🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.48 AU - 0.54 AU

Year: 130 Days

Day: 27.4 Hours

Environment

Temp: 258 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,977,716 km

• M1: 212,130 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.56 AU - 0.6 AU

Year: 157 Days

Day: 22.6 Hours

Environment

Temp: 226 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.61 AU - 1.01 AU

Year: 260 Days

Day: 14.4 Hours

Environment

Temp: 166 °C

Axial Tilt: 21.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,977,716 km

• M1: 115,340 km (0.049 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.48 AU - 1.54 AU

Year: 661 Days

Day: 30.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,977,716 km

• M1: 327,619 km (0.082 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.62 AU - 1.62 AU

Year: 735 Days

Day: 32.1 Hours

Environment

Temp: -35 °C

Axial Tilt: 78.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,977,716 km

• M1: 471,084 km (0.077 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.94 AU - 5.44 AU

Year: 4215 Days

Day: 12.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.9

Radius: 10.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.02 AU - 8.18 AU

Year: 8217 Days

Day: 12.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 66,977,716 km

• M1: 254,167 km (0.085 R)
• M2: 349,760 km (0.073 R)
• M3: 420,370 km (0.065 R)
• M4: 488,587 km (0.061 R)
• M5: 561,590 km (0.063 R)
• M6: 730,935 km (0.077 R)
• M7: 1,084,734 km (0.12 R)
• M8: 1,197,232 km (0.099 R)
• M9: 1,393,953 km (0.091 R)
• M10: 1,559,259 km (0.064 R)
• M11: 2,062,655 km (0.109 R)
• M12: 2,665,385 km (0.088 R)
• M13: 2,907,435 km (0.104 R)
• M14: 3,084,708 km (0.084 R)
• M15: 3,320,474 km (0.081 R)
• M16: 3,581,223 km (0.075 R)
• M17: 3,656,920 km (0.063 R)
• M18: 4,102,871 km (0.092 R)
• M19: 4,484,346 km (0.108 R)
• M20: 4,566,176 km (0.034 R)
• M21: 5,046,235 km (0.118 R)
• M22: 5,740,968 km (0.106 R)
• M23: 5,941,728 km (0.081 R)
• M24: 6,235,987 km (0.087 R)
• M25: 6,442,582 km (0.076 R)
• M26: 6,558,221 km (0.098 R)
• M27: 7,195,059 km (0.04 R)
• M28: 7,508,916 km (0.097 R)
• M29: 7,655,222 km (0.05 R)
• M30: 8,426,250 km (0.072 R)
• M31: 9,483,907 km (0.106 R)
• M32: 9,615,702 km (0.065 R)
• M33: 9,695,139 km (0.042 R)
• M34: 9,908,017 km (0.099 R)
• M35: 10,014,979 km (0.055 R)
• M36: 10,474,095 km (0.077 R)
• M37: 10,555,775 km (0.038 R)
• M38: 10,637,755 km (0.079 R)
• M39: 11,133,822 km (0.094 R)
• M40: 11,384,697 km (0.048 R)
• M41: 11,665,792 km (0.081 R)
• M42: 11,835,436 km (0.058 R)
• M43: 12,062,974 km (0.042 R)
• M44: 12,234,563 km (0.104 R)
• M45: 12,378,177 km (0.076 R)
• M46: 12,725,244 km (0.091 R)
• M47: 13,845,283 km (0.064 R)
• M48: 14,115,157 km (0.079 R)
• M49: 14,326,240 km (0.091 R)
• M50: 15,428,477 km (0.09 R)
• M51: 15,802,023 km (0.098 R)
• M52: 16,052,749 km (0.112 R)
• M53: 17,325,677 km (0.081 R)
• M54: 17,616,645 km (0.102 R)
• M55: 17,746,347 km (0.056 R)
• M56: 17,876,497 km (0.025 R)
• M57: 18,105,082 km (0.117 R)
• M58: 18,301,654 km (0.094 R)
• M59: 18,697,041 km (0.119 R)
• M60: 18,862,646 km (0.057 R)
• M61: 19,295,433 km (0.082 R)
• M62: 19,395,813 km (0.073 R)
• M63: 19,563,362 km (0.12 R)
• M64: 19,967,725 km (0.09 R)
• M65: 20,102,962 km (0.071 R)
• M66: 20,716,014 km (0.099 R)
• M67: 20,921,711 km (0.111 R)
• M68: 21,128,006 km (0.116 R)
• M69: 21,577,548 km (0.098 R)
• M70: 22,030,082 km (0.032 R)
• M71: 23,193,205 km (0.059 R)
• M72: 24,087,501 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.6

Radius: 12.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 11.14 AU - 11.58 AU

Year: 13648 Days

Day: 8.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 66,977,716 km

• M1: 237,412 km (0.117 R)
• M2: 329,863 km (0.089 R)
• M3: 471,682 km (0.032 R)
• M4: 758,312 km (0.111 R)
• M5: 848,370 km (0.112 R)
• M6: 961,914 km (0.113 R)
• M7: 1,142,629 km (0.057 R)
• M8: 1,357,301 km (0.051 R)
• M9: 1,656,647 km (0.08 R)
• M10: 1,802,206 km (0.032 R)
• M11: 2,054,428 km (0.082 R)
• M12: 2,372,622 km (0.104 R)
• M13: 2,510,103 km (0.112 R)
• M14: 2,821,865 km (0.114 R)
• M15: 3,928,440 km (0.093 R)
• M16: 4,979,066 km (0.075 R)
• M17: 5,554,120 km (0.038 R)
• M18: 5,701,175 km (0.11 R)
• M19: 5,849,576 km (0.076 R)
• M20: 6,340,855 km (0.04 R)
• M21: 6,611,029 km (0.066 R)
• M22: 6,767,060 km (0.097 R)
• M23: 7,647,144 km (0.033 R)
• M24: 8,017,698 km (0.115 R)
• M25: 8,948,197 km (0.117 R)
• M26: 9,558,107 km (0.117 R)
• M27: 9,646,370 km (0.047 R)
• M28: 10,271,689 km (0.062 R)
• M29: 10,589,285 km (0.057 R)
• M30: 11,002,475 km (0.09 R)
• M31: 11,844,561 km (0.06 R)
• M32: 12,129,994 km (0.086 R)
• M33: 12,417,670 km (0.088 R)
• M34: 14,901,294 km (0.079 R)
• M35: 15,675,613 km (0.103 R)
• M36: 16,463,096 km (0.103 R)
• M37: 17,209,739 km (0.094 R)
• M38: 18,460,228 km (0.094 R)
• M39: 18,625,533 km (0.108 R)
• M40: 18,902,140 km (0.107 R)
• M41: 19,347,493 km (0.119 R)
• M42: 19,852,535 km (0.085 R)
• M43: 20,305,218 km (0.049 R)
• M44: 21,741,807 km (0.096 R)
• M45: 22,619,497 km (0.116 R)
• M46: 22,796,322 km (0.091 R)
• M47: 24,712,072 km (0.099 R)
• M48: 25,382,420 km (0.093 R)
• M49: 25,627,611 km (0.047 R)
• M50: 25,997,118 km (0.068 R)
• M51: 26,120,536 km (0.041 R)
• M52: 26,678,835 km (0.092 R)
• M53: 27,178,343 km (0.09 R)
• M54: 27,681,141 km (0.12 R)
• M55: 28,060,073 km (0.051 R)
• M56: 28,759,443 km (0.062 R)
• M57: 29,207,488 km (0.082 R)
• M58: 29,593,301 km (0.082 R)
• M59: 31,481,974 km (0.083 R)
• M60: 31,877,661 km (0.091 R)
• M61: 33,275,354 km (0.059 R)
• M62: 33,543,882 km (0.026 R)
• M63: 34,083,032 km (0.085 R)
• M64: 34,421,423 km (0.064 R)
• M65: 35,170,011 km (0.116 R)
• M66: 35,717,688 km (0.086 R)
• M67: 36,475,402 km (0.055 R)
• M68: 36,752,307 km (0.079 R)
• M69: 37,587,063 km (0.089 R)
• M70: 38,147,008 km (0.059 R)
• M71: 38,498,414 km (0.101 R)
• M72: 39,986,015 km (0.105 R)
• M73: 41,132,084 km (0.106 R)
• M74: 42,944,313 km (0.101 R)
• M75: 43,823,350 km (0.071 R)
• M76: 44,782,422 km (0.073 R)
• M77: 45,524,876 km (0.116 R)
• M78: 46,496,215 km (0.114 R)
• M79: 48,839,815 km (0.118 R)
• M80: 49,680,555 km (0.084 R)
• M81: 49,910,786 km (0.098 R)
• M82: 50,912,195 km (0.085 R)
• M83: 51,376,546 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.2

Radius: 7.7

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 12.22 AU - 14.24 AU

Year: 17153 Days

Day: 21.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 66,977,716 km

• M1: 231,129 km (0.026 R)
• M2: 284,984 km (0.107 R)
• M3: 344,374 km (0.047 R)
• M4: 630,854 km (0.099 R)
• M5: 777,311 km (0.091 R)
• M6: 888,761 km (0.066 R)
• M7: 1,054,216 km (0.119 R)
• M8: 1,281,755 km (0.077 R)
• M9: 1,414,897 km (0.119 R)
• M10: 1,871,619 km (0.077 R)
• M11: 2,147,627 km (0.117 R)
• M12: 2,502,623 km (0.106 R)
• M13: 2,703,982 km (0.108 R)
• M14: 3,087,102 km (0.058 R)
• M15: 3,524,376 km (0.054 R)
• M16: 4,059,189 km (0.118 R)
• M17: 4,137,728 km (0.086 R)
• M18: 4,456,670 km (0.107 R)
• M19: 5,331,519 km (0.107 R)
• M20: 6,122,742 km (0.052 R)
• M21: 6,532,041 km (0.117 R)
• M22: 7,233,805 km (0.088 R)
• M23: 7,329,248 km (0.101 R)
• M24: 7,521,332 km (0.102 R)
• M25: 7,861,368 km (0.106 R)
• M26: 7,959,504 km (0.077 R)
• M27: 8,206,490 km (0.093 R)
• M28: 8,606,964 km (0.108 R)
• M29: 8,708,092 km (0.076 R)
• M30: 8,758,806 km (0.05 R)
• M31: 9,271,328 km (0.065 R)
• M32: 9,688,257 km (0.075 R)
• M33: 9,846,233 km (0.098 R)
• M34: 10,325,395 km (0.119 R)
• M35: 10,379,100 km (0.099 R)
• M36: 10,432,806 km (0.08 R)
• M37: 11,528,162 km (0.043 R)
• M38: 13,005,889 km (0.069 R)
• M39: 13,766,894 km (0.082 R)
• M40: 14,003,857 km (0.092 R)
• M41: 15,209,466 km (0.066 R)
• M42: 15,639,111 km (0.068 R)
• M43: 16,010,712 km (0.107 R)
• M44: 16,762,591 km (0.089 R)
• M45: 18,626,431 km (0.078 R)
• M46: 19,483,178 km (0.108 R)
• M47: 19,749,312 km (0.092 R)
• M48: 20,690,433 km (0.077 R)
• M49: 20,758,350 km (0.1 R)
• M50: 21,234,819 km (0.051 R)
• M51: 21,440,217 km (0.098 R)
• M52: 21,508,733 km (0.091 R)
• M53: 22,407,218 km (0.07 R)
• M54: 24,814,098 km (0.061 R)
• M55: 24,958,310 km (0.076 R)
• M56: 25,247,333 km (0.059 R)
• M57: 26,635,751 km (0.103 R)
• M58: 27,376,261 km (0.101 R)
• M59: 27,599,760 km (0.089 R)
• M60: 27,898,806 km (0.108 R)
• M61: 29,409,595 km (0.087 R)
• M62: 29,867,963 km (0.119 R)
• M63: 30,098,044 km (0.119 R)
• M64: 30,560,152 km (0.111 R)
• M65: 31,725,220 km (0.078 R)
• M66: 33,063,224 km (0.088 R)
• M67: 33,142,511 km (0.082 R)
• M68: 33,699,314 km (0.118 R)
• M69: 34,983,462 km (0.062 R)
• M70: 36,775,046 km (0.111 R)
• M71: 37,268,869 km (0.054 R)
• M72: 39,182,076 km (0.064 R)
• M73: 40,362,254 km (0.107 R)
• M74: 41,041,727 km (0.072 R)
• M75: 41,297,689 km (0.109 R)
• M76: 41,468,530 km (0.108 R)
• M77: 42,412,343 km (0.112 R)
• M78: 42,584,679 km (0.118 R)
• M79: 43,276,420 km (0.061 R)
• M80: 43,363,187 km (0.053 R)
• M81: 44,934,413 km (0.032 R)
• M82: 46,435,329 km (0.062 R)
• M83: 49,667,540 km (0.076 R)
• M84: 50,852,505 km (0.102 R)
• M85: 51,310,723 km (0.025 R)
• M86: 52,971,708 km (0.073 R)
• M87: 55,307,679 km (0.089 R)
• M88: 57,390,979 km (0.117 R)
• M89: 59,982,762 km (0.051 R)
• M90: 60,466,861 km (0.052 R)
• M91: 62,710,530 km (0.105 R)
• M92: 62,906,952 km (0.117 R)
• M93: 63,300,245 km (0.07 R)
• M94: 63,398,830 km (0.096 R)
• M95: 66,076,781 km (0.099 R)
• M96: 66,476,656 km (0.054 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 15,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit