🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.59 AU - 0.85 AU

Year: 230 Days

Day: 43.6 Hours

Environment

Temp: 177 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,382,259 km

• M1: 148,102 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.64 AU - 0.86 AU

Year: 245 Days

Day: 25.6 Hours

Environment

Temp: 128 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.79 AU - 1.01 AU

Year: 322 Days

Day: 17.4 Hours

Environment

Temp: 30 °C

Axial Tilt: 22.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.8 AU - 1.12 AU

Year: 354 Days

Day: 35.5 Hours

Environment

Temp: 30 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 61,382,259 km

• M1: 241,750 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.12 AU - 1.46 AU

Year: 552 Days

Day: 24.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.74 AU - 3 AU

Year: 1832 Days

Day: 24 Hours

Environment

Temp: -106 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.23 AU - 3.55 AU

Year: 2351 Days

Day: 33.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,382,259 km

• M1: 1,193,342 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.1

Radius: 11.4

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.26 AU - 4.56 AU

Year: 3489 Days

Day: 9 Hours

Environment

Temp: -129 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 61,382,259 km

• M1: 311,912 km (0.106 R)
• M2: 504,893 km (0.052 R)
• M3: 576,101 km (0.118 R)
• M4: 710,739 km (0.092 R)
• M5: 867,817 km (0.036 R)
• M6: 979,417 km (0.117 R)
• M7: 1,072,467 km (0.084 R)
• M8: 1,193,193 km (0.057 R)
• M9: 1,489,097 km (0.088 R)
• M10: 1,866,084 km (0.074 R)
• M11: 2,319,964 km (0.117 R)
• M12: 2,398,951 km (0.115 R)
• M13: 2,511,150 km (0.097 R)
• M14: 2,592,382 km (0.06 R)
• M15: 2,707,572 km (0.084 R)
• M16: 2,960,392 km (0.117 R)
• M17: 3,081,118 km (0.11 R)
• M18: 3,635,228 km (0.102 R)
• M19: 3,727,530 km (0.114 R)
• M20: 3,839,429 km (0.088 R)
• M21: 3,990,374 km (0.115 R)
• M22: 4,298,096 km (0.095 R)
• M23: 4,494,518 km (0.06 R)
• M24: 4,693,783 km (0.07 R)
• M25: 4,875,694 km (0.114 R)
• M26: 5,018,859 km (0.077 R)
• M27: 5,330,322 km (0.054 R)
• M28: 5,863,638 km (0.106 R)
• M29: 6,125,584 km (0.085 R)
• M30: 6,258,128 km (0.083 R)
• M31: 6,503,468 km (0.102 R)
• M32: 6,661,294 km (0.109 R)
• M33: 7,516,545 km (0.092 R)
• M34: 7,634,727 km (0.087 R)
• M35: 8,017,399 km (0.105 R)
• M36: 8,162,509 km (0.052 R)
• M37: 8,455,272 km (0.1 R)
• M38: 8,701,959 km (0.103 R)
• M39: 8,826,274 km (0.083 R)
• M40: 9,051,270 km (0.11 R)
• M41: 9,253,077 km (0.069 R)
• M42: 9,354,504 km (0.048 R)
• M43: 9,532,825 km (0.083 R)
• M44: 9,686,761 km (0.065 R)
• M45: 9,789,685 km (0.097 R)
• M46: 10,048,788 km (0.12 R)
• M47: 10,231,597 km (0.061 R)
• M48: 10,468,111 km (0.058 R)
• M49: 11,054,086 km (0.103 R)
• M50: 11,541,326 km (0.103 R)
• M51: 11,650,682 km (0.12 R)
• M52: 12,565,174 km (0.09 R)
• M53: 12,818,593 km (0.104 R)
• M54: 13,016,960 km (0.112 R)
• M55: 13,330,666 km (0.117 R)
• M56: 13,994,582 km (0.075 R)
• M57: 14,521,615 km (0.118 R)
• M58: 14,698,888 km (0.105 R)
• M59: 15,264,668 km (0.073 R)
• M60: 15,384,645 km (0.058 R)
• M61: 15,474,853 km (0.1 R)
• M62: 15,959,101 km (0.089 R)
• M63: 16,540,438 km (0.043 R)
• M64: 16,787,424 km (0.095 R)
• M65: 17,128,807 km (0.112 R)
• M66: 17,253,571 km (0.069 R)
• M67: 17,787,187 km (0.1 R)
• M68: 18,294,324 km (0.04 R)
• M69: 18,838,411 km (0.096 R)
• M70: 18,935,051 km (0.033 R)
• M71: 19,128,631 km (0.07 R)
• M72: 19,225,720 km (0.115 R)
• M73: 19,582,960 km (0.118 R)
• M74: 19,680,797 km (0.107 R)
• M75: 20,271,259 km (0.103 R)
• M76: 20,502,388 km (0.109 R)
• M77: 21,067,569 km (0.097 R)
• M78: 21,874,051 km (0.101 R)
• M79: 22,793,480 km (0.1 R)
• M80: 22,896,403 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.8

Radius: 13.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.22 AU - 9.5 AU

Year: 9106 Days

Day: 9.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 61,382,259 km

• M1: 169,345 km (0.106 R)
• M2: 328,816 km (0.116 R)
• M3: 457,021 km (0.112 R)
• M4: 668,104 km (0.109 R)
• M5: 1,040,304 km (0.114 R)
• M6: 1,270,684 km (0.109 R)
• M7: 1,539,661 km (0.097 R)
• M8: 1,736,981 km (0.111 R)
• M9: 1,827,488 km (0.11 R)
• M10: 2,329,538 km (0.053 R)
• M11: 2,661,795 km (0.048 R)
• M12: 3,036,837 km (0.119 R)
• M13: 3,286,964 km (0.09 R)
• M14: 4,017,451 km (0.095 R)
• M15: 4,139,074 km (0.111 R)
• M16: 4,574,254 km (0.061 R)
• M17: 4,733,426 km (0.057 R)
• M18: 4,861,931 km (0.053 R)
• M19: 5,122,680 km (0.077 R)
• M20: 5,354,706 km (0.115 R)
• M21: 5,488,895 km (0.089 R)
• M22: 5,590,173 km (0.116 R)
• M23: 5,726,307 km (0.09 R)
• M24: 6,352,674 km (0.047 R)
• M25: 7,110,836 km (0.031 R)
• M26: 7,594,785 km (0.113 R)
• M27: 7,783,727 km (0.11 R)
• M28: 8,950,291 km (0.068 R)
• M29: 10,046,395 km (0.112 R)
• M30: 11,529,957 km (0.069 R)
• M31: 11,616,723 km (0.113 R)
• M32: 12,054,297 km (0.079 R)
• M33: 12,230,823 km (0.095 R)
• M34: 12,497,257 km (0.044 R)
• M35: 13,217,121 km (0.102 R)
• M36: 13,353,555 km (0.097 R)
• M37: 13,996,676 km (0.115 R)
• M38: 15,696,557 km (0.074 R)
• M39: 15,986,328 km (0.09 R)
• M40: 16,277,744 km (0.09 R)
• M41: 17,460,914 km (0.073 R)
• M42: 18,569,883 km (0.104 R)
• M43: 18,978,883 km (0.103 R)
• M44: 19,236,042 km (0.04 R)
• M45: 21,762,451 km (0.044 R)
• M46: 21,869,862 km (0.12 R)
• M47: 22,573,122 km (0.113 R)
• M48: 22,682,029 km (0.102 R)
• M49: 23,393,816 km (0.082 R)
• M50: 23,669,525 km (0.109 R)
• M51: 23,835,578 km (0.062 R)
• M52: 23,946,430 km (0.071 R)
• M53: 24,391,484 km (0.116 R)
• M54: 25,064,375 km (0.095 R)
• M55: 25,857,094 km (0.066 R)
• M56: 26,313,817 km (0.104 R)
• M57: 27,409,172 km (0.089 R)
• M58: 27,758,184 km (0.107 R)
• M59: 27,874,721 km (0.092 R)
• M60: 30,002,451 km (0.073 R)
• M61: 30,182,118 km (0.088 R)
• M62: 31,693,206 km (0.051 R)
• M63: 32,734,856 km (0.109 R)
• M64: 32,919,909 km (0.11 R)
• M65: 33,601,028 km (0.111 R)
• M66: 34,286,934 km (0.108 R)
• M67: 34,412,148 km (0.109 R)
• M68: 34,600,342 km (0.048 R)
• M69: 34,725,855 km (0.118 R)
• M70: 35,103,589 km (0.036 R)
• M71: 36,244,722 km (0.102 R)
• M72: 36,755,898 km (0.109 R)
• M73: 37,076,635 km (0.074 R)
• M74: 37,462,598 km (0.076 R)
• M75: 40,598,618 km (0.103 R)
• M76: 40,996,399 km (0.036 R)
• M77: 41,328,955 km (0.105 R)
• M78: 41,462,247 km (0.034 R)
• M79: 41,595,688 km (0.097 R)
• M80: 42,063,780 km (0.117 R)
• M81: 42,264,989 km (0.116 R)
• M82: 42,937,880 km (0.03 R)
• M83: 43,546,444 km (0.079 R)
• M84: 44,225,918 km (0.112 R)
• M85: 45,183,194 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.5

Radius: 5.5

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 13.31 AU - 16.17 AU

Year: 21319 Days

Day: 17.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 61.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 61,382,259 km

• M1: 159,322 km (0.116 R)
• M2: 296,353 km (0.077 R)
• M3: 969,544 km (0.104 R)
• M4: 1,481,917 km (0.104 R)
• M5: 1,669,063 km (0.075 R)
• M6: 1,751,492 km (0.11 R)
• M7: 2,843,407 km (0.083 R)
• M8: 2,942,291 km (0.108 R)
• M9: 3,384,053 km (0.092 R)
• M10: 3,594,837 km (0.11 R)
• M11: 3,666,045 km (0.105 R)
• M12: 3,773,905 km (0.098 R)
• M13: 4,066,220 km (0.098 R)
• M14: 4,634,243 km (0.116 R)
• M15: 5,429,505 km (0.103 R)
• M16: 5,593,614 km (0.094 R)
• M17: 5,759,368 km (0.12 R)
• M18: 6,655,908 km (0.115 R)
• M19: 7,008,810 km (0.08 R)
• M20: 7,549,457 km (0.054 R)
• M21: 7,595,084 km (0.073 R)
• M22: 8,056,743 km (0.07 R)
• M23: 8,862,327 km (0.11 R)
• M24: 10,959,989 km (0.086 R)
• M25: 11,219,392 km (0.08 R)
• M26: 11,428,529 km (0.047 R)
• M27: 11,638,864 km (0.097 R)
• M28: 12,224,091 km (0.041 R)
• M29: 12,709,835 km (0.065 R)
• M30: 13,146,960 km (0.064 R)
• M31: 14,036,020 km (0.105 R)
• M32: 15,696,257 km (0.085 R)
• M33: 17,056,401 km (0.085 R)
• M34: 17,417,381 km (0.111 R)
• M35: 18,886,432 km (0.036 R)
• M36: 22,203,017 km (0.084 R)
• M37: 22,662,881 km (0.092 R)
• M38: 23,525,462 km (0.105 R)
• M39: 23,793,093 km (0.05 R)
• M40: 24,061,621 km (0.117 R)
• M41: 27,996,494 km (0.114 R)
• M42: 28,778,442 km (0.084 R)
• M43: 29,208,087 km (0.067 R)
• M44: 29,423,657 km (0.053 R)
• M45: 29,639,826 km (0.074 R)
• M46: 30,801,304 km (0.106 R)
• M47: 34,146,761 km (0.114 R)
• M48: 36,131,626 km (0.06 R)
• M49: 36,594,930 km (0.101 R)
• M50: 37,527,523 km (0.059 R)
• M51: 37,605,614 km (0.054 R)
• M52: 37,996,662 km (0.058 R)
• M53: 38,389,207 km (0.114 R)
• M54: 39,416,047 km (0.044 R)
• M55: 39,892,965 km (0.047 R)
• M56: 40,132,172 km (0.063 R)
• M57: 42,712,885 km (0.1 R)
• M58: 43,776,675 km (0.101 R)
• M59: 45,846,511 km (0.098 R)
• M60: 47,019,658 km (0.028 R)
• M61: 47,272,329 km (0.065 R)
• M62: 48,032,884 km (0.093 R)
• M63: 49,566,412 km (0.045 R)
• M64: 50,253,066 km (0.069 R)
• M65: 50,770,077 km (0.059 R)
• M66: 50,856,395 km (0.07 R)
• M67: 52,681,040 km (0.106 R)
• M68: 56,662,437 km (0.088 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 19,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit