🌌 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: 956.4

Radius: 8.4

Gravity: 13.55 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.46 AU - 0.58 AU

Year: 250 Days

Day: 13.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,414,780 km

• M1: 105,466 km (0.099 R)
• M2: 378,333 km (0.079 R)
• M3: 723,156 km (0.049 R)
• M4: 1,042,697 km (0.095 R)
• M5: 1,374,056 km (0.06 R)
• M6: 1,679,834 km (0.084 R)
• M7: 2,008,202 km (0.106 R)
• M8: 2,413,762 km (0.08 R)
• M9: 3,072,740 km (0.117 R)
• M10: 3,335,434 km (0.049 R)
• M11: 3,601,718 km (0.055 R)
• M12: 3,906,449 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.6

Radius: 14

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.6 AU - 0.7 AU

Year: 349 Days

Day: 7.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,414,780 km

• M1: 176,525 km (0.072 R)
• M2: 624,122 km (0.074 R)
• M3: 1,263,803 km (0.036 R)
• M4: 1,888,673 km (0.11 R)
• M5: 2,744,373 km (0.047 R)
• M6: 3,294,893 km (0.092 R)
• M7: 4,106,013 km (0.104 R)
• M8: 4,858,939 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 11

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.62 AU - 0.96 AU

Year: 468 Days

Day: 8.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 156.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,414,780 km

• M1: 136,732 km (0.091 R)
• M2: 503,995 km (0.075 R)
• M3: 896,540 km (0.066 R)
• M4: 1,242,111 km (0.086 R)
• M5: 1,773,782 km (0.09 R)
• M6: 2,333,727 km (0.085 R)
• M7: 2,756,640 km (0.079 R)
• M8: 3,683,249 km (0.059 R)
• M9: 4,371,399 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.7

Radius: 11

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.47 AU - 1.63 AU

Year: 1287 Days

Day: 11 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,414,780 km

• M1: 136,732 km (0.115 R)
• M2: 495,618 km (0.062 R)
• M3: 1,335,759 km (0.028 R)
• M4: 1,764,956 km (0.086 R)
• M5: 2,123,991 km (0.117 R)
• M6: 2,519,677 km (0.053 R)
• M7: 2,950,220 km (0.112 R)
• M8: 3,755,804 km (0.09 R)
• M9: 4,489,432 km (0.082 R)
• M10: 6,006,355 km (0.07 R)
• M11: 7,139,558 km (0.074 R)
• M12: 8,497,757 km (0.082 R)
• M13: 9,099,141 km (0.104 R)
• M14: 9,568,429 km (0.098 R)
• M15: 10,153,058 km (0.101 R)
• M16: 11,286,561 km (0.103 R)
• M17: 11,755,700 km (0.074 R)
• M18: 12,388,648 km (0.036 R)
• M19: 12,965,797 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.2

Radius: 8.2

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.52 AU - 2.44 AU

Year: 1858 Days

Day: 9.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,414,780 km

• M1: 102,026 km (0.111 R)
• M2: 382,223 km (0.099 R)
• M3: 690,544 km (0.113 R)
• M4: 1,089,372 km (0.084 R)
• M5: 1,402,330 km (0.115 R)
• M6: 2,039,617 km (0.092 R)
• M7: 2,304,106 km (0.097 R)
• M8: 2,766,663 km (0.103 R)
• M9: 3,222,937 km (0.119 R)
• M10: 3,530,809 km (0.046 R)
• M11: 4,659,375 km (0.1 R)
• M12: 5,688,160 km (0.091 R)
• M13: 6,243,018 km (0.078 R)
• M14: 7,549,008 km (0.104 R)
• M15: 8,032,508 km (0.049 R)
• M16: 8,633,443 km (0.07 R)
• M17: 11,301,222 km (0.066 R)
• M18: 11,773,801 km (0.117 R)
• M19: 12,970,435 km (0.1 R)
• M20: 13,576,306 km (0.079 R)
• M21: 13,930,853 km (0.092 R)
• M22: 17,198,968 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.3

Radius: 3.1

Gravity: 38.01 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.07 AU - 6.39 AU

Year: 10370 Days

Day: 18.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,414,780 km

• M1: 38,596 km (0.1 R)
• M2: 207,642 km (0.109 R)
• M3: 510,129 km (0.092 R)
• M4: 630,854 km (0.088 R)
• M5: 848,070 km (0.059 R)
• M6: 2,170,216 km (0.105 R)
• M7: 3,092,637 km (0.111 R)
• M8: 3,450,624 km (0.119 R)
• M9: 4,410,893 km (0.038 R)
• M10: 6,408,025 km (0.113 R)
• M11: 6,730,109 km (0.115 R)
• M12: 7,841,023 km (0.076 R)
• M13: 8,085,316 km (0.107 R)
• M14: 9,704,863 km (0.108 R)
• M15: 10,370,124 km (0.097 R)
• M16: 12,273,907 km (0.119 R)
• M17: 14,458,933 km (0.03 R)
• M18: 17,024,537 km (0.063 R)
• M19: 17,228,439 km (0.106 R)
• M20: 19,063,705 km (0.087 R)
• M21: 20,179,556 km (0.119 R)
• M22: 21,103,173 km (0.045 R)
• M23: 21,575,304 km (0.089 R)
• M24: 23,957,052 km (0.043 R)
• M25: 25,079,485 km (0.033 R)
• M26: 25,966,301 km (0.054 R)
• M27: 26,146,117 km (0.068 R)
• M28: 26,690,654 km (0.067 R)
• M29: 27,242,670 km (0.118 R)
• M30: 36,012,396 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51

Radius: 3.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.79 AU - 7.75 AU

Year: 10470 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,414,780 km

• M1: 43,533 km (0.08 R)
• M2: 643,869 km (0.053 R)
• M3: 762,351 km (0.092 R)
• M4: 902,973 km (0.045 R)
• M5: 1,044,193 km (0.092 R)
• M6: 1,255,425 km (0.119 R)
• M7: 1,391,410 km (0.115 R)
• M8: 1,921,585 km (0.062 R)
• M9: 2,795,685 km (0.094 R)
• M10: 3,628,945 km (0.11 R)
• M11: 3,746,080 km (0.113 R)
• M12: 5,256,121 km (0.091 R)
• M13: 5,741,417 km (0.051 R)
• M14: 6,283,709 km (0.108 R)
• M15: 8,450,933 km (0.043 R)
• M16: 9,441,870 km (0.108 R)
• M17: 9,889,466 km (0.11 R)
• M18: 12,695,474 km (0.044 R)
• M19: 13,658,884 km (0.111 R)
• M20: 13,847,826 km (0.1 R)
• M21: 14,719,383 km (0.095 R)
• M22: 15,575,532 km (0.117 R)
• M23: 17,057,149 km (0.085 R)
• M24: 17,441,765 km (0.098 R)
• M25: 20,358,625 km (0.031 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.6

Radius: 7.1

Gravity: 13.86 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.4 AU - 7.82 AU

Year: 12643 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,414,780 km

• M1: 88,562 km (0.117 R)
• M2: 350,657 km (0.096 R)
• M3: 587,920 km (0.073 R)
• M4: 1,033,272 km (0.078 R)
• M5: 3,941,754 km (0.056 R)
• M6: 5,018,261 km (0.114 R)
• M7: 5,570,576 km (0.116 R)
• M8: 5,824,743 km (0.118 R)
• M9: 6,755,391 km (0.09 R)
• M10: 7,170,974 km (0.053 R)
• M11: 7,603,611 km (0.042 R)
• M12: 10,518,974 km (0.092 R)
• M13: 11,597,276 km (0.062 R)
• M14: 12,935,578 km (0.1 R)
• M15: 15,915,867 km (0.106 R)
• M16: 17,104,273 km (0.106 R)
• M17: 18,033,575 km (0.078 R)
• M18: 18,833,474 km (0.088 R)
• M19: 20,503,585 km (0.042 R)
• M20: 20,849,156 km (0.076 R)
• M21: 21,198,617 km (0.12 R)
• M22: 22,270,336 km (0.075 R)
• M23: 24,040,378 km (0.051 R)
• M24: 32,409,780 km (0.115 R)
• M25: 35,291,933 km (0.051 R)
• M26: 36,795,092 km (0.061 R)
• M27: 38,996,874 km (0.111 R)
• M28: 39,660,789 km (0.105 R)
• M29: 41,559,934 km (0.085 R)
• M30: 47,318,854 km (0.05 R)
• M31: 48,837,422 km (0.045 R)
• M32: 54,079,032 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.5

Radius: 4.5

Gravity: 40.07 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.84 AU - 9.58 AU

Year: 14276 Days

Day: 20.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 76,414,780 km

• M1: 59,839 km (0.029 R)
• M2: 221,106 km (0.051 R)
• M3: 482,902 km (0.057 R)
• M4: 650,900 km (0.101 R)
• M5: 944,112 km (0.036 R)
• M6: 1,739,075 km (0.033 R)
• M7: 2,581,162 km (0.063 R)
• M8: 2,954,708 km (0.097 R)
• M9: 3,693,871 km (0.081 R)
• M10: 4,748,386 km (0.101 R)
• M11: 5,417,687 km (0.052 R)
• M12: 5,794,225 km (0.064 R)
• M13: 6,228,358 km (0.11 R)
• M14: 7,072,838 km (0.064 R)
• M15: 7,661,057 km (0.112 R)
• M16: 7,848,503 km (0.058 R)
• M17: 10,687,122 km (0.105 R)
• M18: 13,453,486 km (0.106 R)
• M19: 13,657,837 km (0.084 R)
• M20: 14,567,541 km (0.067 R)
• M21: 16,274,603 km (0.049 R)
• M22: 16,428,988 km (0.05 R)
• M23: 16,740,899 km (0.088 R)
• M24: 19,466,124 km (0.074 R)
• M25: 21,531,322 km (0.086 R)
• M26: 23,343,850 km (0.115 R)
• M27: 23,639,007 km (0.069 R)
• M28: 28,259,487 km (0.091 R)
• M29: 28,482,687 km (0.115 R)
• M30: 29,616,638 km (0.06 R)
• M31: 31,974,151 km (0.091 R)
• M32: 36,792,400 km (0.115 R)
• M33: 39,651,963 km (0.083 R)
• M34: 42,072,606 km (0.062 R)
• M35: 42,949,997 km (0.114 R)
• M36: 45,808,663 km (0.094 R)
• M37: 50,740,755 km (0.073 R)
• M38: 51,734,534 km (0.096 R)
• M39: 51,901,485 km (0.117 R)
• M40: 54,448,090 km (0.102 R)
• M41: 54,967,194 km (0.115 R)
• M42: 63,727,795 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.1

Radius: 5.5

Gravity: 21.46 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.93 AU - 10.81 AU

Year: 20678 Days

Day: 21.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,414,780 km

• M1: 68,366 km (0.116 R)
• M2: 341,831 km (0.079 R)
• M3: 775,515 km (0.112 R)
• M4: 1,892,114 km (0.098 R)
• M5: 2,887,538 km (0.107 R)
• M6: 4,257,705 km (0.098 R)
• M7: 4,632,148 km (0.093 R)
• M8: 6,054,226 km (0.065 R)
• M9: 6,439,740 km (0.076 R)
• M10: 6,705,874 km (0.09 R)
• M11: 7,355,129 km (0.095 R)
• M12: 8,250,622 km (0.072 R)
• M13: 8,564,628 km (0.057 R)
• M14: 9,784,449 km (0.099 R)
• M15: 10,679,942 km (0.069 R)
• M16: 11,370,336 km (0.118 R)
• M17: 12,632,493 km (0.098 R)
• M18: 12,979,560 km (0.115 R)
• M19: 14,431,707 km (0.026 R)
• M20: 15,196,900 km (0.1 R)
• M21: 15,908,387 km (0.038 R)
• M22: 16,394,879 km (0.094 R)
• M23: 17,058,944 km (0.065 R)
• M24: 20,554,897 km (0.109 R)
• M25: 25,367,610 km (0.088 R)
• M26: 33,715,022 km (0.1 R)
• M27: 34,923,025 km (0.076 R)
• M28: 36,298,727 km (0.11 R)
• M29: 36,999,892 km (0.09 R)
• M30: 37,567,316 km (0.103 R)
• M31: 38,429,449 km (0.084 R)
• M32: 43,880,197 km (0.047 R)
• M33: 47,619,695 km (0.044 R)
• M34: 49,996,805 km (0.119 R)
• M35: 50,342,675 km (0.116 R)
• M36: 51,039,353 km (0.082 R)
• M37: 57,222,382 km (0.059 R)
• M38: 59,906,916 km (0.118 R)
• M39: 61,676,509 km (0.074 R)
• M40: 74,371,983 km (0.228 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 11,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit