🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.53 AU - 0.87 AU

Year: 256 Days

Day: 37.7 Hours

Environment

Temp: 10 °C

Axial Tilt: 24.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 54,927,219 km

• M1: 49,517 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.77 AU - 0.91 AU

Year: 336 Days

Day: 38.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,927,219 km

• M1: 55,202 km (0.073 R)
• M2: 72,256 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.7 AU - 1.16 AU

Year: 392 Days

Day: 28.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,927,219 km

• M1: 438,920 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.2 AU - 1.5 AU

Year: 685 Days

Day: 34.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.55 AU - 2.01 AU

Year: 1037 Days

Day: 47.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,927,219 km

• M1: 172,935 km (0.053 R)

Asteroid Belt

Center: 5.33 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.1

Radius: 14.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 8.32 AU - 9.44 AU

Year: 11552 Days

Day: 12.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 54,927,219 km

• M1: 199,863 km (0.102 R)
• M2: 409,150 km (0.053 R)
• M3: 722,857 km (0.1 R)
• M4: 857,495 km (0.095 R)
• M5: 1,214,735 km (0.102 R)
• M6: 1,316,910 km (0.111 R)
• M7: 1,422,227 km (0.098 R)
• M8: 1,530,536 km (0.069 R)
• M9: 1,641,986 km (0.096 R)
• M10: 1,756,129 km (0.047 R)
• M11: 2,658,803 km (0.071 R)
• M12: 2,932,717 km (0.107 R)
• M13: 3,361,165 km (0.071 R)
• M14: 3,598,128 km (0.05 R)
• M15: 3,963,745 km (0.055 R)
• M16: 4,214,471 km (0.107 R)
• M17: 4,698,570 km (0.113 R)
• M18: 4,830,665 km (0.113 R)
• M19: 5,132,703 km (0.055 R)
• M20: 5,755,329 km (0.093 R)
• M21: 5,968,207 km (0.109 R)
• M22: 6,256,333 km (0.111 R)
• M23: 6,585,897 km (0.104 R)
• M24: 6,883,746 km (0.091 R)
• M25: 7,185,934 km (0.104 R)
• M26: 7,300,376 km (0.069 R)
• M27: 8,640,324 km (0.111 R)
• M28: 8,762,246 km (0.052 R)
• M29: 9,172,743 km (0.111 R)
• M30: 9,463,860 km (0.044 R)
• M31: 9,800,306 km (0.105 R)
• M32: 10,833,279 km (0.113 R)
• M33: 11,496,447 km (0.07 R)
• M34: 12,172,928 km (0.088 R)
• M35: 12,585,070 km (0.098 R)
• M36: 13,048,375 km (0.092 R)
• M37: 13,753,879 km (0.117 R)
• M38: 14,713,848 km (0.117 R)
• M39: 15,103,999 km (0.098 R)
• M40: 16,799,691 km (0.09 R)
• M41: 17,258,658 km (0.119 R)
• M42: 18,136,947 km (0.034 R)
• M43: 18,345,636 km (0.096 R)
• M44: 19,348,241 km (0.116 R)
• M45: 20,152,329 km (0.114 R)
• M46: 20,368,648 km (0.072 R)
• M47: 20,803,529 km (0.113 R)
• M48: 20,912,735 km (0.09 R)
• M49: 21,131,597 km (0.114 R)
• M50: 22,126,572 km (0.106 R)
• M51: 22,517,471 km (0.086 R)
• M52: 23,590,387 km (0.085 R)
• M53: 24,449,079 km (0.096 R)
• M54: 26,256,221 km (0.034 R)
• M55: 26,374,404 km (0.114 R)
• M56: 26,670,308 km (0.076 R)
• M57: 26,907,870 km (0.036 R)
• M58: 27,325,248 km (0.087 R)
• M59: 27,564,754 km (0.117 R)
• M60: 28,711,871 km (0.103 R)
• M61: 30,430,750 km (0.11 R)
• M62: 31,177,543 km (0.036 R)
• M63: 31,490,501 km (0.03 R)
• M64: 32,119,560 km (0.104 R)
• M65: 32,816,387 km (0.093 R)
• M66: 33,071,003 km (0.08 R)
• M67: 37,366,107 km (0.069 R)
• M68: 37,965,247 km (0.043 R)
• M69: 38,634,697 km (0.102 R)
• M70: 39,985,416 km (0.074 R)
• M71: 42,663,518 km (0.1 R)
• M72: 42,802,494 km (0.086 R)
• M73: 43,359,596 km (0.055 R)
• M74: 44,340,360 km (0.117 R)
• M75: 44,762,824 km (0.102 R)
• M76: 45,045,415 km (0.06 R)
• M77: 45,328,454 km (0.086 R)
• M78: 47,039,106 km (0.065 R)
• M79: 47,758,073 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.1

Radius: 3

Gravity: 93.46 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 9.07 AU - 14.37 AU

Year: 17516 Days

Day: 17.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 54,927,219 km

• M1: 56,099 km (0.094 R)
• M2: 135,236 km (0.104 R)
• M3: 174,282 km (0.089 R)
• M4: 405,410 km (0.099 R)
• M5: 504,594 km (0.118 R)
• M6: 748,887 km (0.083 R)
• M7: 1,078,601 km (0.06 R)
• M8: 1,188,106 km (0.084 R)
• M9: 1,568,384 km (0.098 R)
• M10: 1,692,550 km (0.098 R)
• M11: 1,724,115 km (0.093 R)
• M12: 1,819,858 km (0.068 R)
• M13: 1,852,171 km (0.111 R)
• M14: 2,944,535 km (0.111 R)
• M15: 4,238,706 km (0.088 R)
• M16: 4,853,105 km (0.088 R)
• M17: 5,354,856 km (0.107 R)
• M18: 5,969,105 km (0.085 R)
• M19: 6,065,446 km (0.094 R)
• M20: 6,655,011 km (0.026 R)
• M21: 7,262,528 km (0.117 R)
• M22: 8,475,467 km (0.089 R)
• M23: 8,802,040 km (0.101 R)
• M24: 9,243,952 km (0.082 R)
• M25: 9,749,592 km (0.11 R)
• M26: 11,981,443 km (0.03 R)
• M27: 12,225,288 km (0.056 R)
• M28: 12,286,473 km (0.08 R)
• M29: 14,362,144 km (0.085 R)
• M30: 14,491,396 km (0.114 R)
• M31: 14,621,097 km (0.081 R)
• M32: 17,499,510 km (0.088 R)
• M33: 17,984,207 km (0.045 R)
• M34: 18,333,219 km (0.089 R)
• M35: 18,754,786 km (0.085 R)
• M36: 19,322,061 km (0.116 R)
• M37: 19,464,628 km (0.108 R)
• M38: 19,751,108 km (0.086 R)
• M39: 19,894,722 km (0.072 R)
• M40: 19,966,828 km (0.112 R)
• M41: 23,067,543 km (0.111 R)
• M42: 24,982,994 km (0.11 R)
• M43: 25,372,098 km (0.097 R)
• M44: 26,393,253 km (0.097 R)
• M45: 26,869,124 km (0.104 R)
• M46: 27,829,243 km (0.047 R)
• M47: 28,151,776 km (0.114 R)
• M48: 28,394,424 km (0.066 R)
• M49: 28,637,820 km (0.076 R)
• M50: 28,719,201 km (0.104 R)
• M51: 28,800,582 km (0.032 R)
• M52: 30,030,127 km (0.051 R)
• M53: 30,112,855 km (0.076 R)
• M54: 32,710,173 km (0.115 R)
• M55: 33,135,779 km (0.118 R)
• M56: 34,078,545 km (0.096 R)
• M57: 40,098,662 km (0.082 R)
• M58: 41,194,616 km (0.119 R)
• M59: 41,746,183 km (0.067 R)
• M60: 42,485,496 km (0.033 R)
• M61: 43,602,543 km (0.06 R)
• M62: 44,917,808 km (0.084 R)
• M63: 46,055,649 km (0.085 R)
• M64: 46,436,974 km (0.116 R)
• M65: 46,532,418 km (0.052 R)
• M66: 47,106,874 km (0.043 R)
• M67: 47,972,896 km (0.117 R)
• M68: 48,262,667 km (0.052 R)
• M69: 48,359,456 km (0.116 R)
• M70: 50,013,859 km (0.078 R)
• M71: 52,480,429 km (0.096 R)
• M72: 54,481,899 km (0.098 R)
• M73: 55,188,300 km (0.053 R)
• M74: 55,289,428 km (0.084 R)
• M75: 55,999,420 km (0.076 R)
• M76: 57,018,630 km (0.044 R)
• M77: 57,428,079 km (0.112 R)
• M78: 57,735,802 km (0.047 R)
• M79: 58,249,970 km (0.094 R)
• M80: 58,662,262 km (0.074 R)
• M81: 60,529,991 km (0.087 R)
• M82: 60,634,261 km (0.104 R)
• M83: 60,843,100 km (0.075 R)
• M84: 61,366,243 km (0.093 R)
• M85: 61,575,980 km (0.053 R)
• M86: 61,890,883 km (0.101 R)
• M87: 65,390,576 km (0.094 R)
• M88: 65,604,650 km (0.12 R)
• M89: 66,678,913 km (0.117 R)
• M90: 67,759,009 km (0.077 R)
• M91: 73,023,209 km (0.108 R)
• M92: 73,356,513 km (0.118 R)
• M93: 73,913,316 km (0.118 R)
• M94: 74,024,766 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.5

Radius: 5.6

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 12.3 AU - 14.2 AU

Year: 21055 Days

Day: 22.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 54,927,219 km

• M1: 383,719 km (0.034 R)
• M2: 476,020 km (0.119 R)
• M3: 628,610 km (0.11 R)
• M4: 1,063,940 km (0.079 R)
• M5: 1,650,663 km (0.088 R)
• M6: 1,726,958 km (0.114 R)
• M7: 2,125,786 km (0.095 R)
• M8: 2,700,541 km (0.113 R)
• M9: 2,881,853 km (0.1 R)
• M10: 2,943,189 km (0.066 R)
• M11: 3,098,621 km (0.069 R)
• M12: 3,449,727 km (0.036 R)
• M13: 3,847,059 km (0.032 R)
• M14: 3,948,785 km (0.095 R)
• M15: 4,120,075 km (0.106 R)
• M16: 4,976,224 km (0.055 R)
• M17: 5,615,006 km (0.106 R)
• M18: 6,681,490 km (0.11 R)
• M19: 7,426,487 km (0.103 R)
• M20: 8,241,048 km (0.116 R)
• M21: 8,725,445 km (0.119 R)
• M22: 8,993,674 km (0.107 R)
• M23: 9,309,924 km (0.1 R)
• M24: 10,563,704 km (0.059 R)
• M25: 10,611,127 km (0.113 R)
• M26: 10,658,699 km (0.081 R)
• M27: 13,895,697 km (0.076 R)
• M28: 14,313,524 km (0.098 R)
• M29: 15,161,595 km (0.105 R)
• M30: 15,483,828 km (0.056 R)
• M31: 15,808,456 km (0.074 R)
• M32: 16,574,247 km (0.118 R)
• M33: 17,464,355 km (0.085 R)
• M34: 18,028,488 km (0.109 R)
• M35: 18,426,867 km (0.066 R)
• M36: 20,049,406 km (0.092 R)
• M37: 21,176,327 km (0.068 R)
• M38: 21,596,697 km (0.05 R)
• M39: 21,959,172 km (0.1 R)
• M40: 22,445,515 km (0.117 R)
• M41: 22,690,107 km (0.058 R)
• M42: 24,489,321 km (0.049 R)
• M43: 24,552,152 km (0.106 R)
• M44: 25,247,184 km (0.103 R)
• M45: 26,527,143 km (0.116 R)
• M46: 26,785,648 km (0.078 R)
• M47: 27,828,196 km (0.073 R)
• M48: 28,751,215 km (0.116 R)
• M49: 30,491,936 km (0.046 R)
• M50: 30,694,940 km (0.033 R)
• M51: 31,922,690 km (0.072 R)
• M52: 32,060,020 km (0.105 R)
• M53: 35,558,217 km (0.095 R)
• M54: 35,914,709 km (0.049 R)
• M55: 36,847,003 km (0.118 R)
• M56: 37,424,600 km (0.106 R)
• M57: 39,028,439 km (0.092 R)
• M58: 39,101,891 km (0.043 R)
• M59: 39,396,150 km (0.057 R)
• M60: 39,543,504 km (0.104 R)
• M61: 40,357,466 km (0.065 R)
• M62: 40,878,217 km (0.066 R)
• M63: 41,251,613 km (0.099 R)
• M64: 41,626,056 km (0.114 R)
• M65: 41,926,449 km (0.113 R)
• M66: 43,287,191 km (0.095 R)
• M67: 43,515,328 km (0.093 R)
• M68: 45,046,911 km (0.07 R)
• M69: 46,751,878 km (0.113 R)
• M70: 48,714,751 km (0.12 R)
• M71: 50,304,378 km (0.066 R)
• M72: 50,464,299 km (0.047 R)
• M73: 51,749,494 km (0.076 R)
• M74: 53,126,841 km (0.025 R)
• M75: 53,371,284 km (0.101 R)
• M76: 54,516,306 km (0.096 R)
• M77: 54,598,436 km (0.037 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 18,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit