🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.38 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 13.5

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.16 AU - 3.34 AU

Year: 2992 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,486,542 km

• M1: 168,597 km (0.08 R)
• M2: 622,626 km (0.051 R)
• M3: 1,066,483 km (0.087 R)
• M4: 1,594,863 km (0.109 R)
• M5: 2,598,066 km (0.103 R)
• M6: 3,950,132 km (0.054 R)
• M7: 4,835,003 km (0.107 R)
• M8: 6,546,852 km (0.027 R)
• M9: 7,728,076 km (0.103 R)
• M10: 9,407,163 km (0.112 R)
• M11: 13,817,607 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.4

Radius: 9.1

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.65 AU - 3.49 AU

Year: 3529 Days

Day: 6.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,486,542 km

• M1: 113,246 km (0.068 R)
• M2: 545,583 km (0.073 R)
• M3: 895,194 km (0.102 R)
• M4: 1,607,878 km (0.027 R)
• M5: 2,261,920 km (0.095 R)
• M6: 2,865,547 km (0.114 R)
• M7: 4,113,792 km (0.113 R)
• M8: 4,683,461 km (0.11 R)
• M9: 4,987,443 km (0.088 R)
• M10: 7,953,670 km (0.089 R)
• M11: 9,146,414 km (0.106 R)
• M12: 9,991,492 km (0.058 R)
• M13: 10,756,536 km (0.097 R)
• M14: 13,539,056 km (0.1 R)
• M15: 15,677,707 km (0.099 R)
• M16: 16,827,367 km (0.061 R)
• M17: 18,217,879 km (0.073 R)
• M18: 22,274,525 km (0.103 R)
• M19: 25,316,148 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 11.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.67 AU - 3.79 AU

Year: 4726 Days

Day: 8.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,486,542 km

• M1: 139,874 km (0.082 R)
• M2: 580,739 km (0.072 R)
• M3: 940,223 km (0.062 R)
• M4: 1,663,229 km (0.077 R)
• M5: 2,127,731 km (0.095 R)
• M6: 3,031,451 km (0.105 R)
• M7: 3,650,637 km (0.068 R)
• M8: 4,174,379 km (0.044 R)
• M9: 4,795,958 km (0.085 R)
• M10: 5,269,585 km (0.079 R)
• M11: 6,166,723 km (0.11 R)
• M12: 6,576,771 km (0.038 R)
• M13: 10,879,804 km (0.102 R)
• M14: 12,888,904 km (0.076 R)
• M15: 13,318,549 km (0.104 R)
• M16: 14,768,751 km (0.118 R)
• M17: 17,570,120 km (0.118 R)
• M18: 18,158,339 km (0.093 R)
• M19: 18,638,249 km (0.093 R)
• M20: 19,623,650 km (0.043 R)
• M21: 21,431,092 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.7

Radius: 8

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.21 AU - 5.65 AU

Year: 7181 Days

Day: 7.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,486,542 km

• M1: 99,782 km (0.076 R)
• M2: 459,864 km (0.086 R)
• M3: 821,592 km (0.11 R)
• M4: 1,145,920 km (0.094 R)
• M5: 1,661,434 km (0.084 R)
• M6: 2,171,862 km (0.027 R)
• M7: 2,500,379 km (0.12 R)
• M8: 2,782,820 km (0.098 R)
• M9: 3,107,746 km (0.102 R)
• M10: 4,838,294 km (0.11 R)
• M11: 6,379,302 km (0.095 R)
• M12: 6,765,863 km (0.058 R)
• M13: 8,100,575 km (0.117 R)
• M14: 8,512,268 km (0.115 R)
• M15: 8,765,837 km (0.113 R)
• M16: 9,739,420 km (0.091 R)
• M17: 10,017,073 km (0.076 R)
• M18: 13,260,206 km (0.058 R)
• M19: 14,660,891 km (0.104 R)
• M20: 15,584,807 km (0.073 R)
• M21: 16,876,435 km (0.047 R)
• M22: 17,412,594 km (0.099 R)
• M23: 18,802,508 km (0.103 R)
• M24: 24,165,741 km (0.06 R)
• M25: 26,966,961 km (0.096 R)
• M26: 27,699,691 km (0.06 R)
• M27: 28,918,465 km (0.1 R)
• M28: 30,270,680 km (0.056 R)
• M29: 34,794,520 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.7

Radius: 6.4

Gravity: 16.67 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.54 AU - 7.9 AU

Year: 11428 Days

Day: 16.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,486,542 km

• M1: 83,176 km (0.09 R)
• M2: 322,982 km (0.116 R)
• M3: 543,040 km (0.102 R)
• M4: 896,091 km (0.109 R)
• M5: 1,251,386 km (0.052 R)
• M6: 1,636,302 km (0.095 R)
• M7: 2,517,583 km (0.114 R)
• M8: 3,155,468 km (0.073 R)
• M9: 3,423,846 km (0.086 R)
• M10: 4,873,151 km (0.116 R)
• M11: 5,099,791 km (0.094 R)
• M12: 6,611,478 km (0.096 R)
• M13: 7,903,256 km (0.073 R)
• M14: 10,013,782 km (0.085 R)
• M15: 10,648,825 km (0.079 R)
• M16: 10,976,145 km (0.052 R)
• M17: 11,254,248 km (0.093 R)
• M18: 13,842,291 km (0.052 R)
• M19: 14,763,814 km (0.109 R)
• M20: 15,585,854 km (0.092 R)
• M21: 17,096,942 km (0.094 R)
• M22: 20,575,242 km (0.106 R)
• M23: 23,199,787 km (0.069 R)
• M24: 27,952,961 km (0.103 R)
• M25: 38,173,487 km (0.053 R)
• M26: 38,940,475 km (0.12 R)
• M27: 46,746,193 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.7

Radius: 4.4

Gravity: 41.41 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.78 AU - 7.7 AU

Year: 12780 Days

Day: 24.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 59,486,542 km

• M1: 54,753 km (0.096 R)
• M2: 232,176 km (0.078 R)
• M3: 384,317 km (0.073 R)
• M4: 787,334 km (0.1 R)
• M5: 1,224,459 km (0.059 R)
• M6: 1,774,380 km (0.051 R)
• M7: 1,983,967 km (0.09 R)
• M8: 2,229,607 km (0.043 R)
• M9: 2,874,074 km (0.108 R)
• M10: 3,089,645 km (0.05 R)
• M11: 4,091,203 km (0.069 R)
• M12: 5,362,784 km (0.099 R)
• M13: 6,668,624 km (0.064 R)
• M14: 6,961,537 km (0.099 R)
• M15: 7,938,411 km (0.105 R)
• M16: 8,654,686 km (0.12 R)
• M17: 9,569,925 km (0.088 R)
• M18: 10,105,336 km (0.116 R)
• M19: 10,491,897 km (0.117 R)
• M20: 11,831,396 km (0.035 R)
• M21: 12,014,205 km (0.089 R)
• M22: 16,300,932 km (0.039 R)
• M23: 19,240,979 km (0.094 R)
• M24: 19,834,434 km (0.067 R)
• M25: 20,527,371 km (0.073 R)
• M26: 26,143,873 km (0.077 R)
• M27: 28,914,127 km (0.04 R)
• M28: 31,057,864 km (0.063 R)
• M29: 34,283,344 km (0.119 R)
• M30: 35,406,226 km (0.108 R)
• M31: 37,462,448 km (0.066 R)
• M32: 38,253,672 km (0.1 R)
• M33: 41,811,258 km (0.062 R)
• M34: 43,525,052 km (0.115 R)
• M35: 44,252,845 km (0.096 R)
• M36: 45,136,819 km (0.09 R)
• M37: 46,333,602 km (0.095 R)
• M38: 47,859,052 km (0.114 R)
• M39: 56,506,706 km (0.107 R)
• M40: 57,546,860 km (0.089 R)
• M41: 58,071,500 km (0.086 R)
• M42: 58,599,580 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 15,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit