🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.52 AU - 0.54 AU

Year: 253 Days

Day: 27.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.9

Radius: 11.2

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.82 AU - 1.04 AU

Year: 588 Days

Day: 6.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,068,994 km

• M1: 144,212 km (0.107 R)
• M2: 231,428 km (0.109 R)
• M3: 369,656 km (0.12 R)
• M4: 442,660 km (0.085 R)
• M5: 580,589 km (0.116 R)
• M6: 694,882 km (0.119 R)
• M7: 771,925 km (0.105 R)
• M8: 911,649 km (0.116 R)
• M9: 1,039,256 km (0.101 R)
• M10: 1,129,314 km (0.115 R)
• M11: 1,406,519 km (0.044 R)
• M12: 1,645,128 km (0.116 R)
• M13: 1,797,867 km (0.117 R)
• M14: 1,886,429 km (0.104 R)
• M15: 2,014,335 km (0.067 R)
• M16: 2,090,181 km (0.079 R)
• M17: 2,189,365 km (0.107 R)
• M18: 2,312,633 km (0.066 R)
• M19: 2,449,964 km (0.099 R)
• M20: 2,531,196 km (0.119 R)
• M21: 2,732,704 km (0.091 R)
• M22: 2,878,113 km (0.111 R)
• M23: 3,057,182 km (0.115 R)
• M24: 3,132,430 km (0.042 R)
• M25: 3,221,141 km (0.079 R)
• M26: 3,349,197 km (0.091 R)
• M27: 3,459,301 km (0.09 R)
• M28: 3,636,874 km (0.048 R)
• M29: 3,817,438 km (0.051 R)
• M30: 3,891,938 km (0.094 R)
• M31: 4,007,877 km (0.106 R)
• M32: 4,118,130 km (0.084 R)
• M33: 4,201,606 km (0.116 R)
• M34: 4,306,624 km (0.111 R)
• M35: 4,419,570 km (0.097 R)
• M36: 4,497,810 km (0.117 R)
• M37: 4,699,168 km (0.074 R)
• M38: 4,786,533 km (0.077 R)
• M39: 4,859,537 km (0.083 R)
• M40: 4,984,751 km (0.088 R)
• M41: 5,111,011 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.7

Radius: 13.5

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.07 AU - 1.41 AU

Year: 906 Days

Day: 13.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 84,068,994 km

• M1: 168,148 km (0.117 R)
• M2: 298,448 km (0.12 R)
• M3: 427,700 km (0.072 R)
• M4: 549,623 km (0.047 R)
• M5: 640,728 km (0.071 R)
• M6: 742,903 km (0.115 R)
• M7: 892,501 km (0.097 R)
• M8: 1,009,187 km (0.104 R)
• M9: 1,160,281 km (0.107 R)
• M10: 1,253,630 km (0.076 R)
• M11: 1,386,623 km (0.116 R)
• M12: 1,486,404 km (0.075 R)
• M13: 1,588,729 km (0.095 R)
• M14: 1,753,736 km (0.099 R)
• M15: 1,862,493 km (0.108 R)
• M16: 2,563,060 km (0.115 R)
• M17: 2,718,941 km (0.112 R)
• M18: 2,813,936 km (0.098 R)
• M19: 2,902,049 km (0.109 R)
• M20: 3,040,278 km (0.099 R)
• M21: 3,155,617 km (0.102 R)
• M22: 3,280,981 km (0.115 R)
• M23: 3,365,503 km (0.1 R)
• M24: 3,467,978 km (0.092 R)
• M25: 3,588,703 km (0.103 R)
• M26: 3,870,247 km (0.042 R)
• M27: 3,959,856 km (0.094 R)
• M28: 4,077,290 km (0.091 R)
• M29: 4,343,425 km (0.095 R)
• M30: 4,596,395 km (0.085 R)
• M31: 4,719,962 km (0.085 R)
• M32: 4,931,643 km (0.091 R)
• M33: 5,087,674 km (0.059 R)
• M34: 5,464,810 km (0.11 R)
• M35: 5,636,399 km (0.081 R)
• M36: 5,738,275 km (0.06 R)
• M37: 5,995,583 km (0.051 R)
• M38: 6,172,707 km (0.101 R)
• M39: 6,277,725 km (0.073 R)
• M40: 6,447,070 km (0.112 R)
• M41: 6,703,929 km (0.098 R)
• M42: 6,811,939 km (0.104 R)
• M43: 6,953,309 km (0.06 R)
• M44: 7,194,760 km (0.037 R)
• M45: 7,338,673 km (0.035 R)
• M46: 7,450,124 km (0.117 R)
• M47: 7,562,023 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.9

Radius: 6.7

Gravity: 17.51 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.99 AU - 10.61 AU

Year: 21685 Days

Day: 24.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 84,068,994 km

• M1: 338,839 km (0.095 R)
• M2: 415,284 km (0.103 R)
• M3: 657,034 km (0.034 R)
• M4: 911,949 km (0.112 R)
• M5: 1,773,932 km (0.094 R)
• M6: 2,313,232 km (0.105 R)
• M7: 2,503,820 km (0.048 R)
• M8: 3,105,652 km (0.083 R)
• M9: 3,273,501 km (0.1 R)
• M10: 3,444,491 km (0.114 R)
• M11: 3,794,999 km (0.104 R)
• M12: 4,577,396 km (0.098 R)
• M13: 4,768,582 km (0.106 R)
• M14: 4,865,222 km (0.117 R)
• M15: 5,258,066 km (0.096 R)
• M16: 5,918,241 km (0.05 R)
• M17: 7,148,983 km (0.09 R)
• M18: 7,538,985 km (0.048 R)
• M19: 8,165,650 km (0.117 R)
• M20: 8,223,395 km (0.045 R)
• M21: 8,868,162 km (0.083 R)
• M22: 9,468,348 km (0.096 R)
• M23: 11,153,568 km (0.086 R)
• M24: 12,794,358 km (0.082 R)
• M25: 14,230,049 km (0.096 R)
• M26: 14,790,293 km (0.064 R)
• M27: 15,286,359 km (0.071 R)
• M28: 15,572,241 km (0.041 R)
• M29: 16,954,525 km (0.119 R)
• M30: 18,908,722 km (0.041 R)
• M31: 19,990,165 km (0.101 R)
• M32: 20,774,955 km (0.082 R)
• M33: 21,091,654 km (0.06 R)
• M34: 21,171,091 km (0.098 R)
• M35: 22,698,934 km (0.063 R)
• M36: 22,861,846 km (0.095 R)
• M37: 25,605,172 km (0.102 R)
• M38: 26,628,271 km (0.056 R)
• M39: 27,404,385 km (0.093 R)
• M40: 27,751,602 km (0.072 R)
• M41: 28,013,099 km (0.091 R)
• M42: 28,275,344 km (0.096 R)
• M43: 29,067,016 km (0.1 R)
• M44: 29,509,975 km (0.097 R)
• M45: 29,955,029 km (0.032 R)
• M46: 30,402,476 km (0.025 R)
• M47: 30,942,225 km (0.094 R)
• M48: 31,122,939 km (0.063 R)
• M49: 31,394,460 km (0.062 R)
• M50: 32,122,702 km (0.063 R)
• M51: 32,580,621 km (0.118 R)
• M52: 36,893,528 km (0.102 R)
• M53: 37,277,097 km (0.092 R)
• M54: 37,565,521 km (0.116 R)
• M55: 40,391,724 km (0.11 R)
• M56: 41,282,729 km (0.063 R)
• M57: 43,386,674 km (0.12 R)
• M58: 43,994,191 km (0.117 R)
• M59: 45,320,226 km (0.057 R)
• M60: 45,422,701 km (0.104 R)
• M61: 45,525,325 km (0.12 R)
• M62: 45,730,723 km (0.059 R)
• M63: 46,349,011 km (0.066 R)
• M64: 46,866,320 km (0.092 R)
• M65: 48,954,706 km (0.049 R)
• M66: 49,587,057 km (0.108 R)
• M67: 50,222,249 km (0.11 R)
• M68: 50,434,529 km (0.06 R)
• M69: 51,714,638 km (0.114 R)
• M70: 54,089,055 km (0.042 R)
• M71: 57,051,392 km (0.04 R)
• M72: 57,162,094 km (0.116 R)
• M73: 57,827,955 km (0.101 R)
• M74: 61,422,343 km (0.104 R)
• M75: 62,218,203 km (0.05 R)
• M76: 63,246,389 km (0.109 R)
• M77: 63,360,981 km (0.092 R)
• M78: 64,741,620 km (0.086 R)
• M79: 64,857,110 km (0.079 R)
• M80: 64,972,599 km (0.037 R)
• M81: 66,481,294 km (0.072 R)
• M82: 66,947,740 km (0.093 R)
• M83: 67,298,248 km (0.12 R)
• M84: 67,532,368 km (0.094 R)
• M85: 69,060,361 km (0.094 R)
• M86: 69,414,609 km (0.084 R)
• M87: 70,599,723 km (0.082 R)
• M88: 71,552,662 km (0.067 R)
• M89: 72,509,789 km (0.06 R)
• M90: 76,746,999 km (0.081 R)
• M91: 77,726,715 km (0.102 R)
• M92: 78,095,175 km (0.112 R)
• M93: 80,194,033 km (0.091 R)
• M94: 83,691,332 km (0.11 R)
• M95: 83,817,144 km (0.105 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 17,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit