🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.71 AU - 0.89 AU

Year: 265 Days

Day: 27.6 Hours

Environment

Temp: 150 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.83 AU - 1.05 AU

Year: 338 Days

Day: 18.3 Hours

Environment

Temp: 29 °C

Axial Tilt: 13.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,044,220 km

• M1: 104,270 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.21 AU - 1.75 AU

Year: 668 Days

Day: 23.2 Hours

Environment

Temp: -31 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,044,220 km

• M1: 726,896 km (0.054 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.39 AU - 1.59 AU

Year: 675 Days

Day: 37.2 Hours

Environment

Temp: -46 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,044,220 km

• M1: 670,049 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.2 AU - 2.86 AU

Year: 1492 Days

Day: 41.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.26 AU - 3.4 AU

Year: 2254 Days

Day: 19 Hours

Environment

Temp: -109 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.3

Radius: 14.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.14 AU - 6.36 AU

Year: 5113 Days

Day: 12.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 57,044,220 km

• M1: 264,639 km (0.11 R)
• M2: 373,247 km (0.112 R)
• M3: 604,974 km (0.078 R)
• M4: 710,739 km (0.115 R)
• M5: 823,835 km (0.118 R)
• M6: 943,963 km (0.084 R)
• M7: 1,085,333 km (0.08 R)
• M8: 1,203,964 km (0.058 R)
• M9: 1,311,525 km (0.106 R)
• M10: 2,102,000 km (0.12 R)
• M11: 2,728,516 km (0.069 R)
• M12: 3,063,166 km (0.119 R)
• M13: 3,192,119 km (0.094 R)
• M14: 3,703,594 km (0.069 R)
• M15: 3,980,799 km (0.118 R)
• M16: 4,193,228 km (0.075 R)
• M17: 4,482,551 km (0.112 R)
• M18: 4,728,639 km (0.07 R)
• M19: 5,311,622 km (0.036 R)
• M20: 5,519,862 km (0.075 R)
• M21: 5,624,880 km (0.088 R)
• M22: 5,837,309 km (0.106 R)
• M23: 6,881,801 km (0.064 R)
• M24: 7,806,166 km (0.066 R)
• M25: 8,373,442 km (0.085 R)
• M26: 8,524,984 km (0.106 R)
• M27: 8,708,092 km (0.053 R)
• M28: 8,954,181 km (0.059 R)
• M29: 9,233,779 km (0.116 R)
• M30: 9,421,823 km (0.108 R)
• M31: 9,642,929 km (0.089 R)
• M32: 10,348,732 km (0.101 R)
• M33: 10,576,869 km (0.032 R)
• M34: 10,971,807 km (0.051 R)
• M35: 11,405,192 km (0.113 R)
• M36: 11,810,303 km (0.101 R)
• M37: 12,048,762 km (0.089 R)
• M38: 12,565,324 km (0.093 R)
• M39: 12,913,587 km (0.092 R)
• M40: 13,513,176 km (0.109 R)
• M41: 14,922,687 km (0.094 R)
• M42: 15,106,842 km (0.104 R)
• M43: 15,254,644 km (0.073 R)
• M44: 15,477,396 km (0.084 R)
• M45: 16,265,178 km (0.087 R)
• M46: 17,490,833 km (0.06 R)
• M47: 17,685,011 km (0.096 R)
• M48: 17,879,938 km (0.093 R)
• M49: 18,468,904 km (0.097 R)
• M50: 19,424,536 km (0.069 R)
• M51: 19,545,261 km (0.11 R)
• M52: 19,787,161 km (0.061 R)
• M53: 20,314,792 km (0.115 R)
• M54: 20,806,072 km (0.06 R)
• M55: 21,011,769 km (0.069 R)
• M56: 21,508,583 km (0.113 R)
• M57: 22,598,105 km (0.041 R)
• M58: 23,405,784 km (0.097 R)
• M59: 23,920,700 km (0.074 R)
• M60: 24,352,738 km (0.045 R)
• M61: 24,526,272 km (0.109 R)
• M62: 24,787,320 km (0.117 R)
• M63: 24,918,218 km (0.111 R)
• M64: 25,443,905 km (0.073 R)
• M65: 25,752,376 km (0.057 R)
• M66: 25,929,201 km (0.083 R)
• M67: 26,774,578 km (0.091 R)
• M68: 27,448,217 km (0.078 R)
• M69: 27,764,617 km (0.09 R)
• M70: 28,127,691 km (0.103 R)
• M71: 28,996,106 km (0.105 R)
• M72: 29,410,493 km (0.107 R)
• M73: 29,595,396 km (0.098 R)
• M74: 30,993,986 km (0.085 R)
• M75: 31,464,920 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.5

Radius: 12.5

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.43 AU - 9.37 AU

Year: 9029 Days

Day: 11.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 57,044,220 km

• M1: 172,038 km (0.051 R)
• M2: 387,458 km (0.077 R)
• M3: 476,320 km (0.117 R)
• M4: 618,886 km (0.077 R)
• M5: 712,385 km (0.045 R)
• M6: 863,030 km (0.037 R)
• M7: 1,100,891 km (0.096 R)
• M8: 1,596,359 km (0.079 R)
• M9: 2,035,129 km (0.087 R)
• M10: 2,231,252 km (0.104 R)
• M11: 2,485,269 km (0.077 R)
• M12: 2,642,198 km (0.046 R)
• M13: 3,105,203 km (0.059 R)
• M14: 3,246,423 km (0.101 R)
• M15: 4,262,343 km (0.092 R)
• M16: 4,388,005 km (0.106 R)
• M17: 4,515,013 km (0.11 R)
• M18: 4,611,055 km (0.097 R)
• M19: 5,336,306 km (0.119 R)
• M20: 5,574,615 km (0.113 R)
• M21: 6,382,294 km (0.091 R)
• M22: 6,526,506 km (0.117 R)
• M23: 6,635,414 km (0.058 R)
• M24: 7,002,826 km (0.106 R)
• M25: 7,301,722 km (0.09 R)
• M26: 7,414,818 km (0.113 R)
• M27: 7,950,528 km (0.114 R)
• M28: 8,105,961 km (0.105 R)
• M29: 8,857,690 km (0.078 R)
• M30: 10,855,121 km (0.057 R)
• M31: 11,859,970 km (0.079 R)
• M32: 11,993,112 km (0.09 R)
• M33: 13,077,098 km (0.045 R)
• M34: 14,051,279 km (0.109 R)
• M35: 15,289,501 km (0.115 R)
• M36: 16,265,776 km (0.048 R)
• M37: 17,061,188 km (0.105 R)
• M38: 17,362,778 km (0.094 R)
• M39: 17,920,329 km (0.055 R)
• M40: 18,175,692 km (0.039 R)
• M41: 18,380,791 km (0.105 R)
• M42: 19,996,747 km (0.089 R)
• M43: 20,102,663 km (0.116 R)
• M44: 20,208,578 km (0.118 R)
• M45: 20,527,820 km (0.081 R)
• M46: 21,063,380 km (0.048 R)
• M47: 21,171,091 km (0.112 R)
• M48: 21,386,960 km (0.034 R)
• M49: 23,196,047 km (0.094 R)
• M50: 23,530,249 km (0.091 R)
• M51: 23,697,948 km (0.105 R)
• M52: 24,372,784 km (0.076 R)
• M53: 24,599,126 km (0.12 R)
• M54: 25,396,782 km (0.104 R)
• M55: 26,492,736 km (0.111 R)
• M56: 26,725,510 km (0.042 R)
• M57: 27,899,404 km (0.117 R)
• M58: 28,910,387 km (0.118 R)
• M59: 29,631,149 km (0.107 R)
• M60: 30,723,513 km (0.087 R)
• M61: 31,090,626 km (0.089 R)
• M62: 31,459,086 km (0.102 R)
• M63: 32,324,659 km (0.093 R)
• M64: 33,826,622 km (0.095 R)
• M65: 35,031,633 km (0.026 R)
• M66: 35,415,202 km (0.118 R)
• M67: 36,703,538 km (0.096 R)
• M68: 37,353,392 km (0.114 R)
• M69: 37,876,086 km (0.067 R)
• M70: 38,401,175 km (0.087 R)
• M71: 40,458,744 km (0.051 R)
• M72: 41,602,270 km (0.078 R)
• M73: 42,279,799 km (0.027 R)
• M74: 42,824,485 km (0.08 R)
• M75: 43,234,533 km (0.065 R)
• M76: 43,852,073 km (0.062 R)
• M77: 45,304,369 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.5

Radius: 5.3

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 13.84 AU - 14.88 AU

Year: 20181 Days

Day: 17.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 57,044,220 km

• M1: 122,820 km (0.086 R)
• M2: 291,117 km (0.039 R)
• M3: 539,001 km (0.091 R)
• M4: 609,761 km (0.115 R)
• M5: 841,338 km (0.107 R)
• M6: 882,478 km (0.105 R)
• M7: 1,403,826 km (0.117 R)
• M8: 1,655,899 km (0.073 R)
• M9: 1,760,767 km (0.073 R)
• M10: 2,004,462 km (0.118 R)
• M11: 2,375,465 km (0.064 R)
• M12: 2,675,259 km (0.054 R)
• M13: 2,892,176 km (0.082 R)
• M14: 3,244,479 km (0.088 R)
• M15: 3,509,267 km (0.085 R)
• M16: 3,644,354 km (0.078 R)
• M17: 4,344,921 km (0.072 R)
• M18: 5,010,033 km (0.092 R)
• M19: 5,048,031 km (0.112 R)
• M20: 5,354,557 km (0.108 R)
• M21: 5,588,378 km (0.057 R)
• M22: 5,785,847 km (0.1 R)
• M23: 5,865,433 km (0.03 R)
• M24: 5,945,468 km (0.03 R)
• M25: 6,025,802 km (0.044 R)
• M26: 7,403,000 km (0.092 R)
• M27: 7,576,235 km (0.101 R)
• M28: 7,619,768 km (0.091 R)
• M29: 7,838,779 km (0.117 R)
• M30: 8,193,326 km (0.084 R)
• M31: 8,327,665 km (0.108 R)
• M32: 8,826,424 km (0.069 R)
• M33: 9,288,382 km (0.05 R)
• M34: 9,428,406 km (0.085 R)
• M35: 10,091,424 km (0.063 R)
• M36: 11,411,924 km (0.102 R)
• M37: 12,219,752 km (0.026 R)
• M38: 12,527,326 km (0.059 R)
• M39: 12,733,920 km (0.114 R)
• M40: 13,571,369 km (0.068 R)
• M41: 15,188,821 km (0.102 R)
• M42: 15,464,231 km (0.12 R)
• M43: 15,685,786 km (0.093 R)
• M44: 16,525,927 km (0.117 R)
• M45: 18,483,864 km (0.092 R)
• M46: 18,896,006 km (0.103 R)
• M47: 19,669,278 km (0.091 R)
• M48: 20,090,096 km (0.08 R)
• M49: 21,308,272 km (0.077 R)
• M50: 21,616,593 km (0.027 R)
• M51: 21,678,527 km (0.06 R)
• M52: 22,300,106 km (0.106 R)
• M53: 22,864,539 km (0.12 R)
• M54: 23,116,910 km (0.072 R)
• M55: 23,815,831 km (0.06 R)
• M56: 24,521,485 km (0.105 R)
• M57: 24,974,168 km (0.11 R)
• M58: 25,953,435 km (0.12 R)
• M59: 26,945,269 km (0.054 R)
• M60: 27,345,444 km (0.113 R)
• M61: 28,557,785 km (0.05 R)
• M62: 29,375,636 km (0.052 R)
• M63: 29,444,152 km (0.096 R)
• M64: 30,063,188 km (0.093 R)
• M65: 30,270,381 km (0.061 R)
• M66: 31,664,334 km (0.077 R)
• M67: 33,007,873 km (0.058 R)
• M68: 33,865,966 km (0.063 R)
• M69: 34,658,984 km (0.064 R)
• M70: 35,312,278 km (0.085 R)
• M71: 35,969,761 km (0.097 R)
• M72: 36,852,538 km (0.058 R)
• M73: 38,040,794 km (0.105 R)
• M74: 38,864,928 km (0.054 R)
• M75: 39,015,424 km (0.063 R)
• M76: 41,142,406 km (0.066 R)
• M77: 42,607,119 km (0.115 R)
• M78: 43,540,909 km (0.097 R)
• M79: 44,324,204 km (0.082 R)
• M80: 45,033,148 km (0.083 R)
• M81: 47,102,236 km (0.084 R)
• M82: 47,182,420 km (0.108 R)
• M83: 47,262,754 km (0.066 R)
• M84: 47,423,273 km (0.117 R)
• M85: 47,986,958 km (0.077 R)
• M86: 49,120,760 km (0.115 R)
• M87: 51,084,980 km (0.108 R)
• M88: 52,159,691 km (0.07 R)
• M89: 53,408,983 km (0.089 R)
• M90: 53,660,008 km (0.1 R)
• M91: 53,995,257 km (0.097 R)
• M92: 54,163,106 km (0.089 R)
• M93: 54,247,180 km (0.101 R)
• M94: 54,752,222 km (0.062 R)
• M95: 56,873,370 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 14,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit