🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.53 AU - 0.87 AU

Year: 174 Days

Day: 17.1 Hours

Environment

Temp: 271 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,070,279 km

• M1: 479,461 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.09 AU - 1.49 AU

Year: 435 Days

Day: 24.6 Hours

Environment

Temp: 138 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 83,070,279 km

• M1: 48,320 km (0.074 R)
• M2: 208,240 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.76 AU - 2.2 AU

Year: 828 Days

Day: 16 Hours

Environment

Temp: 34 °C

Axial Tilt: 22.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 83,070,279 km

• M1: 192,832 km (0.113 R)
• M2: 341,682 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.14 AU - 3.82 AU

Year: 1930 Days

Day: 46.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.89 AU - 11.12 AU

Year: 8025 Days

Day: 39.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 17.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.2

Radius: 11.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 13.9 AU - 20.22 AU

Year: 20945 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 83,070,279 km

• M1: 168,148 km (0.086 R)
• M2: 258,056 km (0.108 R)
• M3: 351,256 km (0.091 R)
• M4: 709,244 km (0.109 R)
• M5: 982,260 km (0.085 R)
• M6: 1,131,708 km (0.052 R)
• M7: 1,229,096 km (0.104 R)
• M8: 1,670,410 km (0.072 R)
• M9: 1,828,385 km (0.029 R)
• M10: 1,920,986 km (0.088 R)
• M11: 2,433,209 km (0.117 R)
• M12: 2,613,325 km (0.113 R)
• M13: 2,718,193 km (0.099 R)
• M14: 2,932,417 km (0.033 R)
• M15: 3,463,490 km (0.065 R)
• M16: 3,550,257 km (0.091 R)
• M17: 3,696,264 km (0.066 R)
• M18: 4,055,000 km (0.06 R)
• M19: 5,331,070 km (0.062 R)
• M20: 5,498,769 km (0.045 R)
• M21: 5,702,372 km (0.111 R)
• M22: 5,805,145 km (0.049 R)
• M23: 6,399,348 km (0.1 R)
• M24: 6,649,625 km (0.092 R)
• M25: 7,382,655 km (0.079 R)
• M26: 8,179,862 km (0.116 R)
• M27: 9,568,878 km (0.107 R)
• M28: 9,732,239 km (0.026 R)
• M29: 9,814,219 km (0.089 R)
• M30: 9,979,076 km (0.067 R)
• M31: 10,944,431 km (0.08 R)
• M32: 11,029,701 km (0.093 R)
• M33: 11,244,075 km (0.1 R)
• M34: 11,503,179 km (0.089 R)
• M35: 12,828,017 km (0.106 R)
• M36: 13,053,461 km (0.107 R)
• M37: 13,325,879 km (0.085 R)
• M38: 13,417,134 km (0.063 R)
• M39: 13,508,538 km (0.064 R)
• M40: 13,922,475 km (0.043 R)
• M41: 14,387,276 km (0.071 R)
• M42: 14,904,585 km (0.105 R)
• M43: 15,380,007 km (0.096 R)
• M44: 17,132,995 km (0.114 R)
• M45: 18,285,797 km (0.098 R)
• M46: 19,256,986 km (0.089 R)
• M47: 20,718,557 km (0.112 R)
• M48: 21,036,303 km (0.108 R)
• M49: 21,195,924 km (0.087 R)
• M50: 21,516,213 km (0.048 R)
• M51: 21,730,587 km (0.076 R)
• M52: 22,161,578 km (0.08 R)
• M53: 23,361,203 km (0.08 R)
• M54: 23,581,561 km (0.102 R)
• M55: 23,968,870 km (0.056 R)
• M56: 26,566,338 km (0.096 R)
• M57: 27,839,865 km (0.073 R)
• M58: 27,956,700 km (0.117 R)
• M59: 28,307,956 km (0.08 R)
• M60: 30,988,900 km (0.098 R)
• M61: 32,206,327 km (0.049 R)
• M62: 32,328,848 km (0.088 R)
• M63: 33,129,496 km (0.071 R)
• M64: 33,315,296 km (0.11 R)
• M65: 34,562,045 km (0.045 R)
• M66: 35,633,914 km (0.077 R)
• M67: 36,588,647 km (0.12 R)
• M68: 37,874,740 km (0.096 R)
• M69: 38,263,545 km (0.082 R)
• M70: 38,393,396 km (0.081 R)
• M71: 38,523,396 km (0.106 R)
• M72: 38,849,071 km (0.088 R)
• M73: 39,700,133 km (0.097 R)
• M74: 40,557,329 km (0.054 R)
• M75: 41,220,945 km (0.077 R)
• M76: 42,760,756 km (0.104 R)
• M77: 42,962,863 km (0.097 R)
• M78: 43,368,273 km (0.101 R)
• M79: 43,978,782 km (0.1 R)
• M80: 44,251,050 km (0.097 R)
• M81: 45,620,768 km (0.099 R)
• M82: 45,827,363 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 22.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.3

Radius: 6.9

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 20.32 AU - 25.2 AU

Year: 32275 Days

Day: 22.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 83,070,279 km

• M1: 208,839 km (0.074 R)
• M2: 538,702 km (0.108 R)
• M3: 749,635 km (0.056 R)
• M4: 958,474 km (0.115 R)
• M5: 1,013,675 km (0.073 R)
• M6: 1,069,774 km (0.115 R)
• M7: 1,622,688 km (0.087 R)
• M8: 2,178,743 km (0.117 R)
• M9: 2,592,830 km (0.068 R)
• M10: 3,154,720 km (0.083 R)
• M11: 3,406,792 km (0.071 R)
• M12: 3,841,673 km (0.062 R)
• M13: 4,667,753 km (0.067 R)
• M14: 6,160,889 km (0.092 R)
• M15: 6,265,308 km (0.114 R)
• M16: 6,635,563 km (0.105 R)
• M17: 7,901,161 km (0.099 R)
• M18: 8,243,441 km (0.09 R)
• M19: 8,532,464 km (0.103 R)
• M20: 8,648,851 km (0.095 R)
• M21: 9,842,792 km (0.036 R)
• M22: 10,149,168 km (0.057 R)
• M23: 10,272,736 km (0.096 R)
• M24: 11,024,017 km (0.072 R)
• M25: 11,342,361 km (0.075 R)
• M26: 11,599,071 km (0.118 R)
• M27: 13,045,533 km (0.072 R)
• M28: 13,247,041 km (0.027 R)
• M29: 15,390,180 km (0.037 R)
• M30: 16,032,254 km (0.093 R)
• M31: 16,320,380 km (0.088 R)
• M32: 16,828,863 km (0.047 R)
• M33: 17,048,323 km (0.034 R)
• M34: 19,524,766 km (0.08 R)
• M35: 24,058,629 km (0.116 R)
• M36: 24,636,974 km (0.034 R)
• M37: 25,136,332 km (0.031 R)
• M38: 25,219,807 km (0.111 R)
• M39: 26,739,423 km (0.093 R)
• M40: 26,910,114 km (0.042 R)
• M41: 26,995,534 km (0.095 R)
• M42: 27,338,412 km (0.114 R)
• M43: 27,510,300 km (0.056 R)
• M44: 29,161,562 km (0.113 R)
• M45: 29,689,642 km (0.061 R)
• M46: 29,954,879 km (0.063 R)
• M47: 30,132,153 km (0.075 R)
• M48: 30,755,377 km (0.075 R)
• M49: 30,934,147 km (0.119 R)
• M50: 33,015,502 km (0.118 R)
• M51: 35,141,587 km (0.097 R)
• M52: 35,515,881 km (0.052 R)
• M53: 37,597,834 km (0.082 R)
• M54: 40,597,870 km (0.119 R)
• M55: 42,176,128 km (0.073 R)
• M56: 43,072,668 km (0.1 R)
• M57: 43,373,060 km (0.06 R)
• M58: 43,473,291 km (0.076 R)
• M59: 44,277,978 km (0.083 R)
• M60: 44,682,191 km (0.092 R)
• M61: 45,189,029 km (0.074 R)
• M62: 47,339,049 km (0.051 R)
• M63: 48,999,436 km (0.095 R)
• M64: 49,208,275 km (0.115 R)
• M65: 50,784,288 km (0.035 R)
• M66: 50,890,054 km (0.078 R)
• M67: 52,911,420 km (0.11 R)
• M68: 53,232,906 km (0.081 R)
• M69: 54,525,731 km (0.028 R)
• M70: 58,354,838 km (0.091 R)
• M71: 61,142,445 km (0.097 R)
• M72: 61,592,585 km (0.091 R)
• M73: 64,201,572 km (0.045 R)
• M74: 64,773,484 km (0.049 R)
• M75: 65,347,192 km (0.088 R)
• M76: 65,462,083 km (0.097 R)
• M77: 68,007,491 km (0.107 R)
• M78: 69,409,522 km (0.094 R)
• M79: 69,996,545 km (0.117 R)
• M80: 70,349,595 km (0.117 R)
• M81: 71,530,521 km (0.094 R)
• M82: 71,648,853 km (0.074 R)
• M83: 73,792,142 km (0.103 R)
• M84: 75,835,499 km (0.105 R)
• M85: 76,803,547 km (0.112 R)
• M86: 78,507,467 km (0.094 R)
• M87: 78,629,688 km (0.073 R)
• M88: 78,751,909 km (0.107 R)
• M89: 79,855,044 km (0.105 R)
• M90: 80,716,429 km (0.079 R)
• M91: 81,086,683 km (0.037 R)

Kuiper Belt

Range: 36.9 - 63.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 17,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit