🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.42 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.3

Radius: 13.1

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.48 AU - 3.18 AU

Year: 3346 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,758,608 km

• M1: 162,912 km (0.108 R)
• M2: 577,597 km (0.118 R)
• M3: 1,135,897 km (0.057 R)
• M4: 1,773,632 km (0.09 R)
• M5: 2,505,016 km (0.118 R)
• M6: 3,601,419 km (0.116 R)
• M7: 4,132,791 km (0.071 R)
• M8: 4,801,044 km (0.079 R)
• M9: 5,354,407 km (0.103 R)
• M10: 5,925,422 km (0.111 R)
• M11: 6,885,392 km (0.027 R)
• M12: 7,417,362 km (0.081 R)
• M13: 8,438,068 km (0.095 R)
• M14: 9,213,434 km (0.066 R)
• M15: 10,356,361 km (0.07 R)
• M16: 10,869,033 km (0.078 R)
• M17: 11,360,163 km (0.049 R)
• M18: 11,985,033 km (0.111 R)
• M19: 12,632,643 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.7

Radius: 8.2

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.7 AU - 3 AU

Year: 3382 Days

Day: 7.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,758,608 km

• M1: 102,026 km (0.107 R)
• M2: 607,068 km (0.107 R)
• M3: 1,105,079 km (0.116 R)
• M4: 1,613,413 km (0.119 R)
• M5: 2,173,807 km (0.098 R)
• M6: 4,164,206 km (0.116 R)
• M7: 5,936,193 km (0.077 R)
• M8: 6,898,855 km (0.079 R)
• M9: 7,417,511 km (0.118 R)
• M10: 9,094,653 km (0.06 R)
• M11: 10,175,797 km (0.11 R)
• M12: 12,997,063 km (0.112 R)
• M13: 16,784,133 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 11

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.77 AU - 4.85 AU

Year: 7415 Days

Day: 11.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,758,608 km

• M1: 139,126 km (0.081 R)
• M2: 498,011 km (0.119 R)
• M3: 1,403,078 km (0.104 R)
• M4: 2,334,325 km (0.089 R)
• M5: 2,828,297 km (0.076 R)
• M6: 3,512,558 km (0.03 R)
• M7: 4,946,454 km (0.111 R)
• M8: 6,269,647 km (0.082 R)
• M9: 6,866,841 km (0.089 R)
• M10: 7,851,046 km (0.058 R)
• M11: 9,480,167 km (0.09 R)
• M12: 10,831,035 km (0.091 R)
• M13: 11,323,960 km (0.115 R)
• M14: 11,925,643 km (0.107 R)
• M15: 17,901,480 km (0.101 R)
• M16: 23,401,745 km (0.078 R)
• M17: 25,381,822 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.4

Radius: 9.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.84 AU - 5.82 AU

Year: 7462 Days

Day: 12.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,758,608 km

• M1: 124,166 km (0.109 R)
• M2: 532,419 km (0.111 R)
• M3: 1,290,581 km (0.053 R)
• M4: 2,442,185 km (0.078 R)
• M5: 4,782,794 km (0.097 R)
• M6: 5,559,356 km (0.094 R)
• M7: 6,815,829 km (0.086 R)
• M8: 7,328,650 km (0.046 R)
• M9: 7,867,053 km (0.117 R)
• M10: 11,311,544 km (0.092 R)
• M11: 11,712,466 km (0.078 R)
• M12: 16,656,676 km (0.11 R)
• M13: 18,613,715 km (0.099 R)
• M14: 19,807,506 km (0.076 R)
• M15: 20,130,039 km (0.036 R)
• M16: 20,719,305 km (0.083 R)
• M17: 21,455,027 km (0.106 R)
• M18: 22,908,072 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 11.5

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.55 AU - 5.33 AU

Year: 7718 Days

Day: 5.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,758,608 km

• M1: 143,016 km (0.078 R)
• M2: 574,755 km (0.093 R)
• M3: 2,025,705 km (0.053 R)
• M4: 3,023,672 km (0.097 R)
• M5: 3,621,166 km (0.11 R)
• M6: 4,268,476 km (0.083 R)
• M7: 7,657,017 km (0.056 R)
• M8: 10,134,358 km (0.118 R)
• M9: 11,102,256 km (0.078 R)
• M10: 13,280,850 km (0.072 R)
• M11: 14,628,278 km (0.043 R)
• M12: 15,466,325 km (0.046 R)
• M13: 18,026,843 km (0.065 R)
• M14: 19,676,608 km (0.095 R)
• M15: 21,343,278 km (0.053 R)
• M16: 25,137,229 km (0.103 R)
• M17: 28,657,567 km (0.043 R)
• M18: 29,561,138 km (0.071 R)
• M19: 31,849,686 km (0.038 R)
• M20: 33,146,699 km (0.08 R)
• M21: 34,254,172 km (0.096 R)
• M22: 36,659,706 km (0.108 R)
• M23: 38,083,878 km (0.108 R)
• M24: 44,017,977 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634

Radius: 4.8

Gravity: 27.52 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.53 AU - 8.27 AU

Year: 14150 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,758,608 km

• M1: 60,288 km (0.111 R)
• M2: 224,546 km (0.074 R)
• M3: 523,144 km (0.087 R)
• M4: 1,309,729 km (0.06 R)
• M5: 1,494,184 km (0.068 R)
• M6: 1,828,834 km (0.101 R)
• M7: 2,270,896 km (0.083 R)
• M8: 2,454,003 km (0.093 R)
• M9: 2,691,116 km (0.076 R)
• M10: 3,338,276 km (0.083 R)
• M11: 3,548,611 km (0.075 R)
• M12: 3,823,871 km (0.08 R)
• M13: 4,263,539 km (0.119 R)
• M14: 5,173,094 km (0.069 R)
• M15: 8,282,037 km (0.1 R)
• M16: 9,066,229 km (0.112 R)
• M17: 9,269,832 km (0.057 R)
• M18: 10,060,307 km (0.075 R)
• M19: 12,511,618 km (0.084 R)
• M20: 15,048,349 km (0.091 R)
• M21: 15,695,809 km (0.093 R)
• M22: 17,123,271 km (0.042 R)
• M23: 18,717,087 km (0.112 R)
• M24: 21,648,906 km (0.106 R)
• M25: 23,318,418 km (0.117 R)
• M26: 24,872,740 km (0.091 R)
• M27: 25,675,333 km (0.112 R)
• M28: 28,402,652 km (0.042 R)
• M29: 29,279,146 km (0.068 R)
• M30: 32,607,848 km (0.082 R)
• M31: 33,690,039 km (0.078 R)
• M32: 40,552,542 km (0.113 R)
• M33: 40,966,629 km (0.057 R)
• M34: 45,709,929 km (0.045 R)
• M35: 47,674,747 km (0.065 R)
• M36: 47,981,871 km (0.093 R)
• M37: 50,487,187 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.5

Radius: 3.4

Gravity: 62.07 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.53 AU - 8.25 AU

Year: 15578 Days

Day: 22.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,758,608 km

• M1: 42,635 km (0.106 R)
• M2: 149,747 km (0.058 R)
• M3: 262,993 km (0.052 R)
• M4: 369,208 km (0.097 R)
• M5: 512,223 km (0.078 R)
• M6: 656,435 km (0.102 R)
• M7: 837,748 km (0.045 R)
• M8: 1,231,490 km (0.099 R)
• M9: 1,508,395 km (0.101 R)
• M10: 1,669,961 km (0.086 R)
• M11: 1,825,094 km (0.068 R)
• M12: 2,027,799 km (0.048 R)
• M13: 2,204,624 km (0.119 R)
• M14: 2,500,080 km (0.086 R)
• M15: 2,917,906 km (0.116 R)
• M16: 3,686,540 km (0.063 R)
• M17: 4,990,286 km (0.113 R)
• M18: 5,276,466 km (0.119 R)
• M19: 6,039,416 km (0.074 R)
• M20: 7,137,464 km (0.075 R)
• M21: 15,698,501 km (0.104 R)
• M22: 17,099,785 km (0.069 R)
• M23: 18,752,093 km (0.115 R)
• M24: 19,094,822 km (0.083 R)
• M25: 20,871,596 km (0.103 R)
• M26: 21,239,606 km (0.099 R)
• M27: 21,425,407 km (0.065 R)
• M28: 22,852,571 km (0.081 R)
• M29: 24,647,296 km (0.076 R)
• M30: 25,265,884 km (0.08 R)
• M31: 25,683,860 km (0.108 R)
• M32: 33,388,898 km (0.078 R)
• M33: 37,829,711 km (0.071 R)
• M34: 40,903,499 km (0.045 R)
• M35: 47,383,779 km (0.117 R)
• M36: 55,212,834 km (0.106 R)
• M37: 57,161,945 km (0.04 R)
• M38: 59,893,153 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.1

Radius: 3.3

Gravity: 83.85 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.65 AU - 9.77 AU

Year: 19647 Days

Day: 17.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,758,608 km

• M1: 46,675 km (0.071 R)
• M2: 379,829 km (0.046 R)
• M3: 1,444,966 km (0.042 R)
• M4: 1,856,659 km (0.106 R)
• M5: 2,434,257 km (0.07 R)
• M6: 3,178,506 km (0.054 R)
• M7: 4,615,394 km (0.089 R)
• M8: 6,256,781 km (0.115 R)
• M9: 10,948,171 km (0.103 R)
• M10: 12,009,418 km (0.119 R)
• M11: 12,285,127 km (0.083 R)
• M12: 19,563,063 km (0.113 R)
• M13: 19,848,795 km (0.107 R)
• M14: 20,331,099 km (0.114 R)
• M15: 20,624,161 km (0.12 R)
• M16: 39,442,526 km (0.102 R)
• M17: 41,914,032 km (0.104 R)
• M18: 43,510,092 km (0.073 R)
• M19: 48,193,552 km (0.091 R)
• M20: 48,888,883 km (0.061 R)
• M21: 51,014,968 km (0.111 R)
• M22: 52,466,068 km (0.104 R)
• M23: 54,131,242 km (0.105 R)
• M24: 55,831,272 km (0.108 R)
• M25: 56,213,793 km (0.098 R)
• M26: 60,336,860 km (0.072 R)
• M27: 63,194,629 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.6

Radius: 5.1

Gravity: 25.28 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.05 AU - 10.75 AU

Year: 23575 Days

Day: 19.4 Hours

Environment

Temp: -246 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,758,608 km

• M1: 67,618 km (0.107 R)
• M2: 323,879 km (0.086 R)
• M3: 511,924 km (0.049 R)
• M4: 713,133 km (0.043 R)
• M5: 1,016,817 km (0.1 R)
• M6: 1,206,058 km (0.088 R)
• M7: 1,451,249 km (0.103 R)
• M8: 1,692,550 km (0.119 R)
• M9: 2,147,178 km (0.049 R)
• M10: 4,406,854 km (0.064 R)
• M11: 5,260,759 km (0.064 R)
• M12: 9,435,586 km (0.106 R)
• M13: 11,831,696 km (0.113 R)
• M14: 12,523,735 km (0.088 R)
• M15: 12,807,971 km (0.073 R)
• M16: 16,224,936 km (0.094 R)
• M17: 19,342,257 km (0.05 R)
• M18: 19,914,020 km (0.109 R)
• M19: 20,301,329 km (0.101 R)
• M20: 30,784,699 km (0.04 R)
• M21: 41,642,662 km (0.113 R)
• M22: 48,092,424 km (0.073 R)
• M23: 54,044,475 km (0.103 R)
• M24: 57,294,040 km (0.054 R)
• M25: 61,280,823 km (0.046 R)
• M26: 62,718,758 km (0.109 R)
• M27: 65,875,422 km (0.064 R)
• M28: 73,880,404 km (0.106 R)
• M29: 74,111,533 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 17,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit