🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.89 AU - 0.91 AU

Year: 310 Days

Day: 14.2 Hours

Environment

Temp: 140 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.44 AU - 1.54 AU

Year: 661 Days

Day: 46.2 Hours

Environment

Temp: -37 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,431,551 km

• M1: 25,282 km (0.028 R)

Asteroid Belt

Center: 9.39 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.7

Radius: 7.1

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 15.21 AU - 19.35 AU

Year: 26106 Days

Day: 15.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 98,431,551 km

• M1: 130,599 km (0.066 R)
• M2: 207,941 km (0.103 R)
• M3: 470,037 km (0.078 R)
• M4: 561,441 km (0.092 R)
• M5: 642,373 km (0.064 R)
• M6: 727,644 km (0.05 R)
• M7: 1,006,195 km (0.028 R)
• M8: 1,085,931 km (0.055 R)
• M9: 1,230,891 km (0.111 R)
• M10: 1,316,461 km (0.036 R)
• M11: 1,562,550 km (0.105 R)
• M12: 1,632,113 km (0.115 R)
• M13: 1,726,659 km (0.066 R)
• M14: 1,774,530 km (0.057 R)
• M15: 1,970,952 km (0.103 R)
• M16: 2,097,213 km (0.094 R)
• M17: 2,629,033 km (0.116 R)
• M18: 3,025,318 km (0.112 R)
• M19: 3,289,956 km (0.075 R)
• M20: 4,063,976 km (0.114 R)
• M21: 4,160,616 km (0.108 R)
• M22: 4,257,855 km (0.079 R)
• M23: 4,891,850 km (0.104 R)
• M24: 5,133,002 km (0.076 R)
• M25: 5,448,504 km (0.112 R)
• M26: 5,662,429 km (0.096 R)
• M27: 5,842,844 km (0.057 R)
• M28: 5,915,549 km (0.12 R)
• M29: 5,988,552 km (0.089 R)
• M30: 6,470,258 km (0.082 R)
• M31: 6,545,505 km (0.061 R)
• M32: 7,788,364 km (0.028 R)
• M33: 7,908,491 km (0.056 R)
• M34: 8,725,595 km (0.115 R)
• M35: 9,271,029 km (0.105 R)
• M36: 9,870,617 km (0.116 R)
• M37: 10,927,676 km (0.046 R)
• M38: 13,338,296 km (0.106 R)
• M39: 14,356,608 km (0.1 R)
• M40: 14,900,098 km (0.043 R)
• M41: 14,999,580 km (0.103 R)
• M42: 16,108,848 km (0.113 R)
• M43: 16,210,874 km (0.09 R)
• M44: 17,035,906 km (0.092 R)
• M45: 17,874,402 km (0.076 R)
• M46: 20,802,182 km (0.058 R)
• M47: 21,248,433 km (0.116 R)
• M48: 21,697,825 km (0.09 R)
• M49: 21,754,223 km (0.111 R)
• M50: 23,410,870 km (0.085 R)
• M51: 23,700,641 km (0.083 R)
• M52: 24,166,638 km (0.115 R)
• M53: 24,283,624 km (0.102 R)
• M54: 24,400,909 km (0.054 R)
• M55: 24,930,485 km (0.078 R)
• M56: 25,107,759 km (0.051 R)
• M57: 25,582,881 km (0.112 R)
• M58: 25,821,490 km (0.12 R)
• M59: 26,300,951 km (0.034 R)
• M60: 27,268,700 km (0.086 R)
• M61: 27,390,622 km (0.105 R)
• M62: 27,818,322 km (0.058 R)
• M63: 28,186,632 km (0.108 R)
• M64: 28,680,305 km (0.093 R)
• M65: 30,620,141 km (0.107 R)
• M66: 30,683,421 km (0.095 R)
• M67: 31,127,577 km (0.106 R)
• M68: 31,254,885 km (0.081 R)
• M69: 32,408,284 km (0.1 R)
• M70: 32,731,117 km (0.077 R)
• M71: 32,925,444 km (0.112 R)
• M72: 33,510,372 km (0.036 R)
• M73: 33,771,570 km (0.112 R)
• M74: 33,967,842 km (0.052 R)
• M75: 34,361,584 km (0.094 R)
• M76: 34,427,257 km (0.104 R)
• M77: 34,558,903 km (0.061 R)
• M78: 35,021,011 km (0.114 R)
• M79: 35,418,792 km (0.08 R)
• M80: 36,084,951 km (0.106 R)
• M81: 36,553,641 km (0.115 R)
• M82: 37,904,211 km (0.085 R)
• M83: 38,927,760 km (0.098 R)
• M84: 39,960,434 km (0.096 R)
• M85: 40,376,017 km (0.112 R)
• M86: 40,584,257 km (0.052 R)
• M87: 41,211,371 km (0.095 R)
• M88: 41,911,938 km (0.036 R)
• M89: 42,475,174 km (0.097 R)
• M90: 45,401,159 km (0.082 R)
• M91: 47,363,135 km (0.051 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.1

Radius: 4.6

Gravity: 36.82 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 16.48 AU - 19.38 AU

Year: 27593 Days

Day: 19.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 98,431,551 km

• M1: 102,923 km (0.117 R)
• M2: 237,861 km (0.119 R)
• M3: 400,324 km (0.04 R)
• M4: 446,101 km (0.078 R)
• M5: 1,223,711 km (0.069 R)
• M6: 2,581,610 km (0.113 R)
• M7: 2,625,293 km (0.055 R)
• M8: 2,847,147 km (0.092 R)
• M9: 2,937,653 km (0.076 R)
• M10: 3,943,849 km (0.077 R)
• M11: 4,936,730 km (0.1 R)
• M12: 4,991,034 km (0.105 R)
• M13: 7,507,270 km (0.073 R)
• M14: 8,012,312 km (0.113 R)
• M15: 8,076,191 km (0.033 R)
• M16: 8,268,873 km (0.094 R)
• M17: 8,333,499 km (0.103 R)
• M18: 9,188,152 km (0.098 R)
• M19: 9,456,680 km (0.084 R)
• M20: 11,623,605 km (0.057 R)
• M21: 11,913,974 km (0.105 R)
• M22: 12,874,094 km (0.05 R)
• M23: 14,476,736 km (0.06 R)
• M24: 15,182,538 km (0.082 R)
• M25: 15,420,249 km (0.055 R)
• M26: 15,579,571 km (0.093 R)
• M27: 15,899,561 km (0.072 R)
• M28: 17,283,790 km (0.114 R)
• M29: 17,781,502 km (0.119 R)
• M30: 18,032,079 km (0.096 R)
• M31: 19,388,333 km (0.073 R)
• M32: 20,952,977 km (0.111 R)
• M33: 21,661,173 km (0.109 R)
• M34: 22,107,873 km (0.12 R)
• M35: 22,828,785 km (0.104 R)
• M36: 23,010,247 km (0.067 R)
• M37: 23,283,413 km (0.118 R)
• M38: 24,850,899 km (0.078 R)
• M39: 25,224,595 km (0.105 R)
• M40: 26,072,366 km (0.094 R)
• M41: 26,738,226 km (0.054 R)
• M42: 27,313,430 km (0.116 R)
• M43: 27,602,453 km (0.082 R)
• M44: 28,671,180 km (0.119 R)
• M45: 29,555,603 km (0.106 R)
• M46: 29,852,405 km (0.104 R)
• M47: 31,552,884 km (0.098 R)
• M48: 31,957,546 km (0.104 R)
• M49: 34,317,452 km (0.056 R)
• M50: 34,837,754 km (0.11 R)
• M51: 37,692,680 km (0.076 R)
• M52: 38,014,465 km (0.094 R)
• M53: 40,292,690 km (0.115 R)
• M54: 40,951,669 km (0.091 R)
• M55: 41,392,983 km (0.107 R)
• M56: 43,173,945 km (0.09 R)
• M57: 45,320,974 km (0.103 R)
• M58: 45,777,397 km (0.081 R)
• M59: 46,350,207 km (0.09 R)
• M60: 46,925,262 km (0.093 R)
• M61: 47,040,452 km (0.106 R)
• M62: 47,734,287 km (0.102 R)
• M63: 48,781,322 km (0.08 R)
• M64: 50,779,501 km (0.072 R)
• M65: 62,046,016 km (0.119 R)
• M66: 62,552,704 km (0.062 R)
• M67: 63,315,354 km (0.106 R)
• M68: 63,442,662 km (0.069 R)
• M69: 68,085,881 km (0.115 R)
• M70: 69,263,665 km (0.096 R)
• M71: 70,976,710 km (0.12 R)
• M72: 74,175,860 km (0.095 R)
• M73: 74,713,515 km (0.102 R)
• M74: 77,149,417 km (0.085 R)
• M75: 77,421,685 km (0.113 R)
• M76: 77,830,536 km (0.107 R)
• M77: 78,240,285 km (0.096 R)
• M78: 80,023,940 km (0.076 R)
• M79: 80,437,429 km (0.1 R)
• M80: 80,713,437 km (0.099 R)
• M81: 81,543,555 km (0.026 R)
• M82: 82,098,414 km (0.114 R)
• M83: 86,583,059 km (0.109 R)
• M84: 87,007,618 km (0.086 R)
• M85: 87,149,137 km (0.106 R)
• M86: 87,716,562 km (0.074 R)
• M87: 94,038,119 km (0.113 R)
• M88: 95,641,210 km (0.049 R)
• M89: 95,933,674 km (0.114 R)
• M90: 96,666,105 km (0.098 R)
• M91: 97,694,740 km (0.096 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 18,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit