🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.55 AU - 0.63 AU

Year: 166 Days

Day: 32.4 Hours

Environment

Temp: 238 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.05 AU - 1.11 AU

Year: 410 Days

Day: 34.7 Hours

Environment

Temp: 31 °C

Axial Tilt: 143.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1 AU - 1.46 AU

Year: 498 Days

Day: 38.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 17.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.18 AU - 1.42 AU

Year: 541 Days

Day: 14.2 Hours

Environment

Temp: -19 °C

Axial Tilt: 41.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.48 AU - 2.34 AU

Year: 964 Days

Day: 29 Hours

Environment

Temp: -70 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.4

Radius: 12.6

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.99 AU - 10.43 AU

Year: 11051 Days

Day: 8.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 67,736,078 km

• M1: 160,668 km (0.111 R)
• M2: 263,442 km (0.113 R)
• M3: 352,901 km (0.105 R)
• M4: 433,983 km (0.059 R)
• M5: 742,903 km (0.065 R)
• M6: 1,101,788 km (0.051 R)
• M7: 1,726,509 km (0.106 R)
• M8: 1,859,202 km (0.054 R)
• M9: 2,375,016 km (0.052 R)
• M10: 2,752,002 km (0.097 R)
• M11: 2,882,003 km (0.077 R)
• M12: 3,422,500 km (0.098 R)
• M13: 3,534,549 km (0.114 R)
• M14: 3,819,832 km (0.103 R)
• M15: 3,907,048 km (0.1 R)
• M16: 4,142,515 km (0.118 R)
• M17: 4,627,810 km (0.069 R)
• M18: 5,195,534 km (0.061 R)
• M19: 5,553,522 km (0.104 R)
• M20: 6,259,025 km (0.114 R)
• M21: 6,465,919 km (0.055 R)
• M22: 6,640,051 km (0.107 R)
• M23: 6,886,439 km (0.054 R)
• M24: 7,461,044 km (0.029 R)
• M25: 8,618,034 km (0.102 R)
• M26: 8,732,925 km (0.066 R)
• M27: 9,710,697 km (0.067 R)
• M28: 9,950,502 km (0.071 R)
• M29: 10,599,757 km (0.075 R)
• M30: 10,970,909 km (0.067 R)
• M31: 12,110,247 km (0.094 R)
• M32: 12,282,135 km (0.116 R)
• M33: 12,454,920 km (0.101 R)
• M34: 12,585,070 km (0.068 R)
• M35: 14,454,296 km (0.076 R)
• M36: 14,911,916 km (0.065 R)
• M37: 15,004,068 km (0.119 R)
• M38: 15,935,764 km (0.113 R)
• M39: 17,030,371 km (0.092 R)
• M40: 17,271,523 km (0.084 R)
• M41: 17,465,252 km (0.034 R)
• M42: 17,952,792 km (0.117 R)
• M43: 18,891,518 km (0.115 R)
• M44: 19,141,197 km (0.073 R)
• M45: 19,291,543 km (0.119 R)
• M46: 20,150,833 km (0.115 R)
• M47: 20,303,872 km (0.114 R)
• M48: 20,971,078 km (0.092 R)
• M49: 21,437,225 km (0.12 R)
• M50: 21,645,466 km (0.077 R)
• M51: 21,802,244 km (0.057 R)
• M52: 22,379,841 km (0.093 R)
• M53: 23,443,034 km (0.063 R)
• M54: 23,604,001 km (0.053 R)
• M55: 24,143,002 km (0.104 R)
• M56: 24,251,311 km (0.08 R)
• M57: 25,508,232 km (0.042 R)
• M58: 25,729,039 km (0.064 R)
• M59: 27,235,788 km (0.104 R)
• M60: 27,348,436 km (0.059 R)
• M61: 27,687,724 km (0.054 R)
• M62: 28,541,778 km (0.086 R)
• M63: 29,289,019 km (0.086 R)
• M64: 30,275,767 km (0.083 R)
• M65: 30,685,216 km (0.081 R)
• M66: 30,978,877 km (0.074 R)
• M67: 31,214,493 km (0.026 R)
• M68: 31,984,324 km (0.034 R)
• M69: 33,301,234 km (0.111 R)
• M70: 34,574,761 km (0.042 R)
• M71: 35,432,555 km (0.105 R)
• M72: 35,864,145 km (0.026 R)
• M73: 36,608,095 km (0.114 R)
• M74: 37,294,450 km (0.076 R)
• M75: 37,607,858 km (0.091 R)
• M76: 37,984,994 km (0.074 R)
• M77: 38,237,216 km (0.07 R)
• M78: 39,060,752 km (0.116 R)
• M79: 40,467,570 km (0.029 R)
• M80: 40,596,225 km (0.082 R)
• M81: 41,177,263 km (0.098 R)
• M82: 42,216,818 km (0.114 R)
• M83: 43,396,547 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.9

Radius: 6.1

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 13.73 AU - 14.55 AU

Year: 19421 Days

Day: 17.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 67,736,078 km

• M1: 116,088 km (0.114 R)
• M2: 255,663 km (0.051 R)
• M3: 468,989 km (0.093 R)
• M4: 564,582 km (0.117 R)
• M5: 753,375 km (0.098 R)
• M6: 1,514,678 km (0.081 R)
• M7: 3,294,744 km (0.076 R)
• M8: 4,065,472 km (0.098 R)
• M9: 5,017,363 km (0.111 R)
• M10: 5,276,766 km (0.066 R)
• M11: 5,540,357 km (0.074 R)
• M12: 5,584,788 km (0.027 R)
• M13: 5,673,798 km (0.091 R)
• M14: 5,853,465 km (0.101 R)
• M15: 6,034,928 km (0.081 R)
• M16: 6,403,537 km (0.113 R)
• M17: 6,590,534 km (0.075 R)
• M18: 6,826,749 km (0.118 R)
• M19: 7,210,617 km (0.063 R)
• M20: 7,949,332 km (0.093 R)
• M21: 8,099,827 km (0.06 R)
• M22: 8,608,759 km (0.116 R)
• M23: 9,075,504 km (0.095 R)
• M24: 9,817,809 km (0.049 R)
• M25: 10,250,745 km (0.03 R)
• M26: 10,414,705 km (0.086 R)
• M27: 11,135,318 km (0.104 R)
• M28: 11,247,516 km (0.067 R)
• M29: 11,473,259 km (0.104 R)
• M30: 12,976,269 km (0.109 R)
• M31: 13,630,760 km (0.11 R)
• M32: 14,356,758 km (0.093 R)
• M33: 14,540,165 km (0.099 R)
• M34: 17,384,170 km (0.078 R)
• M35: 17,579,695 km (0.114 R)
• M36: 17,907,314 km (0.091 R)
• M37: 18,038,960 km (0.059 R)
• M38: 18,104,783 km (0.026 R)
• M39: 19,036,030 km (0.025 R)
• M40: 19,103,199 km (0.114 R)
• M41: 19,439,944 km (0.109 R)
• M42: 20,324,666 km (0.093 R)
• M43: 20,944,899 km (0.117 R)
• M44: 21,501,403 km (0.118 R)
• M45: 24,283,175 km (0.085 R)
• M46: 24,428,734 km (0.049 R)
• M47: 25,604,723 km (0.093 R)
• M48: 25,827,175 km (0.12 R)
• M49: 26,274,173 km (0.114 R)
• M50: 26,348,972 km (0.029 R)
• M51: 26,798,813 km (0.08 R)
• M52: 26,874,061 km (0.093 R)
• M53: 27,478,586 km (0.045 R)
• M54: 27,706,423 km (0.101 R)
• M55: 28,163,894 km (0.058 R)
• M56: 28,700,950 km (0.098 R)
• M57: 30,331,866 km (0.108 R)
• M58: 32,232,507 km (0.106 R)
• M59: 35,319,608 km (0.053 R)
• M60: 36,230,660 km (0.057 R)
• M61: 36,647,290 km (0.078 R)
• M62: 38,584,432 km (0.091 R)
• M63: 38,669,404 km (0.079 R)
• M64: 40,123,645 km (0.078 R)
• M65: 40,987,273 km (0.116 R)
• M66: 42,908,858 km (0.074 R)
• M67: 43,349,723 km (0.105 R)
• M68: 43,880,646 km (0.119 R)
• M69: 44,058,218 km (0.062 R)
• M70: 46,116,087 km (0.081 R)
• M71: 46,296,502 km (0.041 R)
• M72: 48,022,412 km (0.11 R)
• M73: 48,480,032 km (0.11 R)
• M74: 49,123,154 km (0.099 R)
• M75: 50,603,724 km (0.117 R)
• M76: 50,696,774 km (0.11 R)
• M77: 51,911,209 km (0.113 R)
• M78: 52,475,043 km (0.093 R)
• M79: 55,036,907 km (0.073 R)
• M80: 55,420,027 km (0.1 R)
• M81: 56,477,834 km (0.115 R)
• M82: 57,542,223 km (0.058 R)
• M83: 57,931,027 km (0.119 R)
• M84: 59,298,352 km (0.116 R)
• M85: 59,887,618 km (0.117 R)
• M86: 60,281,659 km (0.041 R)
• M87: 63,063,132 km (0.039 R)
• M88: 63,865,425 km (0.113 R)
• M89: 64,772,138 km (0.118 R)
• M90: 64,974,245 km (0.117 R)
• M91: 65,379,057 km (0.119 R)
• M92: 66,394,677 km (0.073 R)
• M93: 66,802,331 km (0.115 R)
• M94: 67,927,756 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.9

Radius: 6.4

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 12.87 AU - 18.83 AU

Year: 23048 Days

Day: 21.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 67,736,078 km

• M1: 111,002 km (0.115 R)
• M2: 168,597 km (0.071 R)
• M3: 448,794 km (0.045 R)
• M4: 522,545 km (0.044 R)
• M5: 600,635 km (0.077 R)
• M6: 768,933 km (0.048 R)
• M7: 2,381,598 km (0.092 R)
• M8: 2,581,610 km (0.09 R)
• M9: 2,683,786 km (0.077 R)
• M10: 2,927,182 km (0.096 R)
• M11: 3,177,908 km (0.053 R)
• M12: 3,324,214 km (0.086 R)
• M13: 3,623,709 km (0.106 R)
• M14: 3,699,855 km (0.112 R)
• M15: 4,049,465 km (0.045 R)
• M16: 4,450,237 km (0.119 R)
• M17: 5,995,284 km (0.03 R)
• M18: 6,451,408 km (0.09 R)
• M19: 6,777,382 km (0.091 R)
• M20: 7,348,547 km (0.093 R)
• M21: 7,787,018 km (0.084 R)
• M22: 7,885,603 km (0.12 R)
• M23: 8,587,516 km (0.052 R)
• M24: 8,638,379 km (0.075 R)
• M25: 8,791,568 km (0.103 R)
• M26: 8,842,880 km (0.085 R)
• M27: 10,700,137 km (0.084 R)
• M28: 10,809,793 km (0.039 R)
• M29: 11,085,651 km (0.097 R)
• M30: 11,531,901 km (0.064 R)
• M31: 13,374,498 km (0.092 R)
• M32: 13,789,633 km (0.076 R)
• M33: 14,389,969 km (0.086 R)
• M34: 14,693,353 km (0.029 R)
• M35: 15,306,555 km (0.041 R)
• M36: 16,367,952 km (0.051 R)
• M37: 16,875,537 km (0.042 R)
• M38: 17,324,032 km (0.097 R)
• M39: 18,232,689 km (0.109 R)
• M40: 18,957,341 km (0.07 R)
• M41: 19,023,763 km (0.036 R)
• M42: 19,691,568 km (0.033 R)
• M43: 19,826,056 km (0.096 R)
• M44: 20,639,270 km (0.061 R)
• M45: 21,394,440 km (0.117 R)
• M46: 21,740,610 km (0.098 R)
• M47: 23,002,169 km (0.086 R)
• M48: 23,356,865 km (0.067 R)
• M49: 23,928,030 km (0.051 R)
• M50: 24,793,454 km (0.104 R)
• M51: 25,449,291 km (0.111 R)
• M52: 27,300,564 km (0.087 R)
• M53: 27,375,513 km (0.104 R)
• M54: 28,280,281 km (0.034 R)
• M55: 29,578,790 km (0.087 R)
• M56: 30,896,747 km (0.088 R)
• M57: 31,131,317 km (0.1 R)
• M58: 31,366,335 km (0.106 R)
• M59: 32,949,081 km (0.092 R)
• M60: 33,108,702 km (0.077 R)
• M61: 33,991,628 km (0.037 R)
• M62: 34,638,489 km (0.066 R)
• M63: 35,044,947 km (0.045 R)
• M64: 35,126,478 km (0.067 R)
• M65: 35,371,220 km (0.07 R)
• M66: 35,534,730 km (0.098 R)
• M67: 37,433,127 km (0.045 R)
• M68: 38,185,006 km (0.086 R)
• M69: 38,604,778 km (0.076 R)
• M70: 40,128,731 km (0.101 R)
• M71: 40,898,113 km (0.083 R)
• M72: 41,241,590 km (0.082 R)
• M73: 41,931,386 km (0.109 R)
• M74: 42,364,471 km (0.115 R)
• M75: 43,760,369 km (0.112 R)
• M76: 44,817,128 km (0.117 R)
• M77: 46,149,896 km (0.037 R)
• M78: 46,507,435 km (0.072 R)
• M79: 46,955,780 km (0.071 R)
• M80: 47,766,301 km (0.084 R)
• M81: 49,583,915 km (0.104 R)
• M82: 50,041,834 km (0.101 R)
• M83: 50,133,687 km (0.076 R)
• M84: 54,037,743 km (0.095 R)
• M85: 54,603,372 km (0.118 R)
• M86: 54,981,556 km (0.073 R)
• M87: 56,598,709 km (0.106 R)
• M88: 56,981,380 km (0.112 R)
• M89: 58,134,780 km (0.074 R)
• M90: 58,520,892 km (0.03 R)
• M91: 59,392,898 km (0.104 R)
• M92: 63,717,623 km (0.087 R)
• M93: 64,115,703 km (0.108 R)
• M94: 64,414,898 km (0.107 R)
• M95: 65,515,789 km (0.062 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 20,159 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit