🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.7 AU - 0.88 AU

Year: 265 Days

Day: 14.6 Hours

Environment

Temp: 144 °C

Axial Tilt: 48.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.9 AU - 0.96 AU

Year: 338 Days

Day: 26.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,532,406 km

• M1: 311,912 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.89 AU - 1.27 AU

Year: 423 Days

Day: 27.7 Hours

Environment

Temp: 17 °C

Axial Tilt: 4.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,532,406 km

• M1: 539,899 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.18 AU - 1.22 AU

Year: 495 Days

Day: 47.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.32 AU - 2.9 AU

Year: 1588 Days

Day: 24.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,532,406 km

• M1: 1,056,161 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.1

Radius: 14.2

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.47 AU - 5.35 AU

Year: 3489 Days

Day: 10.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 69,532,406 km

• M1: 180,116 km (0.097 R)
• M2: 283,787 km (0.102 R)
• M3: 441,613 km (0.052 R)
• M4: 596,148 km (0.096 R)
• M5: 990,488 km (0.11 R)
• M6: 1,438,084 km (0.037 R)
• M7: 1,527,394 km (0.117 R)
• M8: 1,658,592 km (0.115 R)
• M9: 1,932,505 km (0.096 R)
• M10: 2,478,687 km (0.068 R)
• M11: 2,681,991 km (0.115 R)
• M12: 2,777,733 km (0.078 R)
• M13: 3,122,108 km (0.049 R)
• M14: 3,239,991 km (0.115 R)
• M15: 3,342,316 km (0.108 R)
• M16: 3,726,932 km (0.084 R)
• M17: 3,888,348 km (0.076 R)
• M18: 4,634,392 km (0.095 R)
• M19: 4,750,181 km (0.112 R)
• M20: 4,925,809 km (0.037 R)
• M21: 5,263,302 km (0.043 R)
• M22: 5,649,414 km (0.089 R)
• M23: 5,794,075 km (0.111 R)
• M24: 6,644,389 km (0.051 R)
• M25: 6,929,224 km (0.116 R)
• M26: 7,084,357 km (0.105 R)
• M27: 7,307,856 km (0.028 R)
• M28: 7,420,503 km (0.056 R)
• M29: 7,511,010 km (0.088 R)
• M30: 7,601,965 km (0.075 R)
• M31: 7,716,109 km (0.067 R)
• M32: 8,038,941 km (0.037 R)
• M33: 8,295,651 km (0.119 R)
• M34: 8,413,235 km (0.079 R)
• M35: 8,626,412 km (0.09 R)
• M36: 8,985,596 km (0.115 R)
• M37: 9,082,236 km (0.11 R)
• M38: 9,374,251 km (0.12 R)
• M39: 9,694,092 km (0.087 R)
• M40: 10,168,018 km (0.101 R)
• M41: 10,395,107 km (0.065 R)
• M42: 10,803,210 km (0.116 R)
• M43: 10,957,595 km (0.104 R)
• M44: 11,268,609 km (0.068 R)
• M45: 12,165,448 km (0.068 R)
• M46: 13,167,605 km (0.038 R)
• M47: 13,831,819 km (0.107 R)
• M48: 14,083,742 km (0.069 R)
• M49: 14,252,638 km (0.109 R)
• M50: 14,763,066 km (0.087 R)
• M51: 14,963,228 km (0.118 R)
• M52: 15,106,692 km (0.117 R)
• M53: 15,423,989 km (0.072 R)
• M54: 15,772,851 km (0.086 R)
• M55: 15,948,180 km (0.088 R)
• M56: 16,507,676 km (0.093 R)
• M57: 17,103,674 km (0.114 R)
• M58: 17,767,440 km (0.103 R)
• M59: 18,163,575 km (0.046 R)
• M60: 18,593,669 km (0.087 R)
• M61: 19,120,253 km (0.112 R)
• M62: 19,809,002 km (0.087 R)
• M63: 20,410,535 km (0.074 R)
• M64: 20,633,586 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.1

Radius: 12.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.92 AU - 7.61 AU

Year: 6621 Days

Day: 8.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 69,532,406 km

• M1: 234,270 km (0.03 R)
• M2: 327,171 km (0.044 R)
• M3: 448,943 km (0.085 R)
• M4: 553,213 km (0.115 R)
• M5: 657,782 km (0.109 R)
• M6: 801,845 km (0.109 R)
• M7: 878,289 km (0.112 R)
• M8: 957,576 km (0.11 R)
• M9: 1,173,296 km (0.117 R)
• M10: 1,392,307 km (0.095 R)
• M11: 1,486,554 km (0.061 R)
• M12: 1,611,019 km (0.09 R)
• M13: 2,051,585 km (0.058 R)
• M14: 2,128,628 km (0.099 R)
• M15: 2,781,174 km (0.086 R)
• M16: 2,901,600 km (0.108 R)
• M17: 3,604,411 km (0.106 R)
• M18: 3,698,359 km (0.113 R)
• M19: 3,927,094 km (0.1 R)
• M20: 4,298,844 km (0.054 R)
• M21: 4,519,501 km (0.116 R)
• M22: 4,641,274 km (0.104 R)
• M23: 5,309,976 km (0.054 R)
• M24: 5,438,780 km (0.116 R)
• M25: 5,633,856 km (0.117 R)
• M26: 5,853,465 km (0.089 R)
• M27: 6,574,976 km (0.088 R)
• M28: 6,667,278 km (0.087 R)
• M29: 6,899,603 km (0.118 R)
• M30: 7,300,825 km (0.104 R)
• M31: 7,396,418 km (0.081 R)
• M32: 7,540,481 km (0.085 R)
• M33: 7,953,820 km (0.086 R)
• M34: 8,126,306 km (0.092 R)
• M35: 8,299,839 km (0.106 R)
• M36: 8,981,108 km (0.077 R)
• M37: 9,471,340 km (0.1 R)
• M38: 9,838,154 km (0.064 R)
• M39: 10,209,606 km (0.108 R)
• M40: 10,370,274 km (0.115 R)
• M41: 10,612,922 km (0.054 R)
• M42: 11,268,908 km (0.061 R)
• M43: 11,518,288 km (0.09 R)
• M44: 12,220,650 km (0.103 R)
• M45: 12,362,768 km (0.116 R)
• M46: 12,505,484 km (0.09 R)
• M47: 13,139,929 km (0.07 R)
• M48: 13,784,845 km (0.072 R)
• M49: 14,741,374 km (0.107 R)
• M50: 14,832,180 km (0.116 R)
• M51: 15,044,609 km (0.097 R)
• M52: 15,227,717 km (0.052 R)
• M53: 15,350,088 km (0.081 R)
• M54: 15,442,091 km (0.119 R)
• M55: 15,565,060 km (0.106 R)
• M56: 16,247,226 km (0.098 R)
• M57: 16,655,030 km (0.102 R)
• M58: 16,844,271 km (0.072 R)
• M59: 17,673,044 km (0.058 R)
• M60: 17,995,277 km (0.059 R)
• M61: 18,776,777 km (0.107 R)
• M62: 19,138,504 km (0.107 R)
• M63: 19,635,768 km (0.098 R)
• M64: 19,902,650 km (0.101 R)
• M65: 20,103,560 km (0.115 R)
• M66: 20,507,624 km (0.108 R)
• M67: 20,710,628 km (0.095 R)
• M68: 20,948,190 km (0.119 R)
• M69: 21,152,690 km (0.098 R)
• M70: 22,742,018 km (0.063 R)
• M71: 23,268,602 km (0.073 R)
• M72: 23,692,712 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.8

Radius: 3.7

Gravity: 31.76 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 12.9 AU - 17.14 AU

Year: 21930 Days

Day: 18.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 69,532,406 km

• M1: 95,743 km (0.108 R)
• M2: 173,683 km (0.041 R)
• M3: 1,144,723 km (0.084 R)
• M4: 1,444,816 km (0.101 R)
• M5: 1,530,685 km (0.059 R)
• M6: 1,588,879 km (0.098 R)
• M7: 2,145,233 km (0.11 R)
• M8: 2,210,458 km (0.072 R)
• M9: 2,546,605 km (0.06 R)
• M10: 3,043,569 km (0.09 R)
• M11: 3,080,071 km (0.1 R)
• M12: 4,082,825 km (0.103 R)
• M13: 4,245,288 km (0.088 R)
• M14: 5,045,936 km (0.041 R)
• M15: 5,220,367 km (0.09 R)
• M16: 5,891,912 km (0.086 R)
• M17: 6,685,230 km (0.072 R)
• M18: 7,118,764 km (0.074 R)
• M19: 7,216,302 km (0.089 R)
• M20: 7,710,723 km (0.111 R)
• M21: 8,679,818 km (0.103 R)
• M22: 9,364,677 km (0.046 R)
• M23: 9,471,490 km (0.059 R)
• M24: 9,794,621 km (0.082 R)
• M25: 10,121,493 km (0.082 R)
• M26: 10,231,148 km (0.109 R)
• M27: 10,341,252 km (0.068 R)
• M28: 10,841,657 km (0.081 R)
• M29: 11,236,146 km (0.046 R)
• M30: 11,981,443 km (0.042 R)
• M31: 12,506,681 km (0.093 R)
• M32: 13,700,472 km (0.113 R)
• M33: 13,761,059 km (0.082 R)
• M34: 13,882,682 km (0.118 R)
• M35: 14,188,161 km (0.113 R)
• M36: 14,743,469 km (0.054 R)
• M37: 15,180,294 km (0.069 R)
• M38: 16,323,072 km (0.098 R)
• M39: 17,822,941 km (0.049 R)
• M40: 18,555,821 km (0.114 R)
• M41: 18,622,841 km (0.099 R)
• M42: 18,690,010 km (0.076 R)
• M43: 20,395,725 km (0.112 R)
• M44: 20,673,229 km (0.115 R)
• M45: 21,091,804 km (0.07 R)
• M46: 22,937,692 km (0.081 R)
• M47: 23,806,856 km (0.109 R)
• M48: 24,172,323 km (0.095 R)
• M49: 25,130,946 km (0.105 R)
• M50: 27,008,998 km (0.09 R)
• M51: 28,388,889 km (0.113 R)
• M52: 28,931,630 km (0.077 R)
• M53: 29,634,590 km (0.113 R)
• M54: 29,713,129 km (0.094 R)
• M55: 29,791,518 km (0.08 R)
• M56: 30,659,784 km (0.095 R)
• M57: 34,379,685 km (0.05 R)
• M58: 34,544,542 km (0.074 R)
• M59: 34,875,303 km (0.029 R)
• M60: 35,789,944 km (0.076 R)
• M61: 37,134,530 km (0.091 R)
• M62: 37,558,041 km (0.05 R)
• M63: 37,727,835 km (0.113 R)
• M64: 37,983,199 km (0.084 R)
• M65: 38,324,431 km (0.098 R)
• M66: 39,786,152 km (0.06 R)
• M67: 40,045,854 km (0.066 R)
• M68: 40,219,388 km (0.093 R)
• M69: 41,880,522 km (0.065 R)
• M70: 42,941,022 km (0.055 R)
• M71: 43,385,477 km (0.104 R)
• M72: 43,652,958 km (0.078 R)
• M73: 45,993,566 km (0.077 R)
• M74: 48,005,658 km (0.113 R)
• M75: 48,651,920 km (0.096 R)
• M76: 48,744,521 km (0.063 R)
• M77: 48,837,122 km (0.053 R)
• M78: 49,580,026 km (0.106 R)
• M79: 53,255,346 km (0.088 R)
• M80: 54,307,767 km (0.086 R)
• M81: 55,077,448 km (0.07 R)
• M82: 56,141,538 km (0.083 R)
• M83: 57,310,196 km (0.041 R)
• M84: 57,407,884 km (0.073 R)
• M85: 59,275,613 km (0.063 R)
• M86: 60,465,515 km (0.085 R)
• M87: 61,263,170 km (0.055 R)
• M88: 62,164,647 km (0.074 R)
• M89: 62,265,027 km (0.106 R)
• M90: 65,711,762 km (0.093 R)
• M91: 66,429,084 km (0.1 R)
• M92: 66,737,256 km (0.067 R)
• M93: 67,148,949 km (0.06 R)
• M94: 68,078,251 km (0.082 R)
• M95: 68,804,100 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 18,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit