🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.57 AU - 0.61 AU

Year: 169 Days

Day: 22.5 Hours

Environment

Temp: 165 °C

Axial Tilt: 29.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,643,625 km

• M1: 44,580 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.93 AU - 1.11 AU

Year: 384 Days

Day: 14.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 6.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.28 AU - 1.32 AU

Year: 553 Days

Day: 18 Hours

Environment

Temp: -36 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,643,625 km

• M1: 503,397 km (0.094 R)
• M2: 534,364 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.5

Radius: 10.2

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.07 AU - 6.19 AU

Year: 5658 Days

Day: 11.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 54,643,625 km

• M1: 132,095 km (0.109 R)
• M2: 203,603 km (0.072 R)
• M3: 381,026 km (0.051 R)
• M4: 845,677 km (0.076 R)
• M5: 998,865 km (0.077 R)
• M6: 1,317,658 km (0.08 R)
• M7: 1,381,985 km (0.086 R)
• M8: 1,514,080 km (0.078 R)
• M9: 1,720,226 km (0.083 R)
• M10: 1,972,448 km (0.12 R)
• M11: 2,141,045 km (0.116 R)
• M12: 2,737,192 km (0.12 R)
• M13: 3,140,508 km (0.096 R)
• M14: 3,205,882 km (0.106 R)
• M15: 4,145,656 km (0.049 R)
• M16: 4,460,560 km (0.084 R)
• M17: 5,373,107 km (0.087 R)
• M18: 5,530,783 km (0.05 R)
• M19: 5,689,955 km (0.085 R)
• M20: 5,850,623 km (0.085 R)
• M21: 5,985,710 km (0.09 R)
• M22: 6,231,499 km (0.09 R)
• M23: 6,425,079 km (0.064 R)
• M24: 7,189,973 km (0.097 R)
• M25: 7,276,740 km (0.091 R)
• M26: 7,451,320 km (0.068 R)
• M27: 7,539,284 km (0.049 R)
• M28: 8,043,429 km (0.106 R)
• M29: 8,375,686 km (0.12 R)
• M30: 8,743,098 km (0.118 R)
• M31: 9,780,858 km (0.028 R)
• M32: 10,038,167 km (0.115 R)
• M33: 10,135,405 km (0.113 R)
• M34: 10,724,671 km (0.1 R)
• M35: 10,790,794 km (0.076 R)
• M36: 10,857,065 km (0.102 R)
• M37: 11,157,159 km (0.113 R)
• M38: 11,426,136 km (0.085 R)
• M39: 11,493,754 km (0.034 R)
• M40: 12,384,609 km (0.111 R)
• M41: 12,454,023 km (0.114 R)
• M42: 12,803,334 km (0.106 R)
• M43: 13,582,888 km (0.05 R)
• M44: 14,377,851 km (0.073 R)
• M45: 14,965,472 km (0.063 R)
• M46: 15,523,472 km (0.101 R)
• M47: 15,748,617 km (0.068 R)
• M48: 16,126,202 km (0.046 R)
• M49: 16,392,336 km (0.111 R)
• M50: 16,775,008 km (0.093 R)
• M51: 16,851,901 km (0.105 R)
• M52: 17,432,490 km (0.101 R)
• M53: 17,901,629 km (0.083 R)
• M54: 18,098,201 km (0.105 R)
• M55: 18,533,531 km (0.079 R)
• M56: 18,732,496 km (0.099 R)
• M57: 19,092,428 km (0.104 R)
• M58: 19,172,762 km (0.119 R)
• M59: 19,495,146 km (0.099 R)
• M60: 20,186,138 km (0.101 R)
• M61: 20,267,968 km (0.096 R)
• M62: 21,424,958 km (0.102 R)
• M63: 22,180,128 km (0.077 R)
• M64: 23,157,601 km (0.078 R)
• M65: 23,243,320 km (0.079 R)
• M66: 23,586,947 km (0.071 R)
• M67: 24,759,495 km (0.079 R)
• M68: 24,934,823 km (0.078 R)
• M69: 25,950,892 km (0.055 R)
• M70: 26,486,453 km (0.116 R)
• M71: 26,935,545 km (0.084 R)
• M72: 27,206,168 km (0.105 R)
• M73: 27,296,525 km (0.12 R)
• M74: 27,795,584 km (0.083 R)
• M75: 27,886,689 km (0.09 R)
• M76: 28,023,421 km (0.111 R)
• M77: 28,848,902 km (0.04 R)
• M78: 29,449,986 km (0.028 R)
• M79: 29,775,362 km (0.095 R)
• M80: 30,101,934 km (0.042 R)
• M81: 30,476,677 km (0.044 R)
• M82: 30,994,285 km (0.074 R)
• M83: 31,088,831 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.7

Radius: 5.7

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 11.06 AU - 14.08 AU

Year: 16613 Days

Day: 16.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 54,643,625 km

• M1: 72,555 km (0.03 R)
• M2: 261,198 km (0.109 R)
• M3: 354,397 km (0.08 R)
• M4: 443,707 km (0.03 R)
• M5: 574,605 km (0.096 R)
• M6: 736,770 km (0.095 R)
• M7: 833,111 km (0.071 R)
• M8: 1,060,051 km (0.074 R)
• M9: 1,214,286 km (0.102 R)
• M10: 1,668,764 km (0.117 R)
• M11: 2,116,361 km (0.093 R)
• M12: 2,838,171 km (0.118 R)
• M13: 2,991,060 km (0.092 R)
• M14: 3,209,622 km (0.07 R)
• M15: 3,862,318 km (0.12 R)
• M16: 5,511,335 km (0.08 R)
• M17: 5,895,203 km (0.118 R)
• M18: 6,090,429 km (0.077 R)
• M19: 6,327,541 km (0.102 R)
• M20: 6,447,219 km (0.106 R)
• M21: 6,527,404 km (0.031 R)
• M22: 6,567,646 km (0.114 R)
• M23: 6,770,052 km (0.108 R)
• M24: 7,139,558 km (0.049 R)
• M25: 7,684,693 km (0.066 R)
• M26: 7,727,179 km (0.11 R)
• M27: 7,940,954 km (0.093 R)
• M28: 9,127,864 km (0.043 R)
• M29: 9,444,712 km (0.062 R)
• M30: 9,765,001 km (0.078 R)
• M31: 9,857,153 km (0.034 R)
• M32: 9,903,379 km (0.083 R)
• M33: 11,225,824 km (0.081 R)
• M34: 11,419,404 km (0.106 R)
• M35: 11,516,493 km (0.113 R)
• M36: 11,565,112 km (0.075 R)
• M37: 11,711,569 km (0.1 R)
• M38: 11,858,623 km (0.094 R)
• M39: 12,006,276 km (0.108 R)
• M40: 12,403,010 km (0.118 R)
• M41: 12,703,402 km (0.118 R)
• M42: 14,713,399 km (0.113 R)
• M43: 14,766,207 km (0.046 R)
• M44: 16,434,972 km (0.074 R)
• M45: 16,654,731 km (0.111 R)
• M46: 17,152,443 km (0.081 R)
• M47: 17,208,093 km (0.06 R)
• M48: 17,880,087 km (0.114 R)
• M49: 18,503,611 km (0.046 R)
• M50: 18,674,901 km (0.077 R)
• M51: 21,008,478 km (0.118 R)
• M52: 22,695,792 km (0.116 R)
• M53: 23,308,994 km (0.087 R)
• M54: 23,865,498 km (0.106 R)
• M55: 24,426,340 km (0.088 R)
• M56: 25,370,602 km (0.086 R)
• M57: 26,006,842 km (0.083 R)
• M58: 26,134,748 km (0.08 R)
• M59: 27,294,879 km (0.117 R)
• M60: 28,471,766 km (0.078 R)
• M61: 28,867,752 km (0.056 R)
• M62: 29,531,816 km (0.115 R)
• M63: 30,267,988 km (0.046 R)
• M64: 30,874,906 km (0.108 R)
• M65: 30,942,524 km (0.094 R)
• M66: 31,349,580 km (0.105 R)
• M67: 32,857,377 km (0.103 R)
• M68: 33,481,051 km (0.09 R)
• M69: 33,550,614 km (0.119 R)
• M70: 33,968,740 km (0.09 R)
• M71: 34,880,838 km (0.068 R)
• M72: 37,231,918 km (0.092 R)
• M73: 37,448,087 km (0.042 R)
• M74: 37,737,110 km (0.074 R)
• M75: 37,809,515 km (0.109 R)
• M76: 39,707,164 km (0.101 R)
• M77: 40,001,872 km (0.029 R)
• M78: 41,486,182 km (0.106 R)
• M79: 41,860,027 km (0.088 R)
• M80: 43,291,081 km (0.03 R)
• M81: 45,428,984 km (0.062 R)
• M82: 46,278,101 km (0.094 R)
• M83: 46,510,726 km (0.041 R)
• M84: 46,743,650 km (0.057 R)
• M85: 47,835,565 km (0.027 R)
• M86: 49,410,232 km (0.087 R)
• M87: 50,522,492 km (0.088 R)
• M88: 51,001,654 km (0.094 R)
• M89: 51,161,873 km (0.094 R)
• M90: 51,642,980 km (0.101 R)
• M91: 51,964,616 km (0.11 R)
• M92: 54,479,954 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 16,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit