🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.62 AU - 0.88 AU

Year: 237 Days

Day: 17.7 Hours

Environment

Temp: 154 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,248,112 km

• M1: 165,156 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.06 AU - 1.08 AU

Year: 404 Days

Day: 27.2 Hours

Environment

Temp: 18 °C

Axial Tilt: 6.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 77,248,112 km

• M1: 325,675 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.07 AU - 1.43 AU

Year: 510 Days

Day: 47.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.61 AU - 2.63 AU

Year: 1127 Days

Day: 36.5 Hours

Environment

Temp: -71 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.86 AU - 3.04 AU

Year: 1401 Days

Day: 32.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.37 AU - 2.63 AU

Year: 1444 Days

Day: 19.3 Hours

Environment

Temp: -87 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,248,112 km

• M1: 432,637 km (0.026 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.33 AU - 3.63 AU

Year: 1879 Days

Day: 30.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 110.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.1

Radius: 13.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.03 AU - 6.73 AU

Year: 5208 Days

Day: 13.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,248,112 km

• M1: 225,743 km (0.104 R)
• M2: 423,960 km (0.099 R)
• M3: 744,549 km (0.106 R)
• M4: 1,091,017 km (0.073 R)
• M5: 1,683,275 km (0.101 R)
• M6: 2,089,433 km (0.119 R)
• M7: 2,526,708 km (0.116 R)
• M8: 2,738,239 km (0.098 R)
• M9: 3,079,323 km (0.051 R)
• M10: 3,242,384 km (0.111 R)
• M11: 3,616,828 km (0.086 R)
• M12: 3,802,628 km (0.037 R)
• M13: 4,520,399 km (0.103 R)
• M14: 4,749,882 km (0.075 R)
• M15: 4,924,463 km (0.095 R)
• M16: 5,265,247 km (0.084 R)
• M17: 6,111,223 km (0.085 R)
• M18: 6,736,841 km (0.113 R)
• M19: 7,232,159 km (0.113 R)
• M20: 7,534,946 km (0.073 R)
• M21: 7,945,293 km (0.08 R)
• M22: 8,188,090 km (0.038 R)
• M23: 8,433,281 km (0.076 R)
• M24: 8,949,094 km (0.115 R)
• M25: 9,111,258 km (0.12 R)
• M26: 9,310,822 km (0.106 R)
• M27: 9,992,839 km (0.112 R)
• M28: 10,330,331 km (0.1 R)
• M29: 10,959,091 km (0.081 R)
• M30: 12,635,335 km (0.06 R)
• M31: 12,797,350 km (0.054 R)
• M32: 13,741,462 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.1

Radius: 5.6

Gravity: 29.15 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 10.38 AU - 16.78 AU

Year: 18278 Days

Day: 24.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 77,248,112 km

• M1: 136,882 km (0.089 R)
• M2: 344,524 km (0.089 R)
• M3: 400,025 km (0.092 R)
• M4: 438,920 km (0.064 R)
• M5: 479,162 km (0.079 R)
• M6: 585,825 km (0.106 R)
• M7: 700,268 km (0.082 R)
• M8: 772,523 km (0.074 R)
• M9: 950,844 km (0.065 R)
• M10: 1,529,489 km (0.088 R)
• M11: 1,853,218 km (0.071 R)
• M12: 2,341,207 km (0.104 R)
• M13: 2,487,813 km (0.082 R)
• M14: 3,346,205 km (0.083 R)
• M15: 3,806,817 km (0.04 R)
• M16: 4,154,333 km (0.045 R)
• M17: 4,926,258 km (0.075 R)
• M18: 5,594,512 km (0.113 R)
• M19: 6,290,740 km (0.085 R)
• M20: 6,546,104 km (0.104 R)
• M21: 7,225,727 km (0.041 R)
• M22: 9,163,917 km (0.048 R)
• M23: 9,221,512 km (0.069 R)
• M24: 10,398,997 km (0.107 R)
• M25: 12,827,569 km (0.119 R)
• M26: 13,281,149 km (0.058 R)
• M27: 13,872,211 km (0.075 R)
• M28: 14,943,930 km (0.112 R)
• M29: 15,079,765 km (0.048 R)
• M30: 16,250,966 km (0.117 R)
• M31: 17,665,713 km (0.06 R)
• M32: 18,025,496 km (0.087 R)
• M33: 18,170,157 km (0.085 R)
• M34: 18,679,389 km (0.086 R)
• M35: 19,045,903 km (0.114 R)
• M36: 19,414,812 km (0.074 R)
• M37: 19,488,863 km (0.11 R)
• M38: 20,385,103 km (0.116 R)
• M39: 20,762,539 km (0.114 R)
• M40: 21,985,501 km (0.085 R)
• M41: 23,467,867 km (0.111 R)
• M42: 23,942,690 km (0.08 R)
• M43: 25,792,019 km (0.07 R)
• M44: 26,036,612 km (0.042 R)
• M45: 27,603,500 km (0.105 R)
• M46: 29,625,914 km (0.105 R)
• M47: 30,224,754 km (0.108 R)
• M48: 31,173,803 km (0.088 R)
• M49: 31,608,385 km (0.076 R)
• M50: 33,366,758 km (0.114 R)
• M51: 33,722,202 km (0.038 R)
• M52: 35,972,304 km (0.026 R)
• M53: 38,642,476 km (0.106 R)
• M54: 39,296,518 km (0.085 R)
• M55: 39,390,316 km (0.078 R)
• M56: 40,048,397 km (0.048 R)
• M57: 40,142,793 km (0.087 R)
• M58: 40,426,132 km (0.101 R)
• M59: 40,520,827 km (0.093 R)
• M60: 41,471,073 km (0.101 R)
• M61: 41,662,109 km (0.109 R)
• M62: 42,813,863 km (0.086 R)
• M63: 44,365,642 km (0.114 R)
• M64: 46,529,426 km (0.109 R)
• M65: 46,727,793 km (0.082 R)
• M66: 47,824,046 km (0.111 R)
• M67: 48,928,826 km (0.108 R)
• M68: 49,130,484 km (0.114 R)
• M69: 49,231,462 km (0.116 R)
• M70: 49,332,591 km (0.105 R)
• M71: 49,636,125 km (0.12 R)
• M72: 51,470,643 km (0.119 R)
• M73: 51,881,290 km (0.119 R)
• M74: 52,396,056 km (0.057 R)
• M75: 53,742,586 km (0.11 R)
• M76: 55,100,486 km (0.108 R)
• M77: 56,575,372 km (0.086 R)
• M78: 57,424,040 km (0.042 R)
• M79: 59,026,533 km (0.049 R)
• M80: 59,887,319 km (0.098 R)
• M81: 61,948,029 km (0.037 R)
• M82: 62,166,293 km (0.04 R)
• M83: 63,261,349 km (0.091 R)
• M84: 65,359,759 km (0.08 R)
• M85: 66,696,715 km (0.111 R)
• M86: 70,989,575 km (0.053 R)
• M87: 73,515,386 km (0.092 R)
• M88: 73,746,514 km (0.06 R)
• M89: 74,325,308 km (0.099 R)
• M90: 74,789,361 km (0.052 R)
• M91: 75,603,772 km (0.032 R)
• M92: 77,594,022 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.6

Radius: 6.1

Gravity: 15.85 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 14.27 AU - 16.51 AU

Year: 22052 Days

Day: 20.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 77,248,112 km

• M1: 203,752 km (0.1 R)
• M2: 476,918 km (0.067 R)
• M3: 538,552 km (0.08 R)
• M4: 788,082 km (0.085 R)
• M5: 862,133 km (0.072 R)
• M6: 912,846 km (0.047 R)
• M7: 1,126,023 km (0.102 R)
• M8: 1,692,700 km (0.109 R)
• M9: 2,229,307 km (0.12 R)
• M10: 3,861,271 km (0.09 R)
• M11: 5,532,877 km (0.075 R)
• M12: 5,725,410 km (0.105 R)
• M13: 6,216,540 km (0.104 R)
• M14: 6,416,851 km (0.054 R)
• M15: 6,670,120 km (0.062 R)
• M16: 7,502,483 km (0.108 R)
• M17: 8,147,998 km (0.066 R)
• M18: 8,643,915 km (0.029 R)
• M19: 8,979,762 km (0.088 R)
• M20: 9,780,260 km (0.065 R)
• M21: 10,247,903 km (0.112 R)
• M22: 11,571,096 km (0.09 R)
• M23: 11,755,700 km (0.073 R)
• M24: 16,261,289 km (0.032 R)
• M25: 16,399,068 km (0.11 R)
• M26: 16,745,088 km (0.081 R)
• M27: 17,797,659 km (0.104 R)
• M28: 19,966,229 km (0.115 R)
• M29: 20,484,137 km (0.082 R)
• M30: 22,753,387 km (0.087 R)
• M31: 22,830,281 km (0.074 R)
• M32: 23,139,200 km (0.078 R)
• M33: 23,527,257 km (0.055 R)
• M34: 24,704,293 km (0.091 R)
• M35: 25,100,877 km (0.093 R)
• M36: 25,819,994 km (0.085 R)
• M37: 27,033,682 km (0.064 R)
• M38: 27,688,471 km (0.045 R)
• M39: 29,013,759 km (0.115 R)
• M40: 32,502,830 km (0.104 R)
• M41: 34,517,166 km (0.06 R)
• M42: 34,960,424 km (0.109 R)
• M43: 35,049,435 km (0.056 R)
• M44: 36,481,685 km (0.096 R)
• M45: 36,571,743 km (0.095 R)
• M46: 37,204,841 km (0.086 R)
• M47: 37,841,679 km (0.062 R)
• M48: 38,390,254 km (0.066 R)
• M49: 39,588,085 km (0.107 R)
• M50: 40,238,087 km (0.107 R)
• M51: 40,704,533 km (0.109 R)
• M52: 41,078,977 km (0.062 R)
• M53: 42,209,189 km (0.101 R)
• M54: 42,303,884 km (0.104 R)
• M55: 43,540,610 km (0.108 R)
• M56: 44,307,748 km (0.095 R)
• M57: 45,079,224 km (0.081 R)
• M58: 47,125,274 km (0.12 R)
• M59: 47,912,757 km (0.051 R)
• M60: 48,605,246 km (0.097 R)
• M61: 49,102,060 km (0.061 R)
• M62: 50,602,228 km (0.114 R)
• M63: 50,702,758 km (0.03 R)
• M64: 51,813,223 km (0.032 R)
• M65: 52,015,928 km (0.086 R)
• M66: 52,829,590 km (0.091 R)
• M67: 53,852,690 km (0.068 R)
• M68: 57,274,742 km (0.106 R)
• M69: 57,904,399 km (0.099 R)
• M70: 58,114,734 km (0.074 R)
• M71: 59,064,830 km (0.093 R)
• M72: 60,446,067 km (0.103 R)
• M73: 61,408,580 km (0.07 R)
• M74: 63,240,405 km (0.047 R)
• M75: 63,348,714 km (0.105 R)
• M76: 64,980,827 km (0.091 R)
• M77: 65,856,872 km (0.12 R)
• M78: 66,516,599 km (0.093 R)
• M79: 66,626,703 km (0.101 R)
• M80: 66,957,464 km (0.116 R)
• M81: 68,731,096 km (0.094 R)
• M82: 70,744,833 km (0.088 R)
• M83: 71,871,903 km (0.114 R)
• M84: 72,551,078 km (0.044 R)
• M85: 72,777,868 km (0.11 R)
• M86: 75,288,569 km (0.108 R)
• M87: 75,633,243 km (0.109 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 15,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit