🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.62 AU - 0.78 AU

Year: 261 Days

Day: 21.3 Hours

Environment

Temp: -19 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,641,051 km

• M1: 36,352 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.88 AU - 1.06 AU

Year: 426 Days

Day: 37.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,641,051 km

• M1: 274,662 km (0.089 R)
• M2: 898,934 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.02 AU - 1.04 AU

Year: 466 Days

Day: 45.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.85 AU - 1.21 AU

Year: 466 Days

Day: 23.2 Hours

Environment

Temp: -78 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.27 AU - 1.93 AU

Year: 903 Days

Day: 31.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.69 AU - 1.87 AU

Year: 1060 Days

Day: 24.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.62 AU - 2.6 AU

Year: 1368 Days

Day: 21.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,641,051 km

• M1: 991,235 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.6

Radius: 14.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.55 AU - 5.93 AU

Year: 6136 Days

Day: 13.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 38,641,051 km

• M1: 177,573 km (0.079 R)
• M2: 340,485 km (0.054 R)
• M3: 594,652 km (0.115 R)
• M4: 824,733 km (0.073 R)
• M5: 1,000,211 km (0.091 R)
• M6: 1,100,442 km (0.063 R)
• M7: 1,554,322 km (0.091 R)
• M8: 1,655,450 km (0.103 R)
• M9: 2,120,699 km (0.069 R)
• M10: 2,646,686 km (0.107 R)
• M11: 2,789,701 km (0.061 R)
• M12: 2,914,466 km (0.084 R)
• M13: 3,234,755 km (0.084 R)
• M14: 3,748,175 km (0.094 R)
• M15: 4,026,277 km (0.119 R)
• M16: 4,168,096 km (0.065 R)
• M17: 4,456,521 km (0.063 R)
• M18: 4,851,459 km (0.108 R)
• M19: 5,335,258 km (0.096 R)
• M20: 5,675,294 km (0.109 R)
• M21: 6,185,124 km (0.078 R)
• M22: 6,487,162 km (0.118 R)
• M23: 6,991,905 km (0.072 R)
• M24: 7,950,080 km (0.1 R)
• M25: 8,248,677 km (0.083 R)
• M26: 8,551,014 km (0.055 R)
• M27: 8,949,543 km (0.086 R)
• M28: 9,354,056 km (0.107 R)
• M29: 9,701,123 km (0.102 R)
• M30: 9,892,309 km (0.115 R)
• M31: 10,084,692 km (0.072 R)
• M32: 10,505,810 km (0.059 R)
• M33: 11,634,526 km (0.112 R)
• M34: 11,939,705 km (0.108 R)
• M35: 12,385,357 km (0.091 R)
• M36: 14,950,811 km (0.114 R)
• M37: 16,255,604 km (0.105 R)
• M38: 16,520,990 km (0.104 R)
• M39: 16,749,576 km (0.059 R)
• M40: 17,674,390 km (0.093 R)
• M41: 18,853,820 km (0.105 R)
• M42: 19,855,976 km (0.091 R)
• M43: 20,547,417 km (0.103 R)
• M44: 20,834,495 km (0.062 R)
• M45: 20,957,914 km (0.119 R)
• M46: 21,912,049 km (0.111 R)
• M47: 22,205,410 km (0.097 R)
• M48: 25,252,569 km (0.101 R)
• M49: 26,713,093 km (0.115 R)
• M50: 26,847,283 km (0.116 R)
• M51: 27,386,134 km (0.062 R)
• M52: 27,656,757 km (0.09 R)
• M53: 28,657,118 km (0.111 R)
• M54: 28,794,449 km (0.07 R)
• M55: 28,977,856 km (0.12 R)
• M56: 29,623,071 km (0.104 R)
• M57: 30,226,399 km (0.09 R)
• M58: 31,021,362 km (0.101 R)
• M59: 31,397,900 km (0.063 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.7

Radius: 9.7

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.88 AU - 6.68 AU

Year: 7023 Days

Day: 14.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 38,641,051 km

• M1: 127,009 km (0.051 R)
• M2: 205,996 km (0.072 R)
• M3: 341,083 km (0.083 R)
• M4: 617,540 km (0.085 R)
• M5: 701,016 km (0.042 R)
• M6: 818,749 km (0.114 R)
• M7: 1,682,078 km (0.083 R)
• M8: 2,380,850 km (0.064 R)
• M9: 2,539,873 km (0.116 R)
• M10: 2,655,661 km (0.04 R)
• M11: 2,868,390 km (0.102 R)
• M12: 2,964,880 km (0.07 R)
• M13: 3,037,884 km (0.097 R)
• M14: 3,111,486 km (0.097 R)
• M15: 3,437,609 km (0.048 R)
• M16: 3,540,234 km (0.085 R)
• M17: 3,722,145 km (0.052 R)
• M18: 3,801,132 km (0.065 R)
• M19: 3,933,975 km (0.115 R)
• M20: 4,122,618 km (0.108 R)
• M21: 4,964,555 km (0.105 R)
• M22: 5,139,285 km (0.062 R)
• M23: 5,464,960 km (0.084 R)
• M24: 5,889,219 km (0.101 R)
• M25: 6,043,305 km (0.085 R)
• M26: 6,261,269 km (0.1 R)
• M27: 6,513,641 km (0.095 R)
• M28: 6,672,963 km (0.069 R)
• M29: 6,995,795 km (0.057 R)
• M30: 7,159,006 km (0.097 R)
• M31: 7,290,652 km (0.082 R)
• M32: 7,589,549 km (0.096 R)
• M33: 8,406,353 km (0.03 R)
• M34: 8,684,904 km (0.075 R)
• M35: 9,108,416 km (0.075 R)
• M36: 9,322,640 km (0.065 R)
• M37: 9,394,447 km (0.11 R)
• M38: 10,233,392 km (0.071 R)
• M39: 11,826,310 km (0.107 R)
• M40: 12,099,326 km (0.106 R)
• M41: 12,216,910 km (0.082 R)
• M42: 12,651,492 km (0.078 R)
• M43: 13,333,209 km (0.099 R)
• M44: 13,535,915 km (0.072 R)
• M45: 13,780,507 km (0.1 R)
• M46: 14,648,324 km (0.086 R)
• M47: 15,448,673 km (0.092 R)
• M48: 15,704,336 km (0.062 R)
• M49: 15,875,625 km (0.067 R)
• M50: 16,047,513 km (0.115 R)
• M51: 16,784,881 km (0.119 R)
• M52: 17,003,892 km (0.103 R)
• M53: 17,267,783 km (0.054 R)
• M54: 17,533,170 km (0.101 R)
• M55: 17,622,031 km (0.056 R)
• M56: 17,710,892 km (0.03 R)
• M57: 18,112,861 km (0.1 R)
• M58: 18,427,615 km (0.11 R)
• M59: 18,608,330 km (0.106 R)
• M60: 19,520,428 km (0.114 R)
• M61: 23,507,361 km (0.09 R)
• M62: 23,605,347 km (0.112 R)
• M63: 24,591,945 km (0.092 R)
• M64: 24,691,428 km (0.078 R)
• M65: 24,790,910 km (0.073 R)
• M66: 24,940,508 km (0.079 R)
• M67: 25,390,947 km (0.099 R)
• M68: 26,198,477 km (0.077 R)
• M69: 26,554,520 km (0.109 R)
• M70: 26,758,571 km (0.038 R)
• M71: 28,202,041 km (0.053 R)
• M72: 30,360,888 km (0.065 R)
• M73: 31,110,224 km (0.119 R)
• M74: 31,487,061 km (0.1 R)
• M75: 32,136,764 km (0.087 R)
• M76: 32,736,203 km (0.117 R)
• M77: 32,900,312 km (0.028 R)
• M78: 33,449,485 km (0.033 R)
• M79: 33,725,045 km (0.077 R)
• M80: 34,501,009 km (0.068 R)
• M81: 34,723,760 km (0.07 R)
• M82: 34,835,360 km (0.045 R)
• M83: 35,170,759 km (0.063 R)
• M84: 35,563,453 km (0.079 R)
• M85: 35,844,697 km (0.116 R)
• M86: 36,183,387 km (0.097 R)
• M87: 37,091,595 km (0.116 R)
• M88: 37,319,732 km (0.101 R)
• M89: 37,491,171 km (0.107 R)
• M90: 38,237,365 km (0.099 R)
• M91: 38,467,896 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 18,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit