🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.5 AU - 0.6 AU

Year: 183 Days

Day: 31.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 24.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,893,642 km

• M1: 175,628 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.6 AU - 0.64 AU

Year: 219 Days

Day: 15 Hours

Environment

Temp: 5 °C

Axial Tilt: 50 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.71 AU - 1.01 AU

Year: 359 Days

Day: 26.1 Hours

Environment

Temp: -49 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.01 AU - 1.35 AU

Year: 576 Days

Day: 23.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,893,642 km

• M1: 834,158 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.21 AU - 1.91 AU

Year: 876 Days

Day: 40.6 Hours

Environment

Temp: -105 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,893,642 km

• M1: 509,381 km (0.106 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.71 AU - 1.79 AU

Year: 1041 Days

Day: 43.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.6

Radius: 10.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.86 AU - 5.36 AU

Year: 5193 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 48,893,642 km

• M1: 129,851 km (0.118 R)
• M2: 255,812 km (0.082 R)
• M3: 672,293 km (0.055 R)
• M4: 943,963 km (0.077 R)
• M5: 1,064,389 km (0.107 R)
• M6: 1,210,097 km (0.054 R)
• M7: 1,489,546 km (0.075 R)
• M8: 2,269,101 km (0.083 R)
• M9: 2,344,498 km (0.087 R)
• M10: 2,747,514 km (0.081 R)
• M11: 2,868,689 km (0.051 R)
• M12: 3,060,623 km (0.077 R)
• M13: 3,414,123 km (0.069 R)
• M14: 3,486,528 km (0.108 R)
• M15: 3,632,685 km (0.107 R)
• M16: 3,931,133 km (0.082 R)
• M17: 5,170,102 km (0.089 R)
• M18: 5,270,034 km (0.109 R)
• M19: 5,642,383 km (0.12 R)
• M20: 6,093,570 km (0.057 R)
• M21: 6,323,502 km (0.108 R)
• M22: 6,412,662 km (0.083 R)
• M23: 6,791,893 km (0.104 R)
• M24: 7,104,403 km (0.05 R)
• M25: 7,365,152 km (0.113 R)
• M26: 7,440,400 km (0.118 R)
• M27: 7,800,631 km (0.107 R)
• M28: 8,127,802 km (0.081 R)
• M29: 8,263,936 km (0.088 R)
• M30: 8,342,026 km (0.119 R)
• M31: 8,479,207 km (0.034 R)
• M32: 8,895,538 km (0.114 R)
• M33: 9,277,910 km (0.079 R)
• M34: 9,727,602 km (0.092 R)
• M35: 9,810,030 km (0.116 R)
• M36: 10,038,167 km (0.111 R)
• M37: 10,457,340 km (0.066 R)
• M38: 10,796,927 km (0.062 R)
• M39: 11,053,936 km (0.057 R)
• M40: 11,226,423 km (0.096 R)
• M41: 11,486,873 km (0.106 R)
• M42: 11,683,444 km (0.104 R)
• M43: 11,903,353 km (0.063 R)
• M44: 12,146,599 km (0.095 R)
• M45: 12,548,419 km (0.034 R)
• M46: 13,022,794 km (0.036 R)
• M47: 13,872,659 km (0.047 R)
• M48: 14,269,243 km (0.091 R)
• M49: 14,882,894 km (0.068 R)
• M50: 14,978,188 km (0.063 R)
• M51: 16,184,994 km (0.101 R)
• M52: 16,258,446 km (0.069 R)
• M53: 16,331,899 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.7

Radius: 11.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.05 AU - 6.81 AU

Year: 6492 Days

Day: 10.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 48,893,642 km

• M1: 160,519 km (0.111 R)
• M2: 310,116 km (0.073 R)
• M3: 502,499 km (0.086 R)
• M4: 576,700 km (0.027 R)
• M5: 686,056 km (0.067 R)
• M6: 836,701 km (0.046 R)
• M7: 1,096,852 km (0.11 R)
• M8: 1,383,182 km (0.031 R)
• M9: 1,493,436 km (0.113 R)
• M10: 1,693,597 km (0.102 R)
• M11: 1,872,517 km (0.102 R)
• M12: 2,200,585 km (0.104 R)
• M13: 2,479,884 km (0.082 R)
• M14: 2,893,821 km (0.104 R)
• M15: 3,163,546 km (0.081 R)
• M16: 3,574,342 km (0.071 R)
• M17: 3,923,055 km (0.039 R)
• M18: 4,202,055 km (0.12 R)
• M19: 4,405,358 km (0.099 R)
• M20: 4,674,485 km (0.105 R)
• M21: 4,885,268 km (0.065 R)
• M22: 5,602,889 km (0.089 R)
• M23: 5,917,493 km (0.117 R)
• M24: 6,540,419 km (0.065 R)
• M25: 7,208,373 km (0.102 R)
• M26: 7,427,833 km (0.092 R)
• M27: 9,103,330 km (0.103 R)
• M28: 9,208,497 km (0.076 R)
• M29: 9,367,071 km (0.088 R)
• M30: 9,526,542 km (0.06 R)
• M31: 9,633,355 km (0.112 R)
• M32: 9,848,177 km (0.079 R)
• M33: 11,030,300 km (0.116 R)
• M34: 11,709,474 km (0.043 R)
• M35: 12,314,747 km (0.113 R)
• M36: 12,871,401 km (0.082 R)
• M37: 13,108,065 km (0.103 R)
• M38: 13,286,684 km (0.109 R)
• M39: 13,526,041 km (0.074 R)
• M40: 15,178,649 km (0.043 R)
• M41: 15,648,984 km (0.115 R)
• M42: 15,743,680 km (0.117 R)
• M43: 16,092,243 km (0.115 R)
• M44: 16,187,836 km (0.051 R)
• M45: 16,539,840 km (0.12 R)
• M46: 16,700,508 km (0.116 R)
• M47: 16,959,013 km (0.078 R)
• M48: 17,939,627 km (0.108 R)
• M49: 18,337,109 km (0.103 R)
• M50: 18,470,251 km (0.104 R)
• M51: 18,770,942 km (0.083 R)
• M52: 19,073,280 km (0.095 R)
• M53: 19,309,495 km (0.114 R)
• M54: 19,546,757 km (0.109 R)
• M55: 20,264,378 km (0.052 R)
• M56: 21,060,089 km (0.114 R)
• M57: 21,972,038 km (0.092 R)
• M58: 23,798,029 km (0.106 R)
• M59: 24,344,361 km (0.068 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.9

Radius: 10.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.97 AU - 9.47 AU

Year: 12587 Days

Day: 10.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 48,893,642 km

• M1: 172,187 km (0.084 R)
• M2: 396,734 km (0.082 R)
• M3: 520,750 km (0.062 R)
• M4: 708,795 km (0.081 R)
• M5: 1,053,169 km (0.12 R)
• M6: 1,535,921 km (0.083 R)
• M7: 2,007,454 km (0.105 R)
• M8: 2,795,236 km (0.115 R)
• M9: 2,906,986 km (0.12 R)
• M10: 3,163,995 km (0.078 R)
• M11: 3,310,152 km (0.038 R)
• M12: 3,518,392 km (0.071 R)
• M13: 3,669,785 km (0.087 R)
• M14: 4,105,564 km (0.09 R)
• M15: 4,557,649 km (0.108 R)
• M16: 5,300,253 km (0.11 R)
• M17: 5,439,379 km (0.064 R)
• M18: 5,721,221 km (0.107 R)
• M19: 5,935,744 km (0.043 R)
• M20: 6,707,520 km (0.107 R)
• M21: 6,896,013 km (0.067 R)
• M22: 6,971,859 km (0.105 R)
• M23: 7,048,004 km (0.115 R)
• M24: 7,124,449 km (0.063 R)
• M25: 8,103,118 km (0.077 R)
• M26: 8,183,303 km (0.093 R)
• M27: 8,875,043 km (0.091 R)
• M28: 8,957,621 km (0.086 R)
• M29: 9,165,263 km (0.119 R)
• M30: 10,011,987 km (0.113 R)
• M31: 10,795,282 km (0.085 R)
• M32: 10,972,106 km (0.072 R)
• M33: 12,052,801 km (0.096 R)
• M34: 13,450,943 km (0.059 R)
• M35: 13,832,418 km (0.061 R)
• M36: 14,024,501 km (0.101 R)
• M37: 14,120,842 km (0.041 R)
• M38: 14,508,450 km (0.107 R)
• M39: 15,842,863 km (0.111 R)
• M40: 16,245,730 km (0.041 R)
• M41: 17,061,488 km (0.113 R)
• M42: 17,267,633 km (0.074 R)
• M43: 18,945,673 km (0.108 R)
• M44: 19,052,186 km (0.105 R)
• M45: 19,158,999 km (0.026 R)
• M46: 19,858,070 km (0.067 R)
• M47: 21,336,546 km (0.05 R)
• M48: 21,670,000 km (0.104 R)
• M49: 22,061,048 km (0.097 R)
• M50: 22,341,844 km (0.085 R)
• M51: 23,020,569 km (0.084 R)
• M52: 23,993,703 km (0.102 R)
• M53: 24,514,453 km (0.116 R)
• M54: 26,633,956 km (0.107 R)
• M55: 26,873,163 km (0.118 R)
• M56: 27,836,723 km (0.055 R)
• M57: 28,444,838 km (0.115 R)
• M58: 28,995,807 km (0.09 R)
• M59: 30,544,744 km (0.073 R)
• M60: 32,120,308 km (0.101 R)
• M61: 32,758,044 km (0.089 R)
• M62: 33,206,838 km (0.09 R)
• M63: 33,593,249 km (0.105 R)
• M64: 34,175,634 km (0.051 R)
• M65: 34,695,935 km (0.085 R)
• M66: 34,891,759 km (0.034 R)
• M67: 35,942,534 km (0.084 R)
• M68: 36,471,662 km (0.109 R)
• M69: 36,670,926 km (0.094 R)
• M70: 37,671,885 km (0.104 R)
• M71: 38,142,221 km (0.079 R)
• M72: 39,292,330 km (0.093 R)
• M73: 41,418,714 km (0.09 R)
• M74: 41,695,769 km (0.102 R)
• M75: 41,834,596 km (0.1 R)
• M76: 42,670,549 km (0.084 R)
• M77: 43,934,800 km (0.111 R)
• M78: 44,217,391 km (0.064 R)
• M79: 44,571,489 km (0.11 R)
• M80: 46,356,042 km (0.107 R)
• M81: 46,932,143 km (0.118 R)
• M82: 47,800,559 km (0.098 R)
• M83: 47,945,818 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 13,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit