🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.6

Radius: 9.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.46 AU - 0.62 AU

Year: 269 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,743,179 km

• M1: 118,332 km (0.097 R)
• M2: 438,920 km (0.115 R)
• M3: 760,256 km (0.049 R)
• M4: 1,152,203 km (0.089 R)
• M5: 1,597,256 km (0.054 R)
• M6: 2,021,965 km (0.078 R)
• M7: 2,372,921 km (0.065 R)
• M8: 2,773,545 km (0.057 R)
• M9: 3,100,715 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.4

Radius: 13.8

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.47 AU - 2.19 AU

Year: 1679 Days

Day: 9.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,743,179 km

• M1: 186,399 km (0.112 R)
• M2: 849,417 km (0.073 R)
• M3: 1,999,974 km (0.088 R)
• M4: 2,688,124 km (0.108 R)
• M5: 3,158,909 km (0.098 R)
• M6: 4,176,473 km (0.051 R)
• M7: 5,079,147 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.4

Radius: 10.3

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.4 AU - 2.5 AU

Year: 2601 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,743,179 km

• M1: 128,205 km (0.058 R)
• M2: 765,343 km (0.078 R)
• M3: 1,172,249 km (0.091 R)
• M4: 1,613,413 km (0.107 R)
• M5: 2,059,813 km (0.073 R)
• M6: 2,498,883 km (0.103 R)
• M7: 3,346,056 km (0.041 R)
• M8: 3,699,855 km (0.113 R)
• M9: 4,203,700 km (0.049 R)
• M10: 5,834,915 km (0.083 R)
• M11: 6,211,752 km (0.112 R)
• M12: 6,576,023 km (0.084 R)
• M13: 7,534,347 km (0.106 R)
• M14: 8,079,931 km (0.03 R)
• M15: 9,322,491 km (0.076 R)
• M16: 9,689,155 km (0.101 R)
• M17: 10,103,691 km (0.066 R)
• M18: 10,608,883 km (0.112 R)
• M19: 11,090,139 km (0.111 R)
• M20: 12,182,802 km (0.112 R)
• M21: 16,415,374 km (0.114 R)
• M22: 17,114,146 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.1

Radius: 8.3

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.71 AU - 3.75 AU

Year: 4886 Days

Day: 6.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,743,179 km

• M1: 103,223 km (0.063 R)
• M2: 485,894 km (0.103 R)
• M3: 888,163 km (0.042 R)
• M4: 3,829,107 km (0.097 R)
• M5: 4,510,525 km (0.108 R)
• M6: 5,270,333 km (0.065 R)
• M7: 6,201,729 km (0.054 R)
• M8: 6,628,532 km (0.118 R)
• M9: 7,009,707 km (0.09 R)
• M10: 7,405,543 km (0.117 R)
• M11: 7,677,662 km (0.074 R)
• M12: 8,205,892 km (0.089 R)
• M13: 11,218,045 km (0.041 R)
• M14: 12,131,191 km (0.085 R)
• M15: 12,799,295 km (0.108 R)
• M16: 16,226,133 km (0.088 R)
• M17: 21,432,139 km (0.102 R)
• M18: 21,846,675 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 15

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.28 AU - 5.14 AU

Year: 6933 Days

Day: 6.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,743,179 km

• M1: 186,698 km (0.103 R)
• M2: 732,730 km (0.082 R)
• M3: 1,806,544 km (0.118 R)
• M4: 3,415,768 km (0.107 R)
• M5: 4,092,399 km (0.067 R)
• M6: 4,885,567 km (0.102 R)
• M7: 6,299,267 km (0.082 R)
• M8: 6,779,776 km (0.112 R)
• M9: 9,168,106 km (0.105 R)
• M10: 10,293,381 km (0.052 R)
• M11: 19,635,469 km (0.116 R)
• M12: 20,442,699 km (0.106 R)
• M13: 27,355,018 km (0.074 R)
• M14: 30,548,184 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.3

Radius: 4.6

Gravity: 47.18 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.38 AU - 6.06 AU

Year: 9279 Days

Day: 18.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,743,179 km

• M1: 62,981 km (0.096 R)
• M2: 227,987 km (0.068 R)
• M3: 394,938 km (0.117 R)
• M4: 771,027 km (0.069 R)
• M5: 1,316,760 km (0.119 R)
• M6: 1,522,458 km (0.088 R)
• M7: 3,616,379 km (0.085 R)
• M8: 4,077,739 km (0.117 R)
• M9: 6,707,969 km (0.095 R)
• M10: 7,152,125 km (0.111 R)
• M11: 8,649,150 km (0.08 R)
• M12: 10,990,208 km (0.102 R)
• M13: 11,778,888 km (0.11 R)
• M14: 13,786,042 km (0.032 R)
• M15: 14,569,037 km (0.113 R)
• M16: 17,393,445 km (0.076 R)
• M17: 20,730,076 km (0.116 R)
• M18: 22,996,185 km (0.071 R)
• M19: 26,696,488 km (0.05 R)
• M20: 29,799,148 km (0.071 R)
• M21: 31,548,246 km (0.1 R)
• M22: 35,852,775 km (0.073 R)
• M23: 39,877,856 km (0.08 R)
• M24: 51,389,561 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.4

Radius: 6.7

Gravity: 15.49 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.66 AU - 9.5 AU

Year: 17046 Days

Day: 18.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,743,179 km

• M1: 83,326 km (0.103 R)
• M2: 310,416 km (0.103 R)
• M3: 525,089 km (0.119 R)
• M4: 746,793 km (0.077 R)
• M5: 997,369 km (0.114 R)
• M6: 1,221,766 km (0.088 R)
• M7: 1,757,925 km (0.032 R)
• M8: 2,249,802 km (0.096 R)
• M9: 3,850,799 km (0.089 R)
• M10: 6,052,431 km (0.072 R)
• M11: 7,349,145 km (0.114 R)
• M12: 8,013,659 km (0.085 R)
• M13: 8,310,311 km (0.103 R)
• M14: 10,479,780 km (0.106 R)
• M15: 10,954,902 km (0.091 R)
• M16: 15,976,454 km (0.062 R)
• M17: 19,643,846 km (0.108 R)
• M18: 20,183,894 km (0.111 R)
• M19: 25,710,488 km (0.117 R)
• M20: 27,013,336 km (0.108 R)
• M21: 33,423,755 km (0.055 R)
• M22: 39,484,264 km (0.096 R)
• M23: 41,509,370 km (0.034 R)
• M24: 43,450,851 km (0.117 R)
• M25: 43,907,424 km (0.116 R)
• M26: 45,452,171 km (0.033 R)
• M27: 47,192,892 km (0.087 R)
• M28: 48,813,486 km (0.105 R)
• M29: 49,803,375 km (0.071 R)
• M30: 51,483,060 km (0.059 R)
• M31: 53,722,391 km (0.104 R)
• M32: 54,424,453 km (0.117 R)
• M33: 56,929,320 km (0.11 R)
• M34: 60,829,187 km (0.108 R)
• M35: 65,699,645 km (0.051 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 16,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit