🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.3

Radius: 14

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.61 AU - 0.73 AU

Year: 372 Days

Day: 12.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,729,711 km

• M1: 174,132 km (0.079 R)
• M2: 698,323 km (0.086 R)
• M3: 1,149,959 km (0.095 R)
• M4: 1,749,397 km (0.091 R)
• M5: 2,338,813 km (0.058 R)
• M6: 2,945,133 km (0.106 R)
• M7: 3,679,210 km (0.11 R)
• M8: 4,247,532 km (0.067 R)
• M9: 4,918,329 km (0.094 R)
• M10: 5,388,366 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.6

Radius: 9.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.66 AU - 0.72 AU

Year: 389 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,729,711 km

• M1: 120,725 km (0.069 R)
• M2: 438,471 km (0.097 R)
• M3: 766,689 km (0.113 R)
• M4: 1,225,955 km (0.09 R)
• M5: 1,541,307 km (0.104 R)
• M6: 1,856,210 km (0.036 R)
• M7: 2,357,662 km (0.047 R)
• M8: 2,881,405 km (0.064 R)
• M9: 3,313,443 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.7

Radius: 10.1

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.61 AU - 0.87 AU

Year: 432 Days

Day: 7.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,729,711 km

• M1: 125,662 km (0.093 R)
• M2: 549,623 km (0.093 R)
• M3: 870,510 km (0.095 R)
• M4: 1,188,256 km (0.093 R)
• M5: 1,650,065 km (0.077 R)
• M6: 2,141,194 km (0.115 R)
• M7: 2,553,935 km (0.058 R)
• M8: 3,039,530 km (0.092 R)
• M9: 3,364,157 km (0.1 R)
• M10: 3,961,352 km (0.12 R)
• M11: 4,428,247 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.5

Radius: 13.4

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.99 AU - 1.23 AU

Year: 793 Days

Day: 7.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,729,711 km

• M1: 166,652 km (0.111 R)
• M2: 632,649 km (0.059 R)
• M3: 1,251,237 km (0.107 R)
• M4: 1,730,847 km (0.108 R)
• M5: 2,151,367 km (0.091 R)
• M6: 2,606,892 km (0.115 R)
• M7: 3,545,170 km (0.084 R)
• M8: 4,077,739 km (0.074 R)
• M9: 4,697,672 km (0.106 R)
• M10: 5,286,490 km (0.118 R)
• M11: 6,787,405 km (0.082 R)
• M12: 7,238,293 km (0.115 R)
• M13: 7,781,333 km (0.048 R)
• M14: 8,200,207 km (0.068 R)
• M15: 8,843,628 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 8.5

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.17 AU - 1.34 AU

Year: 948 Days

Day: 9.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,729,711 km

• M1: 106,962 km (0.118 R)
• M2: 533,017 km (0.053 R)
• M3: 849,566 km (0.119 R)
• M4: 1,984,715 km (0.027 R)
• M5: 2,304,854 km (0.045 R)
• M6: 3,175,215 km (0.079 R)
• M7: 4,601,631 km (0.109 R)
• M8: 5,820,105 km (0.072 R)
• M9: 6,806,703 km (0.118 R)
• M10: 7,439,951 km (0.044 R)
• M11: 9,457,428 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.4

Radius: 9.4

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.54 AU - 2.34 AU

Year: 1833 Days

Day: 14.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,729,711 km

• M1: 117,285 km (0.059 R)
• M2: 417,976 km (0.086 R)
• M3: 1,010,833 km (0.072 R)
• M4: 1,479,224 km (0.041 R)
• M5: 2,273,738 km (0.069 R)
• M6: 3,763,733 km (0.109 R)
• M7: 4,704,105 km (0.1 R)
• M8: 6,608,336 km (0.093 R)
• M9: 7,497,396 km (0.107 R)
• M10: 8,276,801 km (0.113 R)
• M11: 8,944,905 km (0.034 R)
• M12: 9,821,549 km (0.085 R)
• M13: 13,343,532 km (0.104 R)
• M14: 16,175,569 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.7

Radius: 5.6

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.36 AU - 7.14 AU

Year: 11895 Days

Day: 17.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 60.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,729,711 km

• M1: 69,713 km (0.112 R)
• M2: 583,282 km (0.08 R)
• M3: 851,661 km (0.093 R)
• M4: 1,189,752 km (0.118 R)
• M5: 1,474,287 km (0.116 R)
• M6: 1,860,250 km (0.113 R)
• M7: 4,229,281 km (0.113 R)
• M8: 5,873,212 km (0.062 R)
• M9: 6,096,861 km (0.083 R)
• M10: 6,561,063 km (0.091 R)
• M11: 8,095,638 km (0.098 R)
• M12: 13,327,674 km (0.117 R)
• M13: 16,006,972 km (0.086 R)
• M14: 16,633,488 km (0.105 R)
• M15: 19,233,948 km (0.071 R)
• M16: 20,157,565 km (0.107 R)
• M17: 21,036,153 km (0.112 R)
• M18: 21,409,699 km (0.069 R)
• M19: 22,712,846 km (0.041 R)
• M20: 25,223,547 km (0.117 R)
• M21: 31,076,564 km (0.12 R)
• M22: 33,956,921 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.3

Radius: 3

Gravity: 34.37 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.2 AU - 8.34 AU

Year: 14690 Days

Day: 19.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,729,711 km

• M1: 49,218 km (0.099 R)
• M2: 176,226 km (0.117 R)
• M3: 797,207 km (0.089 R)
• M4: 941,120 km (0.107 R)
• M5: 2,055,774 km (0.089 R)
• M6: 3,580,475 km (0.058 R)
• M7: 3,865,459 km (0.095 R)
• M8: 4,027,175 km (0.091 R)
• M9: 7,472,713 km (0.091 R)
• M10: 7,980,448 km (0.057 R)
• M11: 8,242,843 km (0.096 R)
• M12: 11,629,888 km (0.114 R)
• M13: 13,564,787 km (0.074 R)
• M14: 15,299,225 km (0.115 R)
• M15: 16,534,305 km (0.099 R)
• M16: 17,320,890 km (0.099 R)
• M17: 18,433,150 km (0.112 R)
• M18: 21,546,282 km (0.093 R)
• M19: 24,899,668 km (0.103 R)
• M20: 28,180,648 km (0.102 R)
• M21: 28,686,140 km (0.11 R)
• M22: 29,507,582 km (0.071 R)
• M23: 35,466,364 km (0.118 R)
• M24: 42,574,507 km (0.066 R)
• M25: 43,642,336 km (0.068 R)
• M26: 46,811,567 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934

Radius: 4.8

Gravity: 40.54 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.17 AU - 8.87 AU

Year: 16867 Days

Day: 23.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 150 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,729,711 km

• M1: 59,690 km (0.092 R)
• M2: 253,269 km (0.074 R)
• M3: 449,392 km (0.119 R)
• M4: 635,043 km (0.047 R)
• M5: 807,679 km (0.105 R)
• M6: 2,572,186 km (0.044 R)
• M7: 2,863,752 km (0.094 R)
• M8: 4,985,199 km (0.097 R)
• M9: 5,284,395 km (0.097 R)
• M10: 6,084,893 km (0.107 R)
• M11: 7,923,002 km (0.106 R)
• M12: 9,298,405 km (0.107 R)
• M13: 10,101,297 km (0.112 R)
• M14: 12,648,799 km (0.108 R)
• M15: 13,064,532 km (0.107 R)
• M16: 14,366,632 km (0.025 R)
• M17: 14,667,174 km (0.071 R)
• M18: 15,992,012 km (0.117 R)
• M19: 16,396,375 km (0.056 R)
• M20: 18,432,702 km (0.065 R)
• M21: 20,159,809 km (0.073 R)
• M22: 21,695,581 km (0.11 R)
• M23: 23,932,069 km (0.052 R)
• M24: 25,432,536 km (0.077 R)
• M25: 27,108,630 km (0.05 R)
• M26: 32,835,237 km (0.109 R)
• M27: 39,317,761 km (0.088 R)
• M28: 44,823,711 km (0.053 R)
• M29: 46,931,844 km (0.075 R)
• M30: 49,958,658 km (0.053 R)
• M31: 53,651,182 km (0.034 R)
• M32: 60,397,448 km (0.056 R)
• M33: 61,771,654 km (0.067 R)
• M34: 67,897,686 km (0.07 R)
• M35: 73,080,654 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.3

Radius: 4.9

Gravity: 24.38 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.22 AU - 10.48 AU

Year: 19391 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,729,711 km

• M1: 61,186 km (0.034 R)
• M2: 254,915 km (0.064 R)
• M3: 426,803 km (0.087 R)
• M4: 898,485 km (0.097 R)
• M5: 1,151,904 km (0.116 R)
• M6: 2,026,752 km (0.083 R)
• M7: 2,333,428 km (0.067 R)
• M8: 4,188,740 km (0.048 R)
• M9: 5,075,407 km (0.12 R)
• M10: 5,562,797 km (0.087 R)
• M11: 8,947,598 km (0.098 R)
• M12: 9,162,271 km (0.074 R)
• M13: 12,273,159 km (0.03 R)
• M14: 15,865,901 km (0.056 R)
• M15: 18,586,339 km (0.075 R)
• M16: 21,988,643 km (0.059 R)
• M17: 23,276,232 km (0.078 R)
• M18: 28,466,081 km (0.106 R)
• M19: 29,399,871 km (0.042 R)
• M20: 40,468,468 km (0.087 R)
• M21: 41,203,143 km (0.104 R)
• M22: 42,396,934 km (0.087 R)
• M23: 48,055,773 km (0.092 R)
• M24: 55,089,865 km (0.086 R)
• M25: 55,810,777 km (0.1 R)
• M26: 58,383,411 km (0.041 R)
• M27: 59,321,091 km (0.111 R)
• M28: 59,509,734 km (0.112 R)
• M29: 69,674,909 km (0.086 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 12,563 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit