🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.49 AU - 1.57 AU

Year: 659 Days

Day: 17.6 Hours

Environment

Temp: 9 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.92 AU - 3 AU

Year: 1344 Days

Day: 16.7 Hours

Environment

Temp: -76 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 105,691,796 km

• M1: 30,368 km (0.072 R)
• M2: 621,579 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.3

Radius: 10.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.28 AU - 6.64 AU

Year: 5067 Days

Day: 8.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 105,691,796 km

• M1: 165,156 km (0.044 R)
• M2: 268,079 km (0.074 R)
• M3: 451,636 km (0.092 R)
• M4: 516,861 km (0.09 R)
• M5: 872,754 km (0.1 R)
• M6: 1,110,016 km (0.097 R)
• M7: 1,326,036 km (0.11 R)
• M8: 1,439,431 km (0.112 R)
• M9: 1,585,737 km (0.066 R)
• M10: 1,752,389 km (0.09 R)
• M11: 1,909,168 km (0.095 R)
• M12: 1,973,196 km (0.097 R)
• M13: 2,219,883 km (0.063 R)
• M14: 2,494,245 km (0.038 R)
• M15: 2,617,813 km (0.089 R)
• M16: 2,889,333 km (0.089 R)
• M17: 3,000,634 km (0.088 R)
• M18: 3,094,432 km (0.059 R)
• M19: 3,538,588 km (0.062 R)
• M20: 3,758,198 km (0.096 R)
• M21: 4,065,023 km (0.035 R)
• M22: 4,337,590 km (0.067 R)
• M23: 4,465,347 km (0.082 R)
• M24: 4,615,992 km (0.11 R)
• M25: 4,856,246 km (0.116 R)
• M26: 5,235,776 km (0.079 R)
• M27: 5,303,693 km (0.059 R)
• M28: 5,371,910 km (0.08 R)
• M29: 5,486,352 km (0.086 R)
• M30: 5,578,505 km (0.062 R)
• M31: 5,741,117 km (0.112 R)
• M32: 5,905,077 km (0.088 R)
• M33: 6,094,617 km (0.108 R)
• M34: 6,286,103 km (0.104 R)
• M35: 6,406,678 km (0.096 R)
• M36: 6,625,989 km (0.074 R)
• M37: 6,699,591 km (0.085 R)
• M38: 6,996,842 km (0.102 R)
• M39: 7,222,585 km (0.03 R)
• M40: 7,655,671 km (0.085 R)
• M41: 8,896,436 km (0.067 R)
• M42: 8,977,817 km (0.082 R)
• M43: 9,278,210 km (0.038 R)
• M44: 9,748,844 km (0.065 R)
• M45: 10,029,340 km (0.03 R)
• M46: 10,684,579 km (0.114 R)
• M47: 10,771,047 km (0.119 R)
• M48: 10,857,813 km (0.115 R)
• M49: 10,944,730 km (0.095 R)
• M50: 11,090,289 km (0.033 R)
• M51: 11,265,617 km (0.118 R)
• M52: 11,648,887 km (0.101 R)
• M53: 11,976,506 km (0.064 R)
• M54: 12,156,473 km (0.074 R)
• M55: 12,277,048 km (0.119 R)
• M56: 12,397,924 km (0.11 R)
• M57: 12,824,128 km (0.096 R)
• M58: 13,317,202 km (0.094 R)
• M59: 13,847,976 km (0.057 R)
• M60: 14,068,483 km (0.118 R)
• M61: 14,833,526 km (0.1 R)
• M62: 15,940,252 km (0.056 R)
• M63: 16,006,224 km (0.112 R)
• M64: 16,105,258 km (0.041 R)
• M65: 16,403,706 km (0.056 R)
• M66: 16,637,078 km (0.11 R)
• M67: 16,770,968 km (0.049 R)
• M68: 18,026,244 km (0.099 R)
• M69: 18,682,530 km (0.115 R)
• M70: 18,891,369 km (0.075 R)
• M71: 19,416,906 km (0.081 R)
• M72: 19,628,587 km (0.116 R)
• M73: 20,303,722 km (0.037 R)
• M74: 20,375,230 km (0.106 R)
• M75: 21,530,724 km (0.081 R)
• M76: 21,676,582 km (0.098 R)
• M77: 23,228,660 km (0.051 R)
• M78: 23,378,407 km (0.114 R)
• M79: 23,641,101 km (0.093 R)
• M80: 23,716,349 km (0.106 R)
• M81: 25,816,703 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.6

Radius: 7.6

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 16.74 AU - 21.22 AU

Year: 28796 Days

Day: 22.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 105,691,796 km

• M1: 200,162 km (0.097 R)
• M2: 562,937 km (0.071 R)
• M3: 727,494 km (0.11 R)
• M4: 846,126 km (0.113 R)
• M5: 1,205,011 km (0.097 R)
• M6: 1,456,634 km (0.036 R)
• M7: 1,724,714 km (0.076 R)
• M8: 2,134,612 km (0.072 R)
• M9: 2,757,687 km (0.068 R)
• M10: 3,636,126 km (0.109 R)
• M11: 3,790,511 km (0.096 R)
• M12: 4,817,351 km (0.112 R)
• M13: 4,987,144 km (0.106 R)
• M14: 5,044,141 km (0.068 R)
• M15: 5,626,077 km (0.093 R)
• M16: 6,229,106 km (0.08 R)
• M17: 7,172,021 km (0.078 R)
• M18: 7,365,900 km (0.038 R)
• M19: 7,891,437 km (0.088 R)
• M20: 9,187,404 km (0.067 R)
• M21: 9,610,317 km (0.066 R)
• M22: 10,111,769 km (0.109 R)
• M23: 10,402,138 km (0.116 R)
• M24: 12,665,704 km (0.094 R)
• M25: 14,013,281 km (0.071 R)
• M26: 15,074,379 km (0.119 R)
• M27: 16,160,908 km (0.1 R)
• M28: 18,497,328 km (0.119 R)
• M29: 19,120,104 km (0.032 R)
• M30: 19,389,081 km (0.11 R)
• M31: 19,479,139 km (0.074 R)
• M32: 19,659,404 km (0.065 R)
• M33: 19,930,924 km (0.083 R)
• M34: 20,021,730 km (0.092 R)
• M35: 20,569,258 km (0.098 R)
• M36: 21,307,075 km (0.07 R)
• M37: 21,399,975 km (0.067 R)
• M38: 22,147,516 km (0.074 R)
• M39: 22,241,463 km (0.11 R)
• M40: 24,732,866 km (0.074 R)
• M41: 25,615,643 km (0.113 R)
• M42: 26,110,513 km (0.066 R)
• M43: 26,608,674 km (0.051 R)
• M44: 26,908,917 km (0.086 R)
• M45: 27,311,186 km (0.116 R)
• M46: 27,816,826 km (0.113 R)
• M47: 28,019,831 km (0.101 R)
• M48: 28,734,609 km (0.099 R)
• M49: 29,042,631 km (0.064 R)
• M50: 29,145,704 km (0.078 R)
• M51: 29,765,937 km (0.047 R)
• M52: 29,973,729 km (0.066 R)
• M53: 31,864,945 km (0.114 R)
• M54: 32,290,401 km (0.097 R)
• M55: 33,470,130 km (0.116 R)
• M56: 33,686,149 km (0.083 R)
• M57: 34,119,684 km (0.077 R)
• M58: 34,882,633 km (0.108 R)
• M59: 35,871,774 km (0.118 R)
• M60: 37,428,789 km (0.086 R)
• M61: 39,348,878 km (0.071 R)
• M62: 42,931,896 km (0.114 R)
• M63: 43,991,647 km (0.12 R)
• M64: 44,228,162 km (0.106 R)
• M65: 45,059,776 km (0.089 R)
• M66: 45,417,764 km (0.105 R)
• M67: 48,681,690 km (0.091 R)
• M68: 50,033,008 km (0.094 R)
• M69: 50,279,994 km (0.065 R)
• M70: 51,272,127 km (0.107 R)
• M71: 52,270,693 km (0.042 R)
• M72: 52,898,106 km (0.088 R)
• M73: 63,002,096 km (0.061 R)
• M74: 64,071,272 km (0.087 R)
• M75: 64,742,667 km (0.067 R)
• M76: 65,416,306 km (0.12 R)
• M77: 65,956,804 km (0.072 R)
• M78: 66,770,466 km (0.115 R)
• M79: 69,231,351 km (0.098 R)
• M80: 69,368,981 km (0.119 R)
• M81: 70,888,447 km (0.111 R)
• M82: 72,698,282 km (0.079 R)
• M83: 78,935,616 km (0.101 R)
• M84: 79,511,119 km (0.119 R)
• M85: 83,139,316 km (0.053 R)
• M86: 89,954,696 km (0.101 R)
• M87: 91,007,416 km (0.086 R)
• M88: 91,309,005 km (0.091 R)
• M89: 94,190,111 km (0.099 R)
• M90: 98,644,836 km (0.041 R)
• M91: 100,196,764 km (0.106 R)
• M92: 105,691,793 km (0.115 R)

Kuiper Belt

Range: 31.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 12,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit