🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.6

Radius: 11.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.42 AU - 0.62 AU

Year: 254 Days

Day: 14.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,308,858 km

• M1: 138,079 km (0.087 R)
• M2: 644,617 km (0.11 R)
• M3: 1,019,809 km (0.102 R)
• M4: 1,529,339 km (0.11 R)
• M5: 1,879,099 km (0.111 R)
• M6: 2,415,407 km (0.107 R)
• M7: 2,870,185 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.2

Radius: 9.5

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.43 AU - 0.67 AU

Year: 277 Days

Day: 5.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,308,858 km

• M1: 118,182 km (0.116 R)
• M2: 414,386 km (0.039 R)
• M3: 749,785 km (0.059 R)
• M4: 1,221,018 km (0.087 R)
• M5: 1,697,487 km (0.06 R)
• M6: 2,294,532 km (0.109 R)
• M7: 2,629,033 km (0.112 R)
• M8: 3,187,332 km (0.119 R)
• M9: 3,650,786 km (0.033 R)
• M10: 4,133,988 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.7

Radius: 12.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.63 AU - 0.67 AU

Year: 355 Days

Day: 11.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,308,858 km

• M1: 159,172 km (0.114 R)
• M2: 602,879 km (0.112 R)
• M3: 1,007,990 km (0.108 R)
• M4: 1,407,716 km (0.118 R)
• M5: 1,863,092 km (0.117 R)
• M6: 2,330,735 km (0.108 R)
• M7: 3,254,801 km (0.067 R)
• M8: 3,774,354 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.7

Radius: 14.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.49 AU - 2.01 AU

Year: 1570 Days

Day: 6.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,308,858 km

• M1: 179,069 km (0.073 R)
• M2: 695,032 km (0.081 R)
• M3: 1,539,362 km (0.093 R)
• M4: 2,106,338 km (0.117 R)
• M5: 2,968,919 km (0.101 R)
• M6: 3,531,557 km (0.094 R)
• M7: 4,041,536 km (0.051 R)
• M8: 4,534,461 km (0.106 R)
• M9: 5,067,478 km (0.1 R)
• M10: 6,076,666 km (0.074 R)
• M11: 6,554,631 km (0.113 R)
• M12: 7,284,519 km (0.089 R)
• M13: 8,391,842 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.9

Radius: 10.8

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.75 AU - 5.97 AU

Year: 7267 Days

Day: 10.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,308,858 km

• M1: 136,882 km (0.097 R)
• M2: 912,248 km (0.119 R)
• M3: 1,511,537 km (0.052 R)
• M4: 1,962,724 km (0.081 R)
• M5: 2,412,415 km (0.052 R)
• M6: 2,950,968 km (0.112 R)
• M7: 4,431,687 km (0.092 R)
• M8: 4,971,736 km (0.027 R)
• M9: 5,619,494 km (0.111 R)
• M10: 6,047,943 km (0.106 R)
• M11: 6,462,778 km (0.067 R)
• M12: 7,158,557 km (0.115 R)
• M13: 8,656,331 km (0.077 R)
• M14: 9,410,454 km (0.077 R)
• M15: 10,797,226 km (0.097 R)
• M16: 12,702,954 km (0.099 R)
• M17: 14,699,487 km (0.105 R)
• M18: 15,387,936 km (0.108 R)
• M19: 15,837,179 km (0.09 R)
• M20: 19,978,945 km (0.06 R)
• M21: 33,861,927 km (0.078 R)
• M22: 37,432,828 km (0.093 R)
• M23: 38,363,327 km (0.029 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.6

Radius: 4.6

Gravity: 21.11 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.02 AU - 9.3 AU

Year: 17285 Days

Day: 18.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 83,308,858 km

• M1: 58,194 km (0.1 R)
• M2: 207,642 km (0.116 R)
• M3: 406,009 km (0.111 R)
• M4: 595,400 km (0.116 R)
• M5: 1,195,586 km (0.078 R)
• M6: 1,608,177 km (0.079 R)
• M7: 2,091,378 km (0.098 R)
• M8: 3,185,836 km (0.094 R)
• M9: 3,417,115 km (0.115 R)
• M10: 4,331,756 km (0.111 R)
• M11: 5,690,703 km (0.118 R)
• M12: 6,922,342 km (0.06 R)
• M13: 7,136,417 km (0.089 R)
• M14: 9,011,327 km (0.107 R)
• M15: 12,654,933 km (0.107 R)
• M16: 13,300,747 km (0.09 R)
• M17: 14,798,670 km (0.104 R)
• M18: 18,206,061 km (0.072 R)
• M19: 19,533,443 km (0.111 R)
• M20: 19,703,835 km (0.078 R)
• M21: 20,133,929 km (0.086 R)
• M22: 22,379,393 km (0.099 R)
• M23: 24,686,940 km (0.074 R)
• M24: 25,287,575 km (0.082 R)
• M25: 30,107,020 km (0.119 R)
• M26: 30,907,818 km (0.113 R)
• M27: 32,194,659 km (0.044 R)
• M28: 33,031,958 km (0.099 R)
• M29: 33,516,805 km (0.101 R)
• M30: 33,883,619 km (0.087 R)
• M31: 36,269,106 km (0.118 R)
• M32: 38,764,099 km (0.092 R)
• M33: 41,511,464 km (0.099 R)
• M34: 42,360,432 km (0.08 R)
• M35: 46,626,814 km (0.065 R)
• M36: 47,852,320 km (0.037 R)
• M37: 51,657,342 km (0.115 R)
• M38: 52,803,860 km (0.108 R)
• M39: 53,800,181 km (0.12 R)
• M40: 54,978,265 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.3

Radius: 6.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.96 AU - 9.62 AU

Year: 17676 Days

Day: 23.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,308,858 km

• M1: 85,869 km (0.039 R)
• M2: 635,641 km (0.082 R)
• M3: 1,125,574 km (0.064 R)
• M4: 2,025,555 km (0.081 R)
• M5: 2,624,545 km (0.098 R)
• M6: 3,010,059 km (0.088 R)
• M7: 3,658,566 km (0.097 R)
• M8: 4,455,025 km (0.102 R)
• M9: 5,100,240 km (0.1 R)
• M10: 5,563,844 km (0.094 R)
• M11: 7,043,965 km (0.093 R)
• M12: 7,368,742 km (0.111 R)
• M13: 9,680,029 km (0.113 R)
• M14: 10,030,986 km (0.082 R)
• M15: 10,338,559 km (0.105 R)
• M16: 12,201,801 km (0.086 R)
• M17: 15,603,806 km (0.112 R)
• M18: 17,668,705 km (0.113 R)
• M19: 18,960,333 km (0.096 R)
• M20: 25,132,592 km (0.094 R)
• M21: 26,665,671 km (0.117 R)
• M22: 27,256,283 km (0.106 R)
• M23: 31,637,556 km (0.109 R)
• M24: 31,857,166 km (0.06 R)
• M25: 32,299,527 km (0.079 R)
• M26: 32,745,927 km (0.077 R)
• M27: 38,677,931 km (0.111 R)
• M28: 40,201,137 km (0.087 R)
• M29: 42,028,175 km (0.083 R)
• M30: 48,275,233 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.3

Radius: 3.9

Gravity: 45.32 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.74 AU - 11.2 AU

Year: 22978 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,308,858 km

• M1: 49,218 km (0.102 R)
• M2: 182,360 km (0.089 R)
• M3: 372,050 km (0.049 R)
• M4: 747,840 km (0.104 R)
• M5: 879,336 km (0.115 R)
• M6: 1,569,132 km (0.113 R)
• M7: 1,963,322 km (0.092 R)
• M8: 3,163,097 km (0.1 R)
• M9: 4,146,853 km (0.088 R)
• M10: 5,122,381 km (0.101 R)
• M11: 5,684,121 km (0.076 R)
• M12: 6,109,876 km (0.102 R)
• M13: 11,136,963 km (0.112 R)
• M14: 12,705,796 km (0.051 R)
• M15: 13,654,845 km (0.031 R)
• M16: 16,023,129 km (0.076 R)
• M17: 19,303,511 km (0.097 R)
• M18: 31,248,751 km (0.058 R)
• M19: 34,335,404 km (0.109 R)
• M20: 35,313,625 km (0.057 R)
• M21: 35,454,845 km (0.097 R)
• M22: 37,619,077 km (0.105 R)
• M23: 55,283,744 km (0.086 R)
• M24: 58,977,913 km (0.087 R)
• M25: 59,176,729 km (0.111 R)
• M26: 62,833,050 km (0.064 R)
• M27: 77,050,234 km (0.076 R)
• M28: 79,448,736 km (0.097 R)
• M29: 79,691,384 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.4

Radius: 4.3

Gravity: 36.42 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.88 AU - 13.14 AU

Year: 23110 Days

Day: 20.1 Hours

Environment

Temp: -246 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,308,858 km

• M1: 55,650 km (0.116 R)
• M2: 212,279 km (0.069 R)
• M3: 455,376 km (0.108 R)
• M4: 770,728 km (0.047 R)
• M5: 1,014,573 km (0.114 R)
• M6: 1,785,002 km (0.065 R)
• M7: 2,021,666 km (0.104 R)
• M8: 2,278,974 km (0.081 R)
• M9: 2,833,084 km (0.115 R)
• M10: 3,045,364 km (0.094 R)
• M11: 4,304,828 km (0.069 R)
• M12: 8,157,273 km (0.106 R)
• M13: 8,976,171 km (0.115 R)
• M14: 9,968,753 km (0.117 R)
• M15: 10,336,016 km (0.096 R)
• M16: 11,625,251 km (0.043 R)
• M17: 12,169,787 km (0.066 R)
• M18: 14,363,340 km (0.081 R)
• M19: 17,065,527 km (0.085 R)
• M20: 17,326,874 km (0.066 R)
• M21: 19,419,449 km (0.067 R)
• M22: 20,088,152 km (0.111 R)
• M23: 22,290,083 km (0.117 R)
• M24: 27,522,717 km (0.027 R)
• M25: 32,842,118 km (0.104 R)
• M26: 33,790,569 km (0.109 R)
• M27: 40,173,461 km (0.078 R)
• M28: 47,485,955 km (0.086 R)
• M29: 48,872,428 km (0.106 R)
• M30: 53,193,562 km (0.048 R)
• M31: 53,937,512 km (0.119 R)
• M32: 54,688,494 km (0.094 R)
• M33: 54,877,436 km (0.116 R)
• M34: 60,949,164 km (0.116 R)
• M35: 64,672,207 km (0.115 R)
• M36: 71,209,334 km (0.063 R)
• M37: 78,652,876 km (0.052 R)
• M38: 79,134,581 km (0.096 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 17,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit