🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.48 AU - 0.78 AU

Year: 174 Days

Day: 31.6 Hours

Environment

Temp: 202 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.66 AU - 0.92 AU

Year: 245 Days

Day: 46 Hours

Environment

Temp: 178 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,032,581 km

• M1: 88,263 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.83 AU - 1.11 AU

Year: 333 Days

Day: 15.4 Hours

Environment

Temp: 92 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,032,581 km

• M1: 544,087 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.49 AU - 3.41 AU

Year: 1765 Days

Day: 19.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.3 AU - 3.94 AU

Year: 2399 Days

Day: 33.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,032,581 km

• M1: 215,571 km (0.114 R)
• M2: 274,512 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.92 AU - 4.12 AU

Year: 2807 Days

Day: 27.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,032,581 km

• M1: 210,035 km (0.105 R)
• M2: 1,411,007 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.5

Radius: 8.7

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 8.54 AU - 9.98 AU

Year: 9813 Days

Day: 14.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 78,032,581 km

• M1: 126,859 km (0.088 R)
• M2: 217,366 km (0.062 R)
• M3: 293,511 km (0.049 R)
• M4: 399,277 km (0.118 R)
• M5: 520,002 km (0.078 R)
• M6: 621,878 km (0.119 R)
• M7: 742,155 km (0.099 R)
• M8: 1,058,255 km (0.118 R)
• M9: 1,314,816 km (0.036 R)
• M10: 1,501,663 km (0.027 R)
• M11: 1,759,271 km (0.097 R)
• M12: 1,821,952 km (0.08 R)
• M13: 1,982,022 km (0.081 R)
• M14: 2,560,816 km (0.11 R)
• M15: 3,112,832 km (0.059 R)
• M16: 3,422,201 km (0.091 R)
• M17: 3,680,856 km (0.066 R)
• M18: 3,741,443 km (0.115 R)
• M19: 4,280,743 km (0.115 R)
• M20: 5,044,889 km (0.052 R)
• M21: 5,271,081 km (0.099 R)
• M22: 5,686,365 km (0.041 R)
• M23: 5,898,046 km (0.073 R)
• M24: 6,136,355 km (0.076 R)
• M25: 7,045,162 km (0.112 R)
• M26: 7,502,483 km (0.095 R)
• M27: 7,579,675 km (0.09 R)
• M28: 8,021,887 km (0.047 R)
• M29: 8,365,663 km (0.07 R)
• M30: 9,013,122 km (0.109 R)
• M31: 9,260,108 km (0.089 R)
• M32: 9,564,989 km (0.077 R)
• M33: 9,788,937 km (0.03 R)
• M34: 10,127,925 km (0.101 R)
• M35: 10,672,462 km (0.069 R)
• M36: 10,933,809 km (0.119 R)
• M37: 11,079,966 km (0.113 R)
• M38: 11,374,076 km (0.115 R)
• M39: 11,433,167 km (0.104 R)
• M40: 11,492,408 km (0.113 R)
• M41: 12,120,719 km (0.092 R)
• M42: 12,393,286 km (0.08 R)
• M43: 13,254,521 km (0.054 R)
• M44: 13,598,147 km (0.117 R)
• M45: 14,550,188 km (0.073 R)
• M46: 14,904,585 km (0.068 R)
• M47: 15,034,137 km (0.061 R)
• M48: 15,294,587 km (0.101 R)
• M49: 15,819,676 km (0.1 R)
• M50: 16,786,527 km (0.093 R)
• M51: 16,988,933 km (0.115 R)
• M52: 17,464,504 km (0.095 R)
• M53: 17,635,345 km (0.117 R)
• M54: 18,289,836 km (0.052 R)
• M55: 18,463,369 km (0.092 R)
• M56: 18,742,220 km (0.095 R)
• M57: 19,942,593 km (0.072 R)
• M58: 20,049,705 km (0.108 R)
• M59: 20,228,624 km (0.112 R)
• M60: 21,167,800 km (0.094 R)
• M61: 21,532,818 km (0.085 R)
• M62: 21,899,782 km (0.11 R)
• M63: 22,047,285 km (0.114 R)
• M64: 22,343,040 km (0.09 R)
• M65: 22,826,541 km (0.099 R)
• M66: 22,901,190 km (0.111 R)
• M67: 23,577,073 km (0.103 R)
• M68: 24,412,129 km (0.116 R)
• M69: 25,450,039 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.5

Radius: 5.2

Gravity: 28.61 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 11.04 AU - 17.86 AU

Year: 19129 Days

Day: 16.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 78,032,581 km

• M1: 100,380 km (0.077 R)
• M2: 153,338 km (0.063 R)
• M3: 220,208 km (0.119 R)
• M4: 567,874 km (0.12 R)
• M5: 1,338,303 km (0.034 R)
• M6: 1,611,767 km (0.118 R)
• M7: 2,494,993 km (0.077 R)
• M8: 2,754,546 km (0.086 R)
• M9: 3,179,852 km (0.115 R)
• M10: 5,739,173 km (0.062 R)
• M11: 6,379,302 km (0.079 R)
• M12: 6,990,110 km (0.095 R)
• M13: 7,093,781 km (0.113 R)
• M14: 8,763,892 km (0.115 R)
• M15: 8,987,840 km (0.116 R)
• M16: 9,613,608 km (0.082 R)
• M17: 10,489,354 km (0.054 R)
• M18: 11,026,859 km (0.117 R)
• M19: 11,512,304 km (0.043 R)
• M20: 11,634,675 km (0.091 R)
• M21: 11,757,645 km (0.089 R)
• M22: 12,629,651 km (0.055 R)
• M23: 12,692,781 km (0.118 R)
• M24: 14,041,555 km (0.102 R)
• M25: 14,501,270 km (0.109 R)
• M26: 14,567,392 km (0.118 R)
• M27: 15,099,511 km (0.084 R)
• M28: 15,638,064 km (0.098 R)
• M29: 15,909,734 km (0.093 R)
• M30: 16,251,415 km (0.118 R)
• M31: 18,138,143 km (0.096 R)
• M32: 18,280,710 km (0.088 R)
• M33: 19,725,975 km (0.094 R)
• M34: 20,019,486 km (0.077 R)
• M35: 21,282,691 km (0.105 R)
• M36: 21,357,789 km (0.114 R)
• M37: 23,729,513 km (0.08 R)
• M38: 24,041,575 km (0.063 R)
• M39: 24,198,054 km (0.092 R)
• M40: 24,276,443 km (0.068 R)
• M41: 24,590,898 km (0.097 R)
• M42: 25,382,869 km (0.076 R)
• M43: 26,910,563 km (0.093 R)
• M44: 27,154,407 km (0.084 R)
• M45: 27,480,830 km (0.105 R)
• M46: 27,644,490 km (0.059 R)
• M47: 27,808,599 km (0.103 R)
• M48: 28,137,564 km (0.115 R)
• M49: 28,716,358 km (0.085 R)
• M50: 29,048,915 km (0.049 R)
• M51: 30,985,459 km (0.079 R)
• M52: 31,326,393 km (0.054 R)
• M53: 32,270,654 km (0.079 R)
• M54: 32,529,907 km (0.069 R)
• M55: 32,702,992 km (0.114 R)
• M56: 33,050,209 km (0.097 R)
• M57: 33,923,561 km (0.055 R)
• M58: 34,011,375 km (0.105 R)
• M59: 35,159,090 km (0.056 R)
• M60: 36,499,038 km (0.092 R)
• M61: 36,588,946 km (0.119 R)
• M62: 36,678,855 km (0.083 R)
• M63: 40,897,664 km (0.099 R)
• M64: 41,646,850 km (0.054 R)
• M65: 43,826,043 km (0.092 R)
• M66: 45,073,988 km (0.102 R)
• M67: 45,944,797 km (0.086 R)
• M68: 48,788,354 km (0.048 R)
• M69: 48,986,571 km (0.116 R)
• M70: 50,782,344 km (0.094 R)
• M71: 52,802,812 km (0.082 R)
• M72: 54,130,194 km (0.092 R)
• M73: 54,952,384 km (0.112 R)
• M74: 56,505,360 km (0.097 R)
• M75: 56,609,330 km (0.111 R)
• M76: 56,817,570 km (0.081 R)
• M77: 57,130,529 km (0.109 R)
• M78: 60,184,420 km (0.119 R)
• M79: 60,609,727 km (0.107 R)
• M80: 60,822,754 km (0.036 R)
• M81: 61,570,444 km (0.081 R)
• M82: 61,784,669 km (0.119 R)
• M83: 62,751,520 km (0.105 R)
• M84: 63,182,810 km (0.031 R)
• M85: 63,290,820 km (0.12 R)
• M86: 66,339,325 km (0.077 R)
• M87: 68,767,897 km (0.112 R)
• M88: 69,101,351 km (0.084 R)
• M89: 69,881,354 km (0.117 R)
• M90: 71,900,626 km (0.078 R)
• M91: 72,691,101 km (0.115 R)
• M92: 72,917,443 km (0.115 R)
• M93: 73,825,203 km (0.084 R)
• M94: 75,308,466 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.5

Radius: 4.2

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 17.98 AU - 19.56 AU

Year: 28320 Days

Day: 24.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 78,032,581 km

• M1: 240,553 km (0.09 R)
• M2: 272,867 km (0.034 R)
• M3: 306,676 km (0.104 R)
• M4: 379,081 km (0.105 R)
• M5: 1,058,106 km (0.09 R)
• M6: 1,404,574 km (0.09 R)
• M7: 1,686,118 km (0.082 R)
• M8: 1,849,927 km (0.077 R)
• M9: 1,883,288 km (0.11 R)
• M10: 2,157,650 km (0.11 R)
• M11: 3,014,397 km (0.091 R)
• M12: 3,539,934 km (0.09 R)
• M13: 4,402,516 km (0.064 R)
• M14: 4,447,246 km (0.103 R)
• M15: 4,492,125 km (0.113 R)
• M16: 5,278,710 km (0.089 R)
• M17: 5,469,897 km (0.094 R)
• M18: 5,761,014 km (0.045 R)
• M19: 6,257,230 km (0.116 R)
• M20: 6,459,636 km (0.099 R)
• M21: 7,027,061 km (0.098 R)
• M22: 7,131,929 km (0.058 R)
• M23: 7,237,246 km (0.11 R)
• M24: 7,664,049 km (0.102 R)
• M25: 8,597,689 km (0.116 R)
• M26: 8,992,627 km (0.026 R)
• M27: 9,106,471 km (0.09 R)
• M28: 9,450,995 km (0.114 R)
• M29: 9,916,992 km (0.045 R)
• M30: 10,931,864 km (0.055 R)
• M31: 11,236,595 km (0.085 R)
• M32: 11,605,952 km (0.049 R)
• M33: 11,854,434 km (0.115 R)
• M34: 11,979,349 km (0.079 R)
• M35: 12,610,353 km (0.1 R)
• M36: 13,773,027 km (0.088 R)
• M37: 13,838,701 km (0.085 R)
• M38: 14,567,093 km (0.104 R)
• M39: 14,969,661 km (0.077 R)
• M40: 16,268,320 km (0.1 R)
• M41: 16,476,709 km (0.096 R)
• M42: 16,685,847 km (0.098 R)
• M43: 19,853,881 km (0.059 R)
• M44: 20,824,622 km (0.108 R)
• M45: 21,734,177 km (0.098 R)
• M46: 22,502,213 km (0.047 R)
• M47: 22,579,405 km (0.047 R)
• M48: 23,513,644 km (0.1 R)
• M49: 26,881,391 km (0.08 R)
• M50: 27,788,104 km (0.082 R)
• M51: 28,704,690 km (0.105 R)
• M52: 29,885,466 km (0.045 R)
• M53: 30,910,211 km (0.112 R)
• M54: 33,345,814 km (0.039 R)
• M55: 35,122,738 km (0.118 R)
• M56: 35,392,014 km (0.096 R)
• M57: 35,571,830 km (0.103 R)
• M58: 36,384,895 km (0.06 R)
• M59: 37,753,566 km (0.104 R)
• M60: 38,029,275 km (0.1 R)
• M61: 38,213,430 km (0.095 R)
• M62: 41,106,353 km (0.095 R)
• M63: 42,722,459 km (0.113 R)
• M64: 44,262,270 km (0.099 R)
• M65: 44,650,028 km (0.079 R)
• M66: 45,136,370 km (0.084 R)
• M67: 45,722,345 km (0.117 R)
• M68: 47,396,046 km (0.081 R)
• M69: 47,495,230 km (0.107 R)
• M70: 49,390,784 km (0.112 R)
• M71: 51,311,022 km (0.043 R)
• M72: 51,514,476 km (0.075 R)
• M73: 52,331,430 km (0.111 R)
• M74: 53,461,492 km (0.104 R)
• M75: 53,874,532 km (0.087 R)
• M76: 55,955,139 km (0.086 R)
• M77: 56,164,576 km (0.118 R)
• M78: 57,427,032 km (0.1 R)
• M79: 57,532,648 km (0.084 R)
• M80: 58,273,906 km (0.114 R)
• M81: 59,765,845 km (0.111 R)
• M82: 60,301,705 km (0.116 R)
• M83: 60,946,921 km (0.085 R)
• M84: 61,378,211 km (0.108 R)
• M85: 63,331,810 km (0.069 R)
• M86: 63,878,141 km (0.11 R)
• M87: 64,425,969 km (0.097 R)
• M88: 65,305,903 km (0.079 R)
• M89: 65,416,157 km (0.107 R)
• M90: 66,411,282 km (0.042 R)
• M91: 71,574,802 km (0.106 R)
• M92: 73,286,351 km (0.088 R)
• M93: 73,515,535 km (0.066 R)
• M94: 73,974,651 km (0.108 R)
• M95: 78,032,643 km (0.11 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 14,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit