🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.61 AU - 0.65 AU

Year: 187 Days

Day: 34.4 Hours

Environment

Temp: 167 °C

Axial Tilt: 24.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,481,917 km

• M1: 61,784 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.67 AU - 0.77 AU

Year: 229 Days

Day: 21.9 Hours

Environment

Temp: 103 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,481,917 km

• M1: 193,131 km (0.027 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.76 AU - 0.88 AU

Year: 278 Days

Day: 30.9 Hours

Environment

Temp: 130 °C

Axial Tilt: 0.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,481,917 km

• M1: 169,195 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.75 AU - 1.15 AU

Year: 347 Days

Day: 47 Hours

Environment

Temp: 40 °C

Axial Tilt: 8.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.9 AU - 1.42 AU

Year: 468 Days

Day: 27 Hours

Environment

Temp: -1 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,481,917 km

• M1: 703,110 km (0.088 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.38 AU - 2.3 AU

Year: 935 Days

Day: 21.8 Hours

Environment

Temp: -63 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,481,917 km

• M1: 371,601 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.75 AU - 1.93 AU

Year: 935 Days

Day: 25.1 Hours

Environment

Temp: -73 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.43 AU - 4.95 AU

Year: 3214 Days

Day: 27.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,481,917 km

• M1: 736,321 km (0.076 R)

Asteroid Belt

Center: 9.7 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 15.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.5

Radius: 5.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 13.74 AU - 16.66 AU

Year: 22207 Days

Day: 17 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 81,481,917 km

• M1: 102,325 km (0.11 R)
• M2: 176,525 km (0.05 R)
• M3: 223,798 km (0.059 R)
• M4: 305,030 km (0.096 R)
• M5: 1,378,544 km (0.117 R)
• M6: 1,590,076 km (0.057 R)
• M7: 2,903,994 km (0.1 R)
• M8: 2,993,304 km (0.033 R)
• M9: 3,038,333 km (0.099 R)
• M10: 3,620,418 km (0.118 R)
• M11: 4,236,013 km (0.04 R)
• M12: 4,388,603 km (0.101 R)
• M13: 5,589,724 km (0.097 R)
• M14: 6,855,472 km (0.095 R)
• M15: 6,944,932 km (0.09 R)
• M16: 7,215,554 km (0.115 R)
• M17: 7,520,435 km (0.081 R)
• M18: 7,612,587 km (0.103 R)
• M19: 7,674,371 km (0.053 R)
• M20: 7,736,155 km (0.118 R)
• M21: 8,427,746 km (0.1 R)
• M22: 8,555,652 km (0.116 R)
• M23: 8,684,156 km (0.056 R)
• M24: 9,040,947 km (0.059 R)
• M25: 9,106,322 km (0.11 R)
• M26: 9,204,607 km (0.068 R)
• M27: 9,369,464 km (0.1 R)
• M28: 9,468,648 km (0.063 R)
• M29: 9,869,420 km (0.082 R)
• M30: 10,173,553 km (0.069 R)
• M31: 10,241,620 km (0.094 R)
• M32: 10,895,363 km (0.115 R)
• M33: 12,825,624 km (0.12 R)
• M34: 13,231,632 km (0.1 R)
• M35: 13,716,778 km (0.035 R)
• M36: 13,867,274 km (0.12 R)
• M37: 14,207,908 km (0.093 R)
• M38: 14,704,723 km (0.12 R)
• M39: 15,168,327 km (0.098 R)
• M40: 15,207,222 km (0.038 R)
• M41: 15,362,953 km (0.099 R)
• M42: 15,441,043 km (0.07 R)
• M43: 15,715,256 km (0.032 R)
• M44: 16,228,975 km (0.086 R)
• M45: 16,467,883 km (0.105 R)
• M46: 16,587,861 km (0.055 R)
• M47: 17,720,915 km (0.041 R)
• M48: 18,338,156 km (0.109 R)
• M49: 18,379,594 km (0.118 R)
• M50: 18,962,428 km (0.094 R)
• M51: 19,636,067 km (0.12 R)
• M52: 21,878,689 km (0.12 R)
• M53: 22,054,616 km (0.113 R)
• M54: 22,142,729 km (0.098 R)
• M55: 22,407,667 km (0.112 R)
• M56: 22,629,371 km (0.115 R)
• M57: 23,793,541 km (0.075 R)
• M58: 25,345,170 km (0.093 R)
• M59: 25,391,396 km (0.079 R)
• M60: 26,040,053 km (0.052 R)
• M61: 26,133,252 km (0.11 R)
• M62: 26,413,299 km (0.077 R)
• M63: 26,835,165 km (0.116 R)
• M64: 27,164,879 km (0.037 R)
• M65: 27,780,773 km (0.085 R)
• M66: 28,641,111 km (0.112 R)
• M67: 28,785,323 km (0.105 R)
• M68: 29,171,136 km (0.076 R)
• M69: 29,461,655 km (0.075 R)
• M70: 30,780,809 km (0.119 R)
• M71: 30,830,027 km (0.105 R)
• M72: 33,324,422 km (0.036 R)
• M73: 33,983,400 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618

Radius: 7.6

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 12.32 AU - 19.1 AU

Year: 23334 Days

Day: 23.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 81,481,917 km

• M1: 163,959 km (0.113 R)
• M2: 243,994 km (0.082 R)
• M3: 745,596 km (0.11 R)
• M4: 845,677 km (0.097 R)
• M5: 897,438 km (0.062 R)
• M6: 1,320,650 km (0.106 R)
• M7: 1,537,717 km (0.097 R)
• M8: 2,111,424 km (0.085 R)
• M9: 2,219,135 km (0.11 R)
• M10: 2,515,339 km (0.12 R)
• M11: 2,668,228 km (0.102 R)
• M12: 3,104,305 km (0.066 R)
• M13: 3,227,125 km (0.046 R)
• M14: 3,310,002 km (0.103 R)
• M15: 3,477,702 km (0.045 R)
• M16: 3,997,704 km (0.119 R)
• M17: 4,176,473 km (0.048 R)
• M18: 4,728,489 km (0.059 R)
• M19: 4,822,736 km (0.118 R)
• M20: 5,061,046 km (0.088 R)
• M21: 6,052,730 km (0.11 R)
• M22: 6,155,204 km (0.1 R)
• M23: 9,484,804 km (0.056 R)
• M24: 9,544,344 km (0.074 R)
• M25: 10,760,126 km (0.061 R)
• M26: 11,260,082 km (0.106 R)
• M27: 12,024,078 km (0.079 R)
• M28: 12,542,734 km (0.11 R)
• M29: 14,896,358 km (0.119 R)
• M30: 17,309,222 km (0.117 R)
• M31: 17,747,543 km (0.086 R)
• M32: 21,149,100 km (0.077 R)
• M33: 21,304,831 km (0.118 R)
• M34: 21,931,796 km (0.118 R)
• M35: 23,605,946 km (0.115 R)
• M36: 24,908,943 km (0.054 R)
• M37: 26,486,453 km (0.109 R)
• M38: 26,906,823 km (0.08 R)
• M39: 27,244,764 km (0.075 R)
• M40: 27,414,408 km (0.12 R)
• M41: 27,839,715 km (0.11 R)
• M42: 28,181,546 km (0.12 R)
• M43: 29,649,700 km (0.112 R)
• M44: 29,911,346 km (0.047 R)
• M45: 29,998,861 km (0.117 R)
• M46: 30,086,226 km (0.104 R)
• M47: 34,384,023 km (0.078 R)
• M48: 34,567,281 km (0.115 R)
• M49: 36,323,859 km (0.107 R)
• M50: 37,165,945 km (0.117 R)
• M51: 38,298,850 km (0.041 R)
• M52: 38,393,695 km (0.1 R)
• M53: 40,115,567 km (0.065 R)
• M54: 40,695,109 km (0.103 R)
• M55: 41,083,016 km (0.066 R)
• M56: 41,667,196 km (0.094 R)
• M57: 41,960,408 km (0.084 R)
• M58: 42,352,204 km (0.051 R)
• M59: 44,628,934 km (0.088 R)
• M60: 45,631,240 km (0.114 R)
• M61: 46,034,257 km (0.081 R)
• M62: 47,555,817 km (0.107 R)
• M63: 47,964,518 km (0.081 R)
• M64: 49,713,766 km (0.057 R)
• M65: 50,440,213 km (0.072 R)
• M66: 51,274,670 km (0.112 R)
• M67: 52,113,615 km (0.097 R)
• M68: 52,957,197 km (0.079 R)
• M69: 53,274,644 km (0.12 R)
• M70: 53,380,709 km (0.047 R)
• M71: 54,231,023 km (0.116 R)
• M72: 55,192,938 km (0.062 R)
• M73: 56,052,677 km (0.047 R)
• M74: 59,535,764 km (0.084 R)
• M75: 61,414,563 km (0.118 R)
• M76: 61,970,918 km (0.033 R)
• M77: 63,088,414 km (0.068 R)
• M78: 63,200,612 km (0.054 R)
• M79: 63,425,009 km (0.036 R)
• M80: 65,116,812 km (0.082 R)
• M81: 66,025,020 km (0.117 R)
• M82: 68,544,548 km (0.092 R)
• M83: 68,890,567 km (0.05 R)
• M84: 69,584,253 km (0.051 R)
• M85: 70,280,332 km (0.11 R)
• M86: 73,441,035 km (0.084 R)
• M87: 74,741,939 km (0.1 R)
• M88: 75,335,842 km (0.111 R)
• M89: 75,454,772 km (0.113 R)
• M90: 75,573,852 km (0.111 R)
• M91: 77,847,142 km (0.102 R)
• M92: 78,690,275 km (0.06 R)
• M93: 79,778,749 km (0.114 R)
• M94: 79,900,073 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 15,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit