🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.48 AU - 0.72 AU

Year: 165 Days

Day: 30.8 Hours

Environment

Temp: 216 °C

Axial Tilt: 28.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.85 AU - 1.13 AU

Year: 349 Days

Day: 36.2 Hours

Environment

Temp: 80 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,579,223 km

• M1: 254,915 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.01 AU - 1.27 AU

Year: 432 Days

Day: 27.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 57,579,223 km

• M1: 293,661 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.22 AU - 3.22 AU

Year: 2050 Days

Day: 45.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.59 AU - 4.27 AU

Year: 2254 Days

Day: 24.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 15.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.2

Radius: 8

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 13.47 AU - 16.91 AU

Year: 21003 Days

Day: 24.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 57,579,223 km

• M1: 101,577 km (0.12 R)
• M2: 247,136 km (0.082 R)
• M3: 1,128,267 km (0.059 R)
• M4: 1,255,276 km (0.057 R)
• M5: 1,307,336 km (0.043 R)
• M6: 1,360,293 km (0.096 R)
• M7: 1,551,180 km (0.098 R)
• M8: 2,432,013 km (0.076 R)
• M9: 3,151,279 km (0.104 R)
• M10: 3,295,491 km (0.112 R)
• M11: 3,515,849 km (0.116 R)
• M12: 3,971,075 km (0.111 R)
• M13: 4,647,557 km (0.061 R)
• M14: 4,770,526 km (0.063 R)
• M15: 5,062,093 km (0.101 R)
• M16: 5,231,138 km (0.098 R)
• M17: 5,488,447 km (0.075 R)
• M18: 6,285,055 km (0.087 R)
• M19: 6,836,024 km (0.106 R)
• M20: 7,498,294 km (0.101 R)
• M21: 8,429,690 km (0.101 R)
• M22: 8,529,771 km (0.08 R)
• M23: 8,580,036 km (0.037 R)
• M24: 8,883,570 km (0.12 R)
• M25: 9,553,170 km (0.091 R)
• M26: 10,560,712 km (0.084 R)
• M27: 11,049,748 km (0.09 R)
• M28: 11,159,552 km (0.084 R)
• M29: 11,379,910 km (0.11 R)
• M30: 11,657,564 km (0.119 R)
• M31: 11,881,212 km (0.094 R)
• M32: 12,389,845 km (0.079 R)
• M33: 13,020,999 km (0.037 R)
• M34: 14,195,192 km (0.065 R)
• M35: 15,341,860 km (0.07 R)
• M36: 17,658,832 km (0.084 R)
• M37: 18,433,450 km (0.097 R)
• M38: 19,285,110 km (0.082 R)
• M39: 19,417,205 km (0.045 R)
• M40: 19,616,021 km (0.098 R)
• M41: 19,682,442 km (0.098 R)
• M42: 19,815,584 km (0.066 R)
• M43: 20,822,976 km (0.106 R)
• M44: 21,094,497 km (0.073 R)
• M45: 21,778,308 km (0.067 R)
• M46: 22,261,360 km (0.087 R)
• M47: 22,330,624 km (0.086 R)
• M48: 22,957,588 km (0.119 R)
• M49: 23,378,706 km (0.091 R)
• M50: 23,590,238 km (0.102 R)
• M51: 24,800,784 km (0.034 R)
• M52: 24,944,547 km (0.083 R)
• M53: 27,207,814 km (0.087 R)
• M54: 27,356,215 km (0.093 R)
• M55: 28,777,993 km (0.079 R)
• M56: 29,460,009 km (0.081 R)
• M57: 29,612,151 km (0.042 R)
• M58: 31,149,119 km (0.093 R)
• M59: 32,397,214 km (0.071 R)
• M60: 33,423,455 km (0.067 R)
• M61: 33,582,179 km (0.088 R)
• M62: 33,980,408 km (0.101 R)
• M63: 34,861,689 km (0.104 R)
• M64: 36,320,119 km (0.114 R)
• M65: 36,810,800 km (0.054 R)
• M66: 37,633,289 km (0.097 R)
• M67: 37,963,900 km (0.104 R)
• M68: 38,046,778 km (0.119 R)
• M69: 41,323,420 km (0.04 R)
• M70: 42,952,391 km (0.086 R)
• M71: 44,340,210 km (0.064 R)
• M72: 45,742,691 km (0.104 R)
• M73: 46,095,592 km (0.083 R)
• M74: 46,449,540 km (0.113 R)
• M75: 46,892,949 km (0.114 R)
• M76: 47,605,633 km (0.103 R)
• M77: 47,784,253 km (0.116 R)
• M78: 49,583,616 km (0.101 R)
• M79: 50,582,630 km (0.115 R)
• M80: 50,764,990 km (0.069 R)
• M81: 51,771,934 km (0.04 R)
• M82: 53,248,165 km (0.109 R)
• M83: 54,925,606 km (0.111 R)
• M84: 55,582,490 km (0.105 R)
• M85: 56,714,797 km (0.078 R)
• M86: 57,473,856 km (0.07 R)
• M87: 58,331,800 km (0.081 R)
• M88: 62,098,525 km (0.098 R)
• M89: 63,371,453 km (0.059 R)
• M90: 66,142,155 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.1

Radius: 7.2

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 19.17 AU - 20.97 AU

Year: 31898 Days

Day: 21.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 57,579,223 km

• M1: 105,466 km (0.119 R)
• M2: 159,023 km (0.082 R)
• M3: 780,602 km (0.116 R)
• M4: 1,016,368 km (0.081 R)
• M5: 1,078,900 km (0.078 R)
• M6: 1,926,372 km (0.082 R)
• M7: 2,538,227 km (0.059 R)
• M8: 2,711,013 km (0.104 R)
• M9: 3,393,029 km (0.081 R)
• M10: 3,975,264 km (0.104 R)
• M11: 4,432,136 km (0.117 R)
• M12: 5,450,449 km (0.081 R)
• M13: 5,506,099 km (0.032 R)
• M14: 5,561,750 km (0.085 R)
• M15: 6,187,368 km (0.099 R)
• M16: 6,597,116 km (0.1 R)
• M17: 7,319,674 km (0.071 R)
• M18: 7,690,378 km (0.112 R)
• M19: 7,752,760 km (0.114 R)
• M20: 8,450,185 km (0.109 R)
• M21: 9,233,779 km (0.118 R)
• M22: 9,567,083 km (0.072 R)
• M23: 9,904,277 km (0.081 R)
• M24: 10,040,261 km (0.092 R)
• M25: 10,939,344 km (0.072 R)
• M26: 11,648,289 km (0.117 R)
• M27: 12,887,408 km (0.111 R)
• M28: 13,035,958 km (0.086 R)
• M29: 14,244,560 km (0.109 R)
• M30: 14,552,133 km (0.052 R)
• M31: 15,963,888 km (0.087 R)
• M32: 17,830,271 km (0.118 R)
• M33: 18,747,156 km (0.073 R)
• M34: 18,999,827 km (0.098 R)
• M35: 19,168,873 km (0.055 R)
• M36: 20,713,172 km (0.099 R)
• M37: 22,030,231 km (0.108 R)
• M38: 24,744,535 km (0.108 R)
• M39: 25,579,291 km (0.113 R)
• M40: 25,859,488 km (0.094 R)
• M41: 25,953,136 km (0.095 R)
• M42: 28,427,485 km (0.111 R)
• M43: 29,106,360 km (0.086 R)
• M44: 30,085,478 km (0.099 R)
• M45: 33,087,159 km (0.105 R)
• M46: 33,188,736 km (0.12 R)
• M47: 34,108,614 km (0.108 R)
• M48: 34,520,157 km (0.087 R)
• M49: 35,140,540 km (0.055 R)
• M50: 36,918,211 km (0.111 R)
• M51: 37,446,591 km (0.111 R)
• M52: 38,190,541 km (0.115 R)
• M53: 38,724,905 km (0.081 R)
• M54: 42,423,712 km (0.103 R)
• M55: 43,979,081 km (0.041 R)
• M56: 44,988,867 km (0.106 R)
• M57: 45,101,664 km (0.095 R)
• M58: 45,327,257 km (0.102 R)
• M59: 46,006,282 km (0.111 R)
• M60: 46,119,827 km (0.035 R)
• M61: 47,374,654 km (0.067 R)
• M62: 48,987,917 km (0.12 R)
• M63: 49,452,119 km (0.119 R)
• M64: 50,970,837 km (0.099 R)
• M65: 51,205,855 km (0.064 R)
• M66: 52,861,156 km (0.075 R)
• M67: 53,575,785 km (0.061 R)
• M68: 54,413,682 km (0.047 R)
• M69: 55,618,244 km (0.069 R)
• M70: 59,531,276 km (0.027 R)
• M71: 59,778,711 km (0.103 R)
• M72: 60,896,805 km (0.075 R)
• M73: 61,520,928 km (0.03 R)
• M74: 64,418,937 km (0.09 R)
• M75: 64,545,946 km (0.08 R)
• M76: 64,927,421 km (0.085 R)
• M77: 68,524,202 km (0.067 R)
• M78: 70,216,154 km (0.06 R)
• M79: 72,845,636 km (0.067 R)
• M80: 73,375,512 km (0.076 R)
• M81: 73,773,592 km (0.095 R)
• M82: 74,305,562 km (0.092 R)
• M83: 74,438,853 km (0.087 R)
• M84: 75,641,171 km (0.096 R)
• M85: 76,177,629 km (0.083 R)
• M86: 85,349,026 km (0.061 R)
• M87: 86,747,467 km (0.081 R)
• M88: 87,871,695 km (0.081 R)
• M89: 92,130,148 km (0.055 R)
• M90: 94,717,443 km (0.048 R)
• M91: 95,729,921 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.7

Radius: 6.7

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 17.5 AU - 22.64 AU

Year: 31898 Days

Day: 24.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 57,579,223 km

• M1: 103,671 km (0.12 R)
• M2: 222,153 km (0.073 R)
• M3: 595,998 km (0.086 R)
• M4: 949,498 km (0.115 R)
• M5: 1,533,378 km (0.104 R)
• M6: 2,473,451 km (0.119 R)
• M7: 2,593,877 km (0.098 R)
• M8: 2,747,215 km (0.083 R)
• M9: 3,225,180 km (0.092 R)
• M10: 3,356,976 km (0.094 R)
• M11: 3,901,961 km (0.107 R)
• M12: 4,364,817 km (0.113 R)
• M13: 4,437,671 km (0.076 R)
• M14: 5,303,245 km (0.086 R)
• M15: 5,380,886 km (0.062 R)
• M16: 5,498,320 km (0.101 R)
• M17: 6,056,769 km (0.053 R)
• M18: 6,138,001 km (0.095 R)
• M19: 6,759,131 km (0.097 R)
• M20: 7,227,223 km (0.114 R)
• M21: 7,486,925 km (0.095 R)
• M22: 7,530,607 km (0.114 R)
• M23: 7,617,972 km (0.031 R)
• M24: 8,647,655 km (0.118 R)
• M25: 8,923,513 km (0.105 R)
• M26: 8,969,739 km (0.087 R)
• M27: 9,016,114 km (0.09 R)
• M28: 9,672,998 km (0.115 R)
• M29: 10,686,973 km (0.086 R)
• M30: 11,683,743 km (0.077 R)
• M31: 12,141,962 km (0.077 R)
• M32: 12,193,274 km (0.077 R)
• M33: 12,296,047 km (0.111 R)
• M34: 12,450,732 km (0.069 R)
• M35: 12,606,014 km (0.049 R)
• M36: 12,657,925 km (0.079 R)
• M37: 13,128,560 km (0.102 R)
• M38: 13,181,218 km (0.076 R)
• M39: 13,764,799 km (0.068 R)
• M40: 15,621,608 km (0.047 R)
• M41: 16,465,340 km (0.073 R)
• M42: 16,579,034 km (0.1 R)
• M43: 17,439,521 km (0.038 R)
• M44: 17,555,460 km (0.104 R)
• M45: 18,314,519 km (0.065 R)
• M46: 18,373,461 km (0.051 R)
• M47: 18,491,344 km (0.092 R)
• M48: 19,563,362 km (0.073 R)
• M49: 19,985,827 km (0.089 R)
• M50: 21,518,756 km (0.045 R)
• M51: 22,393,604 km (0.106 R)
• M52: 23,471,457 km (0.081 R)
• M53: 24,891,291 km (0.064 R)
• M54: 25,283,387 km (0.089 R)
• M55: 25,348,910 km (0.12 R)
• M56: 25,414,434 km (0.09 R)
• M57: 26,073,562 km (0.098 R)
• M58: 26,205,957 km (0.089 R)
• M59: 27,610,681 km (0.075 R)
• M60: 27,881,004 km (0.058 R)
• M61: 27,948,622 km (0.066 R)
• M62: 29,521,195 km (0.094 R)
• M63: 30,631,959 km (0.118 R)
• M64: 30,701,821 km (0.079 R)
• M65: 33,109,150 km (0.087 R)
• M66: 33,900,972 km (0.061 R)
• M67: 34,335,404 km (0.095 R)
• M68: 34,407,959 km (0.115 R)
• M69: 34,844,635 km (0.078 R)
• M70: 35,429,713 km (0.113 R)
• M71: 37,802,036 km (0.079 R)
• M72: 38,102,278 km (0.111 R)
• M73: 38,252,624 km (0.109 R)
• M74: 39,007,346 km (0.104 R)
• M75: 39,538,717 km (0.043 R)
• M76: 40,072,333 km (0.088 R)
• M77: 40,762,129 km (0.106 R)
• M78: 40,915,915 km (0.107 R)
• M79: 40,992,809 km (0.03 R)
• M80: 42,075,448 km (0.088 R)
• M81: 44,032,039 km (0.089 R)
• M82: 44,110,877 km (0.113 R)
• M83: 44,664,389 km (0.039 R)
• M84: 44,822,963 km (0.113 R)
• M85: 47,223,709 km (0.064 R)
• M86: 49,174,166 km (0.065 R)
• M87: 49,912,432 km (0.073 R)
• M88: 50,241,697 km (0.079 R)
• M89: 51,482,761 km (0.047 R)
• M90: 51,732,290 km (0.071 R)
• M91: 54,164,153 km (0.05 R)
• M92: 54,417,871 km (0.043 R)
• M93: 54,926,504 km (0.116 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 20,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit