🌌 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: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.52 AU - 0.56 AU

Year: 151 Days

Day: 38.9 Hours

Environment

Temp: 173 °C

Axial Tilt: 48.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.58 AU - 0.66 AU

Year: 186 Days

Day: 46.7 Hours

Environment

Temp: 152 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.91 AU - 1.07 AU

Year: 375 Days

Day: 18.1 Hours

Environment

Temp: -0 °C

Axial Tilt: 35.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.09 AU - 1.13 AU

Year: 445 Days

Day: 35.8 Hours

Environment

Temp: -1 °C

Axial Tilt: 47.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.13 AU - 1.21 AU

Year: 482 Days

Day: 12.7 Hours

Environment

Temp: -7 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,532,020 km

• M1: 697,276 km (0.119 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.21 AU - 1.97 AU

Year: 763 Days

Day: 28.6 Hours

Environment

Temp: -63 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.26 AU - 4.48 AU

Year: 2899 Days

Day: 32.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,532,020 km

• M1: 2,016,729 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.3

Radius: 11.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.46 AU - 10.32 AU

Year: 9254 Days

Day: 14.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 69,532,020 km

• M1: 158,873 km (0.105 R)
• M2: 303,085 km (0.093 R)
• M3: 386,112 km (0.071 R)
• M4: 595,848 km (0.114 R)
• M5: 775,815 km (0.102 R)
• M6: 1,050,177 km (0.068 R)
• M7: 1,581,100 km (0.106 R)
• M8: 1,762,861 km (0.054 R)
• M9: 2,127,880 km (0.096 R)
• M10: 2,207,765 km (0.095 R)
• M11: 2,329,538 km (0.12 R)
• M12: 2,622,750 km (0.111 R)
• M13: 2,817,676 km (0.057 R)
• M14: 2,972,510 km (0.109 R)
• M15: 3,740,844 km (0.084 R)
• M16: 4,542,390 km (0.082 R)
• M17: 4,803,737 km (0.085 R)
• M18: 4,936,281 km (0.108 R)
• M19: 5,016,465 km (0.098 R)
• M20: 5,150,954 km (0.1 R)
• M21: 5,368,619 km (0.068 R)
• M22: 5,506,249 km (0.115 R)
• M23: 5,672,901 km (0.079 R)
• M24: 6,097,160 km (0.114 R)
• M25: 6,443,928 km (0.089 R)
• M26: 6,678,797 km (0.08 R)
• M27: 6,826,899 km (0.095 R)
• M28: 7,156,912 km (0.08 R)
• M29: 7,278,086 km (0.092 R)
• M30: 7,461,343 km (0.095 R)
• M31: 7,801,230 km (0.103 R)
• M32: 7,988,676 km (0.12 R)
• M33: 8,592,453 km (0.101 R)
• M34: 9,277,013 km (0.074 R)
• M35: 9,877,648 km (0.112 R)
• M36: 10,422,184 km (0.101 R)
• M37: 10,767,456 km (0.099 R)
• M38: 10,941,439 km (0.073 R)
• M39: 11,611,488 km (0.039 R)
• M40: 12,186,093 km (0.092 R)
• M41: 12,513,413 km (0.08 R)
• M42: 12,623,068 km (0.064 R)
• M43: 12,880,377 km (0.107 R)
• M44: 13,176,580 km (0.115 R)
• M45: 15,273,344 km (0.063 R)
• M46: 15,469,168 km (0.092 R)
• M47: 15,626,395 km (0.09 R)
• M48: 15,705,084 km (0.103 R)
• M49: 15,981,989 km (0.105 R)
• M50: 16,460,254 km (0.06 R)
• M51: 16,580,680 km (0.046 R)
• M52: 16,862,522 km (0.098 R)
• M53: 17,064,779 km (0.108 R)
• M54: 17,146,010 km (0.109 R)
• M55: 19,132,221 km (0.109 R)
• M56: 20,842,275 km (0.086 R)
• M57: 21,364,820 km (0.03 R)
• M58: 21,539,999 km (0.106 R)
• M59: 21,847,722 km (0.112 R)
• M60: 22,112,510 km (0.074 R)
• M61: 22,422,926 km (0.1 R)
• M62: 23,633,472 km (0.105 R)
• M63: 24,360,966 km (0.051 R)
• M64: 24,452,370 km (0.095 R)
• M65: 25,558,647 km (0.062 R)
• M66: 26,775,476 km (0.09 R)
• M67: 27,390,921 km (0.108 R)
• M68: 27,819,818 km (0.044 R)
• M69: 27,915,411 km (0.104 R)
• M70: 28,106,897 km (0.09 R)
• M71: 28,732,515 km (0.074 R)
• M72: 28,877,475 km (0.078 R)
• M73: 29,411,241 km (0.104 R)
• M74: 29,850,310 km (0.032 R)
• M75: 30,390,059 km (0.107 R)
• M76: 30,537,713 km (0.113 R)
• M77: 30,636,447 km (0.116 R)
• M78: 30,833,916 km (0.07 R)
• M79: 31,478,982 km (0.102 R)
• M80: 32,128,536 km (0.094 R)
• M81: 32,429,826 km (0.086 R)
• M82: 34,154,690 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.4

Radius: 3.1

Gravity: 100.77 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 11.04 AU - 15.72 AU

Year: 18637 Days

Day: 18.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 69,532,020 km

• M1: 145,559 km (0.071 R)
• M2: 235,168 km (0.093 R)
• M3: 268,827 km (0.062 R)
• M4: 379,979 km (0.086 R)
• M5: 841,937 km (0.107 R)
• M6: 1,004,251 km (0.075 R)
• M7: 2,164,382 km (0.109 R)
• M8: 2,200,734 km (0.053 R)
• M9: 2,385,488 km (0.059 R)
• M10: 2,575,178 km (0.103 R)
• M11: 2,809,298 km (0.097 R)
• M12: 3,214,260 km (0.042 R)
• M13: 3,466,033 km (0.081 R)
• M14: 3,594,388 km (0.11 R)
• M15: 3,943,998 km (0.101 R)
• M16: 4,258,603 km (0.051 R)
• M17: 4,350,156 km (0.091 R)
• M18: 4,581,435 km (0.054 R)
• M19: 4,769,479 km (0.084 R)
• M20: 4,959,917 km (0.077 R)
• M21: 6,051,234 km (0.112 R)
• M22: 6,729,660 km (0.103 R)
• M23: 7,267,614 km (0.101 R)
• M24: 8,845,872 km (0.076 R)
• M25: 8,962,408 km (0.084 R)
• M26: 9,079,693 km (0.119 R)
• M27: 9,197,277 km (0.114 R)
• M28: 10,278,870 km (0.067 R)
• M29: 10,710,160 km (0.105 R)
• M30: 11,590,544 km (0.114 R)
• M31: 12,298,291 km (0.085 R)
• M32: 12,624,714 km (0.12 R)
• M33: 14,094,064 km (0.102 R)
• M34: 15,265,864 km (0.092 R)
• M35: 15,475,900 km (0.106 R)
• M36: 15,616,522 km (0.062 R)
• M37: 16,254,257 km (0.051 R)
• M38: 17,408,704 km (0.069 R)
• M39: 17,701,467 km (0.106 R)
• M40: 20,872,045 km (0.102 R)
• M41: 21,027,178 km (0.106 R)
• M42: 21,573,808 km (0.112 R)
• M43: 25,444,803 km (0.077 R)
• M44: 25,610,557 km (0.109 R)
• M45: 26,026,888 km (0.11 R)
• M46: 27,373,867 km (0.071 R)
• M47: 28,916,072 km (0.118 R)
• M48: 29,959,816 km (0.103 R)
• M49: 30,310,324 km (0.114 R)
• M50: 31,104,240 km (0.088 R)
• M51: 31,815,727 km (0.082 R)
• M52: 32,083,807 km (0.115 R)
• M53: 32,352,784 km (0.111 R)
• M54: 33,073,546 km (0.11 R)
• M55: 33,890,650 km (0.111 R)
• M56: 35,452,152 km (0.052 R)
• M57: 36,381,604 km (0.094 R)
• M58: 36,662,100 km (0.107 R)
• M59: 38,074,752 km (0.112 R)
• M60: 39,889,674 km (0.099 R)
• M61: 40,371,977 km (0.049 R)
• M62: 40,468,618 km (0.094 R)
• M63: 40,565,407 km (0.107 R)
• M64: 40,759,137 km (0.105 R)
• M65: 40,856,076 km (0.112 R)
• M66: 43,503,809 km (0.112 R)
• M67: 45,601,021 km (0.068 R)
• M68: 46,509,978 km (0.093 R)
• M69: 46,611,256 km (0.081 R)
• M70: 47,424,769 km (0.111 R)
• M71: 48,448,168 km (0.111 R)
• M72: 49,065,708 km (0.066 R)
• M73: 49,168,931 km (0.037 R)
• M74: 50,100,776 km (0.119 R)
• M75: 52,297,770 km (0.109 R)
• M76: 55,490,189 km (0.106 R)
• M77: 55,920,582 km (0.108 R)
• M78: 61,504,472 km (0.085 R)
• M79: 63,517,311 km (0.052 R)
• M80: 66,006,470 km (0.075 R)
• M81: 66,462,444 km (0.105 R)
• M82: 66,690,880 km (0.088 R)
• M83: 68,296,813 km (0.106 R)
• M84: 70,962,947 km (0.111 R)
• M85: 72,719,824 km (0.101 R)
• M86: 73,780,922 km (0.063 R)
• M87: 74,846,956 km (0.116 R)
• M88: 75,322,528 km (0.092 R)
• M89: 75,798,997 km (0.086 R)
• M90: 76,396,042 km (0.063 R)
• M91: 77,955,450 km (0.101 R)
• M92: 78,558,031 km (0.084 R)
• M93: 79,283,281 km (0.069 R)
• M94: 79,525,480 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.2

Radius: 7.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 16.3 AU - 19.8 AU

Year: 29202 Days

Day: 15.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 69,532,020 km

• M1: 277,654 km (0.06 R)
• M2: 353,949 km (0.09 R)
• M3: 403,765 km (0.047 R)
• M4: 493,224 km (0.104 R)
• M5: 570,117 km (0.119 R)
• M6: 693,386 km (0.029 R)
• M7: 895,493 km (0.079 R)
• M8: 1,273,078 km (0.059 R)
• M9: 2,128,927 km (0.076 R)
• M10: 2,226,016 km (0.106 R)
• M11: 2,357,662 km (0.069 R)
• M12: 2,629,033 km (0.118 R)
• M13: 2,698,446 km (0.047 R)
• M14: 3,164,444 km (0.092 R)
• M15: 3,350,394 km (0.085 R)
• M16: 3,463,640 km (0.061 R)
• M17: 3,578,231 km (0.112 R)
• M18: 3,655,424 km (0.045 R)
• M19: 4,210,582 km (0.078 R)
• M20: 4,292,113 km (0.098 R)
• M21: 5,487,100 km (0.07 R)
• M22: 6,446,621 km (0.099 R)
• M23: 6,921,594 km (0.062 R)
• M24: 7,066,255 km (0.067 R)
• M25: 7,260,882 km (0.077 R)
• M26: 7,555,889 km (0.111 R)
• M27: 7,804,820 km (0.095 R)
• M28: 8,056,444 km (0.093 R)
• M29: 8,310,910 km (0.073 R)
• M30: 8,775,261 km (0.102 R)
• M31: 8,984,399 km (0.074 R)
• M32: 9,089,567 km (0.064 R)
• M33: 12,313,251 km (0.038 R)
• M34: 12,371,594 km (0.117 R)
• M35: 13,861,589 km (0.075 R)
• M36: 16,168,837 km (0.113 R)
• M37: 16,296,893 km (0.098 R)
• M38: 16,425,248 km (0.105 R)
• M39: 16,877,333 km (0.075 R)
• M40: 16,942,258 km (0.117 R)
• M41: 17,268,082 km (0.042 R)
• M42: 17,530,327 km (0.068 R)
• M43: 17,859,891 km (0.1 R)
• M44: 18,525,153 km (0.066 R)
• M45: 18,659,193 km (0.081 R)
• M46: 18,860,851 km (0.037 R)
• M47: 18,928,170 km (0.108 R)
• M48: 19,811,396 km (0.086 R)
• M49: 20,017,242 km (0.095 R)
• M50: 20,085,908 km (0.106 R)
• M51: 20,847,211 km (0.114 R)
• M52: 22,255,376 km (0.051 R)
• M53: 23,476,244 km (0.097 R)
• M54: 23,694,059 km (0.065 R)
• M55: 24,058,330 km (0.101 R)
• M56: 24,792,556 km (0.103 R)
• M57: 25,907,808 km (0.065 R)
• M58: 29,663,014 km (0.094 R)
• M59: 30,371,061 km (0.115 R)
• M60: 30,687,460 km (0.087 R)
• M61: 31,005,056 km (0.102 R)
• M62: 31,643,390 km (0.113 R)
• M63: 33,014,455 km (0.069 R)
• M64: 33,421,361 km (0.102 R)
• M65: 35,563,902 km (0.08 R)
• M66: 36,148,231 km (0.112 R)
• M67: 36,567,554 km (0.116 R)
• M68: 37,241,941 km (0.087 R)
• M69: 37,750,424 km (0.118 R)
• M70: 40,240,182 km (0.09 R)
• M71: 43,315,016 km (0.105 R)
• M72: 43,582,048 km (0.054 R)
• M73: 43,671,209 km (0.086 R)
• M74: 45,828,859 km (0.085 R)
• M75: 46,010,172 km (0.048 R)
• M76: 46,646,860 km (0.047 R)
• M77: 47,103,283 km (0.066 R)
• M78: 47,194,837 km (0.041 R)
• M79: 49,129,586 km (0.098 R)
• M80: 49,687,138 km (0.112 R)
• M81: 50,060,085 km (0.105 R)
• M82: 51,184,163 km (0.035 R)
• M83: 51,278,261 km (0.053 R)
• M84: 52,222,073 km (0.087 R)
• M85: 52,506,309 km (0.12 R)
• M86: 53,171,422 km (0.078 R)
• M87: 53,457,453 km (0.095 R)
• M88: 54,798,598 km (0.111 R)
• M89: 56,247,902 km (0.108 R)
• M90: 58,691,134 km (0.083 R)
• M91: 59,975,282 km (0.113 R)
• M92: 60,173,649 km (0.051 R)
• M93: 62,973,972 km (0.034 R)
• M94: 64,593,069 km (0.098 R)
• M95: 65,509,805 km (0.12 R)
• M96: 66,328,405 km (0.076 R)
• M97: 66,636,277 km (0.073 R)
• M98: 67,975,627 km (0.049 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: 218 - 17,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit