🌌 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: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.53 AU - 0.59 AU

Year: 179 Days

Day: 26.1 Hours

Environment

Temp: 26 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 75,916,273 km

• M1: 506,838 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.65 AU - 0.81 AU

Year: 267 Days

Day: 47.7 Hours

Environment

Temp: 11 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 75,916,273 km

• M1: 118,332 km (0.025 R)
• M2: 594,801 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.76 AU - 1.1 AU

Year: 383 Days

Day: 34.8 Hours

Environment

Temp: -45 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.58 AU - 2.54 AU

Year: 1264 Days

Day: 16.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 101.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,916,273 km

• M1: 622,776 km (0.096 R)
• M2: 1,378,844 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.83 AU - 2.61 AU

Year: 1414 Days

Day: 22.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,916,273 km

• M1: 327,769 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859

Radius: 14.3

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.01 AU - 7.01 AU

Year: 6299 Days

Day: 9.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 75,916,273 km

• M1: 284,834 km (0.112 R)
• M2: 394,190 km (0.044 R)
• M3: 575,353 km (0.096 R)
• M4: 892,950 km (0.119 R)
• M5: 985,551 km (0.108 R)
• M6: 1,098,198 km (0.103 R)
• M7: 1,250,040 km (0.11 R)
• M8: 1,690,755 km (0.111 R)
• M9: 2,032,137 km (0.048 R)
• M10: 2,351,978 km (0.086 R)
• M11: 2,969,069 km (0.111 R)
• M12: 3,161,452 km (0.114 R)
• M13: 3,432,972 km (0.068 R)
• M14: 4,874,796 km (0.071 R)
• M15: 5,074,360 km (0.097 R)
• M16: 5,363,981 km (0.049 R)
• M17: 5,778,816 km (0.1 R)
• M18: 6,020,566 km (0.075 R)
• M19: 6,327,392 km (0.076 R)
• M20: 6,545,356 km (0.061 R)
• M21: 6,702,583 km (0.116 R)
• M22: 7,376,671 km (0.075 R)
• M23: 8,377,331 km (0.088 R)
• M24: 9,068,025 km (0.108 R)
• M25: 9,705,461 km (0.038 R)
• M26: 10,357,409 km (0.105 R)
• M27: 10,577,916 km (0.115 R)
• M28: 10,874,269 km (0.109 R)
• M29: 11,023,568 km (0.101 R)
• M30: 11,286,411 km (0.063 R)
• M31: 11,437,505 km (0.073 R)
• M32: 11,665,492 km (0.111 R)
• M33: 12,631,595 km (0.112 R)
• M34: 12,946,200 km (0.081 R)
• M35: 13,064,831 km (0.09 R)
• M36: 13,543,095 km (0.072 R)
• M37: 14,271,338 km (0.112 R)
• M38: 14,640,246 km (0.097 R)
• M39: 15,471,262 km (0.081 R)
• M40: 15,808,007 km (0.05 R)
• M41: 16,104,660 km (0.116 R)
• M42: 17,527,784 km (0.085 R)
• M43: 18,099,547 km (0.067 R)
• M44: 18,632,714 km (0.085 R)
• M45: 19,487,516 km (0.12 R)
• M46: 19,988,220 km (0.118 R)
• M47: 20,217,255 km (0.082 R)
• M48: 20,309,108 km (0.073 R)
• M49: 20,770,468 km (0.055 R)
• M50: 21,188,594 km (0.07 R)
• M51: 21,703,509 km (0.079 R)
• M52: 21,891,853 km (0.11 R)
• M53: 22,412,454 km (0.112 R)
• M54: 22,650,314 km (0.087 R)
• M55: 22,793,629 km (0.056 R)
• M56: 23,032,836 km (0.097 R)
• M57: 23,852,782 km (0.085 R)
• M58: 24,144,498 km (0.042 R)
• M59: 24,928,092 km (0.104 R)
• M60: 25,224,146 km (0.104 R)
• M61: 25,670,396 km (0.094 R)
• M62: 26,019,258 km (0.097 R)
• M63: 26,119,190 km (0.084 R)
• M64: 26,219,271 km (0.111 R)
• M65: 26,319,501 km (0.069 R)
• M66: 26,419,882 km (0.112 R)
• M67: 27,277,975 km (0.114 R)
• M68: 27,379,552 km (0.119 R)
• M69: 27,583,005 km (0.068 R)
• M70: 27,685,031 km (0.097 R)
• M71: 27,889,232 km (0.045 R)
• M72: 31,278,222 km (0.103 R)
• M73: 32,132,127 km (0.049 R)
• M74: 32,293,094 km (0.071 R)
• M75: 32,939,656 km (0.107 R)
• M76: 33,318,887 km (0.094 R)
• M77: 34,684,865 km (0.094 R)
• M78: 34,905,073 km (0.086 R)
• M79: 36,908,338 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.5

Radius: 4.2

Gravity: 49.52 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 10.81 AU - 17.55 AU

Year: 22827 Days

Day: 24.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 75,916,273 km

• M1: 116,686 km (0.053 R)
• M2: 269,725 km (0.101 R)
• M3: 745,895 km (0.112 R)
• M4: 772,673 km (0.11 R)
• M5: 883,375 km (0.043 R)
• M6: 1,120,189 km (0.1 R)
• M7: 3,749,222 km (0.071 R)
• M8: 4,469,835 km (0.114 R)
• M9: 5,654,800 km (0.041 R)
• M10: 6,033,581 km (0.082 R)
• M11: 6,309,141 km (0.111 R)
• M12: 6,758,682 km (0.12 R)
• M13: 6,872,676 km (0.096 R)
• M14: 7,867,053 km (0.072 R)
• M15: 7,987,030 km (0.118 R)
• M16: 8,107,457 km (0.077 R)
• M17: 9,155,988 km (0.1 R)
• M18: 9,282,249 km (0.107 R)
• M19: 9,728,200 km (0.117 R)
• M20: 10,051,182 km (0.086 R)
• M21: 10,575,073 km (0.093 R)
• M22: 11,785,919 km (0.112 R)
• M23: 13,039,998 km (0.088 R)
• M24: 15,073,182 km (0.115 R)
• M25: 15,898,514 km (0.087 R)
• M26: 17,436,380 km (0.047 R)
• M27: 17,514,470 km (0.107 R)
• M28: 18,222,965 km (0.107 R)
• M29: 18,461,125 km (0.084 R)
• M30: 18,780,367 km (0.067 R)
• M31: 19,343,453 km (0.118 R)
• M32: 19,424,236 km (0.099 R)
• M33: 19,586,400 km (0.09 R)
• M34: 21,065,475 km (0.06 R)
• M35: 21,315,453 km (0.118 R)
• M36: 21,399,078 km (0.101 R)
• M37: 23,868,939 km (0.054 R)
• M38: 25,269,624 km (0.077 R)
• M39: 25,979,914 km (0.115 R)
• M40: 26,069,224 km (0.113 R)
• M41: 26,786,845 km (0.051 R)
• M42: 27,329,437 km (0.06 R)
• M43: 27,784,214 km (0.06 R)
• M44: 28,793,701 km (0.102 R)
• M45: 29,256,556 km (0.034 R)
• M46: 30,002,152 km (0.083 R)
• M47: 31,132,364 km (0.115 R)
• M48: 32,084,704 km (0.075 R)
• M49: 33,433,927 km (0.1 R)
• M50: 34,213,332 km (0.1 R)
• M51: 36,686,933 km (0.118 R)
• M52: 37,894,637 km (0.102 R)
• M53: 38,198,620 km (0.085 R)
• M54: 38,503,350 km (0.086 R)
• M55: 38,605,077 km (0.091 R)
• M56: 38,808,979 km (0.111 R)
• M57: 39,422,480 km (0.084 R)
• M58: 39,936,199 km (0.08 R)
• M59: 40,452,162 km (0.078 R)
• M60: 40,555,684 km (0.099 R)
• M61: 40,762,877 km (0.116 R)
• M62: 42,222,952 km (0.034 R)
• M63: 42,853,806 km (0.112 R)
• M64: 45,193,966 km (0.115 R)
• M65: 45,301,377 km (0.114 R)
• M66: 45,731,620 km (0.083 R)
• M67: 52,120,646 km (0.114 R)
• M68: 54,730,381 km (0.104 R)
• M69: 54,844,674 km (0.114 R)
• M70: 54,959,266 km (0.039 R)
• M71: 55,418,082 km (0.111 R)
• M72: 56,455,095 km (0.118 R)
• M73: 56,686,373 km (0.097 R)
• M74: 57,034,039 km (0.092 R)
• M75: 58,782,389 km (0.036 R)
• M76: 62,212,219 km (0.101 R)
• M77: 63,169,795 km (0.118 R)
• M78: 67,415,832 km (0.07 R)
• M79: 69,139,947 km (0.105 R)
• M80: 71,127,953 km (0.081 R)
• M81: 71,878,336 km (0.111 R)
• M82: 72,003,699 km (0.118 R)
• M83: 78,619,366 km (0.105 R)
• M84: 79,006,824 km (0.075 R)
• M85: 79,654,284 km (0.119 R)
• M86: 81,606,835 km (0.09 R)
• M87: 81,868,332 km (0.109 R)
• M88: 82,785,966 km (0.026 R)
• M89: 83,048,660 km (0.075 R)
• M90: 83,970,631 km (0.116 R)
• M91: 84,234,671 km (0.105 R)
• M92: 84,631,255 km (0.09 R)
• M93: 86,223,725 km (0.116 R)
• M94: 86,890,183 km (0.108 R)
• M95: 89,303,496 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.8

Radius: 7.3

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 11.98 AU - 16.48 AU

Year: 22948 Days

Day: 22.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 75,916,273 km

• M1: 216,319 km (0.078 R)
• M2: 504,594 km (0.114 R)
• M3: 766,839 km (0.054 R)
• M4: 989,889 km (0.11 R)
• M5: 1,555,668 km (0.109 R)
• M6: 2,417,053 km (0.08 R)
• M7: 2,707,572 km (0.097 R)
• M8: 3,086,503 km (0.114 R)
• M9: 4,320,835 km (0.103 R)
• M10: 4,495,865 km (0.092 R)
• M11: 4,673,288 km (0.052 R)
• M12: 5,219,171 km (0.119 R)
• M13: 5,785,099 km (0.076 R)
• M14: 6,620,155 km (0.052 R)
• M15: 6,872,825 km (0.117 R)
• M16: 7,232,010 km (0.117 R)
• M17: 7,439,951 km (0.056 R)
• M18: 7,755,602 km (0.052 R)
• M19: 7,915,223 km (0.114 R)
• M20: 7,968,630 km (0.069 R)
• M21: 8,509,276 km (0.118 R)
• M22: 10,085,440 km (0.046 R)
• M23: 10,966,122 km (0.057 R)
• M24: 11,810,154 km (0.066 R)
• M25: 12,737,511 km (0.075 R)
• M26: 13,688,205 km (0.116 R)
• M27: 13,752,383 km (0.096 R)
• M28: 14,139,692 km (0.11 R)
• M29: 15,123,298 km (0.075 R)
• M30: 15,256,140 km (0.064 R)
• M31: 15,523,023 km (0.104 R)
• M32: 15,724,232 km (0.097 R)
• M33: 16,129,044 km (0.114 R)
• M34: 16,196,812 km (0.102 R)
• M35: 17,087,069 km (0.086 R)
• M36: 17,156,183 km (0.036 R)
• M37: 17,225,447 km (0.069 R)
• M38: 17,572,963 km (0.102 R)
• M39: 18,063,494 km (0.104 R)
• M40: 18,558,513 km (0.075 R)
• M41: 19,417,355 km (0.088 R)
• M42: 20,289,062 km (0.097 R)
• M43: 20,435,668 km (0.085 R)
• M44: 20,803,529 km (0.026 R)
• M45: 21,396,684 km (0.105 R)
• M46: 21,545,983 km (0.106 R)
• M47: 22,903,883 km (0.108 R)
• M48: 23,979,192 km (0.099 R)
• M49: 25,149,347 km (0.055 R)
• M50: 26,578,156 km (0.12 R)
• M51: 27,060,160 km (0.066 R)
• M52: 27,221,427 km (0.095 R)
• M53: 27,870,083 km (0.06 R)
• M54: 28,687,785 km (0.079 R)
• M55: 31,442,032 km (0.063 R)
• M56: 32,122,253 km (0.087 R)
• M57: 32,721,542 km (0.118 R)
• M58: 34,105,023 km (0.042 R)
• M59: 35,331,277 km (0.113 R)
• M60: 36,127,138 km (0.111 R)
• M61: 36,839,523 km (0.083 R)
• M62: 38,550,025 km (0.114 R)
• M63: 39,004,503 km (0.079 R)
• M64: 39,643,585 km (0.102 R)
• M65: 39,918,546 km (0.105 R)
• M66: 40,102,252 km (0.107 R)
• M67: 41,768,025 km (0.067 R)
• M68: 42,047,773 km (0.064 R)
• M69: 44,975,553 km (0.068 R)
• M70: 45,071,146 km (0.111 R)
• M71: 45,549,709 km (0.091 R)
• M72: 46,415,582 km (0.106 R)
• M73: 47,870,720 km (0.106 R)
• M74: 50,428,395 km (0.109 R)
• M75: 50,626,911 km (0.065 R)
• M76: 52,828,244 km (0.088 R)
• M77: 54,143,808 km (0.077 R)
• M78: 54,550,714 km (0.106 R)
• M79: 63,755,770 km (0.036 R)
• M80: 65,155,707 km (0.025 R)
• M81: 66,348,152 km (0.064 R)
• M82: 67,657,283 km (0.073 R)
• M83: 67,766,788 km (0.114 R)
• M84: 68,534,824 km (0.075 R)
• M85: 69,085,194 km (0.085 R)
• M86: 70,411,978 km (0.115 R)
• M87: 71,078,436 km (0.084 R)
• M88: 71,301,188 km (0.068 R)
• M89: 74,329,497 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 12,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit