🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.74 AU - 0.76 AU

Year: 241 Days

Day: 37 Hours

Environment

Temp: 119 °C

Axial Tilt: 44.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.73 AU - 2.75 AU

Year: 1243 Days

Day: 26.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,627,814 km

• M1: 967,599 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.35 AU - 2.95 AU

Year: 1600 Days

Day: 24.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.37 AU - 3.05 AU

Year: 1654 Days

Day: 29.6 Hours

Environment

Temp: -107 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.44 AU - 4.08 AU

Year: 2704 Days

Day: 43.1 Hours

Environment

Temp: -117 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.16 AU - 4.52 AU

Year: 3353 Days

Day: 19.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,627,814 km

• M1: 2,979,690 km (0.105 R)

Asteroid Belt

Center: 5.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 9.2

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.04 AU - 7.52 AU

Year: 7285 Days

Day: 7.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 66,627,814 km

• M1: 193,430 km (0.118 R)
• M2: 259,552 km (0.101 R)
• M3: 370,105 km (0.115 R)
• M4: 659,876 km (0.116 R)
• M5: 761,603 km (0.118 R)
• M6: 1,151,305 km (0.109 R)
• M7: 1,312,572 km (0.094 R)
• M8: 1,558,660 km (0.06 R)
• M9: 1,758,224 km (0.057 R)
• M10: 2,008,651 km (0.107 R)
• M11: 2,383,244 km (0.076 R)
• M12: 3,047,309 km (0.117 R)
• M13: 3,196,906 km (0.103 R)
• M14: 3,660,062 km (0.09 R)
• M15: 4,199,511 km (0.097 R)
• M16: 4,282,538 km (0.115 R)
• M17: 4,422,263 km (0.082 R)
• M18: 4,735,072 km (0.068 R)
• M19: 4,792,667 km (0.051 R)
• M20: 5,472,290 km (0.032 R)
• M21: 6,276,827 km (0.095 R)
• M22: 6,435,700 km (0.095 R)
• M23: 6,790,098 km (0.084 R)
• M24: 8,550,266 km (0.073 R)
• M25: 8,620,577 km (0.103 R)
• M26: 9,226,748 km (0.064 R)
• M27: 9,299,004 km (0.059 R)
• M28: 10,068,685 km (0.113 R)
• M29: 10,143,184 km (0.088 R)
• M30: 10,706,869 km (0.035 R)
• M31: 10,973,303 km (0.102 R)
• M32: 11,088,344 km (0.112 R)
• M33: 11,242,130 km (0.071 R)
• M34: 11,319,323 km (0.066 R)
• M35: 11,786,068 km (0.068 R)
• M36: 11,943,146 km (0.099 R)
• M37: 12,378,476 km (0.036 R)
• M38: 13,061,689 km (0.106 R)
• M39: 13,839,598 km (0.081 R)
• M40: 14,380,544 km (0.112 R)
• M41: 14,464,319 km (0.078 R)
• M42: 15,055,679 km (0.067 R)
• M43: 17,320,890 km (0.08 R)
• M44: 17,499,510 km (0.108 R)
• M45: 17,813,516 km (0.074 R)
• M46: 18,084,139 km (0.1 R)
• M47: 18,220,123 km (0.084 R)
• M48: 20,392,284 km (0.079 R)
• M49: 21,869,264 km (0.104 R)
• M50: 21,965,755 km (0.1 R)
• M51: 22,159,185 km (0.09 R)
• M52: 23,281,917 km (0.093 R)
• M53: 23,479,087 km (0.063 R)
• M54: 23,825,555 km (0.071 R)
• M55: 24,373,233 km (0.037 R)
• M56: 24,523,429 km (0.084 R)
• M57: 24,874,835 km (0.115 R)
• M58: 25,126,907 km (0.114 R)
• M59: 25,227,886 km (0.071 R)
• M60: 26,811,678 km (0.115 R)
• M61: 27,018,273 km (0.086 R)
• M62: 27,902,696 km (0.12 R)
• M63: 28,007,265 km (0.118 R)
• M64: 28,585,311 km (0.059 R)
• M65: 29,539,596 km (0.06 R)
• M66: 29,646,259 km (0.115 R)
• M67: 29,806,478 km (0.062 R)
• M68: 30,127,964 km (0.104 R)
• M69: 30,612,063 km (0.051 R)
• M70: 31,261,766 km (0.081 R)
• M71: 32,574,637 km (0.081 R)
• M72: 33,016,250 km (0.056 R)
• M73: 33,793,860 km (0.112 R)
• M74: 34,185,058 km (0.105 R)
• M75: 35,140,989 km (0.11 R)
• M76: 35,480,576 km (0.097 R)
• M77: 35,991,901 km (0.119 R)
• M78: 36,391,178 km (0.098 R)
• M79: 37,424,899 km (0.113 R)
• M80: 38,643,075 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.5

Radius: 11.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.22 AU - 9.74 AU

Year: 8360 Days

Day: 9.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 66,627,814 km

• M1: 169,644 km (0.029 R)
• M2: 267,032 km (0.111 R)
• M3: 381,175 km (0.039 R)
• M4: 491,579 km (0.101 R)
• M5: 689,048 km (0.106 R)
• M6: 948,301 km (0.105 R)
• M7: 1,395,449 km (0.078 R)
• M8: 2,062,955 km (0.052 R)
• M9: 2,394,164 km (0.067 R)
• M10: 2,666,432 km (0.067 R)
• M11: 3,080,519 km (0.117 R)
• M12: 3,160,405 km (0.073 R)
• M13: 3,404,548 km (0.085 R)
• M14: 3,542,926 km (0.12 R)
• M15: 4,027,324 km (0.062 R)
• M16: 4,411,940 km (0.102 R)
• M17: 4,808,674 km (0.097 R)
• M18: 5,280,655 km (0.093 R)
• M19: 5,966,412 km (0.117 R)
• M20: 6,889,132 km (0.062 R)
• M21: 7,492,909 km (0.097 R)
• M22: 7,892,784 km (0.094 R)
• M23: 8,003,037 km (0.12 R)
• M24: 9,056,805 km (0.114 R)
• M25: 9,404,769 km (0.104 R)
• M26: 9,482,560 km (0.075 R)
• M27: 9,678,384 km (0.117 R)
• M28: 10,677,249 km (0.098 R)
• M29: 11,003,821 km (0.107 R)
• M30: 11,792,800 km (0.086 R)
• M31: 12,003,434 km (0.108 R)
• M32: 12,599,881 km (0.059 R)
• M33: 12,988,386 km (0.116 R)
• M34: 13,075,303 km (0.112 R)
• M35: 13,249,584 km (0.12 R)
• M36: 13,337,099 km (0.111 R)
• M37: 13,910,358 km (0.029 R)
• M38: 15,263,770 km (0.079 R)
• M39: 15,447,327 km (0.113 R)
• M40: 15,724,232 km (0.046 R)
• M41: 16,236,007 km (0.044 R)
• M42: 16,658,920 km (0.086 R)
• M43: 17,276,011 km (0.109 R)
• M44: 17,563,388 km (0.1 R)
• M45: 17,852,411 km (0.091 R)
• M46: 19,668,978 km (0.05 R)
• M47: 20,019,337 km (0.106 R)
• M48: 20,827,764 km (0.111 R)
• M49: 21,184,854 km (0.089 R)
• M50: 21,389,803 km (0.112 R)
• M51: 23,581,112 km (0.114 R)
• M52: 24,381,012 km (0.087 R)
• M53: 27,055,373 km (0.091 R)
• M54: 27,277,676 km (0.091 R)
• M55: 27,444,926 km (0.082 R)
• M56: 28,004,721 km (0.032 R)
• M57: 28,286,115 km (0.1 R)
• M58: 28,794,748 km (0.081 R)
• M59: 29,135,681 km (0.107 R)
• M60: 29,363,668 km (0.091 R)
• M61: 29,763,992 km (0.102 R)
• M62: 30,166,261 km (0.104 R)
• M63: 30,281,451 km (0.07 R)
• M64: 30,801,902 km (0.098 R)
• M65: 32,498,941 km (0.115 R)
• M66: 32,853,787 km (0.115 R)
• M67: 34,046,082 km (0.052 R)
• M68: 34,406,463 km (0.1 R)
• M69: 34,707,903 km (0.117 R)
• M70: 35,191,852 km (0.062 R)
• M71: 35,678,045 km (0.118 R)
• M72: 36,288,853 km (0.113 R)
• M73: 36,657,163 km (0.107 R)
• M74: 37,149,938 km (0.116 R)
• M75: 38,266,986 km (0.098 R)
• M76: 39,080,499 km (0.093 R)
• M77: 39,836,567 km (0.113 R)
• M78: 40,089,537 km (0.087 R)
• M79: 40,279,675 km (0.086 R)
• M80: 40,788,308 km (0.09 R)
• M81: 40,915,766 km (0.113 R)
• M82: 41,171,129 km (0.091 R)
• M83: 43,038,260 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846

Radius: 9.8

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 11.52 AU - 11.78 AU

Year: 14747 Days

Day: 7.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 66,627,814 km

• M1: 138,677 km (0.075 R)
• M2: 614,548 km (0.099 R)
• M3: 1,003,203 km (0.109 R)
• M4: 1,275,322 km (0.105 R)
• M5: 1,460,674 km (0.109 R)
• M6: 2,193,554 km (0.055 R)
• M7: 2,851,934 km (0.087 R)
• M8: 2,955,904 km (0.064 R)
• M9: 3,420,705 km (0.099 R)
• M10: 5,328,227 km (0.097 R)
• M11: 5,413,797 km (0.04 R)
• M12: 5,543,050 km (0.114 R)
• M13: 5,717,032 km (0.085 R)
• M14: 5,848,678 km (0.071 R)
• M15: 6,567,795 km (0.105 R)
• M16: 6,705,725 km (0.12 R)
• M17: 8,187,043 km (0.091 R)
• M18: 8,435,076 km (0.104 R)
• M19: 8,837,345 km (0.077 R)
• M20: 8,989,785 km (0.081 R)
• M21: 9,194,435 km (0.037 R)
• M22: 10,134,358 km (0.056 R)
• M23: 11,379,461 km (0.077 R)
• M24: 12,048,014 km (0.07 R)
• M25: 12,160,661 km (0.077 R)
• M26: 12,729,432 km (0.035 R)
• M27: 12,959,364 km (0.105 R)
• M28: 13,365,074 km (0.082 R)
• M29: 13,892,705 km (0.085 R)
• M30: 14,367,679 km (0.048 R)
• M31: 15,029,200 km (0.106 R)
• M32: 15,272,297 km (0.06 R)
• M33: 16,883,616 km (0.077 R)
• M34: 17,073,007 km (0.066 R)
• M35: 17,263,145 km (0.106 R)
• M36: 18,809,239 km (0.1 R)
• M37: 18,874,614 km (0.089 R)
• M38: 19,071,185 km (0.101 R)
• M39: 20,264,976 km (0.11 R)
• M40: 22,376,999 km (0.1 R)
• M41: 23,283,413 km (0.062 R)
• M42: 23,847,247 km (0.071 R)
• M43: 24,844,616 km (0.104 R)
• M44: 26,146,865 km (0.111 R)
• M45: 27,101,150 km (0.047 R)
• M46: 27,249,103 km (0.104 R)
• M47: 27,397,204 km (0.063 R)
• M48: 27,992,155 km (0.073 R)
• M49: 28,666,842 km (0.081 R)
• M50: 28,892,884 km (0.07 R)
• M51: 29,955,627 km (0.072 R)
• M52: 31,962,931 km (0.107 R)
• M53: 32,197,351 km (0.117 R)
• M54: 33,061,728 km (0.12 R)
• M55: 34,252,826 km (0.094 R)
• M56: 35,943,731 km (0.036 R)
• M57: 37,086,060 km (0.106 R)
• M58: 37,414,577 km (0.108 R)
• M59: 38,738,518 km (0.078 R)
• M60: 39,155,298 km (0.083 R)
• M61: 39,406,174 km (0.115 R)
• M62: 40,499,285 km (0.071 R)
• M63: 40,668,480 km (0.047 R)
• M64: 41,092,142 km (0.115 R)
• M65: 43,491,691 km (0.065 R)
• M66: 45,233,310 km (0.083 R)
• M67: 45,320,974 km (0.112 R)
• M68: 45,496,452 km (0.029 R)
• M69: 45,848,307 km (0.104 R)
• M70: 46,465,996 km (0.092 R)
• M71: 47,175,240 km (0.115 R)
• M72: 47,353,261 km (0.057 R)
• M73: 47,620,443 km (0.12 R)
• M74: 48,784,314 km (0.102 R)
• M75: 48,874,372 km (0.117 R)
• M76: 49,324,812 km (0.078 R)
• M77: 52,700,487 km (0.114 R)
• M78: 53,162,446 km (0.06 R)
• M79: 54,836,296 km (0.05 R)
• M80: 55,679,729 km (0.074 R)
• M81: 56,810,988 km (0.097 R)
• M82: 56,905,684 km (0.112 R)
• M83: 57,284,615 km (0.099 R)
• M84: 59,864,580 km (0.088 R)
• M85: 60,346,584 km (0.101 R)
• M86: 61,994,704 km (0.042 R)
• M87: 62,482,243 km (0.115 R)
• M88: 63,166,953 km (0.077 R)
• M89: 64,346,532 km (0.047 R)
• M90: 65,831,291 km (0.073 R)
• M91: 66,129,589 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 12,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit