🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.4

Radius: 13

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.61 AU - 0.91 AU

Year: 449 Days

Day: 6.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,588,161 km

• M1: 161,715 km (0.048 R)
• M2: 788,381 km (0.036 R)
• M3: 1,366,577 km (0.049 R)
• M4: 2,840,116 km (0.058 R)
• M5: 3,545,918 km (0.064 R)
• M6: 3,968,532 km (0.084 R)
• M7: 4,529,375 km (0.053 R)
• M8: 5,159,182 km (0.115 R)
• M9: 6,046,297 km (0.091 R)
• M10: 6,712,307 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.8

Radius: 13.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.79 AU - 2.19 AU

Year: 1904 Days

Day: 14 Hours

Environment

Temp: -204 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,588,161 km

• M1: 170,392 km (0.069 R)
• M2: 747,690 km (0.117 R)
• M3: 1,393,953 km (0.06 R)
• M4: 2,009,099 km (0.05 R)
• M5: 2,734,200 km (0.075 R)
• M6: 4,440,065 km (0.09 R)
• M7: 4,889,457 km (0.117 R)
• M8: 6,019,519 km (0.113 R)
• M9: 6,646,633 km (0.077 R)
• M10: 8,117,480 km (0.088 R)
• M11: 9,129,509 km (0.113 R)
• M12: 9,666,266 km (0.114 R)
• M13: 10,630,724 km (0.1 R)
• M14: 11,512,753 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.3

Radius: 12.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.89 AU - 2.31 AU

Year: 2064 Days

Day: 14.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,588,161 km

• M1: 165,006 km (0.063 R)
• M2: 591,360 km (0.116 R)
• M3: 1,072,766 km (0.11 R)
• M4: 3,321,522 km (0.044 R)
• M5: 4,019,994 km (0.055 R)
• M6: 4,753,024 km (0.085 R)
• M7: 6,360,453 km (0.066 R)
• M8: 6,768,107 km (0.095 R)
• M9: 8,730,981 km (0.081 R)
• M10: 9,462,514 km (0.117 R)
• M11: 12,058,037 km (0.118 R)
• M12: 12,486,635 km (0.044 R)
• M13: 13,834,063 km (0.068 R)
• M14: 14,829,039 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.3

Radius: 12.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.19 AU - 2.49 AU

Year: 2428 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,588,161 km

• M1: 157,078 km (0.065 R)
• M2: 669,002 km (0.054 R)
• M3: 1,187,508 km (0.082 R)
• M4: 1,639,892 km (0.046 R)
• M5: 2,119,652 km (0.066 R)
• M6: 2,737,641 km (0.047 R)
• M7: 3,368,346 km (0.103 R)
• M8: 4,358,235 km (0.085 R)
• M9: 5,484,408 km (0.117 R)
• M10: 6,823,757 km (0.081 R)
• M11: 9,348,820 km (0.108 R)
• M12: 11,212,061 km (0.048 R)
• M13: 13,715,282 km (0.085 R)
• M14: 14,690,062 km (0.098 R)
• M15: 16,673,879 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.1

Radius: 9.9

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.72 AU - 3.12 AU

Year: 3384 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,588,161 km

• M1: 123,418 km (0.045 R)
• M2: 444,455 km (0.112 R)
• M3: 981,063 km (0.058 R)
• M4: 1,525,300 km (0.109 R)
• M5: 2,645,190 km (0.041 R)
• M6: 3,054,489 km (0.07 R)
• M7: 3,369,542 km (0.064 R)
• M8: 4,243,194 km (0.107 R)
• M9: 5,445,362 km (0.117 R)
• M10: 6,139,945 km (0.103 R)
• M11: 8,400,519 km (0.111 R)
• M12: 9,677,785 km (0.068 R)
• M13: 10,362,794 km (0.067 R)
• M14: 12,011,063 km (0.07 R)
• M15: 13,186,454 km (0.107 R)
• M16: 13,528,883 km (0.1 R)
• M17: 14,180,681 km (0.064 R)
• M18: 18,055,865 km (0.078 R)
• M19: 18,539,515 km (0.081 R)
• M20: 19,913,870 km (0.09 R)
• M21: 20,495,357 km (0.098 R)
• M22: 21,355,096 km (0.073 R)
• M23: 22,376,700 km (0.097 R)
• M24: 22,864,539 km (0.078 R)
• M25: 23,502,125 km (0.116 R)
• M26: 24,006,120 km (0.094 R)
• M27: 24,591,048 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302

Radius: 8.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.46 AU - 3.66 AU

Year: 4556 Days

Day: 13 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,588,161 km

• M1: 108,159 km (0.088 R)
• M2: 1,232,537 km (0.119 R)
• M3: 2,027,650 km (0.052 R)
• M4: 2,975,950 km (0.081 R)
• M5: 4,088,360 km (0.114 R)
• M6: 4,432,884 km (0.113 R)
• M7: 8,434,478 km (0.107 R)
• M8: 9,881,687 km (0.113 R)
• M9: 13,730,392 km (0.103 R)
• M10: 16,303,625 km (0.118 R)
• M11: 17,562,940 km (0.103 R)
• M12: 18,072,919 km (0.08 R)
• M13: 20,898,374 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.5

Radius: 11.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.99 AU - 4.79 AU

Year: 6239 Days

Day: 10.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,588,161 km

• M1: 157,377 km (0.091 R)
• M2: 557,102 km (0.025 R)
• M3: 1,351,018 km (0.083 R)
• M4: 1,836,613 km (0.086 R)
• M5: 3,019,184 km (0.068 R)
• M6: 3,372,684 km (0.11 R)
• M7: 4,254,414 km (0.072 R)
• M8: 4,700,963 km (0.077 R)
• M9: 5,075,407 km (0.076 R)
• M10: 6,173,007 km (0.111 R)
• M11: 9,289,429 km (0.053 R)
• M12: 11,630,187 km (0.109 R)
• M13: 13,625,972 km (0.047 R)
• M14: 16,917,275 km (0.069 R)
• M15: 17,801,249 km (0.031 R)
• M16: 21,172,587 km (0.088 R)
• M17: 23,691,366 km (0.05 R)
• M18: 24,947,539 km (0.06 R)
• M19: 25,707,048 km (0.038 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.7

Radius: 9.9

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.42 AU - 5.66 AU

Year: 7674 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,588,161 km

• M1: 126,261 km (0.089 R)
• M2: 483,201 km (0.112 R)
• M3: 1,358,498 km (0.081 R)
• M4: 2,811,542 km (0.096 R)
• M5: 5,003,450 km (0.075 R)
• M6: 19,330,738 km (0.088 R)
• M7: 20,295,195 km (0.119 R)
• M8: 22,881,892 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.6

Radius: 7.6

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.6 AU - 6.86 AU

Year: 10547 Days

Day: 22.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,588,161 km

• M1: 94,546 km (0.087 R)
• M2: 432,637 km (0.049 R)
• M3: 694,882 km (0.101 R)
• M4: 1,077,254 km (0.109 R)
• M5: 1,383,780 km (0.085 R)
• M6: 2,031,539 km (0.068 R)
• M7: 2,670,472 km (0.112 R)
• M8: 3,967,485 km (0.095 R)
• M9: 4,865,072 km (0.057 R)
• M10: 5,159,032 km (0.1 R)
• M11: 5,818,908 km (0.04 R)
• M12: 6,340,107 km (0.105 R)
• M13: 9,986,107 km (0.088 R)
• M14: 11,689,428 km (0.078 R)
• M15: 12,040,235 km (0.114 R)
• M16: 13,900,335 km (0.109 R)
• M17: 14,294,077 km (0.043 R)
• M18: 18,102,689 km (0.066 R)
• M19: 21,044,232 km (0.105 R)
• M20: 22,899,395 km (0.116 R)
• M21: 23,356,716 km (0.025 R)
• M22: 23,820,170 km (0.118 R)
• M23: 25,344,273 km (0.107 R)
• M24: 26,730,148 km (0.092 R)
• M25: 27,544,409 km (0.028 R)
• M26: 28,796,693 km (0.079 R)
• M27: 36,992,262 km (0.034 R)
• M28: 38,515,468 km (0.086 R)
• M29: 40,212,207 km (0.11 R)
• M30: 43,753,936 km (0.091 R)
• M31: 45,889,147 km (0.064 R)
• M32: 46,908,956 km (0.061 R)
• M33: 51,451,046 km (0.055 R)
• M34: 52,551,488 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.3

Radius: 7.7

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.98 AU - 7.42 AU

Year: 13104 Days

Day: 15.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,588,161 km

• M1: 1,363,585 km (0.117 R)
• M2: 1,662,481 km (0.109 R)
• M3: 3,442,845 km (0.098 R)
• M4: 4,332,354 km (0.11 R)
• M5: 5,565,490 km (0.061 R)
• M6: 6,446,172 km (0.08 R)
• M7: 9,839,800 km (0.114 R)
• M8: 13,340,989 km (0.103 R)
• M9: 14,330,878 km (0.067 R)
• M10: 16,042,726 km (0.092 R)
• M11: 17,161,269 km (0.083 R)
• M12: 17,813,067 km (0.074 R)
• M13: 20,025,171 km (0.111 R)
• M14: 20,666,347 km (0.117 R)
• M15: 22,414,399 km (0.063 R)
• M16: 27,651,970 km (0.097 R)
• M17: 30,290,876 km (0.071 R)
• M18: 43,720,277 km (0.094 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: 492 - 12,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit