🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.65 AU - 0.77 AU

Year: 219 Days

Day: 14.7 Hours

Environment

Temp: 179 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.66 AU - 0.98 AU

Year: 271 Days

Day: 32 Hours

Environment

Temp: 139 °C

Axial Tilt: 41.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.15 AU - 1.75 AU

Year: 638 Days

Day: 18.7 Hours

Environment

Temp: -28 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.39 AU - 1.57 AU

Year: 658 Days

Day: 14 Hours

Environment

Temp: -25 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.45 AU - 1.77 AU

Year: 746 Days

Day: 17.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,873,498 km

• M1: 692,040 km (0.094 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.33 AU - 2.19 AU

Year: 853 Days

Day: 29.7 Hours

Environment

Temp: -53 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,873,498 km

• M1: 337,642 km (0.106 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.75 AU - 2.37 AU

Year: 1080 Days

Day: 25.8 Hours

Environment

Temp: -78 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.41 AU - 3.97 AU

Year: 2081 Days

Day: 17.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 17.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.3

Radius: 3.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 13.36 AU - 21.02 AU

Year: 26032 Days

Day: 16.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 61,873,498 km

• M1: 127,607 km (0.112 R)
• M2: 158,424 km (0.11 R)
• M3: 352,901 km (0.106 R)
• M4: 656,435 km (0.098 R)
• M5: 1,155,494 km (0.108 R)
• M6: 1,330,673 km (0.096 R)
• M7: 1,863,840 km (0.091 R)
• M8: 1,904,231 km (0.109 R)
• M9: 2,302,311 km (0.066 R)
• M10: 3,268,414 km (0.048 R)
• M11: 4,182,906 km (0.048 R)
• M12: 4,209,385 km (0.062 R)
• M13: 5,142,277 km (0.072 R)
• M14: 5,748,897 km (0.118 R)
• M15: 6,377,956 km (0.053 R)
• M16: 7,764,877 km (0.088 R)
• M17: 8,795,607 km (0.114 R)
• M18: 9,587,728 km (0.096 R)
• M19: 10,187,615 km (0.119 R)
• M20: 10,690,862 km (0.113 R)
• M21: 10,872,474 km (0.094 R)
• M22: 11,202,038 km (0.086 R)
• M23: 11,238,839 km (0.12 R)
• M24: 11,275,640 km (0.118 R)
• M25: 11,497,644 km (0.033 R)
• M26: 12,859,583 km (0.05 R)
• M27: 13,716,778 km (0.094 R)
• M28: 14,391,614 km (0.049 R)
• M29: 14,471,649 km (0.066 R)
• M30: 14,995,990 km (0.042 R)
• M31: 15,036,531 km (0.113 R)
• M32: 15,526,464 km (0.108 R)
• M33: 16,104,510 km (0.113 R)
• M34: 16,689,737 km (0.097 R)
• M35: 16,815,997 km (0.082 R)
• M36: 17,069,566 km (0.087 R)
• M37: 17,324,331 km (0.026 R)
• M38: 17,494,873 km (0.08 R)
• M39: 17,623,228 km (0.041 R)
• M40: 19,363,350 km (0.082 R)
• M41: 20,029,958 km (0.106 R)
• M42: 20,523,481 km (0.081 R)
• M43: 21,202,955 km (0.12 R)
• M44: 21,522,646 km (0.1 R)
• M45: 21,614,200 km (0.108 R)
• M46: 23,144,436 km (0.074 R)
• M47: 23,332,331 km (0.114 R)
• M48: 26,161,077 km (0.059 R)
• M49: 27,739,933 km (0.115 R)
• M50: 28,039,428 km (0.119 R)
• M51: 28,289,705 km (0.09 R)
• M52: 30,114,201 km (0.054 R)
• M53: 33,079,530 km (0.093 R)
• M54: 34,302,193 km (0.12 R)
• M55: 36,027,655 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.2

Radius: 7.2

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 13.65 AU - 21.63 AU

Year: 27061 Days

Day: 20.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 61,873,498 km

• M1: 583,880 km (0.098 R)
• M2: 640,428 km (0.11 R)
• M3: 759,658 km (0.098 R)
• M4: 1,043,296 km (0.116 R)
• M5: 1,540,260 km (0.036 R)
• M6: 2,221,828 km (0.097 R)
• M7: 2,885,893 km (0.086 R)
• M8: 3,019,035 km (0.108 R)
• M9: 3,086,354 km (0.11 R)
• M10: 3,500,889 km (0.069 R)
• M11: 4,612,551 km (0.12 R)
• M12: 5,287,387 km (0.053 R)
• M13: 5,368,918 km (0.095 R)
• M14: 5,866,181 km (0.069 R)
• M15: 6,771,697 km (0.073 R)
• M16: 7,038,281 km (0.07 R)
• M17: 7,128,039 km (0.052 R)
• M18: 7,952,024 km (0.118 R)
• M19: 8,709,438 km (0.068 R)
• M20: 9,341,789 km (0.088 R)
• M21: 9,588,924 km (0.049 R)
• M22: 10,241,620 km (0.102 R)
• M23: 10,753,544 km (0.085 R)
• M24: 12,230,374 km (0.087 R)
• M25: 12,555,151 km (0.054 R)
• M26: 12,882,770 km (0.113 R)
• M27: 12,937,523 km (0.071 R)
• M28: 13,047,477 km (0.109 R)
• M29: 13,102,679 km (0.114 R)
• M30: 16,846,515 km (0.097 R)
• M31: 17,389,406 km (0.067 R)
• M32: 17,632,503 km (0.101 R)
• M33: 17,693,389 km (0.044 R)
• M34: 18,183,472 km (0.094 R)
• M35: 18,306,740 km (0.101 R)
• M36: 19,177,101 km (0.083 R)
• M37: 19,743,777 km (0.102 R)
• M38: 20,700,306 km (0.08 R)
• M39: 20,957,914 km (0.088 R)
• M40: 22,990,350 km (0.103 R)
• M41: 23,525,013 km (0.094 R)
• M42: 24,063,715 km (0.108 R)
• M43: 24,742,889 km (0.077 R)
• M44: 24,811,106 km (0.071 R)
• M45: 24,947,839 km (0.084 R)
• M46: 25,221,902 km (0.112 R)
• M47: 25,359,382 km (0.106 R)
• M48: 26,328,627 km (0.099 R)
• M49: 27,380,449 km (0.101 R)
• M50: 27,875,918 km (0.107 R)
• M51: 29,019,743 km (0.102 R)
• M52: 29,163,806 km (0.073 R)
• M53: 29,452,679 km (0.051 R)
• M54: 30,617,299 km (0.055 R)
• M55: 30,984,412 km (0.091 R)
• M56: 31,574,725 km (0.05 R)
• M57: 31,722,976 km (0.092 R)
• M58: 31,871,378 km (0.098 R)
• M59: 32,243,278 km (0.11 R)
• M60: 32,467,226 km (0.114 R)
• M61: 32,991,716 km (0.032 R)
• M62: 33,443,352 km (0.115 R)
• M63: 34,581,642 km (0.113 R)
• M64: 39,100,994 km (0.118 R)
• M65: 39,260,166 km (0.119 R)
• M66: 39,818,764 km (0.093 R)
• M67: 40,540,873 km (0.113 R)
• M68: 40,943,890 km (0.109 R)
• M69: 41,591,499 km (0.075 R)
• M70: 46,218,711 km (0.062 R)
• M71: 47,740,271 km (0.118 R)
• M72: 48,421,839 km (0.109 R)
• M73: 49,794,549 km (0.064 R)
• M74: 50,312,606 km (0.093 R)
• M75: 51,790,035 km (0.045 R)
• M76: 52,929,522 km (0.078 R)
• M77: 53,900,113 km (0.113 R)
• M78: 54,077,237 km (0.11 R)
• M79: 58,749,477 km (0.11 R)
• M80: 60,856,863 km (0.064 R)
• M81: 61,133,619 km (0.112 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: 341 - 14,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit