🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.6 AU - 0.64 AU

Year: 175 Days

Day: 15.7 Hours

Environment

Temp: 163 °C

Axial Tilt: 6.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.87 AU - 1.15 AU

Year: 364 Days

Day: 46.1 Hours

Environment

Temp: 100 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.05 AU - 1.21 AU

Year: 430 Days

Day: 15.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 27.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.11 AU - 1.59 AU

Year: 562 Days

Day: 45.9 Hours

Environment

Temp: -1 °C

Axial Tilt: 35.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.96 AU - 2.04 AU

Year: 1013 Days

Day: 38.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.87 AU - 2.25 AU

Year: 1059 Days

Day: 45.4 Hours

Environment

Temp: -60 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.62 AU - 4.72 AU

Year: 3050 Days

Day: 13.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.1

Radius: 14.5

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.76 AU - 7.26 AU

Year: 6647 Days

Day: 14.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 73,328,140 km

• M1: 183,257 km (0.118 R)
• M2: 381,325 km (0.103 R)
• M3: 496,515 km (0.115 R)
• M4: 675,135 km (0.042 R)
• M5: 773,870 km (0.048 R)
• M6: 896,540 km (0.107 R)
• M7: 1,017,116 km (0.063 R)
• M8: 1,446,611 km (0.091 R)
• M9: 1,729,202 km (0.101 R)
• M10: 1,919,640 km (0.113 R)
• M11: 2,453,405 km (0.106 R)
• M12: 2,696,352 km (0.102 R)
• M13: 2,876,917 km (0.102 R)
• M14: 2,975,801 km (0.12 R)
• M15: 3,104,754 km (0.111 R)
• M16: 3,294,295 km (0.09 R)
• M17: 3,593,640 km (0.078 R)
• M18: 3,792,904 km (0.099 R)
• M19: 3,886,253 km (0.104 R)
• M20: 4,027,623 km (0.093 R)
• M21: 4,396,981 km (0.054 R)
• M22: 4,544,634 km (0.08 R)
• M23: 4,710,538 km (0.117 R)
• M24: 4,844,727 km (0.077 R)
• M25: 5,151,403 km (0.111 R)
• M26: 5,517,469 km (0.104 R)
• M27: 5,659,138 km (0.118 R)
• M28: 5,784,052 km (0.114 R)
• M29: 6,367,334 km (0.066 R)
• M30: 6,516,034 km (0.079 R)
• M31: 6,988,614 km (0.038 R)
• M32: 7,238,742 km (0.105 R)
• M33: 7,747,823 km (0.119 R)
• M34: 7,966,835 km (0.102 R)
• M35: 8,087,111 km (0.074 R)
• M36: 8,187,791 km (0.074 R)
• M37: 8,390,496 km (0.081 R)
• M38: 8,635,986 km (0.055 R)
• M39: 8,800,992 km (0.057 R)
• M40: 8,904,664 km (0.097 R)
• M41: 9,386,818 km (0.118 R)
• M42: 9,556,462 km (0.108 R)
• M43: 9,791,480 km (0.103 R)
• M44: 10,006,901 km (0.08 R)
• M45: 10,311,033 km (0.079 R)
• M46: 10,906,134 km (0.11 R)
• M47: 11,376,768 km (0.081 R)
• M48: 11,489,864 km (0.064 R)
• M49: 11,717,104 km (0.107 R)
• M50: 11,945,839 km (0.069 R)
• M51: 12,922,862 km (0.102 R)
• M52: 13,301,794 km (0.099 R)
• M53: 13,564,488 km (0.08 R)
• M54: 13,756,571 km (0.118 R)
• M55: 13,973,788 km (0.113 R)
• M56: 14,436,045 km (0.111 R)
• M57: 14,829,338 km (0.043 R)
• M58: 15,076,922 km (0.103 R)
• M59: 15,300,870 km (0.106 R)
• M60: 15,400,802 km (0.095 R)
• M61: 15,802,621 km (0.117 R)
• M62: 16,463,096 km (0.092 R)
• M63: 16,745,238 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174

Radius: 7.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.32 AU - 14.64 AU

Year: 16749 Days

Day: 18.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 73,328,140 km

• M1: 161,566 km (0.064 R)
• M2: 414,685 km (0.117 R)
• M3: 505,940 km (0.12 R)
• M4: 694,882 km (0.117 R)
• M5: 1,175,540 km (0.116 R)
• M6: 1,232,387 km (0.118 R)
• M7: 1,720,824 km (0.057 R)
• M8: 1,918,443 km (0.101 R)
• M9: 2,530,298 km (0.058 R)
• M10: 3,333,190 km (0.1 R)
• M11: 4,902,322 km (0.102 R)
• M12: 5,089,170 km (0.049 R)
• M13: 5,183,417 km (0.117 R)
• M14: 5,373,705 km (0.112 R)
• M15: 5,566,238 km (0.119 R)
• M16: 6,024,456 km (0.074 R)
• M17: 6,258,277 km (0.068 R)
• M18: 6,942,239 km (0.078 R)
• M19: 7,011,951 km (0.106 R)
• M20: 7,328,650 km (0.112 R)
• M21: 7,685,890 km (0.1 R)
• M22: 8,048,964 km (0.06 R)
• M23: 8,491,923 km (0.116 R)
• M24: 8,716,470 km (0.116 R)
• M25: 9,094,952 km (0.07 R)
• M26: 9,517,566 km (0.114 R)
• M27: 10,222,770 km (0.113 R)
• M28: 10,621,898 km (0.03 R)
• M29: 11,808,059 km (0.075 R)
• M30: 12,607,660 km (0.079 R)
• M31: 13,078,594 km (0.08 R)
• M32: 13,251,230 km (0.098 R)
• M33: 13,337,847 km (0.106 R)
• M34: 13,949,553 km (0.083 R)
• M35: 14,525,804 km (0.067 R)
• M36: 15,609,790 km (0.066 R)
• M37: 16,300,483 km (0.067 R)
• M38: 17,142,570 km (0.116 R)
• M39: 17,378,934 km (0.103 R)
• M40: 18,383,484 km (0.112 R)
• M41: 18,577,064 km (0.117 R)
• M42: 18,722,622 km (0.1 R)
• M43: 18,868,480 km (0.07 R)
• M44: 20,199,004 km (0.087 R)
• M45: 20,298,785 km (0.107 R)
• M46: 20,498,798 km (0.12 R)
• M47: 20,749,673 km (0.11 R)
• M48: 20,799,938 km (0.109 R)
• M49: 21,001,596 km (0.077 R)
• M50: 21,305,280 km (0.104 R)
• M51: 21,712,485 km (0.039 R)
• M52: 22,122,234 km (0.093 R)
• M53: 22,741,569 km (0.083 R)
• M54: 23,001,421 km (0.072 R)
• M55: 23,471,457 km (0.046 R)
• M56: 24,050,251 km (0.077 R)
• M57: 24,156,017 km (0.109 R)
• M58: 24,314,890 km (0.099 R)
• M59: 24,687,089 km (0.06 R)
• M60: 24,900,566 km (0.039 R)
• M61: 25,222,051 km (0.053 R)
• M62: 25,598,739 km (0.027 R)
• M63: 25,923,067 km (0.086 R)
• M64: 26,085,830 km (0.12 R)
• M65: 26,849,527 km (0.107 R)
• M66: 26,904,429 km (0.11 R)
• M67: 27,289,344 km (0.112 R)
• M68: 27,953,409 km (0.095 R)
• M69: 28,622,860 km (0.059 R)
• M70: 30,376,446 km (0.102 R)
• M71: 30,605,181 km (0.109 R)
• M72: 30,662,477 km (0.116 R)
• M73: 31,122,191 km (0.056 R)
• M74: 31,237,382 km (0.079 R)
• M75: 32,690,127 km (0.053 R)
• M76: 35,059,757 km (0.043 R)
• M77: 35,721,129 km (0.119 R)
• M78: 38,407,458 km (0.094 R)
• M79: 38,531,176 km (0.078 R)
• M80: 39,089,176 km (0.077 R)
• M81: 39,587,486 km (0.099 R)
• M82: 39,962,528 km (0.112 R)
• M83: 40,464,429 km (0.026 R)
• M84: 41,094,834 km (0.113 R)
• M85: 41,601,522 km (0.118 R)
• M86: 41,792,110 km (0.085 R)
• M87: 42,557,004 km (0.09 R)
• M88: 42,749,088 km (0.042 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.7

Radius: 6.4

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 11.84 AU - 15.4 AU

Year: 18003 Days

Day: 22.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 73,328,140 km

• M1: 256,411 km (0.071 R)
• M2: 302,487 km (0.085 R)
• M3: 386,710 km (0.059 R)
• M4: 579,991 km (0.069 R)
• M5: 874,100 km (0.061 R)
• M6: 1,293,423 km (0.104 R)
• M7: 1,862,793 km (0.106 R)
• M8: 1,991,746 km (0.044 R)
• M9: 2,090,331 km (0.075 R)
• M10: 2,326,845 km (0.071 R)
• M11: 2,465,822 km (0.089 R)
• M12: 2,751,853 km (0.109 R)
• M13: 2,825,156 km (0.065 R)
• M14: 2,973,557 km (0.102 R)
• M15: 3,124,501 km (0.105 R)
• M16: 3,239,392 km (0.075 R)
• M17: 3,394,824 km (0.062 R)
• M18: 3,712,870 km (0.106 R)
• M19: 4,811,516 km (0.114 R)
• M20: 4,944,359 km (0.091 R)
• M21: 6,241,971 km (0.117 R)
• M22: 8,159,217 km (0.073 R)
• M23: 8,907,955 km (0.105 R)
• M24: 9,180,821 km (0.1 R)
• M25: 10,932,313 km (0.085 R)
• M26: 11,107,193 km (0.108 R)
• M27: 11,518,737 km (0.086 R)
• M28: 11,935,517 km (0.115 R)
• M29: 12,296,496 km (0.115 R)
• M30: 12,357,083 km (0.119 R)
• M31: 12,661,216 km (0.042 R)
• M32: 14,858,360 km (0.103 R)
• M33: 16,565,122 km (0.108 R)
• M34: 16,631,992 km (0.071 R)
• M35: 17,305,631 km (0.106 R)
• M36: 17,645,817 km (0.091 R)
• M37: 17,851,065 km (0.094 R)
• M38: 21,239,906 km (0.106 R)
• M39: 25,899,281 km (0.105 R)
• M40: 26,836,212 km (0.063 R)
• M41: 27,072,128 km (0.119 R)
• M42: 28,022,823 km (0.116 R)
• M43: 28,422,249 km (0.106 R)
• M44: 29,145,854 km (0.102 R)
• M45: 30,365,376 km (0.118 R)
• M46: 30,940,131 km (0.068 R)
• M47: 31,684,380 km (0.12 R)
• M48: 32,183,888 km (0.115 R)
• M49: 32,350,988 km (0.102 R)
• M50: 33,359,428 km (0.096 R)
• M51: 33,443,801 km (0.093 R)
• M52: 34,292,769 km (0.085 R)
• M53: 34,719,871 km (0.114 R)
• M54: 34,805,590 km (0.068 R)
• M55: 35,320,805 km (0.102 R)
• M56: 36,794,494 km (0.113 R)
• M57: 36,969,224 km (0.113 R)
• M58: 37,144,254 km (0.113 R)
• M59: 38,288,229 km (0.115 R)
• M60: 38,553,914 km (0.064 R)
• M61: 38,997,921 km (0.113 R)
• M62: 39,176,092 km (0.037 R)
• M63: 39,354,413 km (0.059 R)
• M64: 42,886,568 km (0.08 R)
• M65: 45,765,579 km (0.091 R)
• M66: 46,330,012 km (0.109 R)
• M67: 47,560,753 km (0.112 R)
• M68: 48,037,073 km (0.084 R)
• M69: 48,227,960 km (0.113 R)
• M70: 48,514,889 km (0.063 R)
• M71: 49,186,434 km (0.077 R)
• M72: 50,830,215 km (0.045 R)
• M73: 52,001,417 km (0.105 R)
• M74: 52,787,105 km (0.1 R)
• M75: 52,885,540 km (0.115 R)
• M76: 53,082,710 km (0.061 R)
• M77: 54,668,747 km (0.064 R)
• M78: 55,267,587 km (0.069 R)
• M79: 56,471,700 km (0.106 R)
• M80: 57,177,952 km (0.042 R)
• M81: 57,887,345 km (0.043 R)
• M82: 58,192,225 km (0.117 R)
• M83: 59,314,658 km (0.112 R)
• M84: 60,341,199 km (0.059 R)
• M85: 60,753,490 km (0.1 R)
• M86: 61,788,259 km (0.114 R)
• M87: 62,099,871 km (0.12 R)
• M88: 62,516,053 km (0.11 R)
• M89: 64,927,421 km (0.105 R)
• M90: 65,561,416 km (0.03 R)
• M91: 68,439,979 km (0.035 R)
• M92: 68,547,240 km (0.094 R)
• M93: 69,408,475 km (0.091 R)
• M94: 71,359,381 km (0.112 R)
• M95: 72,122,929 km (0.068 R)
• M96: 72,669,858 km (0.077 R)

Kuiper Belt

Range: 30.6 - 49.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 20,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit