🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.4

Radius: 14.6

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.83 AU - 0.99 AU

Year: 579 Days

Day: 5.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,062,086 km

• M1: 181,612 km (0.1 R)
• M2: 829,371 km (0.094 R)
• M3: 1,357,900 km (0.074 R)
• M4: 1,843,345 km (0.069 R)
• M5: 2,537,479 km (0.114 R)
• M6: 3,314,790 km (0.091 R)
• M7: 4,058,590 km (0.118 R)
• M8: 4,977,121 km (0.031 R)
• M9: 5,717,631 km (0.058 R)
• M10: 6,630,178 km (0.059 R)
• M11: 7,248,466 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.9

Radius: 8.5

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.37 AU - 1.53 AU

Year: 1164 Days

Day: 12.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,062,086 km

• M1: 106,364 km (0.076 R)
• M2: 531,671 km (0.1 R)
• M3: 996,471 km (0.037 R)
• M4: 1,724,115 km (0.037 R)
• M5: 2,310,988 km (0.104 R)
• M6: 3,214,559 km (0.101 R)
• M7: 4,404,311 km (0.045 R)
• M8: 4,921,172 km (0.095 R)
• M9: 5,638,493 km (0.101 R)
• M10: 6,693,458 km (0.032 R)
• M11: 7,231,711 km (0.064 R)
• M12: 7,748,123 km (0.094 R)
• M13: 8,131,991 km (0.054 R)
• M14: 9,474,781 km (0.117 R)
• M15: 9,854,461 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.7

Radius: 8.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.22 AU - 1.74 AU

Year: 1201 Days

Day: 5.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,062,086 km

• M1: 105,766 km (0.072 R)
• M2: 546,032 km (0.095 R)
• M3: 865,723 km (0.058 R)
• M4: 1,166,714 km (0.109 R)
• M5: 2,253,393 km (0.118 R)
• M6: 2,792,244 km (0.11 R)
• M7: 3,197,505 km (0.102 R)
• M8: 4,028,521 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.9

Radius: 10.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.32 AU - 1.9 AU

Year: 1362 Days

Day: 13 Hours

Environment

Temp: -186 °C

Axial Tilt: 173.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,062,086 km

• M1: 135,087 km (0.067 R)
• M2: 1,534,425 km (0.117 R)
• M3: 2,362,450 km (0.091 R)
• M4: 4,727,742 km (0.037 R)
• M5: 5,172,047 km (0.085 R)
• M6: 5,819,357 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.2

Radius: 14.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.78 AU - 2.32 AU

Year: 1957 Days

Day: 7.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,062,086 km

• M1: 183,706 km (0.046 R)
• M2: 691,441 km (0.059 R)
• M3: 1,282,802 km (0.082 R)
• M4: 1,903,633 km (0.073 R)
• M5: 2,439,642 km (0.054 R)
• M6: 3,505,078 km (0.102 R)
• M7: 4,255,760 km (0.098 R)
• M8: 7,258,788 km (0.077 R)
• M9: 8,101,173 km (0.119 R)
• M10: 8,611,302 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.8

Radius: 8.7

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.2 AU - 3.24 AU

Year: 3853 Days

Day: 11.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,062,086 km

• M1: 108,159 km (0.039 R)
• M2: 628,610 km (0.065 R)
• M3: 980,016 km (0.041 R)
• M4: 1,764,507 km (0.073 R)
• M5: 2,617,364 km (0.103 R)
• M6: 3,240,739 km (0.064 R)
• M7: 3,625,804 km (0.094 R)
• M8: 4,488,086 km (0.098 R)
• M9: 6,055,871 km (0.066 R)
• M10: 8,156,226 km (0.097 R)
• M11: 9,479,568 km (0.097 R)
• M12: 10,192,402 km (0.105 R)
• M13: 10,700,436 km (0.088 R)
• M14: 11,021,324 km (0.052 R)
• M15: 11,390,083 km (0.073 R)
• M16: 12,152,284 km (0.074 R)
• M17: 13,590,817 km (0.083 R)
• M18: 14,741,823 km (0.106 R)
• M19: 16,534,903 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942

Radius: 8.3

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.62 AU - 4.2 AU

Year: 4199 Days

Day: 5.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,062,086 km

• M1: 103,223 km (0.094 R)
• M2: 520,152 km (0.096 R)
• M3: 948,301 km (0.099 R)
• M4: 1,674,000 km (0.078 R)
• M5: 2,096,614 km (0.113 R)
• M6: 2,572,036 km (0.084 R)
• M7: 3,255,399 km (0.065 R)
• M8: 3,694,170 km (0.052 R)
• M9: 4,243,344 km (0.096 R)
• M10: 4,512,769 km (0.068 R)
• M11: 4,819,744 km (0.098 R)
• M12: 5,306,236 km (0.11 R)
• M13: 5,825,341 km (0.061 R)
• M14: 6,964,529 km (0.119 R)
• M15: 7,410,331 km (0.039 R)
• M16: 7,694,118 km (0.054 R)
• M17: 8,096,087 km (0.075 R)
• M18: 11,454,410 km (0.108 R)
• M19: 12,271,663 km (0.025 R)
• M20: 12,569,363 km (0.038 R)
• M21: 12,871,700 km (0.042 R)
• M22: 13,754,926 km (0.07 R)
• M23: 16,950,935 km (0.081 R)
• M24: 17,444,608 km (0.096 R)
• M25: 21,529,677 km (0.071 R)
• M26: 23,449,466 km (0.105 R)
• M27: 23,754,646 km (0.103 R)
• M28: 24,607,653 km (0.085 R)
• M29: 26,621,839 km (0.088 R)
• M30: 27,288,896 km (0.094 R)
• M31: 28,917,867 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.2

Radius: 14.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.15 AU - 4.43 AU

Year: 5925 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,062,086 km

• M1: 180,265 km (0.06 R)
• M2: 909,854 km (0.075 R)
• M3: 1,640,041 km (0.105 R)
• M4: 2,323,853 km (0.047 R)
• M5: 2,818,125 km (0.107 R)
• M6: 3,513,755 km (0.095 R)
• M7: 4,909,054 km (0.079 R)
• M8: 5,549,034 km (0.113 R)
• M9: 6,244,365 km (0.098 R)
• M10: 7,470,170 km (0.097 R)
• M11: 8,239,701 km (0.088 R)
• M12: 9,448,751 km (0.052 R)
• M13: 11,013,545 km (0.096 R)
• M14: 11,555,089 km (0.11 R)
• M15: 14,129,818 km (0.108 R)
• M16: 14,947,819 km (0.108 R)
• M17: 16,233,912 km (0.09 R)
• M18: 16,807,171 km (0.073 R)
• M19: 19,096,019 km (0.047 R)
• M20: 22,279,611 km (0.091 R)
• M21: 23,711,711 km (0.098 R)
• M22: 27,291,140 km (0.085 R)
• M23: 28,652,480 km (0.116 R)
• M24: 33,415,826 km (0.076 R)
• M25: 34,553,518 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.5

Radius: 6.4

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.94 AU - 9.82 AU

Year: 16177 Days

Day: 24 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,062,086 km

• M1: 79,586 km (0.03 R)
• M2: 324,179 km (0.04 R)
• M3: 590,612 km (0.087 R)
• M4: 947,403 km (0.063 R)
• M5: 1,368,821 km (0.052 R)
• M6: 1,855,911 km (0.109 R)
• M7: 5,147,364 km (0.119 R)
• M8: 5,691,301 km (0.049 R)
• M9: 6,192,903 km (0.116 R)
• M10: 6,598,612 km (0.085 R)
• M11: 7,644,451 km (0.109 R)
• M12: 8,206,790 km (0.069 R)
• M13: 8,696,274 km (0.114 R)
• M14: 10,966,870 km (0.12 R)
• M15: 12,364,114 km (0.116 R)
• M16: 12,812,010 km (0.056 R)
• M17: 14,854,620 km (0.107 R)
• M18: 15,953,117 km (0.12 R)
• M19: 16,637,677 km (0.118 R)
• M20: 18,558,813 km (0.108 R)
• M21: 21,526,535 km (0.09 R)
• M22: 21,988,045 km (0.117 R)
• M23: 25,508,083 km (0.063 R)
• M24: 26,129,063 km (0.081 R)
• M25: 30,298,356 km (0.098 R)
• M26: 31,701,883 km (0.104 R)
• M27: 33,516,505 km (0.096 R)
• M28: 37,219,053 km (0.076 R)
• M29: 46,336,295 km (0.047 R)
• M30: 48,827,698 km (0.105 R)
• M31: 52,065,893 km (0.077 R)
• M32: 55,444,262 km (0.108 R)
• M33: 58,786,278 km (0.104 R)
• M34: 59,868,918 km (0.097 R)
• M35: 61,888,340 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.5

Radius: 4.7

Gravity: 30.99 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.56 AU - 9.46 AU

Year: 16555 Days

Day: 17.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,062,086 km

• M1: 58,942 km (0.113 R)
• M2: 226,940 km (0.108 R)
• M3: 423,811 km (0.055 R)
• M4: 570,716 km (0.116 R)
• M5: 752,627 km (0.084 R)
• M6: 905,965 km (0.045 R)
• M7: 1,055,862 km (0.093 R)
• M8: 1,291,329 km (0.052 R)
• M9: 1,609,523 km (0.048 R)
• M10: 1,959,583 km (0.115 R)
• M11: 2,931,221 km (0.063 R)
• M12: 3,507,771 km (0.069 R)
• M13: 3,677,265 km (0.105 R)
• M14: 4,250,973 km (0.036 R)
• M15: 5,165,764 km (0.109 R)
• M16: 6,369,877 km (0.081 R)
• M17: 6,708,717 km (0.103 R)
• M18: 7,376,222 km (0.05 R)
• M19: 8,136,030 km (0.056 R)
• M20: 8,383,764 km (0.114 R)
• M21: 9,588,775 km (0.038 R)
• M22: 10,261,367 km (0.096 R)
• M23: 11,024,765 km (0.107 R)
• M24: 11,574,986 km (0.079 R)
• M25: 17,788,234 km (0.037 R)
• M26: 18,973,648 km (0.045 R)
• M27: 21,312,909 km (0.115 R)
• M28: 24,447,434 km (0.11 R)
• M29: 27,652,568 km (0.072 R)
• M30: 31,368,430 km (0.068 R)
• M31: 32,843,614 km (0.076 R)
• M32: 43,424,223 km (0.095 R)
• M33: 49,230,415 km (0.058 R)
• M34: 51,555,765 km (0.087 R)
• M35: 62,928,943 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 20,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit