🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.5 AU - 0.8 AU

Year: 200 Days

Day: 17.1 Hours

Environment

Temp: 122 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 76,794,987 km

• M1: 156,779 km (0.081 R)
• M2: 215,720 km (0.04 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.56 AU - 0.86 AU

Year: 228 Days

Day: 31.4 Hours

Environment

Temp: 117 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 76,794,987 km

• M1: 83,176 km (0.092 R)
• M2: 444,605 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.62 AU - 0.96 AU

Year: 267 Days

Day: 19.1 Hours

Environment

Temp: 143 °C

Axial Tilt: 126.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.79 AU - 1.19 AU

Year: 375 Days

Day: 33.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.95 AU - 1.41 AU

Year: 488 Days

Day: 42.2 Hours

Environment

Temp: -9 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 76,794,987 km

• M1: 47,123 km (0.062 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.96 AU - 2.94 AU

Year: 1460 Days

Day: 12.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,794,987 km

• M1: 1,711,250 km (0.077 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.75 AU - 4.25 AU

Year: 3046 Days

Day: 30.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.2

Radius: 10

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.7 AU - 7.44 AU

Year: 6413 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 76,794,987 km

• M1: 200,760 km (0.108 R)
• M2: 508,782 km (0.12 R)
• M3: 571,763 km (0.107 R)
• M4: 763,996 km (0.105 R)
• M5: 930,499 km (0.077 R)
• M6: 1,194,389 km (0.097 R)
• M7: 1,500,766 km (0.084 R)
• M8: 1,595,611 km (0.096 R)
• M9: 1,771,688 km (0.116 R)
• M10: 1,852,022 km (0.103 R)
• M11: 2,229,008 km (0.086 R)
• M12: 2,607,042 km (0.099 R)
• M13: 2,981,486 km (0.092 R)
• M14: 3,077,677 km (0.116 R)
• M15: 3,150,681 km (0.1 R)
• M16: 3,273,501 km (0.055 R)
• M17: 3,372,983 km (0.102 R)
• M18: 3,859,176 km (0.088 R)
• M19: 4,982,357 km (0.116 R)
• M20: 5,624,431 km (0.038 R)
• M21: 5,804,098 km (0.103 R)
• M22: 6,510,350 km (0.098 R)
• M23: 6,604,447 km (0.076 R)
• M24: 6,667,427 km (0.115 R)
• M25: 7,049,800 km (0.109 R)
• M26: 7,504,876 km (0.119 R)
• M27: 8,070,356 km (0.113 R)
• M28: 8,239,252 km (0.087 R)
• M29: 8,718,564 km (0.059 R)
• M30: 8,787,828 km (0.052 R)
• M31: 9,136,690 km (0.113 R)
• M32: 9,597,003 km (0.073 R)
• M33: 10,762,071 km (0.079 R)
• M34: 10,910,771 km (0.101 R)
• M35: 11,172,867 km (0.043 R)
• M36: 11,248,114 km (0.096 R)
• M37: 13,622,980 km (0.099 R)
• M38: 14,107,977 km (0.111 R)
• M39: 14,516,379 km (0.081 R)
• M40: 14,639,648 km (0.101 R)
• M41: 14,804,654 km (0.086 R)
• M42: 15,596,625 km (0.109 R)
• M43: 16,061,276 km (0.117 R)
• M44: 16,659,518 km (0.091 R)
• M45: 16,788,621 km (0.084 R)
• M46: 16,918,023 km (0.075 R)
• M47: 17,308,474 km (0.064 R)
• M48: 17,833,562 km (0.085 R)
• M49: 17,921,526 km (0.112 R)
• M50: 18,275,175 km (0.105 R)
• M51: 19,169,172 km (0.061 R)
• M52: 19,667,034 km (0.113 R)
• M53: 19,940,349 km (0.105 R)
• M54: 20,260,788 km (0.043 R)
• M55: 21,232,426 km (0.074 R)
• M56: 21,325,775 km (0.094 R)
• M57: 21,700,368 km (0.088 R)
• M58: 21,841,439 km (0.096 R)
• M59: 22,219,173 km (0.065 R)
• M60: 23,413,413 km (0.111 R)
• M61: 24,824,570 km (0.093 R)
• M62: 25,268,128 km (0.113 R)
• M63: 25,614,895 km (0.092 R)
• M64: 25,813,861 km (0.072 R)
• M65: 26,013,275 km (0.117 R)
• M66: 26,463,714 km (0.078 R)
• M67: 27,220,380 km (0.102 R)
• M68: 27,881,902 km (0.095 R)
• M69: 28,137,714 km (0.078 R)
• M70: 30,475,031 km (0.065 R)
• M71: 31,214,793 km (0.085 R)
• M72: 31,374,114 km (0.06 R)
• M73: 31,907,131 km (0.073 R)
• M74: 32,873,982 km (0.109 R)
• M75: 34,123,274 km (0.042 R)
• M76: 34,781,355 km (0.084 R)
• M77: 35,443,625 km (0.096 R)
• M78: 36,668,532 km (0.032 R)
• M79: 36,948,729 km (0.069 R)
• M80: 37,061,077 km (0.106 R)
• M81: 37,229,824 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.3

Radius: 14.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.6 AU - 8.16 AU

Year: 8423 Days

Day: 6 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 76,794,987 km

• M1: 179,517 km (0.092 R)
• M2: 490,083 km (0.04 R)
• M3: 785,987 km (0.106 R)
• M4: 886,816 km (0.069 R)
• M5: 1,856,659 km (0.116 R)
• M6: 2,011,792 km (0.101 R)
• M7: 2,203,876 km (0.087 R)
• M8: 2,368,733 km (0.118 R)
• M9: 2,589,390 km (0.025 R)
• M10: 3,773,157 km (0.11 R)
• M11: 3,872,191 km (0.056 R)
• M12: 3,992,019 km (0.102 R)
• M13: 4,359,282 km (0.112 R)
• M14: 4,631,400 km (0.109 R)
• M15: 4,930,746 km (0.109 R)
• M16: 5,082,887 km (0.034 R)
• M17: 5,258,664 km (0.065 R)
• M18: 5,391,806 km (0.054 R)
• M19: 6,332,029 km (0.077 R)
• M20: 6,450,211 km (0.104 R)
• M21: 6,785,011 km (0.026 R)
• M22: 6,978,890 km (0.089 R)
• M23: 7,372,333 km (0.049 R)
• M24: 8,387,504 km (0.114 R)
• M25: 8,805,929 km (0.093 R)
• M26: 9,070,867 km (0.106 R)
• M27: 9,392,353 km (0.083 R)
• M28: 9,909,213 km (0.081 R)
• M29: 10,351,574 km (0.03 R)
• M30: 10,659,447 km (0.091 R)
• M31: 11,255,744 km (0.037 R)
• M32: 11,485,825 km (0.087 R)
• M33: 11,892,133 km (0.076 R)
• M34: 12,451,180 km (0.089 R)
• M35: 12,719,110 km (0.058 R)
• M36: 13,018,904 km (0.097 R)
• M37: 14,086,734 km (0.102 R)
• M38: 14,365,884 km (0.111 R)
• M39: 14,490,648 km (0.071 R)
• M40: 15,024,413 km (0.066 R)
• M41: 16,046,765 km (0.064 R)
• M42: 16,305,869 km (0.036 R)
• M43: 16,729,979 km (0.12 R)
• M44: 16,894,088 km (0.063 R)
• M45: 17,124,618 km (0.117 R)
• M46: 17,389,556 km (0.106 R)
• M47: 17,555,759 km (0.042 R)
• M48: 18,327,086 km (0.11 R)
• M49: 18,496,281 km (0.081 R)
• M50: 19,109,632 km (0.113 R)
• M51: 19,937,806 km (0.102 R)
• M52: 20,111,788 km (0.104 R)
• M53: 21,379,630 km (0.032 R)
• M54: 22,239,070 km (0.116 R)
• M55: 22,600,648 km (0.047 R)
• M56: 22,818,462 km (0.108 R)
• M57: 23,219,684 km (0.085 R)
• M58: 23,586,348 km (0.108 R)
• M59: 24,325,661 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.2

Radius: 5.6

Gravity: 24.46 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 11.46 AU - 15.8 AU

Year: 19162 Days

Day: 22.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 76,794,987 km

• M1: 146,307 km (0.07 R)
• M2: 550,670 km (0.118 R)
• M3: 876,494 km (0.082 R)
• M4: 2,495,891 km (0.114 R)
• M5: 2,569,044 km (0.046 R)
• M6: 2,755,144 km (0.111 R)
• M7: 3,542,178 km (0.068 R)
• M8: 3,791,109 km (0.113 R)
• M9: 4,131,893 km (0.108 R)
• M10: 4,218,660 km (0.111 R)
• M11: 4,306,025 km (0.084 R)
• M12: 4,349,857 km (0.115 R)
• M13: 4,842,633 km (0.073 R)
• M14: 4,934,037 km (0.111 R)
• M15: 5,352,911 km (0.049 R)
• M16: 7,087,199 km (0.047 R)
• M17: 7,347,948 km (0.114 R)
• M18: 8,698,817 km (0.066 R)
• M19: 9,147,162 km (0.098 R)
• M20: 9,602,837 km (0.075 R)
• M21: 9,717,878 km (0.071 R)
• M22: 10,007,649 km (0.07 R)
• M23: 10,065,992 km (0.095 R)
• M24: 10,417,996 km (0.085 R)
• M25: 10,536,328 km (0.072 R)
• M26: 10,774,188 km (0.118 R)
• M27: 10,893,717 km (0.068 R)
• M28: 11,255,295 km (0.117 R)
• M29: 12,051,754 km (0.085 R)
• M30: 12,363,067 km (0.115 R)
• M31: 13,634,200 km (0.112 R)
• M32: 15,820,573 km (0.063 R)
• M33: 16,435,570 km (0.077 R)
• M34: 16,573,350 km (0.102 R)
• M35: 16,849,956 km (0.116 R)
• M36: 18,469,652 km (0.098 R)
• M37: 18,612,967 km (0.111 R)
• M38: 18,828,388 km (0.109 R)
• M39: 19,044,707 km (0.087 R)
• M40: 20,953,575 km (0.034 R)
• M41: 21,553,164 km (0.11 R)
• M42: 21,628,411 km (0.118 R)
• M43: 22,082,291 km (0.097 R)
• M44: 22,310,428 km (0.072 R)
• M45: 23,385,289 km (0.057 R)
• M46: 24,398,366 km (0.092 R)
• M47: 27,767,758 km (0.12 R)
• M48: 29,841,484 km (0.099 R)
• M49: 29,925,558 km (0.075 R)
• M50: 30,093,706 km (0.038 R)
• M51: 32,136,465 km (0.113 R)
• M52: 33,087,608 km (0.08 R)
• M53: 33,174,525 km (0.083 R)
• M54: 33,348,657 km (0.114 R)
• M55: 37,164,150 km (0.071 R)
• M56: 37,345,014 km (0.092 R)
• M57: 37,435,521 km (0.115 R)
• M58: 38,162,267 km (0.069 R)
• M59: 38,253,372 km (0.071 R)
• M60: 39,999,329 km (0.097 R)
• M61: 40,277,282 km (0.088 R)
• M62: 45,004,724 km (0.119 R)
• M63: 45,874,187 km (0.072 R)
• M64: 45,971,126 km (0.082 R)
• M65: 47,924,127 km (0.109 R)
• M66: 48,712,956 km (0.102 R)
• M67: 48,811,840 km (0.092 R)
• M68: 49,506,124 km (0.049 R)
• M69: 50,303,481 km (0.079 R)
• M70: 50,403,412 km (0.106 R)
• M71: 51,105,026 km (0.11 R)
• M72: 51,809,931 km (0.1 R)
• M73: 52,923,987 km (0.088 R)
• M74: 54,045,971 km (0.081 R)
• M75: 56,106,083 km (0.099 R)
• M76: 56,625,038 km (0.1 R)
• M77: 58,086,759 km (0.112 R)
• M78: 59,455,131 km (0.092 R)
• M79: 59,560,747 km (0.097 R)
• M80: 61,474,103 km (0.059 R)
• M81: 61,580,916 km (0.109 R)
• M82: 62,760,795 km (0.108 R)
• M83: 64,707,362 km (0.071 R)
• M84: 67,333,553 km (0.091 R)
• M85: 67,553,910 km (0.089 R)
• M86: 67,774,567 km (0.054 R)
• M87: 68,216,629 km (0.093 R)
• M88: 68,992,444 km (0.114 R)
• M89: 69,771,250 km (0.088 R)
• M90: 69,994,301 km (0.108 R)
• M91: 70,329,400 km (0.119 R)
• M92: 71,449,888 km (0.12 R)
• M93: 71,787,231 km (0.036 R)
• M94: 73,368,331 km (0.1 R)
• M95: 74,163,294 km (0.09 R)
• M96: 75,303,679 km (0.084 R)
• M97: 75,876,190 km (0.048 R)
• M98: 76,795,020 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 17,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit