🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.46 AU - 0.7 AU

Year: 281 Days

Day: 36.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.46 AU - 0.74 AU

Year: 296 Days

Day: 24.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.6 AU - 0.72 AU

Year: 341 Days

Day: 33.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 11.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.92 AU - 0.94 AU

Year: 570 Days

Day: 6.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 54,697,465 km

• M1: 153,936 km (0.051 R)
• M2: 239,506 km (0.103 R)
• M3: 315,951 km (0.1 R)
• M4: 409,749 km (0.107 R)
• M5: 485,295 km (0.06 R)
• M6: 578,046 km (0.071 R)
• M7: 673,938 km (0.113 R)
• M8: 771,925 km (0.083 R)
• M9: 897,438 km (0.097 R)
• M10: 974,481 km (0.108 R)
• M11: 1,063,641 km (0.09 R)
• M12: 1,374,655 km (0.07 R)
• M13: 1,470,547 km (0.102 R)
• M14: 1,641,089 km (0.076 R)
• M15: 1,720,376 km (0.11 R)
• M16: 1,841,849 km (0.072 R)
• M17: 1,954,347 km (0.095 R)
• M18: 2,161,390 km (0.119 R)
• M19: 2,369,481 km (0.11 R)
• M20: 2,498,883 km (0.099 R)
• M21: 2,617,364 km (0.119 R)
• M22: 2,710,863 km (0.081 R)
• M23: 2,826,053 km (0.115 R)
• M24: 2,928,977 km (0.081 R)
• M25: 3,103,408 km (0.089 R)
• M26: 3,181,199 km (0.086 R)
• M27: 3,302,971 km (0.087 R)
• M28: 3,433,421 km (0.098 R)
• M29: 3,551,005 km (0.083 R)
• M30: 3,684,745 km (0.045 R)
• M31: 3,835,540 km (0.118 R)
• M32: 3,957,612 km (0.04 R)
• M33: 4,042,284 km (0.111 R)
• M34: 4,135,334 km (0.08 R)
• M35: 4,213,424 km (0.073 R)
• M36: 4,292,113 km (0.089 R)
• M37: 4,379,178 km (0.1 R)
• M38: 4,531,020 km (0.082 R)
• M39: 4,839,940 km (0.052 R)
• M40: 4,922,368 km (0.056 R)
• M41: 5,055,361 km (0.099 R)
• M42: 5,138,986 km (0.105 R)
• M43: 5,214,683 km (0.102 R)
• M44: 5,444,166 km (0.108 R)
• M45: 5,555,915 km (0.105 R)
• M46: 5,676,940 km (0.082 R)
• M47: 5,895,502 km (0.069 R)
• M48: 6,036,872 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.2

Radius: 14.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.9 AU - 1.16 AU

Year: 665 Days

Day: 6.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,697,465 km

• M1: 178,620 km (0.109 R)
• M2: 278,850 km (0.088 R)
• M3: 378,333 km (0.11 R)
• M4: 478,564 km (0.117 R)
• M5: 587,770 km (0.119 R)
• M6: 676,781 km (0.083 R)
• M7: 927,507 km (0.065 R)
• M8: 1,072,168 km (0.116 R)
• M9: 1,299,258 km (0.114 R)
• M10: 1,390,662 km (0.083 R)
• M11: 1,510,789 km (0.113 R)
• M12: 1,656,796 km (0.113 R)
• M13: 1,836,015 km (0.074 R)
• M14: 1,963,173 km (0.116 R)
• M15: 2,099,457 km (0.063 R)
• M16: 2,375,465 km (0.117 R)
• M17: 2,489,309 km (0.108 R)
• M18: 2,663,590 km (0.087 R)
• M19: 3,058,828 km (0.076 R)
• M20: 3,148,586 km (0.064 R)
• M21: 3,545,170 km (0.114 R)
• M22: 3,654,227 km (0.116 R)
• M23: 4,018,199 km (0.065 R)
• M24: 4,270,122 km (0.116 R)
• M25: 4,386,359 km (0.117 R)
• M26: 4,566,774 km (0.109 R)
• M27: 4,733,576 km (0.108 R)
• M28: 4,845,924 km (0.04 R)
• M29: 5,089,768 km (0.077 R)
• M30: 5,263,003 km (0.113 R)
• M31: 5,496,974 km (0.104 R)
• M32: 5,691,750 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 9.3

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.1 AU - 2.44 AU

Year: 2175 Days

Day: 11.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 54,697,465 km

• M1: 115,938 km (0.062 R)
• M2: 207,193 km (0.049 R)
• M3: 388,805 km (0.106 R)
• M4: 452,234 km (0.069 R)
• M5: 520,002 km (0.104 R)
• M6: 697,276 km (0.115 R)
• M7: 908,209 km (0.112 R)
• M8: 969,394 km (0.034 R)
• M9: 1,103,583 km (0.094 R)
• M10: 1,462,020 km (0.058 R)
• M11: 1,642,136 km (0.114 R)
• M12: 1,743,563 km (0.054 R)
• M13: 1,803,552 km (0.093 R)
• M14: 1,934,899 km (0.066 R)
• M15: 2,291,091 km (0.029 R)
• M16: 2,472,254 km (0.108 R)
• M17: 2,677,951 km (0.118 R)
• M18: 2,787,906 km (0.085 R)
• M19: 2,991,957 km (0.099 R)
• M20: 3,054,041 km (0.074 R)
• M21: 3,190,175 km (0.082 R)
• M22: 3,253,754 km (0.109 R)
• M23: 3,317,782 km (0.115 R)
• M24: 3,414,422 km (0.108 R)
• M25: 3,534,100 km (0.052 R)
• M26: 3,766,126 km (0.045 R)
• M27: 3,957,761 km (0.051 R)
• M28: 4,037,647 km (0.054 R)
• M29: 4,233,769 km (0.117 R)
• M30: 4,504,242 km (0.1 R)
• M31: 4,695,728 km (0.097 R)
• M32: 4,902,173 km (0.06 R)
• M33: 5,062,093 km (0.087 R)
• M34: 5,148,860 km (0.064 R)
• M35: 5,211,242 km (0.08 R)
• M36: 5,273,774 km (0.032 R)
• M37: 5,450,299 km (0.072 R)
• M38: 5,913,305 km (0.074 R)
• M39: 5,978,529 km (0.044 R)
• M40: 6,110,026 km (0.09 R)
• M41: 6,255,585 km (0.055 R)
• M42: 6,509,751 km (0.084 R)
• M43: 6,822,112 km (0.05 R)
• M44: 7,000,881 km (0.117 R)
• M45: 7,111,584 km (0.087 R)
• M46: 7,292,747 km (0.033 R)
• M47: 7,362,908 km (0.107 R)
• M48: 7,532,103 km (0.096 R)
• M49: 7,659,860 km (0.109 R)
• M50: 8,004,084 km (0.035 R)
• M51: 8,633,293 km (0.116 R)
• M52: 9,021,649 km (0.092 R)
• M53: 9,081,937 km (0.081 R)
• M54: 9,172,444 km (0.092 R)
• M55: 9,599,396 km (0.061 R)
• M56: 9,954,841 km (0.104 R)
• M57: 10,017,223 km (0.115 R)
• M58: 10,189,111 km (0.091 R)
• M59: 10,678,894 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.9

Radius: 11.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.64 AU - 2.76 AU

Year: 2821 Days

Day: 6.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 54,697,465 km

• M1: 150,645 km (0.092 R)
• M2: 241,152 km (0.117 R)
• M3: 456,274 km (0.074 R)
• M4: 687,253 km (0.107 R)
• M5: 771,027 km (0.092 R)
• M6: 904,020 km (0.069 R)
• M7: 1,396,795 km (0.11 R)
• M8: 1,530,237 km (0.089 R)
• M9: 1,668,016 km (0.041 R)
• M10: 1,810,134 km (0.088 R)
• M11: 1,938,938 km (0.106 R)
• M12: 2,088,835 km (0.093 R)
• M13: 2,224,371 km (0.12 R)
• M14: 2,409,573 km (0.116 R)
• M15: 2,590,437 km (0.044 R)
• M16: 2,746,318 km (0.03 R)
• M17: 3,379,715 km (0.06 R)
• M18: 3,582,869 km (0.085 R)
• M19: 3,735,160 km (0.034 R)
• M20: 3,978,855 km (0.102 R)
• M21: 4,159,419 km (0.108 R)
• M22: 4,741,056 km (0.057 R)
• M23: 5,188,204 km (0.117 R)
• M24: 5,274,372 km (0.12 R)
• M25: 5,448,055 km (0.082 R)
• M26: 5,535,570 km (0.054 R)
• M27: 5,724,811 km (0.071 R)
• M28: 6,044,951 km (0.07 R)
• M29: 6,174,802 km (0.075 R)
• M30: 7,232,159 km (0.116 R)
• M31: 7,328,500 km (0.077 R)
• M32: 7,494,704 km (0.054 R)
• M33: 7,760,539 km (0.058 R)
• M34: 7,845,212 km (0.061 R)
• M35: 8,869,658 km (0.095 R)
• M36: 9,046,931 km (0.104 R)
• M37: 9,285,241 km (0.084 R)
• M38: 9,390,109 km (0.027 R)
• M39: 9,646,519 km (0.113 R)
• M40: 9,752,734 km (0.12 R)
• M41: 10,135,405 km (0.062 R)
• M42: 10,274,382 km (0.119 R)
• M43: 10,538,572 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826

Radius: 4.1

Gravity: 49.14 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.31 AU - 7.15 AU

Year: 11101 Days

Day: 16.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 54,697,465 km

• M1: 76,445 km (0.119 R)
• M2: 105,616 km (0.098 R)
• M3: 293,361 km (0.119 R)
• M4: 555,307 km (0.057 R)
• M5: 755,918 km (0.11 R)
• M6: 1,128,866 km (0.069 R)
• M7: 1,310,777 km (0.078 R)
• M8: 2,612,428 km (0.114 R)
• M9: 2,731,508 km (0.089 R)
• M10: 2,975,053 km (0.074 R)
• M11: 3,847,508 km (0.112 R)
• M12: 4,829,169 km (0.098 R)
• M13: 4,975,476 km (0.094 R)
• M14: 5,234,878 km (0.11 R)
• M15: 5,498,769 km (0.114 R)
• M16: 5,651,508 km (0.063 R)
• M17: 6,596,967 km (0.079 R)
• M18: 6,677,899 km (0.072 R)
• M19: 7,129,236 km (0.051 R)
• M20: 7,803,025 km (0.072 R)
• M21: 8,321,681 km (0.079 R)
• M22: 9,075,205 km (0.049 R)
• M23: 9,346,426 km (0.116 R)
• M24: 9,804,345 km (0.04 R)
• M25: 10,082,448 km (0.113 R)
• M26: 10,175,797 km (0.105 R)
• M27: 10,269,445 km (0.06 R)
• M28: 10,363,243 km (0.088 R)
• M29: 10,694,153 km (0.104 R)
• M30: 12,952,932 km (0.107 R)
• M31: 13,720,369 km (0.117 R)
• M32: 13,823,741 km (0.057 R)
• M33: 14,292,431 km (0.075 R)
• M34: 14,397,149 km (0.092 R)
• M35: 14,554,975 km (0.096 R)
• M36: 14,872,123 km (0.088 R)
• M37: 14,978,487 km (0.097 R)
• M38: 15,405,888 km (0.12 R)
• M39: 15,567,304 km (0.061 R)
• M40: 15,621,159 km (0.083 R)
• M41: 15,945,936 km (0.088 R)
• M42: 16,933,432 km (0.058 R)
• M43: 17,434,585 km (0.111 R)
• M44: 17,658,981 km (0.117 R)
• M45: 17,940,674 km (0.102 R)
• M46: 17,997,222 km (0.052 R)
• M47: 18,223,863 km (0.1 R)
• M48: 18,280,710 km (0.108 R)
• M49: 18,451,551 km (0.089 R)
• M50: 18,794,728 km (0.117 R)
• M51: 19,778,634 km (0.115 R)
• M52: 20,365,057 km (0.082 R)
• M53: 22,890,120 km (0.118 R)
• M54: 23,753,449 km (0.068 R)
• M55: 24,314,142 km (0.036 R)
• M56: 25,068,414 km (0.077 R)
• M57: 25,194,825 km (0.102 R)
• M58: 25,830,316 km (0.111 R)
• M59: 26,278,212 km (0.1 R)
• M60: 26,922,680 km (0.045 R)
• M61: 27,117,008 km (0.118 R)
• M62: 27,507,009 km (0.098 R)
• M63: 27,637,459 km (0.079 R)
• M64: 27,702,683 km (0.114 R)
• M65: 27,898,956 km (0.088 R)
• M66: 28,292,697 km (0.049 R)
• M67: 28,754,356 km (0.079 R)
• M68: 30,964,366 km (0.081 R)
• M69: 31,032,134 km (0.045 R)
• M70: 31,440,087 km (0.07 R)
• M71: 34,696,533 km (0.06 R)
• M72: 34,766,994 km (0.102 R)
• M73: 35,119,895 km (0.118 R)
• M74: 35,332,175 km (0.097 R)
• M75: 36,471,811 km (0.098 R)
• M76: 36,902,204 km (0.042 R)
• M77: 36,974,161 km (0.095 R)
• M78: 37,985,592 km (0.118 R)
• M79: 39,520,017 km (0.072 R)
• M80: 40,183,783 km (0.118 R)
• M81: 40,851,139 km (0.111 R)
• M82: 41,671,833 km (0.113 R)
• M83: 41,746,782 km (0.093 R)
• M84: 42,648,857 km (0.034 R)
• M85: 43,709,356 km (0.073 R)
• M86: 44,931,870 km (0.119 R)
• M87: 45,470,273 km (0.051 R)
• M88: 46,786,734 km (0.083 R)
• M89: 47,488,797 km (0.064 R)
• M90: 47,958,684 km (0.042 R)
• M91: 49,298,482 km (0.09 R)
• M92: 49,377,769 km (0.097 R)
• M93: 49,853,790 km (0.076 R)
• M94: 50,411,191 km (0.116 R)
• M95: 50,570,812 km (0.081 R)
• M96: 51,531,979 km (0.079 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 20,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit