🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.18 AU - 1.34 AU

Year: 519 Days

Day: 33.3 Hours

Environment

Temp: 1 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.2 AU - 1.76 AU

Year: 661 Days

Day: 46.6 Hours

Environment

Temp: -44 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.88 AU - 3.2 AU

Year: 1946 Days

Day: 21.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.62 AU - 4.4 AU

Year: 2948 Days

Day: 17 Hours

Environment

Temp: -132 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 90,505,785 km

• M1: 571,464 km (0.112 R)
• M2: 1,417,440 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.4

Radius: 10.9

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.94 AU - 7.4 AU

Year: 7048 Days

Day: 11.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 90,505,785 km

• M1: 146,905 km (0.11 R)
• M2: 289,621 km (0.093 R)
• M3: 390,750 km (0.1 R)
• M4: 539,151 km (0.107 R)
• M5: 926,310 km (0.11 R)
• M6: 1,177,186 km (0.083 R)
• M7: 1,345,334 km (0.083 R)
• M8: 1,705,715 km (0.094 R)
• M9: 2,177,696 km (0.082 R)
• M10: 2,689,171 km (0.097 R)
• M11: 2,913,419 km (0.069 R)
• M12: 3,081,716 km (0.102 R)
• M13: 3,190,474 km (0.097 R)
• M14: 3,396,021 km (0.063 R)
• M15: 3,920,661 km (0.099 R)
• M16: 4,038,843 km (0.119 R)
• M17: 4,261,595 km (0.077 R)
• M18: 4,737,017 km (0.092 R)
• M19: 5,081,840 km (0.078 R)
• M20: 5,815,019 km (0.115 R)
• M21: 5,892,211 km (0.081 R)
• M22: 6,066,942 km (0.067 R)
• M23: 6,203,973 km (0.109 R)
• M24: 6,481,328 km (0.064 R)
• M25: 6,823,608 km (0.081 R)
• M26: 7,007,164 km (0.112 R)
• M27: 7,171,722 km (0.115 R)
• M28: 7,316,832 km (0.067 R)
• M29: 7,400,158 km (0.084 R)
• M30: 7,673,174 km (0.07 R)
• M31: 7,928,238 km (0.069 R)
• M32: 8,056,893 km (0.09 R)
• M33: 8,337,837 km (0.071 R)
• M34: 8,468,586 km (0.07 R)
• M35: 8,643,915 km (0.045 R)
• M36: 9,335,206 km (0.055 R)
• M37: 9,561,997 km (0.043 R)
• M38: 10,136,901 km (0.112 R)
• M39: 11,127,838 km (0.064 R)
• M40: 11,879,118 km (0.054 R)
• M41: 12,948,294 km (0.119 R)
• M42: 13,023,991 km (0.084 R)
• M43: 13,379,435 km (0.091 R)
• M44: 13,866,825 km (0.076 R)
• M45: 14,177,689 km (0.052 R)
• M46: 14,281,959 km (0.04 R)
• M47: 14,386,229 km (0.096 R)
• M48: 14,912,065 km (0.038 R)
• M49: 15,497,741 km (0.065 R)
• M50: 15,578,225 km (0.114 R)
• M51: 15,712,713 km (0.047 R)
• M52: 15,793,496 km (0.095 R)
• M53: 16,009,665 km (0.047 R)
• M54: 16,145,350 km (0.114 R)
• M55: 16,335,938 km (0.114 R)
• M56: 16,582,026 km (0.103 R)
• M57: 16,746,734 km (0.119 R)
• M58: 17,160,970 km (0.105 R)
• M59: 17,383,273 km (0.074 R)
• M60: 17,718,521 km (0.118 R)
• M61: 19,052,186 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.3

Radius: 10.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.52 AU - 10.32 AU

Year: 10613 Days

Day: 6.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 90,505,785 km

• M1: 166,054 km (0.097 R)
• M2: 304,132 km (0.1 R)
• M3: 432,338 km (0.115 R)
• M4: 734,226 km (0.112 R)
• M5: 849,267 km (0.09 R)
• M6: 1,290,880 km (0.086 R)
• M7: 1,643,632 km (0.081 R)
• M8: 1,709,156 km (0.068 R)
• M9: 2,026,303 km (0.119 R)
• M10: 2,240,079 km (0.057 R)
• M11: 2,436,501 km (0.08 R)
• M12: 2,846,399 km (0.082 R)
• M13: 2,978,942 km (0.105 R)
• M14: 3,113,580 km (0.032 R)
• M15: 3,643,905 km (0.094 R)
• M16: 4,353,747 km (0.066 R)
• M17: 4,787,431 km (0.088 R)
• M18: 5,073,612 km (0.115 R)
• M19: 5,138,088 km (0.106 R)
• M20: 5,596,307 km (0.078 R)
• M21: 6,412,363 km (0.117 R)
• M22: 7,084,656 km (0.103 R)
• M23: 7,520,883 km (0.094 R)
• M24: 7,853,888 km (0.101 R)
• M25: 8,153,832 km (0.053 R)
• M26: 8,343,223 km (0.081 R)
• M27: 9,037,207 km (0.118 R)
• M28: 9,391,306 km (0.093 R)
• M29: 10,234,888 km (0.118 R)
• M30: 10,316,568 km (0.085 R)
• M31: 10,977,193 km (0.103 R)
• M32: 11,822,421 km (0.041 R)
• M33: 12,166,346 km (0.108 R)
• M34: 13,935,042 km (0.073 R)
• M35: 14,435,447 km (0.089 R)
• M36: 14,618,854 km (0.088 R)
• M37: 15,173,712 km (0.07 R)
• M38: 15,500,733 km (0.096 R)
• M39: 16,639,023 km (0.101 R)
• M40: 17,315,654 km (0.05 R)
• M41: 18,099,697 km (0.037 R)
• M42: 18,446,465 km (0.086 R)
• M43: 18,595,763 km (0.119 R)
• M44: 18,795,327 km (0.114 R)
• M45: 19,297,677 km (0.106 R)
• M46: 19,398,655 km (0.06 R)
• M47: 20,934,277 km (0.101 R)
• M48: 21,454,878 km (0.082 R)
• M49: 21,979,817 km (0.095 R)
• M50: 22,138,091 km (0.074 R)
• M51: 23,042,111 km (0.065 R)
• M52: 23,310,340 km (0.077 R)
• M53: 23,687,626 km (0.066 R)
• M54: 23,795,785 km (0.095 R)
• M55: 24,066,857 km (0.114 R)
• M56: 24,502,785 km (0.092 R)
• M57: 24,721,647 km (0.098 R)
• M58: 24,941,256 km (0.067 R)
• M59: 25,492,973 km (0.049 R)
• M60: 25,993,079 km (0.073 R)
• M61: 26,104,679 km (0.109 R)
• M62: 27,172,508 km (0.034 R)
• M63: 27,455,847 km (0.028 R)
• M64: 27,911,372 km (0.066 R)
• M65: 28,541,628 km (0.113 R)
• M66: 28,772,009 km (0.108 R)
• M67: 30,225,951 km (0.106 R)
• M68: 31,109,625 km (0.095 R)
• M69: 31,822,758 km (0.107 R)
• M70: 31,942,137 km (0.037 R)
• M71: 32,061,666 km (0.113 R)
• M72: 32,241,183 km (0.103 R)
• M73: 33,083,719 km (0.113 R)
• M74: 33,204,594 km (0.101 R)
• M75: 33,325,618 km (0.12 R)
• M76: 34,238,465 km (0.079 R)
• M77: 36,213,306 km (0.098 R)
• M78: 40,401,299 km (0.111 R)
• M79: 40,465,925 km (0.064 R)
• M80: 40,530,551 km (0.052 R)
• M81: 40,724,729 km (0.054 R)
• M82: 40,919,356 km (0.104 R)
• M83: 41,309,208 km (0.077 R)
• M84: 41,504,583 km (0.039 R)
• M85: 44,006,607 km (0.11 R)
• M86: 44,339,462 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.7

Radius: 7.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 15.01 AU - 15.85 AU

Year: 22250 Days

Day: 22.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 90,505,785 km

• M1: 135,536 km (0.086 R)
• M2: 253,568 km (0.064 R)
• M3: 534,663 km (0.094 R)
• M4: 746,643 km (0.114 R)
• M5: 914,043 km (0.105 R)
• M6: 1,206,956 km (0.103 R)
• M7: 1,591,422 km (0.118 R)
• M8: 2,104,992 km (0.049 R)
• M9: 2,175,602 km (0.076 R)
• M10: 2,924,938 km (0.078 R)
• M11: 3,437,609 km (0.062 R)
• M12: 3,747,277 km (0.038 R)
• M13: 3,862,019 km (0.076 R)
• M14: 4,095,242 km (0.066 R)
• M15: 4,393,091 km (0.105 R)
• M16: 4,544,783 km (0.064 R)
• M17: 4,978,468 km (0.072 R)
• M18: 5,752,637 km (0.098 R)
• M19: 6,842,008 km (0.119 R)
• M20: 6,982,630 km (0.1 R)
• M21: 7,736,603 km (0.088 R)
• M22: 7,919,861 km (0.094 R)
• M23: 8,178,964 km (0.064 R)
• M24: 8,253,464 km (0.068 R)
• M25: 8,591,705 km (0.095 R)
• M26: 8,819,692 km (0.089 R)
• M27: 9,870,318 km (0.087 R)
• M28: 10,069,133 km (0.107 R)
• M29: 10,349,779 km (0.036 R)
• M30: 10,796,030 km (0.119 R)
• M31: 11,248,563 km (0.03 R)
• M32: 11,665,343 km (0.097 R)
• M33: 12,257,302 km (0.103 R)
• M34: 14,002,062 km (0.116 R)
• M35: 15,131,376 km (0.088 R)
• M36: 15,915,867 km (0.093 R)
• M37: 17,765,346 km (0.103 R)
• M38: 18,055,865 km (0.095 R)
• M39: 18,250,342 km (0.091 R)
• M40: 18,299,111 km (0.056 R)
• M41: 18,543,554 km (0.116 R)
• M42: 19,035,581 km (0.092 R)
• M43: 19,432,165 km (0.096 R)
• M44: 19,931,971 km (0.083 R)
• M45: 20,385,403 km (0.095 R)
• M46: 21,148,501 km (0.114 R)
• M47: 21,869,264 km (0.087 R)
• M48: 21,972,786 km (0.115 R)
• M49: 22,024,696 km (0.098 R)
• M50: 22,545,745 km (0.087 R)
• M51: 23,176,151 km (0.116 R)
• M52: 23,652,919 km (0.107 R)
• M53: 23,972,460 km (0.116 R)
• M54: 24,400,759 km (0.073 R)
• M55: 24,777,746 km (0.118 R)
• M56: 24,885,755 km (0.066 R)
• M57: 25,537,254 km (0.118 R)
• M58: 26,194,288 km (0.098 R)
• M59: 26,580,250 km (0.102 R)
• M60: 26,857,007 km (0.076 R)
• M61: 27,637,010 km (0.051 R)
• M62: 28,764,230 km (0.05 R)
• M63: 29,276,453 km (0.041 R)
• M64: 30,656,942 km (0.05 R)
• M65: 30,714,836 km (0.104 R)
• M66: 30,947,162 km (0.084 R)
• M67: 31,121,743 km (0.11 R)
• M68: 31,940,941 km (0.111 R)
• M69: 32,058,524 km (0.081 R)
• M70: 32,117,316 km (0.106 R)
• M71: 32,353,083 km (0.112 R)
• M72: 32,471,265 km (0.042 R)
• M73: 34,500,710 km (0.107 R)
• M74: 34,802,748 km (0.111 R)
• M75: 34,923,773 km (0.112 R)
• M76: 37,435,222 km (0.116 R)
• M77: 37,683,255 km (0.119 R)
• M78: 37,745,488 km (0.072 R)
• M79: 37,994,269 km (0.054 R)
• M80: 38,056,502 km (0.043 R)
• M81: 39,435,495 km (0.079 R)
• M82: 40,004,266 km (0.101 R)
• M83: 40,257,984 km (0.087 R)
• M84: 40,830,644 km (0.056 R)
• M85: 41,470,175 km (0.05 R)
• M86: 41,984,194 km (0.084 R)
• M87: 42,112,997 km (0.094 R)
• M88: 42,953,737 km (0.083 R)
• M89: 43,083,439 km (0.075 R)
• M90: 43,278,514 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.4

Radius: 5.5

Gravity: 22.82 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 15.31 AU - 18.79 AU

Year: 25844 Days

Day: 19.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 90,505,785 km

• M1: 71,209 km (0.1 R)
• M2: 846,874 km (0.09 R)
• M3: 1,110,016 km (0.116 R)
• M4: 1,171,800 km (0.048 R)
• M5: 1,397,543 km (0.093 R)
• M6: 1,498,522 km (0.105 R)
• M7: 1,925,923 km (0.073 R)
• M8: 2,038,570 km (0.102 R)
• M9: 2,309,642 km (0.062 R)
• M10: 2,928,229 km (0.094 R)
• M11: 3,189,427 km (0.096 R)
• M12: 4,356,440 km (0.077 R)
• M13: 4,907,708 km (0.059 R)
• M14: 5,269,884 km (0.11 R)
• M15: 5,640,737 km (0.117 R)
• M16: 6,463,376 km (0.076 R)
• M17: 6,632,422 km (0.086 R)
• M18: 7,090,341 km (0.081 R)
• M19: 7,915,971 km (0.088 R)
• M20: 8,096,835 km (0.099 R)
• M21: 8,771,522 km (0.095 R)
• M22: 9,147,162 km (0.078 R)
• M23: 9,337,002 km (0.072 R)
• M24: 9,720,570 km (0.036 R)
• M25: 11,373,029 km (0.046 R)
• M26: 12,686,049 km (0.103 R)
• M27: 12,968,490 km (0.057 R)
• M28: 13,973,339 km (0.086 R)
• M29: 14,706,368 km (0.11 R)
• M30: 15,226,969 km (0.082 R)
• M31: 15,602,460 km (0.097 R)
• M32: 15,905,096 km (0.119 R)
• M33: 16,057,087 km (0.103 R)
• M34: 16,593,097 km (0.114 R)
• M35: 16,901,867 km (0.114 R)
• M36: 17,997,821 km (0.067 R)
• M37: 18,955,397 km (0.086 R)
• M38: 20,175,367 km (0.033 R)
• M39: 20,587,659 km (0.117 R)
• M40: 21,169,595 km (0.1 R)
• M41: 21,588,469 km (0.043 R)
• M42: 23,205,323 km (0.075 R)
• M43: 23,984,727 km (0.106 R)
• M44: 24,684,696 km (0.079 R)
• M45: 24,860,623 km (0.099 R)
• M46: 25,213,973 km (0.084 R)
• M47: 25,657,980 km (0.098 R)
• M48: 25,836,300 km (0.028 R)
• M49: 26,373,805 km (0.118 R)
• M50: 28,283,721 km (0.044 R)
• M51: 30,426,113 km (0.041 R)
• M52: 31,088,382 km (0.112 R)
• M53: 33,784,884 km (0.078 R)
• M54: 34,568,926 km (0.041 R)
• M55: 35,557,469 km (0.096 R)
• M56: 36,155,113 km (0.097 R)
• M57: 37,461,102 km (0.099 R)
• M58: 38,884,975 km (0.119 R)
• M59: 39,706,416 km (0.105 R)
• M60: 40,119,307 km (0.081 R)
• M61: 41,262,085 km (0.098 R)
• M62: 41,366,504 km (0.088 R)
• M63: 41,471,073 km (0.119 R)
• M64: 44,646,886 km (0.082 R)
• M65: 44,861,260 km (0.075 R)
• M66: 47,025,043 km (0.085 R)
• M67: 47,571,225 km (0.104 R)
• M68: 48,009,697 km (0.056 R)
• M69: 48,559,768 km (0.102 R)
• M70: 49,554,893 km (0.12 R)
• M71: 50,445,300 km (0.112 R)
• M72: 51,790,633 km (0.069 R)
• M73: 53,716,556 km (0.112 R)
• M74: 54,401,864 km (0.088 R)
• M75: 55,205,205 km (0.108 R)
• M76: 58,339,878 km (0.112 R)
• M77: 60,817,668 km (0.101 R)
• M78: 61,293,539 km (0.095 R)
• M79: 61,651,227 km (0.119 R)
• M80: 62,848,459 km (0.104 R)
• M81: 62,968,736 km (0.085 R)
• M82: 63,088,863 km (0.115 R)
• M83: 63,329,566 km (0.114 R)
• M84: 65,753,201 km (0.088 R)
• M85: 66,608,602 km (0.09 R)
• M86: 66,976,313 km (0.114 R)
• M87: 67,344,773 km (0.078 R)
• M88: 69,818,074 km (0.073 R)
• M89: 71,566,873 km (0.07 R)
• M90: 72,446,808 km (0.115 R)
• M91: 74,344,158 km (0.081 R)
• M92: 78,964,189 km (0.097 R)
• M93: 80,264,045 km (0.098 R)
• M94: 81,964,225 km (0.109 R)
• M95: 82,226,918 km (0.083 R)
• M96: 84,868,518 km (0.072 R)
• M97: 86,734,153 km (0.088 R)
• M98: 88,343,975 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 16,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit