🌌 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: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.58 AU - 0.62 AU

Year: 176 Days

Day: 23.8 Hours

Environment

Temp: 145 °C

Axial Tilt: 24.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.7 AU - 0.84 AU

Year: 256 Days

Day: 16.8 Hours

Environment

Temp: 167 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.7 AU - 1.02 AU

Year: 302 Days

Day: 27.1 Hours

Environment

Temp: 32 °C

Axial Tilt: 16.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.07 AU - 1.47 AU

Year: 542 Days

Day: 25.7 Hours

Environment

Temp: -29 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.13 AU - 2.69 AU

Year: 1417 Days

Day: 22.7 Hours

Environment

Temp: -103 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.8 AU - 4.52 AU

Year: 2652 Days

Day: 32.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.19 AU - 4.23 AU

Year: 3272 Days

Day: 45.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,733,783 km

• M1: 1,627,326 km (0.038 R)

Asteroid Belt

Center: 6.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.7

Radius: 10.7

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.17 AU - 8.61 AU

Year: 9204 Days

Day: 7.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 72,733,783 km

• M1: 144,960 km (0.068 R)
• M2: 441,763 km (0.096 R)
• M3: 553,363 km (0.093 R)
• M4: 724,652 km (0.117 R)
• M5: 896,390 km (0.056 R)
• M6: 1,043,894 km (0.089 R)
• M7: 1,260,362 km (0.118 R)
• M8: 2,216,442 km (0.061 R)
• M9: 2,368,284 km (0.056 R)
• M10: 2,497,387 km (0.105 R)
• M11: 2,602,554 km (0.088 R)
• M12: 2,735,995 km (0.12 R)
• M13: 3,093,684 km (0.115 R)
• M14: 3,178,506 km (0.025 R)
• M15: 3,292,649 km (0.08 R)
• M16: 3,495,803 km (0.077 R)
• M17: 4,255,012 km (0.034 R)
• M18: 4,349,558 km (0.074 R)
• M19: 4,476,716 km (0.102 R)
• M20: 4,669,698 km (0.109 R)
• M21: 4,767,235 km (0.082 R)
• M22: 4,865,521 km (0.059 R)
• M23: 5,333,014 km (0.073 R)
• M24: 5,814,869 km (0.098 R)
• M25: 6,346,839 km (0.061 R)
• M26: 6,931,468 km (0.047 R)
• M27: 7,305,612 km (0.097 R)
• M28: 7,419,157 km (0.061 R)
• M29: 7,495,153 km (0.083 R)
• M30: 7,609,744 km (0.087 R)
• M31: 8,427,746 km (0.109 R)
• M32: 9,029,129 km (0.084 R)
• M33: 9,110,361 km (0.12 R)
• M34: 9,810,778 km (0.102 R)
• M35: 10,146,476 km (0.07 R)
• M36: 10,958,642 km (0.117 R)
• M37: 11,132,326 km (0.041 R)
• M38: 11,350,738 km (0.072 R)
• M39: 11,969,774 km (0.096 R)
• M40: 12,103,814 km (0.082 R)
• M41: 12,554,403 km (0.059 R)
• M42: 13,379,286 km (0.043 R)
• M43: 13,985,905 km (0.107 R)
• M44: 14,221,671 km (0.049 R)
• M45: 14,649,222 km (0.112 R)
• M46: 14,984,770 km (0.083 R)
• M47: 15,663,495 km (0.03 R)
• M48: 15,957,455 km (0.09 R)
• M49: 16,105,108 km (0.116 R)
• M50: 16,750,174 km (0.089 R)
• M51: 16,850,255 km (0.069 R)
• M52: 17,403,767 km (0.105 R)
• M53: 18,219,674 km (0.06 R)
• M54: 19,100,058 km (0.038 R)
• M55: 19,994,503 km (0.061 R)
• M56: 20,526,922 km (0.082 R)
• M57: 23,091,479 km (0.051 R)
• M58: 23,370,179 km (0.098 R)
• M59: 24,156,615 km (0.061 R)
• M60: 24,951,578 km (0.108 R)
• M61: 26,509,042 km (0.1 R)
• M62: 26,742,564 km (0.072 R)
• M63: 29,113,990 km (0.025 R)
• M64: 29,354,842 km (0.061 R)
• M65: 29,535,856 km (0.115 R)
• M66: 30,020,553 km (0.073 R)
• M67: 30,202,913 km (0.084 R)
• M68: 30,936,391 km (0.095 R)
• M69: 32,358,468 km (0.093 R)
• M70: 33,612,248 km (0.08 R)
• M71: 34,562,942 km (0.09 R)
• M72: 34,754,278 km (0.116 R)
• M73: 34,945,763 km (0.099 R)
• M74: 35,651,267 km (0.118 R)
• M75: 36,231,856 km (0.113 R)
• M76: 36,361,408 km (0.061 R)
• M77: 36,490,960 km (0.09 R)
• M78: 36,620,811 km (0.079 R)
• M79: 37,402,609 km (0.075 R)
• M80: 38,453,684 km (0.07 R)
• M81: 38,585,779 km (0.101 R)
• M82: 39,314,769 km (0.062 R)
• M83: 39,847,786 km (0.119 R)
• M84: 40,719,194 km (0.112 R)
• M85: 41,123,557 km (0.101 R)
• M86: 41,800,338 km (0.064 R)
• M87: 42,072,008 km (0.09 R)
• M88: 43,164,820 km (0.079 R)
• M89: 43,577,112 km (0.047 R)
• M90: 43,645,927 km (0.118 R)
• M91: 44,197,793 km (0.059 R)
• M92: 44,613,376 km (0.107 R)
• M93: 47,062,742 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.7

Radius: 5

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 12.27 AU - 17.63 AU

Year: 21893 Days

Day: 16.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 72,733,783 km

• M1: 176,974 km (0.111 R)
• M2: 231,129 km (0.071 R)
• M3: 291,865 km (0.082 R)
• M4: 641,027 km (0.103 R)
• M5: 939,923 km (0.091 R)
• M6: 1,000,511 km (0.09 R)
• M7: 2,405,235 km (0.079 R)
• M8: 2,460,735 km (0.083 R)
• M9: 2,832,336 km (0.114 R)
• M10: 2,891,128 km (0.111 R)
• M11: 3,009,760 km (0.034 R)
• M12: 3,251,959 km (0.053 R)
• M13: 5,959,830 km (0.027 R)
• M14: 6,149,071 km (0.059 R)
• M15: 6,965,127 km (0.116 R)
• M16: 7,284,968 km (0.091 R)
• M17: 7,773,554 km (0.091 R)
• M18: 8,188,838 km (0.116 R)
• M19: 8,483,845 km (0.069 R)
• M20: 9,258,313 km (0.063 R)
• M21: 10,735,891 km (0.058 R)
• M22: 10,827,744 km (0.117 R)
• M23: 12,477,510 km (0.111 R)
• M24: 12,670,940 km (0.104 R)
• M25: 13,011,873 km (0.027 R)
• M26: 13,109,860 km (0.062 R)
• M27: 15,481,884 km (0.104 R)
• M28: 16,266,375 km (0.103 R)
• M29: 16,636,779 km (0.098 R)
• M30: 16,690,036 km (0.098 R)
• M31: 18,146,371 km (0.119 R)
• M32: 18,475,487 km (0.084 R)
• M33: 18,530,539 km (0.106 R)
• M34: 20,605,312 km (0.064 R)
• M35: 21,178,571 km (0.113 R)
• M36: 21,699,022 km (0.098 R)
• M37: 23,225,967 km (0.098 R)
• M38: 23,344,748 km (0.073 R)
• M39: 24,062,369 km (0.118 R)
• M40: 24,423,947 km (0.032 R)
• M41: 25,335,447 km (0.088 R)
• M42: 25,826,277 km (0.073 R)
• M43: 25,887,762 km (0.045 R)
• M44: 26,506,200 km (0.034 R)
• M45: 28,136,368 km (0.097 R)
• M46: 29,283,933 km (0.117 R)
• M47: 29,863,475 km (0.067 R)
• M48: 33,017,297 km (0.094 R)
• M49: 33,151,038 km (0.115 R)
• M50: 33,217,908 km (0.106 R)
• M51: 34,226,946 km (0.065 R)
• M52: 34,429,950 km (0.079 R)
• M53: 34,837,305 km (0.081 R)
• M54: 35,246,156 km (0.105 R)
• M55: 35,725,168 km (0.03 R)
• M56: 36,966,681 km (0.118 R)
• M57: 37,523,036 km (0.099 R)
• M58: 39,350,224 km (0.08 R)
• M59: 39,562,802 km (0.11 R)
• M60: 42,580,341 km (0.059 R)
• M61: 42,725,900 km (0.066 R)
• M62: 43,236,477 km (0.108 R)
• M63: 43,309,631 km (0.074 R)
• M64: 44,263,916 km (0.11 R)
• M65: 44,632,674 km (0.091 R)
• M66: 44,706,576 km (0.077 R)
• M67: 45,076,681 km (0.119 R)
• M68: 46,942,316 km (0.032 R)
• M69: 47,544,597 km (0.096 R)
• M70: 48,149,421 km (0.092 R)
• M71: 50,209,683 km (0.082 R)
• M72: 50,363,470 km (0.102 R)
• M73: 50,825,577 km (0.038 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.2

Radius: 5.9

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 15.96 AU - 22.36 AU

Year: 31764 Days

Day: 17 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 72,733,783 km

• M1: 181,013 km (0.119 R)
• M2: 632,949 km (0.057 R)
• M3: 1,536,071 km (0.11 R)
• M4: 1,810,882 km (0.092 R)
• M5: 2,200,884 km (0.082 R)
• M6: 2,652,221 km (0.111 R)
• M7: 2,944,086 km (0.056 R)
• M8: 3,284,571 km (0.075 R)
• M9: 3,518,542 km (0.114 R)
• M10: 3,637,472 km (0.104 R)
• M11: 4,767,235 km (0.118 R)
• M12: 5,301,749 km (0.091 R)
• M13: 5,438,331 km (0.083 R)
• M14: 5,761,612 km (0.08 R)
• M15: 6,138,599 km (0.099 R)
• M16: 6,670,120 km (0.039 R)
• M17: 6,719,039 km (0.062 R)
• M18: 7,418,259 km (0.097 R)
• M19: 7,879,918 km (0.106 R)
• M20: 9,101,534 km (0.083 R)
• M21: 9,429,752 km (0.114 R)
• M22: 9,540,006 km (0.103 R)
• M23: 9,817,659 km (0.1 R)
• M24: 10,380,895 km (0.066 R)
• M25: 10,954,454 km (0.092 R)
• M26: 12,072,399 km (0.115 R)
• M27: 12,736,164 km (0.091 R)
• M28: 12,797,051 km (0.047 R)
• M29: 12,980,458 km (0.092 R)
• M30: 13,535,765 km (0.052 R)
• M31: 13,597,998 km (0.067 R)
• M32: 13,847,676 km (0.099 R)
• M33: 14,035,871 km (0.04 R)
• M34: 14,605,689 km (0.076 R)
• M35: 15,118,660 km (0.053 R)
• M36: 15,507,166 km (0.1 R)
• M37: 17,228,439 km (0.11 R)
• M38: 19,639,358 km (0.046 R)
• M39: 20,063,169 km (0.035 R)
• M40: 21,934,189 km (0.048 R)
• M41: 22,521,062 km (0.062 R)
• M42: 25,301,637 km (0.107 R)
• M43: 25,916,934 km (0.06 R)
• M44: 26,537,166 km (0.076 R)
• M45: 26,693,047 km (0.105 R)
• M46: 27,083,947 km (0.11 R)
• M47: 28,347,450 km (0.066 R)
• M48: 30,522,902 km (0.115 R)
• M49: 31,671,814 km (0.038 R)
• M50: 31,837,120 km (0.115 R)
• M51: 31,919,847 km (0.115 R)
• M52: 33,253,662 km (0.113 R)
• M53: 33,927,301 km (0.092 R)
• M54: 36,234,100 km (0.085 R)
• M55: 38,150,898 km (0.085 R)
• M56: 40,547,755 km (0.029 R)
• M57: 41,087,055 km (0.115 R)
• M58: 41,357,528 km (0.116 R)
• M59: 41,538,242 km (0.077 R)
• M60: 42,536,659 km (0.067 R)
• M61: 43,451,150 km (0.109 R)
• M62: 45,113,482 km (0.029 R)
• M63: 46,327,020 km (0.106 R)
• M64: 46,420,818 km (0.085 R)
• M65: 46,514,616 km (0.092 R)
• M66: 46,608,563 km (0.107 R)
• M67: 50,416,577 km (0.092 R)
• M68: 51,286,937 km (0.099 R)
• M69: 51,870,070 km (0.095 R)
• M70: 52,064,996 km (0.055 R)
• M71: 52,162,384 km (0.108 R)
• M72: 52,846,794 km (0.081 R)
• M73: 55,912,803 km (0.03 R)
• M74: 56,112,516 km (0.115 R)
• M75: 56,613,070 km (0.109 R)
• M76: 58,934,380 km (0.03 R)
• M77: 61,905,244 km (0.047 R)
• M78: 62,837,090 km (0.05 R)
• M79: 64,924,429 km (0.064 R)
• M80: 65,239,482 km (0.062 R)
• M81: 67,034,507 km (0.117 R)
• M82: 67,671,943 km (0.117 R)
• M83: 67,884,821 km (0.076 R)
• M84: 70,349,296 km (0.116 R)
• M85: 70,780,737 km (0.101 R)
• M86: 71,213,224 km (0.038 R)
• M87: 72,298,257 km (0.108 R)
• M88: 72,733,737 km (0.029 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 17,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit