🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.5

Radius: 11.6

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.66 AU - 0.78 AU

Year: 422 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,467,610 km

• M1: 144,212 km (0.075 R)
• M2: 571,314 km (0.047 R)
• M3: 1,136,495 km (0.108 R)
• M4: 1,497,325 km (0.097 R)
• M5: 2,009,399 km (0.075 R)
• M6: 2,707,123 km (0.105 R)
• M7: 3,102,211 km (0.073 R)
• M8: 3,499,244 km (0.04 R)
• M9: 4,354,046 km (0.113 R)
• M10: 5,197,778 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.2

Radius: 8.1

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.92 AU - 2.62 AU

Year: 2361 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,467,610 km

• M1: 101,727 km (0.063 R)
• M2: 378,782 km (0.11 R)
• M3: 870,360 km (0.111 R)
• M4: 1,162,824 km (0.099 R)
• M5: 1,593,367 km (0.083 R)
• M6: 1,858,155 km (0.083 R)
• M7: 2,139,698 km (0.116 R)
• M8: 3,110,738 km (0.076 R)
• M9: 3,528,565 km (0.049 R)
• M10: 4,022,986 km (0.102 R)
• M11: 4,328,764 km (0.07 R)
• M12: 4,827,822 km (0.066 R)
• M13: 5,079,895 km (0.083 R)
• M14: 5,560,553 km (0.052 R)
• M15: 6,230,602 km (0.102 R)
• M16: 7,637,869 km (0.107 R)
• M17: 7,980,897 km (0.085 R)
• M18: 8,664,409 km (0.083 R)
• M19: 10,677,548 km (0.105 R)
• M20: 11,225,974 km (0.093 R)
• M21: 11,958,405 km (0.069 R)
• M22: 12,336,289 km (0.103 R)
• M23: 14,066,987 km (0.077 R)
• M24: 14,441,131 km (0.092 R)
• M25: 14,821,858 km (0.106 R)
• M26: 15,553,691 km (0.119 R)
• M27: 16,515,007 km (0.101 R)
• M28: 17,036,654 km (0.109 R)
• M29: 17,515,367 km (0.112 R)
• M30: 18,779,769 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.1

Radius: 11.1

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.09 AU - 5.61 AU

Year: 7373 Days

Day: 8.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,467,610 km

• M1: 138,079 km (0.074 R)
• M2: 533,316 km (0.053 R)
• M3: 1,097,300 km (0.119 R)
• M4: 1,465,910 km (0.087 R)
• M5: 3,496,850 km (0.084 R)
• M6: 3,843,319 km (0.113 R)
• M7: 5,316,110 km (0.108 R)
• M8: 6,032,684 km (0.096 R)
• M9: 7,581,770 km (0.106 R)
• M10: 8,246,283 km (0.057 R)
• M11: 8,613,546 km (0.06 R)
• M12: 12,218,855 km (0.054 R)
• M13: 13,634,350 km (0.108 R)
• M14: 18,605,188 km (0.08 R)
• M15: 19,167,526 km (0.086 R)
• M16: 20,252,709 km (0.087 R)
• M17: 21,762,451 km (0.104 R)
• M18: 23,835,878 km (0.102 R)
• M19: 24,835,790 km (0.088 R)
• M20: 26,741,517 km (0.095 R)
• M21: 28,187,380 km (0.03 R)
• M22: 34,599,893 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.2

Radius: 5.5

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.52 AU - 7.78 AU

Year: 14605 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,467,610 km

• M1: 69,563 km (0.096 R)
• M2: 283,638 km (0.08 R)
• M3: 705,055 km (0.118 R)
• M4: 1,159,084 km (0.079 R)
• M5: 1,478,177 km (0.04 R)
• M6: 2,605,696 km (0.057 R)
• M7: 4,506,337 km (0.044 R)
• M8: 5,260,160 km (0.117 R)
• M9: 5,563,545 km (0.074 R)
• M10: 6,279,371 km (0.058 R)
• M11: 7,014,794 km (0.094 R)
• M12: 8,747,735 km (0.057 R)
• M13: 12,257,601 km (0.119 R)
• M14: 13,216,373 km (0.066 R)
• M15: 14,031,383 km (0.109 R)
• M16: 14,483,767 km (0.076 R)
• M17: 14,746,760 km (0.118 R)
• M18: 15,969,274 km (0.092 R)
• M19: 16,320,529 km (0.099 R)
• M20: 19,318,620 km (0.052 R)
• M21: 23,377,061 km (0.104 R)
• M22: 24,104,406 km (0.098 R)
• M23: 25,988,740 km (0.109 R)
• M24: 26,377,097 km (0.119 R)
• M25: 27,969,117 km (0.061 R)
• M26: 29,100,077 km (0.088 R)
• M27: 29,624,118 km (0.119 R)
• M28: 30,691,050 km (0.077 R)
• M29: 30,907,369 km (0.101 R)
• M30: 31,672,861 km (0.086 R)
• M31: 32,450,920 km (0.068 R)
• M32: 33,127,850 km (0.107 R)
• M33: 34,509,985 km (0.025 R)
• M34: 35,097,007 km (0.112 R)
• M35: 36,291,097 km (0.096 R)
• M36: 37,265,727 km (0.074 R)
• M37: 46,264,189 km (0.036 R)
• M38: 48,573,681 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.7

Radius: 6.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.92 AU - 9.6 AU

Year: 14921 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,467,610 km

• M1: 84,672 km (0.108 R)
• M2: 372,798 km (0.11 R)
• M3: 1,072,168 km (0.111 R)
• M4: 2,104,543 km (0.112 R)
• M5: 2,759,632 km (0.065 R)
• M6: 3,519,888 km (0.054 R)
• M7: 3,973,768 km (0.106 R)
• M8: 4,332,504 km (0.116 R)
• M9: 5,085,430 km (0.099 R)
• M10: 5,793,028 km (0.096 R)
• M11: 9,737,475 km (0.089 R)
• M12: 10,295,176 km (0.114 R)
• M13: 10,775,983 km (0.105 R)
• M14: 11,834,239 km (0.112 R)
• M15: 16,438,562 km (0.056 R)
• M16: 20,870,997 km (0.098 R)
• M17: 22,349,623 km (0.101 R)
• M18: 24,569,057 km (0.109 R)
• M19: 26,039,454 km (0.103 R)
• M20: 26,482,862 km (0.081 R)
• M21: 27,202,727 km (0.11 R)
• M22: 28,028,208 km (0.034 R)
• M23: 29,440,861 km (0.096 R)
• M24: 31,798,673 km (0.115 R)
• M25: 33,023,580 km (0.105 R)
• M26: 33,647,703 km (0.116 R)
• M27: 34,068,073 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.8

Radius: 7

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.03 AU - 10.45 AU

Year: 19387 Days

Day: 21.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,467,610 km

• M1: 87,066 km (0.111 R)
• M2: 1,490,892 km (0.081 R)
• M3: 1,991,596 km (0.106 R)
• M4: 2,542,715 km (0.118 R)
• M5: 4,335,795 km (0.074 R)
• M6: 6,515,137 km (0.093 R)
• M7: 6,840,063 km (0.057 R)
• M8: 9,155,539 km (0.1 R)
• M9: 9,889,167 km (0.115 R)
• M10: 10,270,492 km (0.096 R)
• M11: 12,162,606 km (0.113 R)
• M12: 17,572,963 km (0.054 R)
• M13: 23,293,884 km (0.092 R)
• M14: 23,883,898 km (0.108 R)
• M15: 24,483,786 km (0.052 R)
• M16: 30,542,649 km (0.116 R)
• M17: 37,300,135 km (0.059 R)
• M18: 39,637,452 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.7

Radius: 4.9

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.59 AU - 11.01 AU

Year: 19577 Days

Day: 20.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,467,610 km

• M1: 61,186 km (0.091 R)
• M2: 270,024 km (0.095 R)
• M3: 655,388 km (0.115 R)
• M4: 809,324 km (0.092 R)
• M5: 1,181,374 km (0.117 R)
• M6: 1,412,952 km (0.053 R)
• M7: 2,118,156 km (0.068 R)
• M8: 3,999,050 km (0.064 R)
• M9: 4,296,900 km (0.113 R)
• M10: 5,122,381 km (0.088 R)
• M11: 7,804,222 km (0.084 R)
• M12: 8,013,509 km (0.08 R)
• M13: 13,561,047 km (0.077 R)
• M14: 13,802,947 km (0.067 R)
• M15: 14,047,539 km (0.101 R)
• M16: 17,568,325 km (0.112 R)
• M17: 18,513,784 km (0.118 R)
• M18: 22,805,747 km (0.106 R)
• M19: 23,754,496 km (0.078 R)
• M20: 30,210,991 km (0.078 R)
• M21: 42,713,782 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.1

Radius: 6.3

Gravity: 23.74 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.76 AU - 11.52 AU

Year: 20660 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 86,467,610 km

• M1: 80,035 km (0.105 R)
• M2: 358,436 km (0.071 R)
• M3: 844,630 km (0.107 R)
• M4: 1,129,464 km (0.081 R)
• M5: 1,428,211 km (0.051 R)
• M6: 2,529,401 km (0.108 R)
• M7: 3,503,881 km (0.054 R)
• M8: 3,719,153 km (0.116 R)
• M9: 4,176,473 km (0.064 R)
• M10: 5,945,618 km (0.052 R)
• M11: 6,297,622 km (0.057 R)
• M12: 6,570,638 km (0.119 R)
• M13: 6,851,433 km (0.071 R)
• M14: 7,238,443 km (0.118 R)
• M15: 7,691,126 km (0.038 R)
• M16: 8,432,383 km (0.107 R)
• M17: 10,556,224 km (0.057 R)
• M18: 11,878,370 km (0.111 R)
• M19: 12,155,425 km (0.114 R)
• M20: 12,507,878 km (0.095 R)
• M21: 14,062,948 km (0.09 R)
• M22: 14,767,255 km (0.06 R)
• M23: 15,249,708 km (0.118 R)
• M24: 15,659,756 km (0.087 R)
• M25: 16,076,984 km (0.09 R)
• M26: 18,645,280 km (0.12 R)
• M27: 22,831,029 km (0.097 R)
• M28: 24,022,725 km (0.084 R)
• M29: 26,529,238 km (0.111 R)
• M30: 28,089,394 km (0.09 R)
• M31: 31,128,774 km (0.105 R)
• M32: 31,391,617 km (0.119 R)
• M33: 43,485,558 km (0.119 R)
• M34: 43,978,782 km (0.065 R)
• M35: 49,653,328 km (0.083 R)
• M36: 51,648,216 km (0.1 R)
• M37: 55,218,668 km (0.068 R)
• M38: 60,775,033 km (0.072 R)
• M39: 62,220,148 km (0.1 R)
• M40: 76,033,267 km (0.109 R)
• M41: 79,902,916 km (0.223 R)
• M42: 81,387,226 km (0.095 R)
• M43: 85,950,260 km (0.092 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: 340 - 14,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit