 km (0.104 R)
• M21: 7,633,531 km (0.111 R)
• M22: 8,127,652 km (0.081 R)
• M23: 8,347,112 km (0.097 R)
• M24: 8,791,867 km (0.107 R)
• M25: 9,081,937 km (0.075 R)
• M26: 9,211,938 km (0.076 R)
• M27: 9,605,530 km (0.088 R)
• M28: 9,971,296 km (0.099 R)
• M29: 10,071,826 km (0.095 R)
• M30: 10,922,739 km (0.077 R)
• M31: 11,339,369 km (0.089 R)
• M32: 11,867,749 km (0.112 R)
• M33: 12,260,144 km (0.105 R)
• M34: 12,584,622 km (0.028 R)
• M35: 12,802,436 km (0.06 R)
• M36: 13,058,099 km (0.109 R)
• M37: 13,241,805 km (0.093 R)
• M38: 13,352,508 km (0.105 R)
• M39: 14,972,054 km (0.111 R)
• M40: 15,202,884 km (0.09 R)
• M41: 17,334,055 km (0.095 R)
• M42: 17,983,310 km (0.082 R)
• M43: 19,222,279 km (0.107 R)
• M44: 20,105,804 km (0.118 R)
• M45: 20,531,261 km (0.109 R)
• M46: 20,830,905 km (0.109 R)
• M47: 21,738,366 km (0.083 R)
• M48: 22,131,210 km (0.097 R)
• M49: 22,570,579 km (0.103 R)
• M50: 22,702,823 km (0.058 R)
• M51: 22,924,079 km (0.062 R)
• M52: 23,815,981 km (0.12 R)
• M53: 24,992,269 km (0.115 R)
• M54: 26,141,181 km (0.089 R)
• M55: 26,373,057 km (0.026 R)
• M56: 27,448,517 km (0.054 R)
• M57: 28,110,038 km (0.094 R)
• M58: 28,252,455 km (0.108 R)
• M59: 28,824,817 km (0.073 R)
• M60: 29,160,365 km (0.118 R)
• M61: 29,642,070 km (0.104 R)
• M62: 30,223,407 km (0.076 R)
• M63: 30,466,803 km (0.11 R)
• M64: 31,990,457 km (0.07 R)
• M65: 33,086,711 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.2

Radius: 4.2

Gravity: 43.95 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 12.41 AU - 14.75 AU

Year: 19057 Days

Day: 17.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 76,778,303 km

• M1: 128,953 km (0.08 R)
• M2: 207,492 km (0.08 R)
• M3: 431,141 km (0.109 R)
• M4: 666,010 km (0.11 R)
• M5: 1,041,949 km (0.084 R)
• M6: 1,096,403 km (0.118 R)
• M7: 1,294,470 km (0.095 R)
• M8: 2,263,416 km (0.075 R)
• M9: 2,737,641 km (0.11 R)
• M10: 2,775,489 km (0.12 R)
• M11: 2,813,338 km (0.085 R)
• M12: 3,044,466 km (0.085 R)
• M13: 3,524,825 km (0.098 R)
• M14: 3,815,793 km (0.026 R)
• M15: 4,465,048 km (0.103 R)
• M16: 4,870,907 km (0.113 R)
• M17: 5,335,558 km (0.113 R)
• M18: 5,430,104 km (0.099 R)
• M19: 5,911,659 km (0.109 R)
• M20: 6,206,965 km (0.093 R)
• M21: 6,812,089 km (0.085 R)
• M22: 7,173,816 km (0.09 R)
• M23: 7,278,236 km (0.102 R)
• M24: 8,077,687 km (0.08 R)
• M25: 9,017,012 km (0.116 R)
• M26: 9,642,929 km (0.119 R)
• M27: 11,056,629 km (0.081 R)
• M28: 11,481,038 km (0.099 R)
• M29: 12,096,484 km (0.063 R)
• M30: 14,136,849 km (0.113 R)
• M31: 15,196,301 km (0.12 R)
• M32: 15,735,452 km (0.105 R)
• M33: 16,212,520 km (0.117 R)
• M34: 18,309,732 km (0.117 R)
• M35: 18,883,141 km (0.088 R)
• M36: 19,462,533 km (0.109 R)
• M37: 19,754,399 km (0.08 R)
• M38: 20,638,821 km (0.096 R)
• M39: 20,861,872 km (0.101 R)
• M40: 22,445,665 km (0.113 R)
• M41: 22,905,379 km (0.101 R)
• M42: 24,381,162 km (0.067 R)
• M43: 24,695,766 km (0.032 R)
• M44: 26,449,951 km (0.104 R)
• M45: 27,832,684 km (0.091 R)
• M46: 28,905,749 km (0.115 R)
• M47: 29,740,505 km (0.111 R)
• M48: 30,245,099 km (0.058 R)
• M49: 33,680,614 km (0.113 R)
• M50: 34,911,954 km (0.06 R)
• M51: 36,247,564 km (0.086 R)
• M52: 37,781,241 km (0.05 R)
• M53: 37,963,003 km (0.111 R)
• M54: 38,510,232 km (0.107 R)
• M55: 38,968,301 km (0.116 R)
• M56: 40,260,228 km (0.037 R)
• M57: 42,318,844 km (0.111 R)
• M58: 42,602,182 km (0.11 R)
• M59: 44,507,162 km (0.091 R)
• M60: 44,699,245 km (0.118 R)
• M61: 45,084,161 km (0.047 R)
• M62: 45,954,072 km (0.074 R)
• M63: 47,710,651 km (0.093 R)
• M64: 51,994,984 km (0.098 R)
• M65: 53,212,262 km (0.096 R)
• M66: 53,926,741 km (0.047 R)
• M67: 55,365,274 km (0.103 R)
• M68: 56,192,850 km (0.101 R)
• M69: 56,608,133 km (0.077 R)
• M70: 57,024,464 km (0.07 R)
• M71: 57,546,411 km (0.105 R)
• M72: 58,174,722 km (0.112 R)
• M73: 58,700,110 km (0.119 R)
• M74: 59,121,527 km (0.089 R)
• M75: 59,438,226 km (0.053 R)
• M76: 59,755,523 km (0.084 R)
• M77: 60,179,483 km (0.075 R)
• M78: 62,851,601 km (0.073 R)
• M79: 64,581,850 km (0.103 R)
• M80: 64,690,607 km (0.085 R)
• M81: 65,780,577 km (0.102 R)
• M82: 66,547,266 km (0.116 R)
• M83: 67,537,156 km (0.044 R)
• M84: 67,757,812 km (0.063 R)
• M85: 68,089,321 km (0.115 R)
• M86: 69,866,095 km (0.052 R)
• M87: 70,760,092 km (0.112 R)
• M88: 73,238,330 km (0.11 R)
• M89: 75,058,488 km (0.1 R)
• M90: 75,172,780 km (0.102 R)
• M91: 76,088,768 km (0.094 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: 456 - 16,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit