🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.31 AU - 1.89 AU

Year: 721 Days

Day: 37.2 Hours

Environment

Temp: -26 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,833,525 km

• M1: 736,321 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.38 AU - 1.82 AU

Year: 721 Days

Day: 18.7 Hours

Environment

Temp: -33 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.54 AU - 1.8 AU

Year: 769 Days

Day: 16.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 149.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.81 AU - 2.69 AU

Year: 1203 Days

Day: 27.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 123.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.8

Radius: 11.8

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.39 AU - 7.53 AU

Year: 5853 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 53,833,525 km

• M1: 158,275 km (0.087 R)
• M2: 270,174 km (0.057 R)
• M3: 414,685 km (0.119 R)
• M4: 678,426 km (0.075 R)
• M5: 1,059,153 km (0.08 R)
• M6: 2,652,819 km (0.032 R)
• M7: 3,628,197 km (0.095 R)
• M8: 4,687,051 km (0.103 R)
• M9: 4,869,411 km (0.037 R)
• M10: 5,622,187 km (0.118 R)
• M11: 5,816,066 km (0.113 R)
• M12: 5,933,500 km (0.051 R)
• M13: 6,012,189 km (0.079 R)
• M14: 6,330,683 km (0.088 R)
• M15: 6,798,176 km (0.07 R)
• M16: 6,901,249 km (0.119 R)
• M17: 7,192,815 km (0.109 R)
• M18: 8,179,114 km (0.051 R)
• M19: 8,443,453 km (0.076 R)
• M20: 8,643,466 km (0.095 R)
• M21: 8,980,510 km (0.083 R)
• M22: 9,093,905 km (0.102 R)
• M23: 9,230,488 km (0.086 R)
• M24: 9,667,463 km (0.104 R)
• M25: 10,064,346 km (0.072 R)
• M26: 10,418,893 km (0.101 R)
• M27: 10,994,845 km (0.039 R)
• M28: 11,605,803 km (0.105 R)
• M29: 12,202,698 km (0.096 R)
• M30: 12,631,595 km (0.095 R)
• M31: 13,245,545 km (0.116 R)
• M32: 13,374,798 km (0.063 R)
• M33: 13,921,727 km (0.119 R)
• M34: 14,822,755 km (0.032 R)
• M35: 15,497,292 km (0.109 R)
• M36: 16,182,002 km (0.066 R)
• M37: 16,597,435 km (0.105 R)
• M38: 16,764,685 km (0.06 R)
• M39: 16,848,460 km (0.04 R)
• M40: 17,326,126 km (0.095 R)
• M41: 17,722,710 km (0.114 R)
• M42: 18,093,713 km (0.103 R)
• M43: 18,582,898 km (0.116 R)
• M44: 18,843,497 km (0.091 R)
• M45: 19,780,130 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.9

Radius: 13.9

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.35 AU - 8.75 AU

Year: 7395 Days

Day: 9.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 53,833,525 km

• M1: 182,958 km (0.106 R)
• M2: 567,874 km (0.119 R)
• M3: 898,634 km (0.095 R)
• M4: 995,275 km (0.042 R)
• M5: 1,182,721 km (0.104 R)
• M6: 1,345,334 km (0.067 R)
• M7: 1,439,132 km (0.083 R)
• M8: 1,673,851 km (0.085 R)
• M9: 1,942,528 km (0.083 R)
• M10: 2,049,790 km (0.075 R)
• M11: 2,429,769 km (0.104 R)
• M12: 2,687,825 km (0.117 R)
• M13: 2,832,336 km (0.042 R)
• M14: 4,109,304 km (0.096 R)
• M15: 4,220,754 km (0.101 R)
• M16: 4,389,800 km (0.051 R)
• M17: 4,532,367 km (0.117 R)
• M18: 4,647,557 km (0.108 R)
• M19: 5,028,882 km (0.072 R)
• M20: 5,118,342 km (0.099 R)
• M21: 5,451,047 km (0.037 R)
• M22: 5,697,435 km (0.113 R)
• M23: 6,074,122 km (0.042 R)
• M24: 6,523,814 km (0.092 R)
• M25: 6,621,501 km (0.098 R)
• M26: 7,387,592 km (0.092 R)
• M27: 8,041,634 km (0.108 R)
• M28: 8,181,807 km (0.057 R)
• M29: 8,287,423 km (0.051 R)
• M30: 8,500,001 km (0.058 R)
• M31: 8,750,279 km (0.101 R)
• M32: 8,966,896 km (0.067 R)
• M33: 9,590,121 km (0.061 R)
• M34: 10,189,410 km (0.054 R)
• M35: 10,801,116 km (0.101 R)
• M36: 11,780,533 km (0.045 R)
• M37: 11,900,062 km (0.11 R)
• M38: 12,100,074 km (0.116 R)
• M39: 13,739,966 km (0.086 R)
• M40: 14,034,225 km (0.099 R)
• M41: 14,500,671 km (0.101 R)
• M42: 15,274,990 km (0.119 R)
• M43: 15,405,439 km (0.071 R)
• M44: 15,579,870 km (0.086 R)
• M45: 15,667,235 km (0.071 R)
• M46: 16,550,910 km (0.104 R)
• M47: 17,314,607 km (0.074 R)
• M48: 17,678,130 km (0.036 R)
• M49: 18,412,506 km (0.048 R)
• M50: 18,736,984 km (0.047 R)
• M51: 18,830,034 km (0.115 R)
• M52: 19,063,406 km (0.091 R)
• M53: 20,244,332 km (0.063 R)
• M54: 22,379,841 km (0.109 R)
• M55: 23,174,057 km (0.099 R)
• M56: 23,474,299 km (0.052 R)
• M57: 23,624,945 km (0.105 R)
• M58: 24,078,675 km (0.114 R)
• M59: 25,148,599 km (0.082 R)
• M60: 25,715,276 km (0.031 R)
• M61: 25,818,797 km (0.059 R)
• M62: 26,129,961 km (0.098 R)
• M63: 27,705,077 km (0.118 R)
• M64: 28,664,747 km (0.118 R)
• M65: 30,288,482 km (0.101 R)
• M66: 31,001,466 km (0.074 R)
• M67: 31,332,376 km (0.094 R)
• M68: 31,719,835 km (0.103 R)
• M69: 32,443,739 km (0.111 R)
• M70: 32,891,934 km (0.094 R)
• M71: 33,116,780 km (0.042 R)
• M72: 33,851,156 km (0.099 R)
• M73: 34,191,940 km (0.056 R)
• M74: 34,419,777 km (0.108 R)
• M75: 35,163,578 km (0.037 R)
• M76: 36,144,342 km (0.111 R)
• M77: 37,602,921 km (0.112 R)
• M78: 37,779,297 km (0.093 R)
• M79: 39,318,958 km (0.061 R)
• M80: 39,736,934 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.6

Radius: 9.9

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 11.89 AU - 13.69 AU

Year: 16304 Days

Day: 13.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 53,833,525 km

• M1: 185,950 km (0.11 R)
• M2: 847,472 km (0.104 R)
• M3: 1,263,055 km (0.108 R)
• M4: 1,338,303 km (0.098 R)
• M5: 1,546,244 km (0.117 R)
• M6: 1,821,354 km (0.096 R)
• M7: 2,324,452 km (0.068 R)
• M8: 2,512,197 km (0.08 R)
• M9: 3,071,244 km (0.083 R)
• M10: 3,312,546 km (0.094 R)
• M11: 3,595,884 km (0.098 R)
• M12: 4,073,251 km (0.115 R)
• M13: 5,168,457 km (0.094 R)
• M14: 5,539,011 km (0.109 R)
• M15: 5,790,934 km (0.106 R)
• M16: 6,349,532 km (0.105 R)
• M17: 6,925,484 km (0.099 R)
• M18: 7,060,720 km (0.069 R)
• M19: 7,288,259 km (0.112 R)
• M20: 8,079,631 km (0.104 R)
• M21: 8,996,218 km (0.072 R)
• M22: 9,144,020 km (0.108 R)
• M23: 9,242,904 km (0.076 R)
• M24: 9,592,066 km (0.061 R)
• M25: 10,251,942 km (0.08 R)
• M26: 10,665,281 km (0.104 R)
• M27: 11,031,497 km (0.052 R)
• M28: 11,136,963 km (0.082 R)
• M29: 11,561,821 km (0.074 R)
• M30: 12,372,941 km (0.083 R)
• M31: 12,757,706 km (0.049 R)
• M32: 12,979,410 km (0.111 R)
• M33: 13,370,459 km (0.093 R)
• M34: 13,992,637 km (0.084 R)
• M35: 14,566,494 km (0.106 R)
• M36: 14,972,802 km (0.043 R)
• M37: 16,273,855 km (0.071 R)
• M38: 16,393,982 km (0.089 R)
• M39: 17,672,595 km (0.116 R)
• M40: 17,734,229 km (0.11 R)
• M41: 18,292,678 km (0.106 R)
• M42: 18,856,812 km (0.08 R)
• M43: 19,236,192 km (0.12 R)
• M44: 19,299,621 km (0.034 R)
• M45: 20,195,413 km (0.118 R)
• M46: 21,104,819 km (0.08 R)
• M47: 21,498,560 km (0.083 R)
• M48: 21,696,329 km (0.094 R)
• M49: 22,493,685 km (0.097 R)
• M50: 22,694,595 km (0.077 R)
• M51: 22,828,785 km (0.109 R)
• M52: 23,300,616 km (0.075 R)
• M53: 23,571,688 km (0.108 R)
• M54: 23,912,023 km (0.093 R)
• M55: 24,666,445 km (0.106 R)
• M56: 26,128,465 km (0.076 R)
• M57: 27,261,070 km (0.099 R)
• M58: 28,265,171 km (0.079 R)
• M59: 29,427,547 km (0.118 R)
• M60: 30,902,432 km (0.1 R)
• M61: 31,200,282 km (0.04 R)
• M62: 31,274,931 km (0.107 R)
• M63: 33,388,150 km (0.108 R)
• M64: 34,154,091 km (0.114 R)
• M65: 34,693,691 km (0.048 R)
• M66: 35,003,209 km (0.091 R)
• M67: 35,080,701 km (0.083 R)
• M68: 37,989,781 km (0.047 R)
• M69: 38,708,898 km (0.073 R)
• M70: 39,352,019 km (0.11 R)
• M71: 39,432,652 km (0.119 R)
• M72: 42,289,373 km (0.077 R)
• M73: 44,118,955 km (0.12 R)
• M74: 44,706,426 km (0.103 R)
• M75: 44,790,650 km (0.115 R)
• M76: 45,465,635 km (0.096 R)
• M77: 46,399,425 km (0.1 R)
• M78: 46,569,817 km (0.074 R)
• M79: 48,027,050 km (0.08 R)
• M80: 48,631,425 km (0.108 R)
• M81: 49,673,375 km (0.12 R)
• M82: 49,935,021 km (0.093 R)
• M83: 50,547,176 km (0.106 R)
• M84: 52,133,063 km (0.046 R)
• M85: 53,377,567 km (0.109 R)
• M86: 53,824,566 km (0.119 R)
• M87: 54,452,279 km (0.093 R)
• M88: 54,632,095 km (0.113 R)
• M89: 55,534,021 km (0.091 R)
• M90: 60,302,902 km (0.1 R)
• M91: 60,861,650 km (0.081 R)
• M92: 61,234,896 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.5

Radius: 8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 17.29 AU - 19.93 AU

Year: 28616 Days

Day: 16.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 53,833,525 km

• M1: 170,093 km (0.083 R)
• M2: 392,844 km (0.107 R)
• M3: 481,855 km (0.06 R)
• M4: 562,039 km (0.111 R)
• M5: 647,011 km (0.088 R)
• M6: 1,526,197 km (0.119 R)
• M7: 2,445,776 km (0.062 R)
• M8: 3,378,518 km (0.099 R)
• M9: 3,442,247 km (0.085 R)
• M10: 3,538,438 km (0.101 R)
• M11: 3,899,119 km (0.057 R)
• M12: 4,168,844 km (0.055 R)
• M13: 4,375,139 km (0.068 R)
• M14: 4,726,545 km (0.111 R)
• M15: 5,196,880 km (0.088 R)
• M16: 5,796,170 km (0.104 R)
• M17: 5,872,614 km (0.066 R)
• M18: 7,018,683 km (0.036 R)
• M19: 7,141,204 km (0.109 R)
• M20: 10,055,221 km (0.077 R)
• M21: 10,425,176 km (0.064 R)
• M22: 10,799,470 km (0.119 R)
• M23: 10,893,717 km (0.087 R)
• M24: 10,988,263 km (0.108 R)
• M25: 11,802,823 km (0.079 R)
• M26: 12,389,696 km (0.095 R)
• M27: 12,488,281 km (0.118 R)
• M28: 14,000,266 km (0.107 R)
• M29: 14,516,977 km (0.033 R)
• M30: 15,356,670 km (0.057 R)
• M31: 15,675,613 km (0.089 R)
• M32: 16,212,071 km (0.081 R)
• M33: 16,320,081 km (0.12 R)
• M34: 16,374,235 km (0.094 R)
• M35: 17,028,127 km (0.114 R)
• M36: 18,756,431 km (0.084 R)
• M37: 18,869,827 km (0.044 R)
• M38: 19,612,580 km (0.049 R)
• M39: 19,670,175 km (0.09 R)
• M40: 20,074,389 km (0.095 R)
• M41: 21,185,602 km (0.058 R)
• M42: 21,599,988 km (0.118 R)
• M43: 22,497,126 km (0.094 R)
• M44: 22,980,477 km (0.107 R)
• M45: 23,528,304 km (0.103 R)
• M46: 23,589,490 km (0.067 R)
• M47: 24,080,620 km (0.105 R)
• M48: 25,511,074 km (0.113 R)
• M49: 25,636,886 km (0.082 R)
• M50: 25,888,809 km (0.111 R)
• M51: 26,777,271 km (0.098 R)
• M52: 27,934,410 km (0.084 R)
• M53: 28,388,739 km (0.076 R)
• M54: 28,649,488 km (0.077 R)
• M55: 28,910,985 km (0.057 R)
• M56: 29,304,727 km (0.105 R)
• M57: 30,164,017 km (0.087 R)
• M58: 30,496,723 km (0.074 R)
• M59: 31,569,489 km (0.119 R)
• M60: 31,974,899 km (0.116 R)
• M61: 32,246,270 km (0.09 R)
• M62: 33,683,008 km (0.101 R)
• M63: 36,194,158 km (0.109 R)
• M64: 36,406,138 km (0.102 R)
• M65: 36,973,413 km (0.107 R)
• M66: 37,044,472 km (0.075 R)
• M67: 37,400,814 km (0.117 R)
• M68: 37,901,369 km (0.112 R)
• M69: 38,476,423 km (0.092 R)
• M70: 38,548,379 km (0.041 R)
• M71: 38,764,847 km (0.082 R)
• M72: 39,271,535 km (0.097 R)
• M73: 39,416,795 km (0.097 R)
• M74: 41,099,023 km (0.106 R)
• M75: 45,749,273 km (0.055 R)
• M76: 45,825,568 km (0.109 R)
• M77: 45,902,012 km (0.071 R)
• M78: 45,978,457 km (0.12 R)
• M79: 46,514,765 km (0.113 R)
• M80: 46,975,975 km (0.054 R)
• M81: 49,305,364 km (0.03 R)
• M82: 49,697,310 km (0.066 R)
• M83: 50,484,045 km (0.051 R)
• M84: 50,878,984 km (0.087 R)
• M85: 51,274,969 km (0.117 R)
• M86: 51,910,760 km (0.097 R)
• M87: 53,430,974 km (0.067 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 15,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit