🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.84 AU - 0.98 AU

Year: 307 Days

Day: 36.9 Hours

Environment

Temp: 103 °C

Axial Tilt: 144.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.87 AU - 1.19 AU

Year: 369 Days

Day: 30.2 Hours

Environment

Temp: 144 °C

Axial Tilt: 43.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.19 AU - 2.51 AU

Year: 1272 Days

Day: 18.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,811,113 km

• M1: 276,756 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.09 AU - 3.73 AU

Year: 2223 Days

Day: 30.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.77 AU - 4.97 AU

Year: 3226 Days

Day: 35.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,811,113 km

• M1: 2,394,314 km (0.062 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.61 AU - 5.23 AU

Year: 3853 Days

Day: 16.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,811,113 km

• M1: 474,674 km (0.102 R)
• M2: 1,152,352 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.1

Radius: 14.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.54 AU - 6.04 AU

Year: 4919 Days

Day: 11.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,811,113 km

• M1: 179,368 km (0.12 R)
• M2: 280,047 km (0.11 R)
• M3: 458,667 km (0.066 R)
• M4: 556,205 km (0.096 R)
• M5: 724,951 km (0.095 R)
• M6: 954,285 km (0.088 R)
• M7: 1,069,326 km (0.08 R)
• M8: 1,493,585 km (0.087 R)
• M9: 1,853,518 km (0.084 R)
• M10: 1,977,235 km (0.113 R)
• M11: 2,160,193 km (0.085 R)
• M12: 2,340,608 km (0.11 R)
• M13: 3,094,133 km (0.097 R)
• M14: 3,374,030 km (0.085 R)
• M15: 3,546,068 km (0.076 R)
• M16: 3,799,936 km (0.093 R)
• M17: 4,263,689 km (0.056 R)
• M18: 4,586,521 km (0.052 R)
• M19: 4,692,436 km (0.067 R)
• M20: 4,809,871 km (0.115 R)
• M21: 5,179,228 km (0.049 R)
• M22: 5,524,051 km (0.086 R)
• M23: 6,096,113 km (0.09 R)
• M24: 6,436,748 km (0.072 R)
• M25: 6,579,614 km (0.103 R)
• M26: 6,759,580 km (0.091 R)
• M27: 7,222,884 km (0.111 R)
• M28: 7,346,602 km (0.074 R)
• M29: 7,520,883 km (0.063 R)
• M30: 7,747,075 km (0.097 R)
• M31: 8,361,324 km (0.101 R)
• M32: 8,872,051 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 9.1

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.99 AU - 7.03 AU

Year: 6554 Days

Day: 9.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 63,811,113 km

• M1: 116,088 km (0.082 R)
• M2: 255,663 km (0.054 R)
• M3: 440,416 km (0.1 R)
• M4: 596,896 km (0.103 R)
• M5: 707,897 km (0.093 R)
• M6: 826,229 km (0.109 R)
• M7: 965,804 km (0.112 R)
• M8: 1,252,882 km (0.086 R)
• M9: 1,447,958 km (0.116 R)
• M10: 1,532,331 km (0.068 R)
• M11: 1,618,350 km (0.075 R)
• M12: 1,741,469 km (0.049 R)
• M13: 1,997,281 km (0.113 R)
• M14: 2,443,831 km (0.1 R)
• M15: 2,668,228 km (0.073 R)
• M16: 3,159,357 km (0.116 R)
• M17: 3,609,049 km (0.081 R)
• M18: 4,031,064 km (0.09 R)
• M19: 4,103,021 km (0.061 R)
• M20: 4,896,338 km (0.112 R)
• M21: 5,153,946 km (0.075 R)
• M22: 5,601,991 km (0.11 R)
• M23: 5,817,263 km (0.115 R)
• M24: 6,090,129 km (0.115 R)
• M25: 7,252,355 km (0.105 R)
• M26: 7,843,865 km (0.099 R)
• M27: 8,206,191 km (0.08 R)
• M28: 8,389,449 km (0.082 R)
• M29: 8,543,235 km (0.112 R)
• M30: 9,294,067 km (0.118 R)
• M31: 9,421,375 km (0.086 R)
• M32: 10,033,529 km (0.095 R)
• M33: 10,196,740 km (0.108 R)
• M34: 10,691,909 km (0.073 R)
• M35: 11,364,053 km (0.098 R)
• M36: 11,568,403 km (0.031 R)
• M37: 11,636,770 km (0.108 R)
• M38: 11,773,951 km (0.043 R)
• M39: 12,084,666 km (0.111 R)
• M40: 12,188,786 km (0.088 R)
• M41: 12,293,205 km (0.027 R)
• M42: 12,926,154 km (0.117 R)
• M43: 13,210,988 km (0.054 R)
• M44: 13,354,153 km (0.112 R)
• M45: 13,497,767 km (0.117 R)
• M46: 13,822,843 km (0.096 R)
• M47: 13,931,751 km (0.092 R)
• M48: 14,223,766 km (0.112 R)
• M49: 15,486,970 km (0.108 R)
• M50: 15,903,301 km (0.103 R)
• M51: 16,170,183 km (0.039 R)
• M52: 16,477,009 km (0.107 R)
• M53: 17,526,737 km (0.097 R)
• M54: 17,683,964 km (0.087 R)
• M55: 17,841,790 km (0.114 R)
• M56: 17,960,571 km (0.112 R)
• M57: 18,557,765 km (0.069 R)
• M58: 18,798,618 km (0.11 R)
• M59: 19,853,732 km (0.095 R)
• M60: 19,935,711 km (0.112 R)
• M61: 20,058,980 km (0.087 R)
• M62: 20,182,398 km (0.067 R)
• M63: 20,554,149 km (0.11 R)
• M64: 21,178,720 km (0.082 R)
• M65: 22,489,347 km (0.104 R)
• M66: 23,089,983 km (0.079 R)
• M67: 23,869,687 km (0.091 R)
• M68: 24,000,585 km (0.115 R)
• M69: 24,087,800 km (0.108 R)
• M70: 25,588,716 km (0.112 R)
• M71: 25,767,336 km (0.045 R)
• M72: 25,901,525 km (0.048 R)
• M73: 26,847,432 km (0.096 R)
• M74: 27,575,675 km (0.104 R)
• M75: 28,126,195 km (0.087 R)
• M76: 28,726,531 km (0.113 R)
• M77: 29,144,807 km (0.117 R)
• M78: 29,284,531 km (0.115 R)
• M79: 30,458,575 km (0.08 R)
• M80: 31,122,640 km (0.094 R)
• M81: 31,552,136 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.6

Radius: 9.8

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 11.2 AU - 11.44 AU

Year: 13448 Days

Day: 9.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 63,811,113 km

• M1: 344,075 km (0.063 R)
• M2: 556,953 km (0.109 R)
• M3: 1,011,431 km (0.075 R)
• M4: 1,430,006 km (0.095 R)
• M5: 1,841,550 km (0.096 R)
• M6: 2,509,055 km (0.059 R)
• M7: 2,769,356 km (0.099 R)
• M8: 3,245,975 km (0.079 R)
• M9: 3,316,136 km (0.047 R)
• M10: 3,821,926 km (0.098 R)
• M11: 4,274,610 km (0.08 R)
• M12: 4,429,443 km (0.086 R)
• M13: 4,507,533 km (0.118 R)
• M14: 6,294,779 km (0.074 R)
• M15: 7,055,634 km (0.096 R)
• M16: 7,845,361 km (0.112 R)
• M17: 8,083,072 km (0.088 R)
• M18: 8,711,982 km (0.115 R)
• M19: 8,958,070 km (0.088 R)
• M20: 9,507,693 km (0.062 R)
• M21: 9,659,535 km (0.072 R)
• M22: 11,221,187 km (0.112 R)
• M23: 11,704,986 km (0.111 R)
• M24: 11,813,295 km (0.05 R)
• M25: 12,692,781 km (0.115 R)
• M26: 13,650,058 km (0.053 R)
• M27: 14,281,959 km (0.055 R)
• M28: 14,455,941 km (0.05 R)
• M29: 14,982,077 km (0.085 R)
• M30: 15,099,811 km (0.102 R)
• M31: 15,336,325 km (0.087 R)
• M32: 17,087,368 km (0.088 R)
• M33: 17,210,487 km (0.089 R)
• M34: 17,581,490 km (0.085 R)
• M35: 19,347,642 km (0.111 R)
• M36: 19,733,455 km (0.082 R)
• M37: 19,862,708 km (0.101 R)
• M38: 20,709,132 km (0.056 R)
• M39: 20,774,656 km (0.064 R)
• M40: 22,707,012 km (0.106 R)
• M41: 22,910,166 km (0.069 R)
• M42: 23,181,985 km (0.085 R)
• M43: 25,254,664 km (0.062 R)
• M44: 25,324,676 km (0.083 R)
• M45: 25,676,231 km (0.068 R)
• M46: 26,170,951 km (0.096 R)
• M47: 26,811,828 km (0.096 R)
• M48: 27,098,308 km (0.07 R)
• M49: 27,963,881 km (0.079 R)
• M50: 28,618,970 km (0.05 R)
• M51: 29,278,996 km (0.071 R)
• M52: 30,092,659 km (0.068 R)
• M53: 30,315,859 km (0.103 R)
• M54: 30,614,456 km (0.088 R)
• M55: 30,988,900 km (0.109 R)
• M56: 31,893,668 km (0.034 R)
• M57: 32,273,347 km (0.045 R)
• M58: 32,501,783 km (0.058 R)
• M59: 33,267,275 km (0.087 R)
• M60: 33,806,576 km (0.107 R)
• M61: 34,737,972 km (0.076 R)
• M62: 35,677,746 km (0.104 R)
• M63: 36,071,787 km (0.065 R)
• M64: 38,466,100 km (0.116 R)
• M65: 38,870,164 km (0.09 R)
• M66: 39,275,575 km (0.069 R)
• M67: 39,600,950 km (0.111 R)
• M68: 39,845,692 km (0.051 R)
• M69: 41,406,596 km (0.103 R)
• M70: 42,486,094 km (0.076 R)
• M71: 42,987,397 km (0.097 R)
• M72: 44,842,411 km (0.074 R)
• M73: 45,012,354 km (0.09 R)
• M74: 45,608,800 km (0.043 R)
• M75: 47,500,316 km (0.1 R)
• M76: 50,032,709 km (0.115 R)
• M77: 51,093,358 km (0.113 R)
• M78: 51,982,867 km (0.039 R)
• M79: 52,429,566 km (0.093 R)
• M80: 52,608,634 km (0.112 R)
• M81: 52,698,244 km (0.118 R)
• M82: 53,057,129 km (0.114 R)
• M83: 54,229,079 km (0.112 R)
• M84: 56,048,637 km (0.076 R)
• M85: 59,001,550 km (0.12 R)
• M86: 59,841,093 km (0.068 R)
• M87: 61,343,504 km (0.057 R)
• M88: 63,334,054 km (0.116 R)

Kuiper Belt

Range: 31.1 - 52.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 18,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit