🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.62 AU - 0.64 AU

Year: 186 Days

Day: 47.2 Hours

Environment

Temp: 211 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.9 AU - 1.08 AU

Year: 367 Days

Day: 29.7 Hours

Environment

Temp: 34 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.51 AU - 3.55 AU

Year: 1966 Days

Day: 35.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,200,753 km

• M1: 363,523 km (0.114 R)
• M2: 1,280,259 km (0.04 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.41 AU - 4.69 AU

Year: 3038 Days

Day: 24.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,200,753 km

• M1: 2,553,336 km (0.105 R)

Asteroid Belt

Center: 5.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27

Radius: 11.1

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.21 AU - 7.21 AU

Year: 6479 Days

Day: 8.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 71,200,753 km

• M1: 143,614 km (0.114 R)
• M2: 245,789 km (0.077 R)
• M3: 366,515 km (0.117 R)
• M4: 502,948 km (0.074 R)
• M5: 621,280 km (0.064 R)
• M6: 896,540 km (0.118 R)
• M7: 984,504 km (0.078 R)
• M8: 1,106,875 km (0.118 R)
• M9: 1,308,533 km (0.04 R)
• M10: 1,444,218 km (0.101 R)
• M11: 1,566,888 km (0.068 R)
• M12: 1,665,772 km (0.118 R)
• M13: 1,785,451 km (0.093 R)
• M14: 1,889,122 km (0.09 R)
• M15: 2,262,967 km (0.088 R)
• M16: 2,375,614 km (0.073 R)
• M17: 2,479,585 km (0.089 R)
• M18: 2,595,972 km (0.065 R)
• M19: 2,692,462 km (0.071 R)
• M20: 2,911,324 km (0.119 R)
• M21: 3,250,762 km (0.076 R)
• M22: 3,771,512 km (0.036 R)
• M23: 3,869,050 km (0.095 R)
• M24: 4,692,736 km (0.102 R)
• M25: 5,253,279 km (0.108 R)
• M26: 5,362,485 km (0.119 R)
• M27: 5,569,379 km (0.097 R)
• M28: 5,792,878 km (0.039 R)
• M29: 5,976,734 km (0.075 R)
• M30: 6,105,239 km (0.098 R)
• M31: 6,350,280 km (0.07 R)
• M32: 6,422,985 km (0.118 R)
• M33: 6,999,834 km (0.072 R)
• M34: 7,470,170 km (0.069 R)
• M35: 7,966,386 km (0.097 R)
• M36: 8,107,905 km (0.084 R)
• M37: 8,537,550 km (0.112 R)
• M38: 8,779,450 km (0.12 R)
• M39: 8,860,532 km (0.12 R)
• M40: 9,237,070 km (0.089 R)
• M41: 9,568,729 km (0.105 R)
• M42: 9,786,394 km (0.105 R)
• M43: 10,124,485 km (0.04 R)
• M44: 10,277,972 km (0.061 R)
• M45: 10,380,596 km (0.097 R)
• M46: 10,829,689 km (0.083 R)
• M47: 11,854,285 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.4

Radius: 7.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 11.64 AU - 13.88 AU

Year: 16991 Days

Day: 22.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 71,200,753 km

• M1: 132,394 km (0.078 R)
• M2: 336,146 km (0.096 R)
• M3: 451,786 km (0.113 R)
• M4: 514,916 km (0.11 R)
• M5: 581,487 km (0.1 R)
• M6: 979,716 km (0.119 R)
• M7: 1,903,184 km (0.116 R)
• M8: 1,956,142 km (0.103 R)
• M9: 2,118,007 km (0.063 R)
• M10: 2,173,059 km (0.096 R)
• M11: 2,256,385 km (0.105 R)
• M12: 3,796,196 km (0.083 R)
• M13: 4,520,698 km (0.115 R)
• M14: 4,990,286 km (0.088 R)
• M15: 5,249,688 km (0.049 R)
• M16: 5,437,583 km (0.115 R)
• M17: 5,551,427 km (0.119 R)
• M18: 5,627,722 km (0.118 R)
• M19: 6,093,121 km (0.114 R)
• M20: 6,211,453 km (0.079 R)
• M21: 6,732,802 km (0.093 R)
• M22: 7,143,448 km (0.059 R)
• M23: 7,226,624 km (0.042 R)
• M24: 7,393,725 km (0.107 R)
• M25: 7,477,799 km (0.048 R)
• M26: 7,562,172 km (0.083 R)
• M27: 7,689,331 km (0.093 R)
• M28: 11,722,938 km (0.106 R)
• M29: 11,771,856 km (0.084 R)
• M30: 12,315,794 km (0.102 R)
• M31: 13,274,567 km (0.058 R)
• M32: 14,309,485 km (0.091 R)
• M33: 15,964,187 km (0.088 R)
• M34: 16,018,491 km (0.075 R)
• M35: 16,182,002 km (0.107 R)
• M36: 17,286,333 km (0.062 R)
• M37: 17,734,828 km (0.099 R)
• M38: 17,960,571 km (0.085 R)
• M39: 18,586,039 km (0.04 R)
• M40: 21,278,502 km (0.074 R)
• M41: 21,879,736 km (0.096 R)
• M42: 21,940,173 km (0.041 R)
• M43: 22,121,785 km (0.05 R)
• M44: 23,530,847 km (0.074 R)
• M45: 24,528,067 km (0.088 R)
• M46: 26,822,001 km (0.034 R)
• M47: 27,275,881 km (0.117 R)
• M48: 27,471,255 km (0.039 R)
• M49: 28,454,861 km (0.061 R)
• M50: 29,784,188 km (0.076 R)
• M51: 29,985,248 km (0.12 R)
• M52: 33,264,433 km (0.084 R)
• M53: 34,804,842 km (0.052 R)
• M54: 35,016,822 km (0.083 R)
• M55: 35,797,274 km (0.111 R)
• M56: 36,225,424 km (0.111 R)
• M57: 36,727,175 km (0.103 R)
• M58: 36,798,982 km (0.071 R)
• M59: 37,158,914 km (0.116 R)
• M60: 41,045,766 km (0.054 R)
• M61: 41,344,364 km (0.116 R)
• M62: 42,319,742 km (0.106 R)
• M63: 43,454,441 km (0.096 R)
• M64: 44,522,570 km (0.104 R)
• M65: 44,599,164 km (0.06 R)
• M66: 45,059,776 km (0.116 R)
• M67: 45,522,034 km (0.077 R)
• M68: 45,753,761 km (0.096 R)
• M69: 47,152,351 km (0.096 R)
• M70: 47,465,011 km (0.113 R)
• M71: 49,038,780 km (0.05 R)
• M72: 49,197,055 km (0.111 R)
• M73: 50,150,442 km (0.03 R)
• M74: 51,753,084 km (0.07 R)
• M75: 51,914,351 km (0.025 R)
• M76: 54,844,075 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.7

Radius: 7.6

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 12.07 AU - 18.25 AU

Year: 22004 Days

Day: 21.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 71,200,753 km

• M1: 100,829 km (0.1 R)
• M2: 427,700 km (0.105 R)
• M3: 520,750 km (0.088 R)
• M4: 1,245,851 km (0.12 R)
• M5: 1,673,402 km (0.114 R)
• M6: 3,312,695 km (0.071 R)
• M7: 3,700,154 km (0.097 R)
• M8: 4,102,123 km (0.048 R)
• M9: 4,560,192 km (0.07 R)
• M10: 4,688,098 km (0.098 R)
• M11: 5,479,471 km (0.086 R)
• M12: 6,123,490 km (0.069 R)
• M13: 10,070,480 km (0.076 R)
• M14: 10,517,030 km (0.108 R)
• M15: 11,256,641 km (0.086 R)
• M16: 11,778,439 km (0.117 R)
• M17: 11,954,216 km (0.112 R)
• M18: 12,248,924 km (0.087 R)
• M19: 12,966,096 km (0.099 R)
• M20: 13,147,558 km (0.106 R)
• M21: 13,451,841 km (0.096 R)
• M22: 14,129,369 km (0.101 R)
• M23: 15,261,825 km (0.113 R)
• M24: 16,292,854 km (0.075 R)
• M25: 17,546,185 km (0.112 R)
• M26: 17,613,055 km (0.077 R)
• M27: 19,242,026 km (0.068 R)
• M28: 20,565,369 km (0.12 R)
• M29: 20,777,050 km (0.12 R)
• M30: 20,847,810 km (0.094 R)
• M31: 21,060,388 km (0.099 R)
• M32: 21,416,431 km (0.069 R)
• M33: 22,134,202 km (0.108 R)
• M34: 22,351,119 km (0.081 R)
• M35: 23,079,212 km (0.103 R)
• M36: 23,667,281 km (0.095 R)
• M37: 24,558,585 km (0.115 R)
• M38: 25,008,426 km (0.047 R)
• M39: 25,764,194 km (0.117 R)
• M40: 25,840,190 km (0.061 R)
• M41: 26,068,476 km (0.095 R)
• M42: 28,546,116 km (0.095 R)
• M43: 29,415,130 km (0.116 R)
• M44: 30,292,671 km (0.043 R)
• M45: 30,694,342 km (0.074 R)
• M46: 31,259,821 km (0.058 R)
• M47: 33,555,700 km (0.107 R)
• M48: 33,721,754 km (0.094 R)
• M49: 35,144,280 km (0.102 R)
• M50: 35,820,462 km (0.083 R)
• M51: 35,990,106 km (0.12 R)
• M52: 36,160,199 km (0.104 R)
• M53: 36,928,384 km (0.052 R)
• M54: 37,271,561 km (0.102 R)
• M55: 38,480,911 km (0.107 R)
• M56: 40,495,695 km (0.06 R)
• M57: 40,672,519 km (0.07 R)
• M58: 41,649,543 km (0.119 R)
• M59: 42,724,254 km (0.105 R)
• M60: 43,717,285 km (0.042 R)
• M61: 44,080,359 km (0.066 R)
• M62: 45,542,379 km (0.11 R)
• M63: 47,578,556 km (0.108 R)
• M64: 48,326,395 km (0.111 R)
• M65: 50,307,670 km (0.078 R)
• M66: 51,069,422 km (0.092 R)
• M67: 51,356,051 km (0.078 R)
• M68: 52,123,040 km (0.077 R)
• M69: 52,990,408 km (0.041 R)
• M70: 53,087,198 km (0.119 R)
• M71: 54,349,206 km (0.071 R)
• M72: 55,032,868 km (0.117 R)
• M73: 57,795,941 km (0.052 R)
• M74: 57,995,055 km (0.088 R)
• M75: 58,893,690 km (0.118 R)
• M76: 62,636,479 km (0.094 R)
• M77: 63,661,224 km (0.103 R)
• M78: 66,768,372 km (0.105 R)
• M79: 66,977,360 km (0.106 R)
• M80: 67,081,929 km (0.107 R)
• M81: 69,289,545 km (0.054 R)
• M82: 70,349,147 km (0.065 R)
• M83: 71,094,144 km (0.114 R)
• M84: 71,200,807 km (0.078 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 11,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit