🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.15 AU - 1.35 AU

Year: 526 Days

Day: 47.8 Hours

Environment

Temp: -33 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.38 AU - 1.62 AU

Year: 692 Days

Day: 17 Hours

Environment

Temp: -42 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,999,896 km

• M1: 443,109 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.76 AU - 2.44 AU

Year: 1146 Days

Day: 39.3 Hours

Environment

Temp: -84 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.58 AU - 3 AU

Year: 1756 Days

Day: 29.7 Hours

Environment

Temp: -115 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.7 AU - 3.98 AU

Year: 2835 Days

Day: 34.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,999,896 km

• M1: 621,878 km (0.059 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.45 AU - 4.31 AU

Year: 2879 Days

Day: 16.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.45 AU - 4.45 AU

Year: 2957 Days

Day: 19.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,999,896 km

• M1: 737,069 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.8

Radius: 12.8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.73 AU - 7.31 AU

Year: 5564 Days

Day: 9 Hours

Environment

Temp: -163 °C

Axial Tilt: 140.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 88,999,896 km

• M1: 159,920 km (0.113 R)
• M2: 260,599 km (0.083 R)
• M3: 392,096 km (0.069 R)
• M4: 676,332 km (0.103 R)
• M5: 849,566 km (0.102 R)
• M6: 1,156,990 km (0.068 R)
• M7: 1,621,791 km (0.08 R)
• M8: 2,096,764 km (0.091 R)
• M9: 2,647,134 km (0.071 R)
• M10: 2,762,624 km (0.079 R)
• M11: 2,913,568 km (0.049 R)
• M12: 3,015,743 km (0.069 R)
• M13: 3,101,912 km (0.074 R)
• M14: 3,347,552 km (0.086 R)
• M15: 4,471,780 km (0.108 R)
• M16: 4,629,905 km (0.087 R)
• M17: 4,870,907 km (0.091 R)
• M18: 5,767,896 km (0.045 R)
• M19: 6,027,448 km (0.116 R)
• M20: 7,405,543 km (0.079 R)
• M21: 7,569,802 km (0.05 R)
• M22: 7,759,043 km (0.11 R)
• M23: 8,531,417 km (0.114 R)
• M24: 8,654,386 km (0.115 R)
• M25: 8,753,271 km (0.114 R)
• M26: 9,051,868 km (0.094 R)
• M27: 9,227,645 km (0.104 R)
• M28: 9,684,817 km (0.111 R)
• M29: 9,890,364 km (0.104 R)
• M30: 10,175,348 km (0.092 R)
• M31: 10,859,908 km (0.069 R)
• M32: 10,939,943 km (0.105 R)
• M33: 11,315,733 km (0.032 R)
• M34: 11,559,427 km (0.118 R)
• M35: 11,777,691 km (0.108 R)
• M36: 12,496,209 km (0.037 R)
• M37: 13,342,933 km (0.072 R)
• M38: 13,686,859 km (0.093 R)
• M39: 13,975,732 km (0.075 R)
• M40: 14,383,536 km (0.098 R)
• M41: 14,677,197 km (0.114 R)
• M42: 15,992,910 km (0.116 R)
• M43: 16,266,674 km (0.062 R)
• M44: 17,190,441 km (0.119 R)
• M45: 17,346,172 km (0.071 R)
• M46: 17,470,937 km (0.115 R)
• M47: 18,257,971 km (0.079 R)
• M48: 18,384,980 km (0.074 R)
• M49: 19,088,838 km (0.119 R)
• M50: 19,638,760 km (0.087 R)
• M51: 19,768,910 km (0.112 R)
• M52: 20,325,264 km (0.095 R)
• M53: 20,754,161 km (0.085 R)
• M54: 20,853,644 km (0.112 R)
• M55: 21,252,921 km (0.119 R)
• M56: 22,025,145 km (0.059 R)
• M57: 22,363,834 km (0.11 R)
• M58: 22,738,278 km (0.066 R)
• M59: 22,909,268 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.7

Radius: 5.8

Gravity: 16.01 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 17.26 AU - 18.54 AU

Year: 28530 Days

Day: 24.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 88,999,896 km

• M1: 286,929 km (0.069 R)
• M2: 466,596 km (0.107 R)
• M3: 705,055 km (0.11 R)
• M4: 1,007,392 km (0.072 R)
• M5: 1,096,403 km (0.093 R)
• M6: 1,314,367 km (0.109 R)
• M7: 1,478,326 km (0.092 R)
• M8: 1,790,238 km (0.102 R)
• M9: 2,122,195 km (0.094 R)
• M10: 2,433,209 km (0.071 R)
• M11: 3,141,106 km (0.083 R)
• M12: 3,861,570 km (0.108 R)
• M13: 4,192,331 km (0.057 R)
• M14: 4,982,207 km (0.119 R)
• M15: 5,033,071 km (0.099 R)
• M16: 5,135,396 km (0.103 R)
• M17: 6,415,654 km (0.119 R)
• M18: 6,694,206 km (0.109 R)
• M19: 6,863,251 km (0.115 R)
• M20: 6,976,796 km (0.111 R)
• M21: 7,205,681 km (0.115 R)
• M22: 8,386,606 km (0.112 R)
• M23: 10,397,501 km (0.033 R)
• M24: 10,658,848 km (0.119 R)
• M25: 11,121,405 km (0.076 R)
• M26: 11,188,126 km (0.026 R)
• M27: 11,861,615 km (0.08 R)
• M28: 11,998,048 km (0.091 R)
• M29: 12,272,112 km (0.12 R)
• M30: 13,531,127 km (0.084 R)
• M31: 16,320,978 km (0.115 R)
• M32: 17,780,156 km (0.079 R)
• M33: 18,406,971 km (0.08 R)
• M34: 19,601,510 km (0.099 R)
• M35: 19,924,342 km (0.118 R)
• M36: 20,657,072 km (0.084 R)
• M37: 21,564,533 km (0.119 R)
• M38: 22,485,009 km (0.033 R)
• M39: 22,653,755 km (0.073 R)
• M40: 22,822,801 km (0.081 R)
• M41: 23,418,200 km (0.093 R)
• M42: 23,589,191 km (0.103 R)
• M43: 23,674,910 km (0.031 R)
• M44: 25,322,282 km (0.097 R)
• M45: 25,673,687 km (0.104 R)
• M46: 26,204,012 km (0.105 R)
• M47: 26,470,446 km (0.12 R)
• M48: 26,827,237 km (0.044 R)
• M49: 28,634,678 km (0.11 R)
• M50: 28,726,082 km (0.105 R)
• M51: 30,481,015 km (0.104 R)
• M52: 33,996,864 km (0.103 R)
• M53: 34,093,654 km (0.078 R)
• M54: 34,773,726 km (0.115 R)
• M55: 35,066,489 km (0.12 R)
• M56: 36,940,202 km (0.069 R)
• M57: 38,542,994 km (0.089 R)
• M58: 40,066,050 km (0.118 R)
• M59: 42,648,109 km (0.073 R)
• M60: 42,752,528 km (0.108 R)
• M61: 42,856,948 km (0.034 R)
• M62: 43,380,690 km (0.101 R)
• M63: 48,623,497 km (0.079 R)
• M64: 48,732,703 km (0.108 R)
• M65: 51,819,356 km (0.064 R)
• M66: 52,265,457 km (0.082 R)
• M67: 52,377,057 km (0.102 R)
• M68: 52,712,755 km (0.068 R)
• M69: 54,288,469 km (0.092 R)
• M70: 55,537,462 km (0.117 R)
• M71: 56,566,396 km (0.07 R)
• M72: 56,795,879 km (0.048 R)
• M73: 57,716,953 km (0.117 R)
• M74: 58,179,360 km (0.066 R)
• M75: 58,642,964 km (0.076 R)
• M76: 59,690,598 km (0.046 R)
• M77: 59,924,269 km (0.102 R)
• M78: 60,275,226 km (0.089 R)
• M79: 60,392,361 km (0.096 R)
• M80: 61,686,233 km (0.104 R)
• M81: 67,194,726 km (0.111 R)
• M82: 68,657,494 km (0.054 R)
• M83: 69,024,757 km (0.094 R)
• M84: 69,270,097 km (0.112 R)
• M85: 71,986,645 km (0.069 R)
• M86: 75,242,044 km (0.113 R)
• M87: 77,906,083 km (0.115 R)
• M88: 79,442,304 km (0.057 R)
• M89: 80,600,939 km (0.077 R)
• M90: 80,859,145 km (0.089 R)
• M91: 82,934,965 km (0.096 R)
• M92: 84,110,356 km (0.109 R)
• M93: 85,686,070 km (0.115 R)
• M94: 86,345,497 km (0.115 R)
• M95: 87,669,289 km (0.089 R)
• M96: 88,733,229 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 17,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit