🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.54 AU - 0.6 AU

Year: 160 Days

Day: 23.4 Hours

Environment

Temp: 211 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.03 AU - 1.37 AU

Year: 490 Days

Day: 30.5 Hours

Environment

Temp: -15 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 30,511,089 km

• M1: 249,380 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.27 AU - 3.51 AU

Year: 1831 Days

Day: 33.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.06 AU - 3.66 AU

Year: 2296 Days

Day: 45.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,511,089 km

• M1: 95,593 km (0.054 R)
• M2: 1,825,393 km (0.077 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.31 AU - 3.61 AU

Year: 2399 Days

Day: 39.8 Hours

Environment

Temp: -112 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.1

Radius: 11.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.63 AU - 5.37 AU

Year: 3559 Days

Day: 14 Hours

Environment

Temp: -135 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 30,511,089 km

• M1: 169,494 km (0.091 R)
• M2: 240,703 km (0.104 R)
• M3: 761,304 km (0.081 R)
• M4: 950,844 km (0.057 R)
• M5: 1,126,173 km (0.086 R)
• M6: 1,197,381 km (0.114 R)
• M7: 1,291,478 km (0.078 R)
• M8: 1,588,879 km (0.107 R)
• M9: 1,669,662 km (0.108 R)
• M10: 1,811,481 km (0.091 R)
• M11: 2,082,103 km (0.101 R)
• M12: 2,235,441 km (0.089 R)
• M13: 2,499,332 km (0.107 R)
• M14: 2,662,543 km (0.096 R)
• M15: 2,801,370 km (0.087 R)
• M16: 3,159,058 km (0.09 R)
• M17: 3,561,776 km (0.089 R)
• M18: 3,792,755 km (0.076 R)
• M19: 4,108,406 km (0.085 R)
• M20: 4,285,680 km (0.117 R)
• M21: 4,482,102 km (0.106 R)
• M22: 4,698,121 km (0.082 R)
• M23: 4,816,004 km (0.102 R)
• M24: 4,968,893 km (0.088 R)
• M25: 5,175,338 km (0.08 R)
• M26: 5,262,105 km (0.112 R)
• M27: 5,349,470 km (0.048 R)
• M28: 5,650,162 km (0.07 R)
• M29: 5,811,578 km (0.114 R)
• M30: 6,379,302 km (0.055 R)
• M31: 6,453,802 km (0.071 R)
• M32: 6,603,848 km (0.053 R)
• M33: 7,022,423 km (0.102 R)
• M34: 7,371,285 km (0.119 R)
• M35: 7,706,086 km (0.116 R)
• M36: 7,825,465 km (0.074 R)
• M37: 8,106,409 km (0.05 R)
• M38: 8,288,620 km (0.079 R)
• M39: 8,492,821 km (0.102 R)
• M40: 8,678,172 km (0.064 R)
• M41: 8,760,900 km (0.08 R)
• M42: 9,031,672 km (0.09 R)
• M43: 9,581,594 km (0.109 R)
• M44: 10,338,858 km (0.118 R)
• M45: 11,070,542 km (0.119 R)
• M46: 11,636,022 km (0.11 R)
• M47: 11,727,426 km (0.117 R)
• M48: 12,303,826 km (0.06 R)
• M49: 12,490,225 km (0.049 R)
• M50: 12,677,672 km (0.118 R)
• M51: 13,628,366 km (0.096 R)
• M52: 13,724,707 km (0.091 R)
• M53: 13,797,112 km (0.074 R)
• M54: 13,966,607 km (0.115 R)
• M55: 14,063,696 km (0.084 R)
• M56: 14,136,700 km (0.106 R)
• M57: 15,597,972 km (0.062 R)
• M58: 15,673,519 km (0.091 R)
• M59: 15,749,215 km (0.101 R)
• M60: 16,027,916 km (0.111 R)
• M61: 16,231,519 km (0.052 R)
• M62: 16,384,856 km (0.073 R)
• M63: 16,744,490 km (0.027 R)
• M64: 17,262,846 km (0.081 R)
• M65: 17,550,224 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 10.8

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.05 AU - 5.61 AU

Year: 4587 Days

Day: 7 Hours

Environment

Temp: -141 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 30,511,089 km

• M1: 152,141 km (0.091 R)
• M2: 368,310 km (0.107 R)
• M3: 453,730 km (0.044 R)
• M4: 626,067 km (0.079 R)
• M5: 733,478 km (0.068 R)
• M6: 981,960 km (0.101 R)
• M7: 1,167,911 km (0.099 R)
• M8: 1,365,679 km (0.038 R)
• M9: 1,591,123 km (0.1 R)
• M10: 1,776,924 km (0.095 R)
• M11: 2,005,958 km (0.101 R)
• M12: 2,133,415 km (0.03 R)
• M13: 2,301,114 km (0.115 R)
• M14: 2,912,671 km (0.096 R)
• M15: 3,015,893 km (0.05 R)
• M16: 3,268,863 km (0.1 R)
• M17: 3,528,864 km (0.115 R)
• M18: 3,795,597 km (0.104 R)
• M19: 3,954,171 km (0.079 R)
• M20: 4,045,874 km (0.104 R)
• M21: 4,138,326 km (0.119 R)
• M22: 4,348,810 km (0.049 R)
• M23: 4,491,078 km (0.102 R)
• M24: 4,586,820 km (0.1 R)
• M25: 4,756,016 km (0.114 R)
• M26: 5,051,023 km (0.062 R)
• M27: 5,125,672 km (0.086 R)
• M28: 5,301,449 km (0.055 R)
• M29: 5,453,590 km (0.115 R)
• M30: 5,581,646 km (0.061 R)
• M31: 5,918,989 km (0.11 R)
• M32: 6,478,186 km (0.089 R)
• M33: 6,998,637 km (0.074 R)
• M34: 7,249,962 km (0.101 R)
• M35: 7,561,125 km (0.09 R)
• M36: 7,761,586 km (0.065 R)
• M37: 7,876,777 km (0.103 R)
• M38: 8,314,201 km (0.111 R)
• M39: 8,402,613 km (0.052 R)
• M40: 8,610,105 km (0.062 R)
• M41: 9,000,107 km (0.115 R)
• M42: 9,151,650 km (0.069 R)
• M43: 9,642,331 km (0.113 R)
• M44: 9,828,580 km (0.12 R)
• M45: 10,110,273 km (0.072 R)
• M46: 10,489,803 km (0.115 R)
• M47: 10,649,424 km (0.113 R)
• M48: 10,809,793 km (0.052 R)
• M49: 10,970,909 km (0.069 R)
• M50: 11,132,924 km (0.076 R)
• M51: 11,921,454 km (0.102 R)
• M52: 12,021,386 km (0.111 R)
• M53: 12,288,867 km (0.068 R)
• M54: 12,660,169 km (0.088 R)
• M55: 15,288,005 km (0.028 R)
• M56: 15,505,371 km (0.043 R)
• M57: 15,614,427 km (0.061 R)
• M58: 16,163,452 km (0.086 R)
• M59: 17,243,099 km (0.099 R)
• M60: 17,318,347 km (0.069 R)
• M61: 17,582,836 km (0.118 R)
• M62: 18,039,259 km (0.111 R)
• M63: 18,307,488 km (0.103 R)
• M64: 18,499,721 km (0.118 R)
• M65: 18,847,537 km (0.063 R)
• M66: 18,964,073 km (0.105 R)
• M67: 19,549,749 km (0.039 R)
• M68: 20,062,271 km (0.103 R)
• M69: 22,197,033 km (0.072 R)
• M70: 22,279,012 km (0.104 R)
• M71: 22,484,410 km (0.088 R)
• M72: 23,270,398 km (0.088 R)
• M73: 24,065,510 km (0.058 R)
• M74: 25,210,682 km (0.056 R)
• M75: 26,373,656 km (0.097 R)
• M76: 27,114,764 km (0.044 R)
• M77: 27,642,096 km (0.1 R)
• M78: 27,774,490 km (0.106 R)
• M79: 28,394,873 km (0.117 R)
• M80: 28,796,094 km (0.088 R)
• M81: 29,830,115 km (0.103 R)
• M82: 30,374,501 km (0.058 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: 326 - 18,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit