🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.03 AU - 1.45 AU

Year: 481 Days

Day: 22.4 Hours

Environment

Temp: 27 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.37 AU - 1.76 AU

Year: 679 Days

Day: 33 Hours

Environment

Temp: -8 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 7.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 14.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.5

Radius: 6.7

Gravity: 15.49 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 12.77 AU - 15.71 AU

Year: 18714 Days

Day: 24.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 70.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 57,443,973 km

• M1: 101,876 km (0.091 R)
• M2: 354,996 km (0.099 R)
• M3: 444,156 km (0.118 R)
• M4: 1,266,496 km (0.062 R)
• M5: 1,465,760 km (0.111 R)
• M6: 2,023,610 km (0.11 R)
• M7: 2,122,495 km (0.067 R)
• M8: 2,223,024 km (0.063 R)
• M9: 3,159,058 km (0.025 R)
• M10: 4,936,730 km (0.094 R)
• M11: 5,115,350 km (0.037 R)
• M12: 5,617,550 km (0.057 R)
• M13: 6,231,350 km (0.102 R)
• M14: 7,166,037 km (0.104 R)
• M15: 7,317,729 km (0.09 R)
• M16: 7,675,568 km (0.059 R)
• M17: 7,727,179 km (0.097 R)
• M18: 8,461,405 km (0.118 R)
• M19: 8,891,050 km (0.086 R)
• M20: 9,493,331 km (0.1 R)
• M21: 9,548,682 km (0.091 R)
• M22: 9,771,434 km (0.032 R)
• M23: 9,995,831 km (0.115 R)
• M24: 10,335,717 km (0.083 R)
• M25: 10,852,578 km (0.101 R)
• M26: 11,319,024 km (0.102 R)
• M27: 11,554,790 km (0.098 R)
• M28: 11,792,202 km (0.054 R)
• M29: 12,332,100 km (0.046 R)
• M30: 13,126,016 km (0.114 R)
• M31: 13,748,044 km (0.096 R)
• M32: 14,379,647 km (0.082 R)
• M33: 15,344,702 km (0.065 R)
• M34: 16,264,131 km (0.085 R)
• M35: 17,676,634 km (0.055 R)
• M36: 17,744,851 km (0.051 R)
• M37: 18,639,895 km (0.085 R)
• M38: 19,338,218 km (0.082 R)
• M39: 21,557,352 km (0.074 R)
• M40: 22,143,028 km (0.113 R)
• M41: 22,363,984 km (0.119 R)
• M42: 22,511,637 km (0.061 R)
• M43: 23,255,139 km (0.073 R)
• M44: 24,385,351 km (0.093 R)
• M45: 27,961,188 km (0.073 R)
• M46: 28,279,682 km (0.1 R)
• M47: 28,840,226 km (0.112 R)
• M48: 29,566,074 km (0.116 R)
• M49: 30,707,357 km (0.109 R)
• M50: 31,946,027 km (0.089 R)
• M51: 34,301,445 km (0.083 R)
• M52: 34,813,369 km (0.079 R)
• M53: 36,799,281 km (0.088 R)
• M54: 37,850,056 km (0.074 R)
• M55: 38,026,133 km (0.118 R)
• M56: 39,266,150 km (0.119 R)
• M57: 39,355,310 km (0.088 R)
• M58: 39,980,779 km (0.115 R)
• M59: 42,241,352 km (0.086 R)
• M60: 43,894,409 km (0.114 R)
• M61: 46,790,773 km (0.041 R)
• M62: 46,979,715 km (0.059 R)
• M63: 47,168,957 km (0.103 R)
• M64: 50,521,146 km (0.11 R)
• M65: 50,812,114 km (0.096 R)
• M66: 52,274,882 km (0.117 R)
• M67: 53,356,325 km (0.105 R)
• M68: 55,441,420 km (0.113 R)
• M69: 55,541,351 km (0.105 R)
• M70: 55,641,432 km (0.082 R)
• M71: 55,841,594 km (0.068 R)
• M72: 59,179,571 km (0.12 R)
• M73: 62,685,547 km (0.096 R)
• M74: 62,893,937 km (0.097 R)
• M75: 65,623,051 km (0.095 R)
• M76: 67,534,912 km (0.092 R)
• M77: 69,249,752 km (0.071 R)
• M78: 70,112,632 km (0.112 R)
• M79: 70,545,269 km (0.112 R)
• M80: 73,160,240 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.4

Radius: 4.6

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 17.8 AU - 20.32 AU

Year: 28979 Days

Day: 15.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 57,443,973 km

• M1: 114,592 km (0.04 R)
• M2: 284,086 km (0.046 R)
• M3: 326,123 km (0.095 R)
• M4: 355,445 km (0.11 R)
• M5: 533,616 km (0.114 R)
• M6: 1,008,140 km (0.061 R)
• M7: 1,189,004 km (0.062 R)
• M8: 1,307,336 km (0.101 R)
• M9: 1,429,408 km (0.09 R)
• M10: 1,555,219 km (0.102 R)
• M11: 1,684,771 km (0.118 R)
• M12: 2,122,345 km (0.096 R)
• M13: 3,063,316 km (0.092 R)
• M14: 3,491,614 km (0.109 R)
• M15: 4,922,967 km (0.054 R)
• M16: 5,344,833 km (0.114 R)
• M17: 6,019,370 km (0.08 R)
• M18: 6,678,348 km (0.114 R)
• M19: 7,273,598 km (0.043 R)
• M20: 9,158,681 km (0.06 R)
• M21: 9,252,030 km (0.059 R)
• M22: 9,581,295 km (0.08 R)
• M23: 9,628,568 km (0.106 R)
• M24: 10,010,192 km (0.065 R)
• M25: 11,234,052 km (0.113 R)
• M26: 12,556,198 km (0.086 R)
• M27: 13,499,861 km (0.045 R)
• M28: 13,819,552 km (0.08 R)
• M29: 14,575,021 km (0.069 R)
• M30: 14,957,842 km (0.084 R)
• M31: 16,295,098 km (0.09 R)
• M32: 16,863,420 km (0.04 R)
• M33: 17,670,052 km (0.082 R)
• M34: 18,195,140 km (0.052 R)
• M35: 19,201,036 km (0.059 R)
• M36: 19,620,509 km (0.062 R)
• M37: 19,801,223 km (0.06 R)
• M38: 20,407,394 km (0.085 R)
• M39: 22,011,980 km (0.033 R)
• M40: 24,041,575 km (0.11 R)
• M41: 26,528,340 km (0.089 R)
• M42: 26,928,514 km (0.114 R)
• M43: 27,599,610 km (0.099 R)
• M44: 27,869,635 km (0.116 R)
• M45: 28,072,788 km (0.039 R)
• M46: 28,548,510 km (0.077 R)
• M47: 29,027,073 km (0.054 R)
• M48: 30,478,173 km (0.064 R)
• M49: 30,687,460 km (0.071 R)
• M50: 31,247,704 km (0.118 R)
• M51: 33,091,947 km (0.064 R)
• M52: 33,378,726 km (0.101 R)
• M53: 33,666,402 km (0.051 R)
• M54: 34,971,045 km (0.09 R)
• M55: 35,336,513 km (0.073 R)
• M56: 35,482,969 km (0.087 R)
• M57: 37,181,952 km (0.062 R)
• M58: 37,330,952 km (0.09 R)
• M59: 37,854,096 km (0.033 R)
• M60: 38,078,941 km (0.112 R)
• M61: 41,042,924 km (0.067 R)
• M62: 41,660,015 km (0.064 R)
• M63: 41,969,683 km (0.073 R)
• M64: 42,202,457 km (0.104 R)
• M65: 42,825,233 km (0.117 R)
• M66: 44,080,060 km (0.046 R)
• M67: 46,545,283 km (0.07 R)
• M68: 47,349,970 km (0.059 R)
• M69: 47,916,048 km (0.054 R)
• M70: 48,321,758 km (0.072 R)
• M71: 50,038,094 km (0.069 R)
• M72: 50,862,378 km (0.118 R)
• M73: 51,276,166 km (0.088 R)
• M74: 51,359,193 km (0.068 R)
• M75: 52,190,658 km (0.069 R)
• M76: 52,273,984 km (0.103 R)
• M77: 53,698,455 km (0.038 R)
• M78: 54,542,336 km (0.112 R)
• M79: 54,965,848 km (0.088 R)
• M80: 55,645,770 km (0.116 R)
• M81: 57,100,011 km (0.062 R)

Kuiper Belt

Range: 31.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 19,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit