🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.3 AU - 1.74 AU

Year: 668 Days

Day: 20.7 Hours

Environment

Temp: -24 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 99,578,399 km

• M1: 69,862 km (0.098 R)
• M2: 499,058 km (0.052 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.9 AU - 3.12 AU

Year: 1861 Days

Day: 36.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.74 AU - 3.48 AU

Year: 1955 Days

Day: 14.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 99,578,399 km

• M1: 627,264 km (0.101 R)
• M2: 1,774,829 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.19 AU - 3.73 AU

Year: 2294 Days

Day: 38.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.43 AU - 4.13 AU

Year: 2620 Days

Day: 19.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.69 AU - 5.43 AU

Year: 4057 Days

Day: 35.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 14.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.4

Radius: 3.1

Gravity: 98.06 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 12.43 AU - 16.71 AU

Year: 19824 Days

Day: 19 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 99,578,399 km

• M1: 77,641 km (0.062 R)
• M2: 98,735 km (0.091 R)
• M3: 177,872 km (0.084 R)
• M4: 312,959 km (0.06 R)
• M5: 453,880 km (0.069 R)
• M6: 565,779 km (0.045 R)
• M7: 711,338 km (0.114 R)
• M8: 978,669 km (0.071 R)
• M9: 1,007,093 km (0.076 R)
• M10: 1,305,391 km (0.102 R)
• M11: 1,400,086 km (0.068 R)
• M12: 2,122,345 km (0.083 R)
• M13: 2,233,646 km (0.062 R)
• M14: 3,490,418 km (0.115 R)
• M15: 3,534,100 km (0.094 R)
• M16: 3,980,051 km (0.097 R)
• M17: 4,071,306 km (0.1 R)
• M18: 5,420,230 km (0.12 R)
• M19: 5,572,371 km (0.118 R)
• M20: 5,984,663 km (0.104 R)
• M21: 6,300,314 km (0.089 R)
• M22: 6,460,234 km (0.095 R)
• M23: 6,729,660 km (0.111 R)
• M24: 6,838,418 km (0.079 R)
• M25: 7,002,676 km (0.039 R)
• M26: 7,843,566 km (0.084 R)
• M27: 8,656,481 km (0.05 R)
• M28: 11,250,957 km (0.094 R)
• M29: 11,380,060 km (0.066 R)
• M30: 11,574,686 km (0.116 R)
• M31: 12,497,406 km (0.108 R)
• M32: 13,035,061 km (0.1 R)
• M33: 13,170,746 km (0.06 R)
• M34: 13,994,133 km (0.092 R)
• M35: 15,546,660 km (0.067 R)
• M36: 15,834,635 km (0.092 R)
• M37: 16,051,852 km (0.086 R)
• M38: 16,342,969 km (0.12 R)
• M39: 17,004,491 km (0.106 R)
• M40: 17,749,638 km (0.101 R)
• M41: 19,426,031 km (0.056 R)
• M42: 19,658,507 km (0.112 R)
• M43: 20,755,657 km (0.064 R)
• M44: 21,872,405 km (0.113 R)
• M45: 22,356,953 km (0.083 R)
• M46: 22,519,267 km (0.118 R)
• M47: 23,008,601 km (0.063 R)
• M48: 23,172,561 km (0.047 R)
• M49: 26,444,565 km (0.103 R)
• M50: 27,393,165 km (0.117 R)
• M51: 28,265,171 km (0.083 R)
• M52: 28,792,803 km (0.077 R)
• M53: 31,934,508 km (0.105 R)
• M54: 33,499,302 km (0.113 R)
• M55: 33,964,252 km (0.066 R)
• M56: 34,337,648 km (0.078 R)
• M57: 34,994,532 km (0.071 R)
• M58: 35,277,422 km (0.105 R)
• M59: 35,371,818 km (0.075 R)
• M60: 36,990,018 km (0.112 R)
• M61: 40,297,926 km (0.048 R)
• M62: 42,488,039 km (0.066 R)
• M63: 43,092,115 km (0.039 R)
• M64: 45,536,395 km (0.081 R)
• M65: 46,154,533 km (0.098 R)
• M66: 46,879,186 km (0.119 R)
• M67: 47,086,827 km (0.109 R)
• M68: 48,234,692 km (0.107 R)
• M69: 50,239,154 km (0.077 R)
• M70: 51,091,114 km (0.086 R)
• M71: 51,411,851 km (0.066 R)
• M72: 52,162,982 km (0.072 R)
• M73: 52,593,675 km (0.061 R)
• M74: 54,656,031 km (0.074 R)
• M75: 56,744,567 km (0.059 R)
• M76: 60,320,554 km (0.107 R)
• M77: 61,225,921 km (0.116 R)
• M78: 61,339,465 km (0.11 R)
• M79: 61,794,093 km (0.072 R)
• M80: 62,706,790 km (0.044 R)
• M81: 66,285,021 km (0.079 R)
• M82: 67,453,381 km (0.065 R)
• M83: 68,746,355 km (0.114 R)
• M84: 70,166,338 km (0.116 R)
• M85: 70,760,690 km (0.079 R)
• M86: 71,476,367 km (0.062 R)
• M87: 71,715,424 km (0.11 R)
• M88: 72,194,287 km (0.071 R)
• M89: 72,794,473 km (0.116 R)
• M90: 73,878,759 km (0.089 R)
• M91: 74,725,932 km (0.116 R)
• M92: 76,918,887 km (0.113 R)
• M93: 77,900,398 km (0.094 R)
• M94: 79,256,653 km (0.102 R)
• M95: 83,246,129 km (0.117 R)
• M96: 84,001,448 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.6

Radius: 5.4

Gravity: 31.09 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 16.02 AU - 18.92 AU

Year: 26028 Days

Day: 22.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 99,578,399 km

• M1: 181,911 km (0.104 R)
• M2: 636,838 km (0.083 R)
• M3: 985,551 km (0.106 R)
• M4: 1,493,286 km (0.099 R)
• M5: 2,844,005 km (0.08 R)
• M6: 3,947,888 km (0.091 R)
• M7: 4,839,491 km (0.106 R)
• M8: 5,168,606 km (0.104 R)
• M9: 5,279,907 km (0.112 R)
• M10: 6,555,678 km (0.095 R)
• M11: 6,615,816 km (0.103 R)
• M12: 6,676,254 km (0.117 R)
• M13: 7,103,804 km (0.116 R)
• M14: 7,985,385 km (0.092 R)
• M15: 8,114,189 km (0.034 R)
• M16: 9,236,023 km (0.104 R)
• M17: 9,303,492 km (0.063 R)
• M18: 9,987,603 km (0.031 R)
• M19: 10,195,992 km (0.106 R)
• M20: 11,694,215 km (0.105 R)
• M21: 12,655,681 km (0.092 R)
• M22: 12,805,727 km (0.115 R)
• M23: 13,183,761 km (0.101 R)
• M24: 13,488,791 km (0.115 R)
• M25: 14,417,794 km (0.096 R)
• M26: 14,496,183 km (0.113 R)
• M27: 16,500,346 km (0.087 R)
• M28: 17,076,896 km (0.061 R)
• M29: 18,419,387 km (0.118 R)
• M30: 19,448,322 km (0.082 R)
• M31: 20,144,700 km (0.041 R)
• M32: 20,495,806 km (0.064 R)
• M33: 21,115,291 km (0.096 R)
• M34: 23,285,507 km (0.054 R)
• M35: 23,469,512 km (0.063 R)
• M36: 24,303,670 km (0.098 R)
• M37: 26,287,338 km (0.11 R)
• M38: 26,574,865 km (0.052 R)
• M39: 31,214,643 km (0.074 R)
• M40: 33,470,728 km (0.034 R)
• M41: 33,678,370 km (0.095 R)
• M42: 33,782,490 km (0.072 R)
• M43: 34,095,150 km (0.079 R)
• M44: 35,672,659 km (0.064 R)
• M45: 36,203,881 km (0.111 R)
• M46: 36,737,647 km (0.096 R)
• M47: 37,166,544 km (0.062 R)
• M48: 37,812,956 km (0.104 R)
• M49: 39,226,357 km (0.07 R)
• M50: 40,989,368 km (0.075 R)
• M51: 41,657,173 km (0.102 R)
• M52: 43,116,500 km (0.096 R)
• M53: 44,478,289 km (0.113 R)
• M54: 45,049,753 km (0.093 R)
• M55: 45,393,978 km (0.114 R)
• M56: 45,969,331 km (0.073 R)
• M57: 47,710,202 km (0.093 R)
• M58: 50,183,354 km (0.108 R)
• M59: 50,302,134 km (0.088 R)
• M60: 52,215,641 km (0.1 R)
• M61: 52,336,067 km (0.044 R)
• M62: 53,060,420 km (0.112 R)
• M63: 53,302,469 km (0.073 R)
• M64: 54,763,143 km (0.11 R)
• M65: 55,744,355 km (0.045 R)
• M66: 55,990,444 km (0.115 R)
• M67: 56,360,399 km (0.043 R)
• M68: 57,226,721 km (0.119 R)
• M69: 60,483,018 km (0.106 R)
• M70: 60,989,257 km (0.055 R)
• M71: 61,624,150 km (0.052 R)
• M72: 62,644,408 km (0.046 R)
• M73: 65,089,734 km (0.062 R)
• M74: 65,998,541 km (0.039 R)
• M75: 66,911,537 km (0.088 R)
• M76: 67,566,327 km (0.099 R)
• M77: 68,486,354 km (0.116 R)
• M78: 68,750,095 km (0.032 R)
• M79: 69,410,719 km (0.117 R)
• M80: 71,940,120 km (0.107 R)
• M81: 72,342,389 km (0.104 R)
• M82: 73,283,659 km (0.117 R)
• M83: 74,228,818 km (0.078 R)
• M84: 77,500,374 km (0.047 R)
• M85: 78,050,295 km (0.094 R)
• M86: 83,619,226 km (0.107 R)
• M87: 84,606,871 km (0.077 R)
• M88: 87,021,530 km (0.069 R)
• M89: 89,891,117 km (0.08 R)
• M90: 91,047,658 km (0.116 R)
• M91: 91,773,058 km (0.083 R)
• M92: 92,063,726 km (0.062 R)
• M93: 96,165,102 km (0.037 R)
• M94: 96,903,666 km (0.037 R)
• M95: 97,199,721 km (0.094 R)
• M96: 98,089,529 km (0.057 R)
• M97: 99,429,178 km (0.117 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 14,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit