🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.49 AU - 0.65 AU

Year: 188 Days

Day: 16.2 Hours

Environment

Temp: 24 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.61 AU - 0.75 AU

Year: 245 Days

Day: 21.1 Hours

Environment

Temp: 3 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 53,322,148 km

• M1: 113,246 km (0.052 R)
• M2: 137,331 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.93 AU - 0.97 AU

Year: 404 Days

Day: 23.2 Hours

Environment

Temp: -45 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,322,148 km

• M1: 532,419 km (0.119 R)
• M2: 760,705 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.08 AU - 1.48 AU

Year: 632 Days

Day: 43.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,322,148 km

• M1: 211,382 km (0.083 R)
• M2: 357,090 km (0.028 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.2 AU - 1.38 AU

Year: 640 Days

Day: 33.2 Hours

Environment

Temp: -85 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.4

Radius: 13.1

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.26 AU - 3.38 AU

Year: 2067 Days

Day: 14.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 53,322,148 km

• M1: 167,550 km (0.084 R)
• M2: 257,308 km (0.101 R)
• M3: 410,197 km (0.044 R)
• M4: 536,159 km (0.108 R)
• M5: 621,280 km (0.09 R)
• M6: 746,344 km (0.025 R)
• M7: 844,181 km (0.079 R)
• M8: 946,955 km (0.065 R)
• M9: 1,145,770 km (0.103 R)
• M10: 1,370,017 km (0.112 R)
• M11: 1,715,888 km (0.096 R)
• M12: 1,800,710 km (0.116 R)
• M13: 1,912,010 km (0.025 R)
• M14: 2,025,555 km (0.088 R)
• M15: 2,462,082 km (0.115 R)
• M16: 2,614,223 km (0.057 R)
• M17: 2,769,655 km (0.118 R)
• M18: 2,899,057 km (0.113 R)
• M19: 3,015,893 km (0.077 R)
• M20: 3,164,294 km (0.094 R)
• M21: 3,299,830 km (0.112 R)
• M22: 3,499,244 km (0.09 R)
• M23: 3,639,716 km (0.12 R)
• M24: 3,797,991 km (0.11 R)
• M25: 3,926,196 km (0.101 R)
• M26: 4,319,788 km (0.077 R)
• M27: 4,453,977 km (0.057 R)
• M28: 4,829,917 km (0.081 R)
• M29: 5,004,198 km (0.112 R)
• M30: 5,341,392 km (0.047 R)
• M31: 5,467,353 km (0.112 R)
• M32: 5,925,871 km (0.058 R)
• M33: 6,169,267 km (0.031 R)
• M34: 6,415,953 km (0.1 R)
• M35: 6,958,395 km (0.111 R)
• M36: 7,056,831 km (0.077 R)
• M37: 7,314,887 km (0.033 R)
• M38: 7,414,968 km (0.079 R)
• M39: 7,963,693 km (0.077 R)
• M40: 8,211,726 km (0.078 R)
• M41: 9,057,104 km (0.072 R)
• M42: 9,143,123 km (0.077 R)
• M43: 9,294,366 km (0.072 R)
• M44: 9,446,507 km (0.119 R)
• M45: 9,709,201 km (0.081 R)
• M46: 10,444,325 km (0.089 R)
• M47: 10,807,100 km (0.11 R)
• M48: 12,038,589 km (0.072 R)
• M49: 12,299,787 km (0.12 R)
• M50: 12,466,888 km (0.032 R)
• M51: 12,779,398 km (0.103 R)
• M52: 13,094,601 km (0.097 R)
• M53: 13,314,210 km (0.029 R)
• M54: 13,412,197 km (0.028 R)
• M55: 14,030,335 km (0.118 R)
• M56: 14,280,164 km (0.111 R)
• M57: 14,455,941 km (0.078 R)
• M58: 14,632,467 km (0.1 R)
• M59: 16,463,096 km (0.088 R)
• M60: 16,885,411 km (0.114 R)
• M61: 17,044,882 km (0.118 R)
• M62: 17,178,024 km (0.099 R)
• M63: 17,525,839 km (0.098 R)
• M64: 17,687,255 km (0.108 R)
• M65: 18,310,331 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.7

Radius: 6.9

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 9.17 AU - 12.45 AU

Year: 15516 Days

Day: 15.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 53,322,148 km

• M1: 138,976 km (0.063 R)
• M2: 309,069 km (0.117 R)
• M3: 717,023 km (0.116 R)
• M4: 968,048 km (0.072 R)
• M5: 1,179,280 km (0.115 R)
• M6: 1,897,051 km (0.116 R)
• M7: 2,410,321 km (0.103 R)
• M8: 2,697,100 km (0.063 R)
• M9: 3,209,473 km (0.116 R)
• M10: 3,429,232 km (0.111 R)
• M11: 3,589,152 km (0.034 R)
• M12: 4,253,367 km (0.09 R)
• M13: 4,564,530 km (0.088 R)
• M14: 4,776,211 km (0.116 R)
• M15: 4,954,981 km (0.088 R)
• M16: 5,319,102 km (0.071 R)
• M17: 5,430,104 km (0.098 R)
• M18: 5,654,351 km (0.073 R)
• M19: 5,805,445 km (0.094 R)
• M20: 6,189,313 km (0.105 R)
• M21: 6,384,239 km (0.072 R)
• M22: 6,620,903 km (0.11 R)
• M23: 7,021,825 km (0.096 R)
• M24: 7,102,907 km (0.082 R)
• M25: 8,058,089 km (0.098 R)
• M26: 8,185,696 km (0.088 R)
• M27: 8,877,138 km (0.12 R)
• M28: 9,274,470 km (0.101 R)
• M29: 9,767,843 km (0.109 R)
• M30: 10,223,818 km (0.063 R)
• M31: 11,346,101 km (0.114 R)
• M32: 11,680,751 km (0.102 R)
• M33: 12,067,312 km (0.117 R)
• M34: 12,115,932 km (0.094 R)
• M35: 12,556,348 km (0.104 R)
• M36: 14,164,226 km (0.074 R)
• M37: 15,412,171 km (0.101 R)
• M38: 15,623,553 km (0.111 R)
• M39: 17,403,917 km (0.074 R)
• M40: 17,458,820 km (0.066 R)
• M41: 17,623,976 km (0.096 R)
• M42: 17,679,177 km (0.104 R)
• M43: 17,789,730 km (0.109 R)
• M44: 18,569,883 km (0.067 R)
• M45: 18,794,878 km (0.032 R)
• M46: 18,851,276 km (0.104 R)
• M47: 21,210,884 km (0.099 R)
• M48: 22,335,560 km (0.059 R)
• M49: 22,694,745 km (0.118 R)
• M50: 22,814,872 km (0.083 R)
• M51: 23,905,889 km (0.077 R)
• M52: 24,211,817 km (0.059 R)
• M53: 24,396,122 km (0.055 R)
• M54: 25,137,678 km (0.094 R)
• M55: 25,761,352 km (0.117 R)
• M56: 25,949,546 km (0.05 R)
• M57: 26,769,941 km (0.044 R)
• M58: 29,216,315 km (0.057 R)
• M59: 29,281,539 km (0.109 R)
• M60: 30,201,417 km (0.113 R)
• M61: 30,333,661 km (0.103 R)
• M62: 30,399,783 km (0.095 R)
• M63: 31,331,180 km (0.098 R)
• M64: 31,598,960 km (0.057 R)
• M65: 31,665,980 km (0.073 R)
• M66: 32,002,126 km (0.081 R)
• M67: 32,406,938 km (0.116 R)
• M68: 33,153,581 km (0.099 R)
• M69: 33,700,212 km (0.07 R)
• M70: 33,974,574 km (0.112 R)
• M71: 34,387,614 km (0.098 R)
• M72: 35,427,319 km (0.076 R)
• M73: 36,196,402 km (0.108 R)
• M74: 36,759,189 km (0.101 R)
• M75: 36,900,260 km (0.065 R)
• M76: 37,608,605 km (0.043 R)
• M77: 37,822,082 km (0.112 R)
• M78: 38,035,857 km (0.079 R)
• M79: 38,393,097 km (0.113 R)
• M80: 38,751,384 km (0.118 R)
• M81: 39,760,720 km (0.107 R)
• M82: 42,173,734 km (0.105 R)
• M83: 42,247,635 km (0.056 R)
• M84: 43,211,644 km (0.08 R)
• M85: 43,360,644 km (0.056 R)
• M86: 43,958,287 km (0.105 R)
• M87: 44,182,983 km (0.086 R)
• M88: 45,161,503 km (0.039 R)
• M89: 45,691,378 km (0.064 R)
• M90: 45,767,225 km (0.107 R)
• M91: 48,448,766 km (0.097 R)
• M92: 52,605,044 km (0.094 R)
• M93: 53,162,446 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 14,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit