🌌 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: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.69 AU - 0.83 AU

Year: 244 Days

Day: 26.3 Hours

Environment

Temp: 161 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 104,035,575 km

• M1: 146,157 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.86 AU - 0.88 AU

Year: 299 Days

Day: 39.8 Hours

Environment

Temp: 157 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.36 AU - 1.82 AU

Year: 740 Days

Day: 34.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.01 AU - 3.23 AU

Year: 1565 Days

Day: 18.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.27 AU - 3.79 AU

Year: 2447 Days

Day: 19.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,035,575 km

• M1: 1,125,724 km (0.104 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.39 AU - 4.93 AU

Year: 3131 Days

Day: 43.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 41 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.6

Radius: 12.1

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.51 AU - 6.41 AU

Year: 4707 Days

Day: 12 Hours

Environment

Temp: -139 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 104,035,575 km

• M1: 300,542 km (0.036 R)
• M2: 553,363 km (0.093 R)
• M3: 629,807 km (0.099 R)
• M4: 1,107,772 km (0.029 R)
• M5: 1,451,099 km (0.1 R)
• M6: 1,742,965 km (0.083 R)
• M7: 1,827,637 km (0.107 R)
• M8: 1,922,333 km (0.085 R)
• M9: 2,152,863 km (0.098 R)
• M10: 2,612,128 km (0.075 R)
• M11: 2,690,069 km (0.118 R)
• M12: 2,888,286 km (0.076 R)
• M13: 3,040,278 km (0.084 R)
• M14: 3,215,905 km (0.041 R)
• M15: 3,373,582 km (0.107 R)
• M16: 3,773,756 km (0.096 R)
• M17: 4,258,004 km (0.054 R)
• M18: 4,361,825 km (0.099 R)
• M19: 4,572,160 km (0.104 R)
• M20: 4,666,706 km (0.113 R)
• M21: 4,821,839 km (0.099 R)
• M22: 5,161,875 km (0.076 R)
• M23: 5,955,192 km (0.104 R)
• M24: 6,241,373 km (0.088 R)
• M25: 6,320,061 km (0.03 R)
• M26: 6,719,188 km (0.099 R)
• M27: 7,222,884 km (0.104 R)
• M28: 7,430,526 km (0.112 R)
• M29: 7,908,491 km (0.043 R)
• M30: 8,469,184 km (0.114 R)
• M31: 8,629,703 km (0.115 R)
• M32: 8,850,210 km (0.085 R)
• M33: 9,057,702 km (0.075 R)
• M34: 9,147,162 km (0.079 R)
• M35: 9,341,938 km (0.106 R)
• M36: 9,417,186 km (0.066 R)
• M37: 9,735,530 km (0.052 R)
• M38: 10,617,559 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.8

Radius: 4.1

Gravity: 29.02 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 12.88 AU - 13.16 AU

Year: 17334 Days

Day: 22 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 104,035,575 km

• M1: 72,854 km (0.098 R)
• M2: 153,188 km (0.089 R)
• M3: 212,579 km (0.106 R)
• M4: 340,186 km (0.105 R)
• M5: 472,580 km (0.092 R)
• M6: 563,386 km (0.082 R)
• M7: 659,876 km (0.099 R)
• M8: 847,023 km (0.069 R)
• M9: 1,097,450 km (0.115 R)
• M10: 1,607,429 km (0.026 R)
• M11: 1,689,558 km (0.072 R)
• M12: 1,973,346 km (0.104 R)
• M13: 2,031,988 km (0.076 R)
• M14: 2,091,079 km (0.11 R)
• M15: 2,180,838 km (0.101 R)
• M16: 2,584,453 km (0.098 R)
• M17: 3,318,530 km (0.088 R)
• M18: 3,708,232 km (0.086 R)
• M19: 4,842,782 km (0.111 R)
• M20: 4,882,276 km (0.056 R)
• M21: 5,041,598 km (0.057 R)
• M22: 5,121,782 km (0.091 R)
• M23: 5,737,378 km (0.069 R)
• M24: 6,289,394 km (0.03 R)
• M25: 6,419,245 km (0.028 R)
• M26: 6,681,490 km (0.09 R)
• M27: 7,171,423 km (0.088 R)
• M28: 8,565,376 km (0.104 R)
• M29: 8,709,289 km (0.076 R)
• M30: 9,048,128 km (0.101 R)
• M31: 10,039,962 km (0.043 R)
• M32: 11,856,828 km (0.074 R)
• M33: 12,124,459 km (0.109 R)
• M34: 13,104,624 km (0.091 R)
• M35: 13,215,027 km (0.119 R)
• M36: 13,548,331 km (0.108 R)
• M37: 13,996,975 km (0.071 R)
• M38: 14,223,167 km (0.083 R)
• M39: 15,255,692 km (0.071 R)
• M40: 15,663,645 km (0.066 R)
• M41: 16,193,521 km (0.119 R)
• M42: 16,490,472 km (0.118 R)
• M43: 16,729,231 km (0.087 R)
• M44: 16,849,208 km (0.115 R)
• M45: 17,331,362 km (0.104 R)
• M46: 22,198,529 km (0.091 R)
• M47: 22,264,352 km (0.065 R)
• M48: 22,660,637 km (0.041 R)
• M49: 24,744,685 km (0.032 R)
• M50: 25,361,177 km (0.036 R)
• M51: 25,498,957 km (0.061 R)
• M52: 25,636,886 km (0.098 R)
• M53: 26,052,170 km (0.12 R)
• M54: 26,190,997 km (0.054 R)
• M55: 26,469,548 km (0.063 R)
• M56: 27,381,796 km (0.116 R)
• M57: 27,806,205 km (0.084 R)
• M58: 28,805,070 km (0.056 R)
• M59: 28,948,684 km (0.067 R)
• M60: 29,960,863 km (0.038 R)
• M61: 30,106,422 km (0.048 R)
• M62: 30,252,280 km (0.087 R)
• M63: 30,691,050 km (0.098 R)
• M64: 32,392,277 km (0.057 R)
• M65: 32,541,726 km (0.11 R)
• M66: 33,291,959 km (0.117 R)
• M67: 35,346,237 km (0.108 R)
• M68: 38,306,031 km (0.058 R)
• M69: 38,464,006 km (0.1 R)
• M70: 38,701,418 km (0.044 R)
• M71: 39,257,174 km (0.071 R)
• M72: 41,020,933 km (0.104 R)
• M73: 41,344,364 km (0.101 R)
• M74: 41,993,768 km (0.115 R)
• M75: 43,714,443 km (0.088 R)
• M76: 44,791,248 km (0.117 R)
• M77: 45,541,781 km (0.078 R)
• M78: 46,886,217 km (0.065 R)
• M79: 48,585,050 km (0.055 R)
• M80: 49,700,153 km (0.083 R)
• M81: 50,736,866 km (0.053 R)
• M82: 51,606,329 km (0.105 R)
• M83: 52,042,855 km (0.077 R)
• M84: 53,095,426 km (0.096 R)
• M85: 54,865,468 km (0.111 R)
• M86: 56,654,808 km (0.104 R)
• M87: 56,834,774 km (0.066 R)
• M88: 57,647,091 km (0.065 R)
• M89: 57,828,104 km (0.101 R)
• M90: 58,645,058 km (0.107 R)
• M91: 59,100,584 km (0.091 R)
• M92: 59,283,093 km (0.084 R)
• M93: 59,465,752 km (0.099 R)
• M94: 59,557,156 km (0.096 R)
• M95: 59,740,264 km (0.049 R)
• M96: 61,118,659 km (0.115 R)
• M97: 61,488,016 km (0.066 R)
• M98: 61,765,520 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.1

Radius: 3.5

Gravity: 55.36 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 16.29 AU - 23.01 AU

Year: 32138 Days

Day: 16.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 104,035,575 km

• M1: 180,265 km (0.113 R)
• M2: 274,063 km (0.111 R)
• M3: 359,932 km (0.066 R)
• M4: 638,783 km (0.112 R)
• M5: 875,447 km (0.032 R)
• M6: 1,103,135 km (0.096 R)
• M7: 1,276,668 km (0.042 R)
• M8: 1,421,629 km (0.066 R)
• M9: 1,806,843 km (0.03 R)
• M10: 2,485,419 km (0.081 R)
• M11: 2,666,283 km (0.096 R)
• M12: 2,804,661 km (0.081 R)
• M13: 3,632,386 km (0.11 R)
• M14: 4,098,982 km (0.084 R)
• M15: 4,366,463 km (0.053 R)
• M16: 5,259,113 km (0.056 R)
• M17: 5,844,938 km (0.093 R)
• M18: 6,512,743 km (0.113 R)
• M19: 6,761,525 km (0.12 R)
• M20: 7,076,877 km (0.115 R)
• M21: 7,591,344 km (0.091 R)
• M22: 8,385,559 km (0.105 R)
• M23: 9,344,930 km (0.098 R)
• M24: 11,142,199 km (0.072 R)
• M25: 11,216,400 km (0.068 R)
• M26: 11,290,600 km (0.094 R)
• M27: 12,964,600 km (0.05 R)
• M28: 15,040,420 km (0.09 R)
• M29: 15,122,250 km (0.085 R)
• M30: 18,253,783 km (0.113 R)
• M31: 18,691,955 km (0.053 R)
• M32: 19,044,856 km (0.105 R)
• M33: 19,578,472 km (0.104 R)
• M34: 21,392,047 km (0.09 R)
• M35: 21,668,803 km (0.111 R)
• M36: 23,924,290 km (0.091 R)
• M37: 24,789,115 km (0.07 R)
• M38: 25,273,962 km (0.116 R)
• M39: 26,450,400 km (0.071 R)
• M40: 30,188,252 km (0.045 R)
• M41: 30,394,996 km (0.102 R)
• M42: 32,381,955 km (0.116 R)
• M43: 32,593,636 km (0.106 R)
• M44: 35,603,695 km (0.089 R)
• M45: 37,474,117 km (0.081 R)
• M46: 37,807,421 km (0.116 R)
• M47: 38,030,172 km (0.092 R)
• M48: 41,080,323 km (0.119 R)
• M49: 41,883,813 km (0.117 R)
• M50: 42,576,601 km (0.104 R)
• M51: 43,856,710 km (0.119 R)
• M52: 44,090,831 km (0.104 R)
• M53: 46,216,168 km (0.093 R)
• M54: 47,171,500 km (0.092 R)
• M55: 47,411,305 km (0.045 R)
• M56: 47,651,559 km (0.08 R)
• M57: 48,012,689 km (0.118 R)
• M58: 50,320,685 km (0.1 R)
• M59: 51,920,634 km (0.12 R)
• M60: 52,416,252 km (0.081 R)
• M61: 53,162,745 km (0.099 R)
• M62: 62,652,187 km (0.034 R)
• M63: 63,179,818 km (0.107 R)
• M64: 64,904,682 km (0.104 R)
• M65: 68,129,413 km (0.109 R)
• M66: 69,488,361 km (0.094 R)
• M67: 70,308,007 km (0.092 R)
• M68: 72,233,033 km (0.101 R)
• M69: 74,454,112 km (0.054 R)
• M70: 77,261,915 km (0.078 R)
• M71: 78,678,756 km (0.102 R)
• M72: 79,105,559 km (0.08 R)
• M73: 79,818,393 km (0.096 R)
• M74: 81,825,847 km (0.063 R)
• M75: 82,691,270 km (0.03 R)
• M76: 84,868,069 km (0.11 R)
• M77: 90,317,470 km (0.095 R)
• M78: 90,764,170 km (0.116 R)
• M79: 91,510,513 km (0.079 R)
• M80: 96,334,446 km (0.076 R)
• M81: 96,486,587 km (0.119 R)
• M82: 100,160,412 km (0.069 R)
• M83: 102,634,910 km (0.104 R)
• M84: 102,790,193 km (0.1 R)
• M85: 102,945,625 km (0.102 R)
• M86: 103,101,057 km (0.053 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: 192 - 16,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit