🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.47 AU - 0.59 AU

Year: 145 Days

Day: 31 Hours

Environment

Temp: 171 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.5 AU - 0.7 AU

Year: 175 Days

Day: 26.4 Hours

Environment

Temp: 165 °C

Axial Tilt: 24.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.65 AU - 2.65 AU

Year: 1188 Days

Day: 32.6 Hours

Environment

Temp: -79 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.88 AU - 2.48 AU

Year: 1213 Days

Day: 18.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.09 AU - 2.83 AU

Year: 1454 Days

Day: 31.8 Hours

Environment

Temp: -101 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,263,857 km

• M1: 650,302 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.8

Radius: 8.4

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.34 AU - 7.14 AU

Year: 5181 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 59,263,857 km

• M1: 106,962 km (0.119 R)
• M2: 161,117 km (0.045 R)
• M3: 345,571 km (0.1 R)
• M4: 526,435 km (0.12 R)
• M5: 601,084 km (0.09 R)
• M6: 668,254 km (0.043 R)
• M7: 786,286 km (0.109 R)
• M8: 1,297,911 km (0.075 R)
• M9: 1,417,141 km (0.1 R)
• M10: 1,650,813 km (0.044 R)
• M11: 1,846,786 km (0.037 R)
• M12: 2,332,979 km (0.096 R)
• M13: 2,590,736 km (0.098 R)
• M14: 2,684,983 km (0.075 R)
• M15: 2,857,619 km (0.086 R)
• M16: 2,994,501 km (0.085 R)
• M17: 3,774,653 km (0.099 R)
• M18: 3,838,831 km (0.09 R)
• M19: 5,221,863 km (0.112 R)
• M20: 5,317,456 km (0.032 R)
• M21: 5,559,206 km (0.12 R)
• M22: 6,003,363 km (0.115 R)
• M23: 6,103,593 km (0.087 R)
• M24: 7,030,801 km (0.104 R)
• M25: 7,349,743 km (0.055 R)
• M26: 7,430,077 km (0.11 R)
• M27: 7,864,210 km (0.096 R)
• M28: 8,222,946 km (0.105 R)
• M29: 8,362,371 km (0.119 R)
• M30: 8,813,708 km (0.071 R)
• M31: 9,099,889 km (0.104 R)
• M32: 9,740,168 km (0.064 R)
• M33: 10,155,302 km (0.086 R)
• M34: 10,606,339 km (0.071 R)
• M35: 10,910,771 km (0.06 R)
• M36: 11,279,829 km (0.104 R)
• M37: 11,341,763 km (0.044 R)
• M38: 11,590,544 km (0.068 R)
• M39: 11,935,517 km (0.096 R)
• M40: 12,061,927 km (0.118 R)
• M41: 13,153,393 km (0.1 R)
• M42: 13,546,087 km (0.104 R)
• M43: 13,644,971 km (0.104 R)
• M44: 13,744,005 km (0.085 R)
• M45: 14,242,764 km (0.115 R)
• M46: 14,410,314 km (0.088 R)
• M47: 14,544,803 km (0.088 R)
• M48: 14,713,549 km (0.119 R)
• M49: 14,815,126 km (0.077 R)
• M50: 14,883,043 km (0.116 R)
• M51: 14,984,920 km (0.088 R)
• M52: 15,292,194 km (0.094 R)
• M53: 15,463,932 km (0.05 R)
• M54: 15,532,747 km (0.12 R)
• M55: 16,052,151 km (0.095 R)
• M56: 16,506,928 km (0.095 R)
• M57: 16,577,239 km (0.087 R)
• M58: 16,647,700 km (0.096 R)
• M59: 16,859,680 km (0.03 R)
• M60: 17,968,948 km (0.082 R)
• M61: 18,077,556 km (0.103 R)
• M62: 18,186,314 km (0.107 R)
• M63: 18,404,577 km (0.115 R)
• M64: 18,697,041 km (0.106 R)
• M65: 18,917,399 km (0.118 R)
• M66: 19,471,958 km (0.083 R)
• M67: 19,732,558 km (0.072 R)
• M68: 19,956,805 km (0.091 R)
• M69: 20,144,400 km (0.1 R)
• M70: 20,862,620 km (0.052 R)
• M71: 21,052,908 km (0.118 R)
• M72: 21,167,500 km (0.103 R)
• M73: 21,435,430 km (0.072 R)
• M74: 21,666,110 km (0.116 R)
• M75: 21,858,792 km (0.116 R)
• M76: 22,713,894 km (0.066 R)
• M77: 22,949,061 km (0.108 R)
• M78: 23,778,282 km (0.104 R)
• M79: 24,577,135 km (0.098 R)
• M80: 25,669,499 km (0.104 R)
• M81: 25,955,231 km (0.094 R)
• M82: 26,119,040 km (0.084 R)
• M83: 27,525,111 km (0.093 R)
• M84: 28,027,161 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.1

Radius: 4.9

Gravity: 30.16 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 17.28 AU - 17.62 AU

Year: 27461 Days

Day: 15.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 59,263,857 km

• M1: 94,695 km (0.113 R)
• M2: 292,015 km (0.099 R)
• M3: 608,714 km (0.075 R)
• M4: 714,629 km (0.088 R)
• M5: 1,720,525 km (0.087 R)
• M6: 1,833,172 km (0.06 R)
• M7: 2,145,533 km (0.108 R)
• M8: 2,266,857 km (0.097 R)
• M9: 2,516,535 km (0.068 R)
• M10: 2,559,021 km (0.083 R)
• M11: 2,687,825 km (0.068 R)
• M12: 2,774,891 km (0.074 R)
• M13: 3,086,952 km (0.066 R)
• M14: 3,224,133 km (0.106 R)
• M15: 3,363,409 km (0.041 R)
• M16: 3,647,645 km (0.115 R)
• M17: 3,989,177 km (0.12 R)
• M18: 4,913,243 km (0.091 R)
• M19: 4,966,500 km (0.088 R)
• M20: 5,127,317 km (0.117 R)
• M21: 5,399,286 km (0.053 R)
• M22: 6,886,888 km (0.062 R)
• M23: 7,126,394 km (0.053 R)
• M24: 9,335,506 km (0.116 R)
• M25: 9,935,243 km (0.085 R)
• M26: 10,753,993 km (0.063 R)
• M27: 10,962,083 km (0.052 R)
• M28: 11,031,796 km (0.107 R)
• M29: 12,166,196 km (0.087 R)
• M30: 12,238,303 km (0.076 R)
• M31: 12,310,558 km (0.035 R)
• M32: 12,747,235 km (0.119 R)
• M33: 13,114,946 km (0.066 R)
• M34: 13,486,098 km (0.098 R)
• M35: 14,011,486 km (0.069 R)
• M36: 14,238,725 km (0.055 R)
• M37: 15,315,232 km (0.108 R)
• M38: 15,549,352 km (0.117 R)
• M39: 15,942,196 km (0.063 R)
• M40: 16,817,643 km (0.066 R)
• M41: 16,897,977 km (0.093 R)
• M42: 17,301,742 km (0.096 R)
• M43: 18,615,061 km (0.106 R)
• M44: 19,283,614 km (0.089 R)
• M45: 20,558,188 km (0.102 R)
• M46: 20,902,712 km (0.101 R)
• M47: 23,726,521 km (0.077 R)
• M48: 26,573,818 km (0.098 R)
• M49: 26,949,009 km (0.041 R)
• M50: 27,042,957 km (0.104 R)
• M51: 27,231,450 km (0.113 R)
• M52: 29,333,150 km (0.118 R)
• M53: 30,012,774 km (0.048 R)
• M54: 30,501,360 km (0.1 R)
• M55: 31,982,978 km (0.092 R)
• M56: 39,199,130 km (0.033 R)
• M57: 42,329,166 km (0.069 R)
• M58: 42,438,522 km (0.086 R)
• M59: 42,657,534 km (0.108 R)
• M60: 43,537,319 km (0.119 R)
• M61: 43,647,722 km (0.074 R)
• M62: 45,762,886 km (0.103 R)
• M63: 46,212,428 km (0.05 R)
• M64: 46,437,722 km (0.093 R)
• M65: 47,797,268 km (0.112 R)
• M66: 48,025,105 km (0.116 R)
• M67: 49,514,950 km (0.053 R)
• M68: 51,136,292 km (0.093 R)
• M69: 51,252,829 km (0.104 R)
• M70: 51,953,545 km (0.112 R)
• M71: 54,193,325 km (0.098 R)
• M72: 54,549,816 km (0.038 R)
• M73: 56,825,798 km (0.071 R)
• M74: 57,672,074 km (0.051 R)
• M75: 58,036,195 km (0.038 R)
• M76: 59,622,231 km (0.081 R)
• M77: 60,482,120 km (0.056 R)
• M78: 61,346,197 km (0.071 R)
• M79: 65,347,641 km (0.087 R)
• M80: 67,379,928 km (0.079 R)
• M81: 70,466,880 km (0.103 R)
• M82: 74,126,044 km (0.111 R)
• M83: 74,257,989 km (0.12 R)
• M84: 74,389,785 km (0.12 R)
• M85: 75,845,971 km (0.049 R)
• M86: 77,846,693 km (0.091 R)
• M87: 78,651,829 km (0.098 R)
• M88: 79,729,532 km (0.076 R)
• M89: 79,864,618 km (0.065 R)
• M90: 82,308,898 km (0.104 R)
• M91: 83,540,238 km (0.09 R)
• M92: 87,549,012 km (0.09 R)
• M93: 88,665,910 km (0.115 R)
• M94: 94,463,276 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.9

Radius: 6.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 17.12 AU - 18.04 AU

Year: 27769 Days

Day: 20.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 59,263,857 km

• M1: 228,735 km (0.113 R)
• M2: 348,413 km (0.093 R)
• M3: 424,559 km (0.115 R)
• M4: 787,483 km (0.081 R)
• M5: 1,277,117 km (0.076 R)
• M6: 2,669,873 km (0.115 R)
• M7: 3,252,407 km (0.105 R)
• M8: 4,016,104 km (0.116 R)
• M9: 4,124,413 km (0.117 R)
• M10: 5,025,591 km (0.055 R)
• M11: 8,250,323 km (0.113 R)
• M12: 9,042,294 km (0.103 R)
• M13: 9,471,340 km (0.073 R)
• M14: 10,250,596 km (0.092 R)
• M15: 12,602,873 km (0.102 R)
• M16: 13,621,185 km (0.053 R)
• M17: 15,735,452 km (0.106 R)
• M18: 16,308,711 km (0.096 R)
• M19: 16,482,095 km (0.072 R)
• M20: 17,593,757 km (0.088 R)
• M21: 19,704,284 km (0.066 R)
• M22: 21,766,191 km (0.115 R)
• M23: 23,113,619 km (0.038 R)
• M24: 23,961,091 km (0.071 R)
• M25: 24,289,907 km (0.087 R)
• M26: 25,284,883 km (0.101 R)
• M27: 27,589,288 km (0.11 R)
• M28: 28,141,155 km (0.1 R)
• M29: 28,279,682 km (0.114 R)
• M30: 29,396,281 km (0.025 R)
• M31: 30,243,005 km (0.031 R)
• M32: 32,540,080 km (0.067 R)
• M33: 33,196,216 km (0.056 R)
• M34: 34,967,156 km (0.077 R)
• M35: 35,789,047 km (0.076 R)
• M36: 36,014,341 km (0.118 R)
• M37: 36,466,276 km (0.05 R)
• M38: 38,523,097 km (0.084 R)
• M39: 42,112,997 km (0.105 R)
• M40: 46,216,018 km (0.113 R)
• M41: 47,117,645 km (0.119 R)
• M42: 47,364,481 km (0.095 R)
• M43: 50,697,222 km (0.113 R)
• M44: 51,372,657 km (0.027 R)
• M45: 52,818,221 km (0.067 R)
• M46: 54,190,781 km (0.09 R)
• M47: 55,141,177 km (0.102 R)
• M48: 58,909,098 km (0.062 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 17,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit