🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.1

Radius: 14.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 6.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,614,681 km

• M1: 182,210 km (0.103 R)
• M2: 736,770 km (0.086 R)
• M3: 1,235,678 km (0.056 R)
• M4: 1,740,721 km (0.114 R)
• M5: 2,562,761 km (0.079 R)
• M6: 3,569,405 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.6

Radius: 9.6

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.04 AU - 1.32 AU

Year: 855 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,614,681 km

• M1: 120,127 km (0.065 R)
• M2: 465,399 km (0.039 R)
• M3: 967,001 km (0.059 R)
• M4: 1,311,375 km (0.05 R)
• M5: 1,825,393 km (0.054 R)
• M6: 2,125,187 km (0.062 R)
• M7: 2,814,385 km (0.055 R)
• M8: 3,311,349 km (0.116 R)
• M9: 3,987,082 km (0.054 R)
• M10: 4,683,311 km (0.041 R)
• M11: 5,105,925 km (0.077 R)
• M12: 6,443,479 km (0.068 R)
• M13: 7,147,936 km (0.074 R)
• M14: 8,025,627 km (0.095 R)
• M15: 8,401,267 km (0.095 R)
• M16: 8,814,755 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.2

Radius: 12.4

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.13 AU - 1.43 AU

Year: 966 Days

Day: 6.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,614,681 km

• M1: 155,432 km (0.112 R)
• M2: 564,582 km (0.043 R)
• M3: 965,953 km (0.105 R)
• M4: 1,458,430 km (0.096 R)
• M5: 2,095,717 km (0.059 R)
• M6: 2,488,561 km (0.096 R)
• M7: 3,103,408 km (0.064 R)
• M8: 3,908,693 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.6

Radius: 13.1

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.47 AU - 2.01 AU

Year: 1531 Days

Day: 8.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,614,681 km

• M1: 163,211 km (0.108 R)
• M2: 656,884 km (0.111 R)
• M3: 1,165,218 km (0.112 R)
• M4: 2,301,862 km (0.087 R)
• M5: 2,990,910 km (0.114 R)
• M6: 4,224,045 km (0.108 R)
• M7: 4,803,438 km (0.062 R)
• M8: 5,391,657 km (0.038 R)
• M9: 5,817,712 km (0.063 R)
• M10: 6,611,927 km (0.108 R)
• M11: 8,625,514 km (0.082 R)
• M12: 9,116,494 km (0.034 R)
• M13: 10,460,781 km (0.094 R)
• M14: 11,933,123 km (0.105 R)
• M15: 13,175,234 km (0.053 R)
• M16: 13,703,913 km (0.094 R)

Asteroid Belt

Center: 2.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.4

Radius: 13.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.83 AU - 2.81 AU

Year: 2356 Days

Day: 10.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,614,681 km

• M1: 173,534 km (0.106 R)
• M2: 658,530 km (0.102 R)
• M3: 1,105,678 km (0.101 R)
• M4: 1,574,518 km (0.1 R)
• M5: 2,563,210 km (0.103 R)
• M6: 3,112,832 km (0.12 R)
• M7: 4,491,377 km (0.119 R)
• M8: 4,976,074 km (0.063 R)
• M9: 5,518,067 km (0.101 R)
• M10: 6,244,963 km (0.088 R)
• M11: 7,195,358 km (0.09 R)
• M12: 8,783,789 km (0.115 R)
• M13: 9,677,187 km (0.119 R)
• M14: 11,570,647 km (0.072 R)
• M15: 14,079,104 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.4

Radius: 10.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.96 AU - 4 AU

Year: 5295 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,614,681 km

• M1: 129,402 km (0.117 R)
• M2: 480,359 km (0.11 R)
• M3: 856,149 km (0.096 R)
• M4: 1,272,779 km (0.055 R)
• M5: 2,620,057 km (0.06 R)
• M6: 3,021,129 km (0.025 R)
• M7: 3,988,429 km (0.083 R)
• M8: 7,484,681 km (0.095 R)
• M9: 8,535,456 km (0.067 R)
• M10: 10,098,903 km (0.119 R)
• M11: 11,930,729 km (0.063 R)
• M12: 13,039,250 km (0.117 R)
• M13: 14,118,449 km (0.075 R)
• M14: 15,665,889 km (0.076 R)
• M15: 16,668,494 km (0.089 R)
• M16: 17,158,128 km (0.109 R)
• M17: 17,769,534 km (0.113 R)
• M18: 20,177,312 km (0.114 R)
• M19: 21,110,055 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.5

Radius: 12.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.66 AU - 4.58 AU

Year: 5577 Days

Day: 5.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,614,681 km

• M1: 151,692 km (0.098 R)
• M2: 699,370 km (0.106 R)
• M3: 1,477,129 km (0.089 R)
• M4: 2,521,023 km (0.112 R)
• M5: 3,392,132 km (0.056 R)
• M6: 4,585,025 km (0.076 R)
• M7: 5,395,247 km (0.103 R)
• M8: 6,265,757 km (0.117 R)
• M9: 6,873,424 km (0.097 R)
• M10: 10,381,344 km (0.086 R)
• M11: 13,678,481 km (0.075 R)
• M12: 15,114,322 km (0.079 R)
• M13: 19,385,042 km (0.079 R)
• M14: 23,270,996 km (0.101 R)
• M15: 29,561,287 km (0.071 R)
• M16: 30,885,079 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.1

Radius: 9.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.04 AU - 5.6 AU

Year: 8183 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,614,681 km

• M1: 122,221 km (0.09 R)
• M2: 472,580 km (0.038 R)
• M3: 834,457 km (0.08 R)
• M4: 1,875,957 km (0.091 R)
• M5: 2,179,043 km (0.035 R)
• M6: 2,641,001 km (0.053 R)
• M7: 3,379,266 km (0.096 R)
• M8: 4,429,443 km (0.115 R)
• M9: 5,530,633 km (0.055 R)
• M10: 6,293,582 km (0.076 R)
• M11: 7,124,898 km (0.094 R)
• M12: 7,567,259 km (0.074 R)
• M13: 9,090,015 km (0.1 R)
• M14: 9,655,047 km (0.102 R)
• M15: 10,105,486 km (0.085 R)
• M16: 10,855,270 km (0.088 R)
• M17: 11,541,476 km (0.072 R)
• M18: 12,518,499 km (0.111 R)
• M19: 15,473,955 km (0.06 R)
• M20: 15,842,415 km (0.074 R)
• M21: 16,216,858 km (0.069 R)
• M22: 17,974,932 km (0.117 R)
• M23: 18,519,468 km (0.092 R)
• M24: 19,215,547 km (0.067 R)
• M25: 19,712,960 km (0.029 R)
• M26: 23,119,005 km (0.048 R)
• M27: 30,587,379 km (0.102 R)
• M28: 32,753,556 km (0.106 R)
• M29: 34,600,342 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.9

Radius: 5.9

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.44 AU - 9.72 AU

Year: 18246 Days

Day: 17.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,614,681 km

• M1: 73,303 km (0.114 R)
• M2: 300,243 km (0.073 R)
• M3: 575,054 km (0.086 R)
• M4: 1,012,030 km (0.113 R)
• M5: 1,209,200 km (0.068 R)
• M6: 2,017,178 km (0.101 R)
• M7: 3,732,317 km (0.117 R)
• M8: 5,211,092 km (0.073 R)
• M9: 6,001,268 km (0.092 R)
• M10: 7,219,892 km (0.11 R)
• M11: 9,477,773 km (0.082 R)
• M12: 10,534,084 km (0.104 R)
• M13: 11,977,853 km (0.036 R)
• M14: 12,230,673 km (0.061 R)
• M15: 13,345,028 km (0.062 R)
• M16: 13,616,847 km (0.118 R)
• M17: 14,031,383 km (0.066 R)
• M18: 16,934,030 km (0.087 R)
• M19: 17,494,125 km (0.118 R)
• M20: 18,820,908 km (0.047 R)
• M21: 22,143,327 km (0.072 R)
• M22: 22,620,395 km (0.083 R)
• M23: 25,315,400 km (0.082 R)
• M24: 26,686,166 km (0.097 R)
• M25: 30,739,221 km (0.041 R)
• M26: 33,783,388 km (0.096 R)
• M27: 34,415,439 km (0.068 R)
• M28: 39,339,752 km (0.101 R)
• M29: 43,661,635 km (0.067 R)
• M30: 44,110,428 km (0.102 R)
• M31: 47,024,894 km (0.072 R)
• M32: 48,769,504 km (0.073 R)
• M33: 51,549,930 km (0.092 R)
• M34: 53,404,345 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.7

Radius: 7.3

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.02 AU - 11.78 AU

Year: 20772 Days

Day: 23.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,614,681 km

• M1: 90,956 km (0.109 R)
• M2: 345,421 km (0.065 R)
• M3: 1,161,029 km (0.097 R)
• M4: 1,610,271 km (0.029 R)
• M5: 2,191,758 km (0.073 R)
• M6: 2,701,438 km (0.072 R)
• M7: 4,673,886 km (0.064 R)
• M8: 5,238,319 km (0.107 R)
• M9: 6,190,958 km (0.11 R)
• M10: 9,502,158 km (0.105 R)
• M11: 11,632,880 km (0.089 R)
• M12: 12,315,645 km (0.092 R)
• M13: 16,135,776 km (0.109 R)
• M14: 19,142,544 km (0.109 R)
• M15: 22,922,882 km (0.106 R)
• M16: 24,875,732 km (0.095 R)
• M17: 26,819,607 km (0.067 R)
• M18: 38,520,105 km (0.096 R)
• M19: 41,115,180 km (0.041 R)
• M20: 46,650,450 km (0.054 R)
• M21: 51,384,924 km (0.091 R)
• M22: 57,009,953 km (0.093 R)
• M23: 58,774,311 km (0.028 R)
• M24: 64,706,614 km (0.096 R)
• M25: 69,022,513 km (0.05 R)
• M26: 70,353,784 km (0.089 R)
• M27: 72,382,631 km (0.092 R)
• M28: 72,838,754 km (0.054 R)
• M29: 73,067,490 km (0.06 R)
• M30: 79,912,191 km (0.071 R)
• M31: 83,364,311 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 14,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit